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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> *<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.util;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import edu.umd.cs.findbugs.annotations.CheckForNull;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.ByteArrayInputStream;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.DataInputStream;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.io.EOFException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.FileNotFoundException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.InputStream;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.io.InterruptedIOException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.lang.reflect.InvocationTargetException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.lang.reflect.Method;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.net.InetSocketAddress;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.ArrayList;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.Arrays;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.Collections;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.HashMap;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import java.util.Iterator;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import java.util.LinkedList;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import java.util.List;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import java.util.Locale;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import java.util.Map;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import java.util.Vector;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import java.util.concurrent.ArrayBlockingQueue;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import java.util.concurrent.ExecutionException;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import java.util.concurrent.ExecutorService;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import java.util.concurrent.Executors;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import java.util.concurrent.Future;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import java.util.concurrent.FutureTask;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import java.util.concurrent.TimeUnit;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import java.util.regex.Pattern;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.conf.Configuration;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.fs.BlockLocation;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.fs.FileStatus;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.fs.FileSystem;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hadoop.fs.FileUtil;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hadoop.fs.Path;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hadoop.fs.PathFilter;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.fs.permission.FsAction;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hadoop.fs.permission.FsPermission;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.ClusterId;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.HConstants;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.HDFSBlocksDistribution;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.TableName;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.fs.HFileSystem;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.io.HFileLink;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.regionserver.StoreFileInfo;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.security.AccessDeniedException;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span>import org.apache.hadoop.hdfs.DFSClient;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span>import org.apache.hadoop.hdfs.DFSHedgedReadMetrics;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span>import org.apache.hadoop.hdfs.protocol.HdfsConstants;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span>import org.apache.hadoop.io.IOUtils;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span>import org.apache.hadoop.security.UserGroupInformation;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span>import org.apache.hadoop.util.Progressable;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span>import org.apache.hadoop.util.ReflectionUtils;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span>import org.apache.hadoop.util.StringUtils;<a name="line.87"></a> |
| <span class="sourceLineNo">088</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span>import org.slf4j.Logger;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span>import org.slf4j.LoggerFactory;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.92"></a> |
| <span class="sourceLineNo">093</span>import org.apache.hbase.thirdparty.com.google.common.base.Throwables;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterators;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span>import org.apache.hbase.thirdparty.com.google.common.primitives.Ints;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FSProtos;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span>/**<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * Utility methods for interacting with the underlying file system.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> */<a name="line.102"></a> |
| <span class="sourceLineNo">103</span>@InterfaceAudience.Private<a name="line.103"></a> |
| <span class="sourceLineNo">104</span>public abstract class FSUtils extends CommonFSUtils {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private static final Logger LOG = LoggerFactory.getLogger(FSUtils.class);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> private static final String THREAD_POOLSIZE = "hbase.client.localityCheck.threadPoolSize";<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> private static final int DEFAULT_THREAD_POOLSIZE = 2;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> /** Set to true on Windows platforms */<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> @VisibleForTesting // currently only used in testing. TODO refactor into a test class<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> public static final boolean WINDOWS = System.getProperty("os.name").startsWith("Windows");<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> protected FSUtils() {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> super();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> /**<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * @return True is <code>fs</code> is instance of DistributedFileSystem<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * @throws IOException<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> */<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public static boolean isDistributedFileSystem(final FileSystem fs) throws IOException {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> FileSystem fileSystem = fs;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // If passed an instance of HFileSystem, it fails instanceof DistributedFileSystem.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // Check its backing fs for dfs-ness.<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (fs instanceof HFileSystem) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> fileSystem = ((HFileSystem)fs).getBackingFs();<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return fileSystem instanceof DistributedFileSystem;<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> /**<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * Compare path component of the Path URI; e.g. if hdfs://a/b/c and /a/b/c, it will compare the<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * '/a/b/c' part. If you passed in 'hdfs://a/b/c and b/c, it would return true. Does not consider<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * schema; i.e. if schemas different but path or subpath matches, the two will equate.<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @param pathToSearch Path we will be trying to match.<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * @param pathTail<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * @return True if <code>pathTail</code> is tail on the path of <code>pathToSearch</code><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> */<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> public static boolean isMatchingTail(final Path pathToSearch, final Path pathTail) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> if (pathToSearch.depth() != pathTail.depth()) return false;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> Path tailPath = pathTail;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> String tailName;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> Path toSearch = pathToSearch;<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> String toSearchName;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> boolean result = false;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> do {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> tailName = tailPath.getName();<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (tailName == null || tailName.length() <= 0) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> result = true;<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> break;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> toSearchName = toSearch.getName();<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (toSearchName == null || toSearchName.length() <= 0) break;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> // Move up a parent on each path for next go around. Path doesn't let us go off the end.<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> tailPath = tailPath.getParent();<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> toSearch = toSearch.getParent();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> } while(tailName.equals(toSearchName));<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> return result;<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> public static FSUtils getInstance(FileSystem fs, Configuration conf) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> String scheme = fs.getUri().getScheme();<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> if (scheme == null) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> LOG.warn("Could not find scheme for uri " +<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> fs.getUri() + ", default to hdfs");<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> scheme = "hdfs";<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> Class<?> fsUtilsClass = conf.getClass("hbase.fsutil." +<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> scheme + ".impl", FSHDFSUtils.class); // Default to HDFS impl<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> FSUtils fsUtils = (FSUtils)ReflectionUtils.newInstance(fsUtilsClass, conf);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> return fsUtils;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> /**<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * Delete the region directory if exists.<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * @param conf<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * @param hri<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * @return True if deleted the region directory.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * @throws IOException<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> */<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> public static boolean deleteRegionDir(final Configuration conf, final HRegionInfo hri)<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> throws IOException {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> Path rootDir = getRootDir(conf);<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> FileSystem fs = rootDir.getFileSystem(conf);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> return deleteDirectory(fs,<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> new Path(getTableDir(rootDir, hri.getTable()), hri.getEncodedName()));<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> /**<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> * Create the specified file on the filesystem. By default, this will:<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * <ol><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> * <li>overwrite the file if it exists</li><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> * <li>apply the umask in the configuration (if it is enabled)</li><a name="line.194"></a> |
| <span class="sourceLineNo">195</span> * <li>use the fs configured buffer size (or 4096 if not set)</li><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> * <li>use the configured column family replication or default replication if<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * {@link HColumnDescriptor#DEFAULT_DFS_REPLICATION}</li><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * <li>use the default block size</li><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * <li>not track progress</li><a name="line.199"></a> |
| <span class="sourceLineNo">200</span> * </ol><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> * @param conf configurations<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> * @param fs {@link FileSystem} on which to write the file<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> * @param path {@link Path} to the file to write<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> * @param perm permissions<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> * @param favoredNodes<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> * @return output stream to the created file<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> * @throws IOException if the file cannot be created<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> */<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> public static FSDataOutputStream create(Configuration conf, FileSystem fs, Path path,<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> FsPermission perm, InetSocketAddress[] favoredNodes) throws IOException {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> if (fs instanceof HFileSystem) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> FileSystem backingFs = ((HFileSystem)fs).getBackingFs();<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> if (backingFs instanceof DistributedFileSystem) {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> // Try to use the favoredNodes version via reflection to allow backwards-<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> // compatibility.<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> short replication = Short.parseShort(conf.get(HColumnDescriptor.DFS_REPLICATION,<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> String.valueOf(HColumnDescriptor.DEFAULT_DFS_REPLICATION)));<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> try {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> return (FSDataOutputStream) (DistributedFileSystem.class.getDeclaredMethod("create",<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> Path.class, FsPermission.class, boolean.class, int.class, short.class, long.class,<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> Progressable.class, InetSocketAddress[].class).invoke(backingFs, path, perm, true,<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> getDefaultBufferSize(backingFs),<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> replication > 0 ? replication : getDefaultReplication(backingFs, path),<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> getDefaultBlockSize(backingFs, path), null, favoredNodes));<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> } catch (InvocationTargetException ite) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // Function was properly called, but threw it's own exception.<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> throw new IOException(ite.getCause());<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> } catch (NoSuchMethodException e) {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> LOG.debug("DFS Client does not support most favored nodes create; using default create");<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> if (LOG.isTraceEnabled()) LOG.trace("Ignoring; use default create", e);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> } catch (IllegalArgumentException e) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> LOG.debug("Ignoring (most likely Reflection related exception) " + e);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> } catch (SecurityException e) {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> LOG.debug("Ignoring (most likely Reflection related exception) " + e);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> } catch (IllegalAccessException e) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> LOG.debug("Ignoring (most likely Reflection related exception) " + e);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> }<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> return create(fs, path, perm, true);<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> /**<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> * Checks to see if the specified file system is available<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> *<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * @param fs filesystem<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @throws IOException e<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> */<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> public static void checkFileSystemAvailable(final FileSystem fs)<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> throws IOException {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> if (!(fs instanceof DistributedFileSystem)) {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> return;<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> }<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> IOException exception = null;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> DistributedFileSystem dfs = (DistributedFileSystem) fs;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> try {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> if (dfs.exists(new Path("/"))) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> return;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> } catch (IOException e) {<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> exception = e instanceof RemoteException ?<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> ((RemoteException)e).unwrapRemoteException() : e;<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> }<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> try {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> fs.close();<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> } catch (Exception e) {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> LOG.error("file system close failed: ", e);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> IOException io = new IOException("File system is not available");<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> io.initCause(exception);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> throw io;<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> /**<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> * We use reflection because {@link DistributedFileSystem#setSafeMode(<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> * HdfsConstants.SafeModeAction action, boolean isChecked)} is not in hadoop 1.1<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> *<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> * @param dfs<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * @return whether we're in safe mode<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * @throws IOException<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> */<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> private static boolean isInSafeMode(DistributedFileSystem dfs) throws IOException {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> boolean inSafeMode = false;<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> try {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> Method m = DistributedFileSystem.class.getMethod("setSafeMode", new Class<?> []{<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction.class, boolean.class});<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> inSafeMode = (Boolean) m.invoke(dfs,<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction.SAFEMODE_GET, true);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> } catch (Exception e) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> if (e instanceof IOException) throw (IOException) e;<a name="line.290"></a> |
| <span class="sourceLineNo">291</span><a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // Check whether dfs is on safemode.<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> inSafeMode = dfs.setSafeMode(<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction.SAFEMODE_GET);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> return inSafeMode;<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> /**<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> * Check whether dfs is in safemode.<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> * @param conf<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> * @throws IOException<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> */<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> public static void checkDfsSafeMode(final Configuration conf)<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> throws IOException {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> boolean isInSafeMode = false;<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> FileSystem fs = FileSystem.get(conf);<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> if (fs instanceof DistributedFileSystem) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> DistributedFileSystem dfs = (DistributedFileSystem)fs;<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> isInSafeMode = isInSafeMode(dfs);<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> if (isInSafeMode) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> throw new IOException("File system is in safemode, it can't be written now");<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> }<a name="line.315"></a> |
| <span class="sourceLineNo">316</span><a name="line.316"></a> |
| <span class="sourceLineNo">317</span> /**<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> * Verifies current version of file system<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> *<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> * @param fs filesystem object<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> * @param rootdir root hbase directory<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> * @return null if no version file exists, version string otherwise.<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> * @throws IOException e<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> * @throws org.apache.hadoop.hbase.exceptions.DeserializationException<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> */<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> public static String getVersion(FileSystem fs, Path rootdir)<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> throws IOException, DeserializationException {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> Path versionFile = new Path(rootdir, HConstants.VERSION_FILE_NAME);<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> FileStatus[] status = null;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> try {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> // hadoop 2.0 throws FNFE if directory does not exist.<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> // hadoop 1.0 returns null if directory does not exist.<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> status = fs.listStatus(versionFile);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> } catch (FileNotFoundException fnfe) {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> return null;<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> if (status == null || status.length == 0) return null;<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> String version = null;<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> byte [] content = new byte [(int)status[0].getLen()];<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> FSDataInputStream s = fs.open(versionFile);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> try {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> IOUtils.readFully(s, content, 0, content.length);<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> if (ProtobufUtil.isPBMagicPrefix(content)) {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> version = parseVersionFrom(content);<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> } else {<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> // Presume it pre-pb format.<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> InputStream is = new ByteArrayInputStream(content);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> DataInputStream dis = new DataInputStream(is);<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> try {<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> version = dis.readUTF();<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> } finally {<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> dis.close();<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> }<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> } catch (EOFException eof) {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> LOG.warn("Version file was empty, odd, will try to set it.");<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> } finally {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> s.close();<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> return version;<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> }<a name="line.361"></a> |
| <span class="sourceLineNo">362</span><a name="line.362"></a> |
| <span class="sourceLineNo">363</span> /**<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> * Parse the content of the ${HBASE_ROOTDIR}/hbase.version file.<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> * @param bytes The byte content of the hbase.version file.<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> * @return The version found in the file as a String.<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> * @throws DeserializationException<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> */<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> static String parseVersionFrom(final byte [] bytes)<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> throws DeserializationException {<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> ProtobufUtil.expectPBMagicPrefix(bytes);<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> int pblen = ProtobufUtil.lengthOfPBMagic();<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> FSProtos.HBaseVersionFileContent.Builder builder =<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> FSProtos.HBaseVersionFileContent.newBuilder();<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> try {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> ProtobufUtil.mergeFrom(builder, bytes, pblen, bytes.length - pblen);<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> return builder.getVersion();<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> } catch (IOException e) {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> // Convert<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> throw new DeserializationException(e);<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> }<a name="line.382"></a> |
| <span class="sourceLineNo">383</span><a name="line.383"></a> |
| <span class="sourceLineNo">384</span> /**<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> * Create the content to write into the ${HBASE_ROOTDIR}/hbase.version file.<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> * @param version Version to persist<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * @return Serialized protobuf with <code>version</code> content and a bit of pb magic for a prefix.<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> */<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> static byte [] toVersionByteArray(final String version) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> FSProtos.HBaseVersionFileContent.Builder builder =<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> FSProtos.HBaseVersionFileContent.newBuilder();<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> return ProtobufUtil.prependPBMagic(builder.setVersion(version).build().toByteArray());<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> }<a name="line.393"></a> |
| <span class="sourceLineNo">394</span><a name="line.394"></a> |
| <span class="sourceLineNo">395</span> /**<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> * Verifies current version of file system<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> *<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> * @param fs file system<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> * @param rootdir root directory of HBase installation<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> * @param message if true, issues a message on System.out<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> *<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> * @throws IOException e<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> * @throws DeserializationException<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> */<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> public static void checkVersion(FileSystem fs, Path rootdir, boolean message)<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> throws IOException, DeserializationException {<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> checkVersion(fs, rootdir, message, 0, HConstants.DEFAULT_VERSION_FILE_WRITE_ATTEMPTS);<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> }<a name="line.408"></a> |
| <span class="sourceLineNo">409</span><a name="line.409"></a> |
| <span class="sourceLineNo">410</span> /**<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> * Verifies current version of file system<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> *<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> * @param fs file system<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> * @param rootdir root directory of HBase installation<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> * @param message if true, issues a message on System.out<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> * @param wait wait interval<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> * @param retries number of times to retry<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> *<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> * @throws IOException e<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * @throws DeserializationException<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> */<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> public static void checkVersion(FileSystem fs, Path rootdir,<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> boolean message, int wait, int retries)<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> throws IOException, DeserializationException {<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> String version = getVersion(fs, rootdir);<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> String msg;<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> if (version == null) {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> if (!metaRegionExists(fs, rootdir)) {<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> // rootDir is empty (no version file and no root region)<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> // just create new version file (HBASE-1195)<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> setVersion(fs, rootdir, wait, retries);<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> return;<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> } else {<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> msg = "hbase.version file is missing. Is your hbase.rootdir valid? " +<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> "You can restore hbase.version file by running 'HBCK2 filesystem -fix'. " +<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> "See https://github.com/apache/hbase-operator-tools/tree/master/hbase-hbck2";<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> }<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> } else if (version.compareTo(HConstants.FILE_SYSTEM_VERSION) == 0) {<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> return;<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> } else {<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> msg = "HBase file layout needs to be upgraded. Current filesystem version is " + version +<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> " but software requires version " + HConstants.FILE_SYSTEM_VERSION +<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> ". Consult http://hbase.apache.org/book.html for further information about " +<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> "upgrading HBase.";<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> // version is deprecated require migration<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> // Output on stdout so user sees it in terminal.<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> if (message) {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> System.out.println("WARNING! " + msg);<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> throw new FileSystemVersionException(msg);<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> }<a name="line.453"></a> |
| <span class="sourceLineNo">454</span><a name="line.454"></a> |
| <span class="sourceLineNo">455</span> /**<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> * Sets version of file system<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> *<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> * @param fs filesystem object<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> * @param rootdir hbase root<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> * @throws IOException e<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> */<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> public static void setVersion(FileSystem fs, Path rootdir)<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> throws IOException {<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> setVersion(fs, rootdir, HConstants.FILE_SYSTEM_VERSION, 0,<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> HConstants.DEFAULT_VERSION_FILE_WRITE_ATTEMPTS);<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<a name="line.466"></a> |
| <span class="sourceLineNo">467</span><a name="line.467"></a> |
| <span class="sourceLineNo">468</span> /**<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> * Sets version of file system<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> *<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> * @param fs filesystem object<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> * @param rootdir hbase root<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> * @param wait time to wait for retry<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> * @param retries number of times to retry before failing<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> * @throws IOException e<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> */<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> public static void setVersion(FileSystem fs, Path rootdir, int wait, int retries)<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> throws IOException {<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> setVersion(fs, rootdir, HConstants.FILE_SYSTEM_VERSION, wait, retries);<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> }<a name="line.480"></a> |
| <span class="sourceLineNo">481</span><a name="line.481"></a> |
| <span class="sourceLineNo">482</span><a name="line.482"></a> |
| <span class="sourceLineNo">483</span> /**<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> * Sets version of file system<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> *<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> * @param fs filesystem object<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> * @param rootdir hbase root directory<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> * @param version version to set<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> * @param wait time to wait for retry<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> * @param retries number of times to retry before throwing an IOException<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> * @throws IOException e<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> */<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> public static void setVersion(FileSystem fs, Path rootdir, String version,<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> int wait, int retries) throws IOException {<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> Path versionFile = new Path(rootdir, HConstants.VERSION_FILE_NAME);<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> Path tempVersionFile = new Path(rootdir, HConstants.HBASE_TEMP_DIRECTORY + Path.SEPARATOR +<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> HConstants.VERSION_FILE_NAME);<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> while (true) {<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> try {<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> // Write the version to a temporary file<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> FSDataOutputStream s = fs.create(tempVersionFile);<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> try {<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> s.write(toVersionByteArray(version));<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> s.close();<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> s = null;<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> // Move the temp version file to its normal location. Returns false<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> // if the rename failed. Throw an IOE in that case.<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> if (!fs.rename(tempVersionFile, versionFile)) {<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> throw new IOException("Unable to move temp version file to " + versionFile);<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> }<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> } finally {<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> // Cleaning up the temporary if the rename failed would be trying<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> // too hard. We'll unconditionally create it again the next time<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> // through anyway, files are overwritten by default by create().<a name="line.514"></a> |
| <span class="sourceLineNo">515</span><a name="line.515"></a> |
| <span class="sourceLineNo">516</span> // Attempt to close the stream on the way out if it is still open.<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> try {<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> if (s != null) s.close();<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> } catch (IOException ignore) { }<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> }<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> LOG.info("Created version file at " + rootdir.toString() + " with version=" + version);<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> return;<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> } catch (IOException e) {<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> if (retries > 0) {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> LOG.debug("Unable to create version file at " + rootdir.toString() + ", retrying", e);<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> fs.delete(versionFile, false);<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> try {<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> if (wait > 0) {<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> Thread.sleep(wait);<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> }<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> } catch (InterruptedException ie) {<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> throw (InterruptedIOException)new InterruptedIOException().initCause(ie);<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> }<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> retries--;<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> } else {<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> throw e;<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> }<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> }<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> }<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> }<a name="line.540"></a> |
| <span class="sourceLineNo">541</span><a name="line.541"></a> |
| <span class="sourceLineNo">542</span> /**<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> * Checks that a cluster ID file exists in the HBase root directory<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> * @param fs the root directory FileSystem<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> * @param rootdir the HBase root directory in HDFS<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> * @param wait how long to wait between retries<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> * @return <code>true</code> if the file exists, otherwise <code>false</code><a name="line.547"></a> |
| <span class="sourceLineNo">548</span> * @throws IOException if checking the FileSystem fails<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> */<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> public static boolean checkClusterIdExists(FileSystem fs, Path rootdir,<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> int wait) throws IOException {<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> while (true) {<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> try {<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> Path filePath = new Path(rootdir, HConstants.CLUSTER_ID_FILE_NAME);<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> return fs.exists(filePath);<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> } catch (IOException ioe) {<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> if (wait > 0) {<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> LOG.warn("Unable to check cluster ID file in " + rootdir.toString() +<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> ", retrying in "+wait+"msec: "+StringUtils.stringifyException(ioe));<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> try {<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> Thread.sleep(wait);<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> } catch (InterruptedException e) {<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e);<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> }<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> } else {<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> throw ioe;<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> }<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> }<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> }<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> }<a name="line.570"></a> |
| <span class="sourceLineNo">571</span><a name="line.571"></a> |
| <span class="sourceLineNo">572</span> /**<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> * Returns the value of the unique cluster ID stored for this HBase instance.<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> * @param fs the root directory FileSystem<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> * @param rootdir the path to the HBase root directory<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> * @return the unique cluster identifier<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> * @throws IOException if reading the cluster ID file fails<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> */<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> public static ClusterId getClusterId(FileSystem fs, Path rootdir)<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> throws IOException {<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> Path idPath = new Path(rootdir, HConstants.CLUSTER_ID_FILE_NAME);<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> ClusterId clusterId = null;<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> FileStatus status = fs.exists(idPath)? fs.getFileStatus(idPath): null;<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> if (status != null) {<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> int len = Ints.checkedCast(status.getLen());<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> byte [] content = new byte[len];<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> FSDataInputStream in = fs.open(idPath);<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> try {<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> in.readFully(content);<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> } catch (EOFException eof) {<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> LOG.warn("Cluster ID file " + idPath.toString() + " was empty");<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> } finally{<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> in.close();<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> }<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> try {<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> clusterId = ClusterId.parseFrom(content);<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> } catch (DeserializationException e) {<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> throw new IOException("content=" + Bytes.toString(content), e);<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> }<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> // If not pb'd, make it so.<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> if (!ProtobufUtil.isPBMagicPrefix(content)) {<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> String cid = null;<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> in = fs.open(idPath);<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> try {<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> cid = in.readUTF();<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> clusterId = new ClusterId(cid);<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> } catch (EOFException eof) {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> LOG.warn("Cluster ID file " + idPath.toString() + " was empty");<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> } finally {<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> in.close();<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> }<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> rewriteAsPb(fs, rootdir, idPath, clusterId);<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> }<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> return clusterId;<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> } else {<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> LOG.warn("Cluster ID file does not exist at " + idPath.toString());<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> }<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> return clusterId;<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> }<a name="line.619"></a> |
| <span class="sourceLineNo">620</span><a name="line.620"></a> |
| <span class="sourceLineNo">621</span> /**<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> * @param cid<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> * @throws IOException<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> */<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> private static void rewriteAsPb(final FileSystem fs, final Path rootdir, final Path p,<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> final ClusterId cid)<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> throws IOException {<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> // Rewrite the file as pb. Move aside the old one first, write new<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> // then delete the moved-aside file.<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> Path movedAsideName = new Path(p + "." + System.currentTimeMillis());<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> if (!fs.rename(p, movedAsideName)) throw new IOException("Failed rename of " + p);<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> setClusterId(fs, rootdir, cid, 100);<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> if (!fs.delete(movedAsideName, false)) {<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> throw new IOException("Failed delete of " + movedAsideName);<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> }<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> LOG.debug("Rewrote the hbase.id file as pb");<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> }<a name="line.637"></a> |
| <span class="sourceLineNo">638</span><a name="line.638"></a> |
| <span class="sourceLineNo">639</span> /**<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> * Writes a new unique identifier for this cluster to the "hbase.id" file<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> * in the HBase root directory<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> * @param fs the root directory FileSystem<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> * @param rootdir the path to the HBase root directory<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> * @param clusterId the unique identifier to store<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> * @param wait how long (in milliseconds) to wait between retries<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> * @throws IOException if writing to the FileSystem fails and no wait value<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> */<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> public static void setClusterId(FileSystem fs, Path rootdir, ClusterId clusterId,<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> int wait) throws IOException {<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> while (true) {<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> try {<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> Path idFile = new Path(rootdir, HConstants.CLUSTER_ID_FILE_NAME);<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> Path tempIdFile = new Path(rootdir, HConstants.HBASE_TEMP_DIRECTORY +<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> Path.SEPARATOR + HConstants.CLUSTER_ID_FILE_NAME);<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> // Write the id file to a temporary location<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> FSDataOutputStream s = fs.create(tempIdFile);<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> try {<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> s.write(clusterId.toByteArray());<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> s.close();<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> s = null;<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> // Move the temporary file to its normal location. Throw an IOE if<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> // the rename failed<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> if (!fs.rename(tempIdFile, idFile)) {<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> throw new IOException("Unable to move temp version file to " + idFile);<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> }<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> } finally {<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> // Attempt to close the stream if still open on the way out<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> try {<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> if (s != null) s.close();<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> } catch (IOException ignore) { }<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> }<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> if (LOG.isDebugEnabled()) {<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> LOG.debug("Created cluster ID file at " + idFile.toString() + " with ID: " + clusterId);<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> }<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> return;<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> } catch (IOException ioe) {<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> if (wait > 0) {<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> LOG.warn("Unable to create cluster ID file in " + rootdir.toString() +<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> ", retrying in " + wait + "msec: " + StringUtils.stringifyException(ioe));<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> try {<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> Thread.sleep(wait);<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> } catch (InterruptedException e) {<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e);<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> }<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> } else {<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> throw ioe;<a name="line.686"></a> |
| <span class="sourceLineNo">687</span> }<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> }<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> }<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> }<a name="line.690"></a> |
| <span class="sourceLineNo">691</span><a name="line.691"></a> |
| <span class="sourceLineNo">692</span> /**<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> * If DFS, check safe mode and if so, wait until we clear it.<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> * @param conf configuration<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> * @param wait Sleep between retries<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> * @throws IOException e<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> */<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> public static void waitOnSafeMode(final Configuration conf,<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> final long wait)<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> throws IOException {<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> FileSystem fs = FileSystem.get(conf);<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> if (!(fs instanceof DistributedFileSystem)) return;<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> DistributedFileSystem dfs = (DistributedFileSystem)fs;<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> // Make sure dfs is not in safe mode<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> while (isInSafeMode(dfs)) {<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> LOG.info("Waiting for dfs to exit safe mode...");<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> try {<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> Thread.sleep(wait);<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> } catch (InterruptedException e) {<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e);<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> }<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> }<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> }<a name="line.713"></a> |
| <span class="sourceLineNo">714</span><a name="line.714"></a> |
| <span class="sourceLineNo">715</span> /**<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> * Checks if meta region exists<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> * @param fs file system<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> * @param rootDir root directory of HBase installation<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> * @return true if exists<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> */<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> public static boolean metaRegionExists(FileSystem fs, Path rootDir) throws IOException {<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> Path metaRegionDir = getRegionDirFromRootDir(rootDir, RegionInfoBuilder.FIRST_META_REGIONINFO);<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> return fs.exists(metaRegionDir);<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> }<a name="line.724"></a> |
| <span class="sourceLineNo">725</span><a name="line.725"></a> |
| <span class="sourceLineNo">726</span> /**<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> * Compute HDFS blocks distribution of a given file, or a portion of the file<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> * @param fs file system<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> * @param status file status of the file<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> * @param start start position of the portion<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> * @param length length of the portion<a name="line.731"></a> |
| <span class="sourceLineNo">732</span> * @return The HDFS blocks distribution<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> */<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> static public HDFSBlocksDistribution computeHDFSBlocksDistribution(<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> final FileSystem fs, FileStatus status, long start, long length)<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> throws IOException {<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> HDFSBlocksDistribution blocksDistribution = new HDFSBlocksDistribution();<a name="line.737"></a> |
| <span class="sourceLineNo">738</span> BlockLocation [] blockLocations =<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> fs.getFileBlockLocations(status, start, length);<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> for(BlockLocation bl : blockLocations) {<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> String [] hosts = bl.getHosts();<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> long len = bl.getLength();<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> blocksDistribution.addHostsAndBlockWeight(hosts, len);<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> }<a name="line.744"></a> |
| <span class="sourceLineNo">745</span><a name="line.745"></a> |
| <span class="sourceLineNo">746</span> return blocksDistribution;<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> }<a name="line.747"></a> |
| <span class="sourceLineNo">748</span><a name="line.748"></a> |
| <span class="sourceLineNo">749</span> /**<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> * Update blocksDistribution with blockLocations<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> * @param blocksDistribution the hdfs blocks distribution<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> * @param blockLocations an array containing block location<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> */<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> static public void addToHDFSBlocksDistribution(<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> HDFSBlocksDistribution blocksDistribution, BlockLocation[] blockLocations)<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> throws IOException {<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> for (BlockLocation bl : blockLocations) {<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> String[] hosts = bl.getHosts();<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> long len = bl.getLength();<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> blocksDistribution.addHostsAndBlockWeight(hosts, len);<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> }<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> }<a name="line.762"></a> |
| <span class="sourceLineNo">763</span><a name="line.763"></a> |
| <span class="sourceLineNo">764</span> // TODO move this method OUT of FSUtils. No dependencies to HMaster<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> /**<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> * Returns the total overall fragmentation percentage. Includes hbase:meta and<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> * -ROOT- as well.<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> *<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> * @param master The master defining the HBase root and file system.<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> * @return A map for each table and its percentage.<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> * @throws IOException When scanning the directory fails.<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> */<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> public static int getTotalTableFragmentation(final HMaster master)<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> throws IOException {<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> Map<String, Integer> map = getTableFragmentation(master);<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> return map != null && map.size() > 0 ? map.get("-TOTAL-") : -1;<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> }<a name="line.777"></a> |
| <span class="sourceLineNo">778</span><a name="line.778"></a> |
| <span class="sourceLineNo">779</span> /**<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> * Runs through the HBase rootdir and checks how many stores for each table<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> * have more than one file in them. Checks -ROOT- and hbase:meta too. The total<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> * percentage across all tables is stored under the special key "-TOTAL-".<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> *<a name="line.783"></a> |
| <span class="sourceLineNo">784</span> * @param master The master defining the HBase root and file system.<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> * @return A map for each table and its percentage.<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> *<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> * @throws IOException When scanning the directory fails.<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> */<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> public static Map<String, Integer> getTableFragmentation(<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> final HMaster master)<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> throws IOException {<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> Path path = getRootDir(master.getConfiguration());<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> // since HMaster.getFileSystem() is package private<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> FileSystem fs = path.getFileSystem(master.getConfiguration());<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> return getTableFragmentation(fs, path);<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> }<a name="line.796"></a> |
| <span class="sourceLineNo">797</span><a name="line.797"></a> |
| <span class="sourceLineNo">798</span> /**<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> * Runs through the HBase rootdir and checks how many stores for each table<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> * have more than one file in them. Checks -ROOT- and hbase:meta too. The total<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> * percentage across all tables is stored under the special key "-TOTAL-".<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> *<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> * @param fs The file system to use.<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> * @param hbaseRootDir The root directory to scan.<a name="line.804"></a> |
| <span class="sourceLineNo">805</span> * @return A map for each table and its percentage.<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> * @throws IOException When scanning the directory fails.<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> */<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> public static Map<String, Integer> getTableFragmentation(<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> final FileSystem fs, final Path hbaseRootDir)<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> throws IOException {<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> Map<String, Integer> frags = new HashMap<>();<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> int cfCountTotal = 0;<a name="line.812"></a> |
| <span class="sourceLineNo">813</span> int cfFragTotal = 0;<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> PathFilter regionFilter = new RegionDirFilter(fs);<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> PathFilter familyFilter = new FamilyDirFilter(fs);<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> List<Path> tableDirs = getTableDirs(fs, hbaseRootDir);<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> for (Path d : tableDirs) {<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> int cfCount = 0;<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> int cfFrag = 0;<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> FileStatus[] regionDirs = fs.listStatus(d, regionFilter);<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> for (FileStatus regionDir : regionDirs) {<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> Path dd = regionDir.getPath();<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> // else its a region name, now look in region for families<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> FileStatus[] familyDirs = fs.listStatus(dd, familyFilter);<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> for (FileStatus familyDir : familyDirs) {<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> cfCount++;<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> cfCountTotal++;<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> Path family = familyDir.getPath();<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> // now in family make sure only one file<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> FileStatus[] familyStatus = fs.listStatus(family);<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> if (familyStatus.length > 1) {<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> cfFrag++;<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> cfFragTotal++;<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> }<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> }<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> }<a name="line.836"></a> |
| <span class="sourceLineNo">837</span> // compute percentage per table and store in result list<a name="line.837"></a> |
| <span class="sourceLineNo">838</span> frags.put(FSUtils.getTableName(d).getNameAsString(),<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> cfCount == 0? 0: Math.round((float) cfFrag / cfCount * 100));<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> }<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> // set overall percentage for all tables<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> frags.put("-TOTAL-",<a name="line.842"></a> |
| <span class="sourceLineNo">843</span> cfCountTotal == 0? 0: Math.round((float) cfFragTotal / cfCountTotal * 100));<a name="line.843"></a> |
| <span class="sourceLineNo">844</span> return frags;<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> }<a name="line.845"></a> |
| <span class="sourceLineNo">846</span><a name="line.846"></a> |
| <span class="sourceLineNo">847</span> public static void renameFile(FileSystem fs, Path src, Path dst) throws IOException {<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> if (fs.exists(dst) && !fs.delete(dst, false)) {<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> throw new IOException("Can not delete " + dst);<a name="line.849"></a> |
| <span class="sourceLineNo">850</span> }<a name="line.850"></a> |
| <span class="sourceLineNo">851</span> if (!fs.rename(src, dst)) {<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> throw new IOException("Can not rename from " + src + " to " + dst);<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> }<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> }<a name="line.854"></a> |
| <span class="sourceLineNo">855</span><a name="line.855"></a> |
| <span class="sourceLineNo">856</span> /**<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> * A {@link PathFilter} that returns only regular files.<a name="line.857"></a> |
| <span class="sourceLineNo">858</span> */<a name="line.858"></a> |
| <span class="sourceLineNo">859</span> static class FileFilter extends AbstractFileStatusFilter {<a name="line.859"></a> |
| <span class="sourceLineNo">860</span> private final FileSystem fs;<a name="line.860"></a> |
| <span class="sourceLineNo">861</span><a name="line.861"></a> |
| <span class="sourceLineNo">862</span> public FileFilter(final FileSystem fs) {<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> this.fs = fs;<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> }<a name="line.864"></a> |
| <span class="sourceLineNo">865</span><a name="line.865"></a> |
| <span class="sourceLineNo">866</span> @Override<a name="line.866"></a> |
| <span class="sourceLineNo">867</span> protected boolean accept(Path p, @CheckForNull Boolean isDir) {<a name="line.867"></a> |
| <span class="sourceLineNo">868</span> try {<a name="line.868"></a> |
| <span class="sourceLineNo">869</span> return isFile(fs, isDir, p);<a name="line.869"></a> |
| <span class="sourceLineNo">870</span> } catch (IOException e) {<a name="line.870"></a> |
| <span class="sourceLineNo">871</span> LOG.warn("unable to verify if path=" + p + " is a regular file", e);<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> return false;<a name="line.872"></a> |
| <span class="sourceLineNo">873</span> }<a name="line.873"></a> |
| <span class="sourceLineNo">874</span> }<a name="line.874"></a> |
| <span class="sourceLineNo">875</span> }<a name="line.875"></a> |
| <span class="sourceLineNo">876</span><a name="line.876"></a> |
| <span class="sourceLineNo">877</span> /**<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> * Directory filter that doesn't include any of the directories in the specified blacklist<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> */<a name="line.879"></a> |
| <span class="sourceLineNo">880</span> public static class BlackListDirFilter extends AbstractFileStatusFilter {<a name="line.880"></a> |
| <span class="sourceLineNo">881</span> private final FileSystem fs;<a name="line.881"></a> |
| <span class="sourceLineNo">882</span> private List<String> blacklist;<a name="line.882"></a> |
| <span class="sourceLineNo">883</span><a name="line.883"></a> |
| <span class="sourceLineNo">884</span> /**<a name="line.884"></a> |
| <span class="sourceLineNo">885</span> * Create a filter on the givem filesystem with the specified blacklist<a name="line.885"></a> |
| <span class="sourceLineNo">886</span> * @param fs filesystem to filter<a name="line.886"></a> |
| <span class="sourceLineNo">887</span> * @param directoryNameBlackList list of the names of the directories to filter. If<a name="line.887"></a> |
| <span class="sourceLineNo">888</span> * <tt>null</tt>, all directories are returned<a name="line.888"></a> |
| <span class="sourceLineNo">889</span> */<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> @SuppressWarnings("unchecked")<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> public BlackListDirFilter(final FileSystem fs, final List<String> directoryNameBlackList) {<a name="line.891"></a> |
| <span class="sourceLineNo">892</span> this.fs = fs;<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> blacklist =<a name="line.893"></a> |
| <span class="sourceLineNo">894</span> (List<String>) (directoryNameBlackList == null ? Collections.emptyList()<a name="line.894"></a> |
| <span class="sourceLineNo">895</span> : directoryNameBlackList);<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> }<a name="line.896"></a> |
| <span class="sourceLineNo">897</span><a name="line.897"></a> |
| <span class="sourceLineNo">898</span> @Override<a name="line.898"></a> |
| <span class="sourceLineNo">899</span> protected boolean accept(Path p, @CheckForNull Boolean isDir) {<a name="line.899"></a> |
| <span class="sourceLineNo">900</span> if (!isValidName(p.getName())) {<a name="line.900"></a> |
| <span class="sourceLineNo">901</span> return false;<a name="line.901"></a> |
| <span class="sourceLineNo">902</span> }<a name="line.902"></a> |
| <span class="sourceLineNo">903</span><a name="line.903"></a> |
| <span class="sourceLineNo">904</span> try {<a name="line.904"></a> |
| <span class="sourceLineNo">905</span> return isDirectory(fs, isDir, p);<a name="line.905"></a> |
| <span class="sourceLineNo">906</span> } catch (IOException e) {<a name="line.906"></a> |
| <span class="sourceLineNo">907</span> LOG.warn("An error occurred while verifying if [" + p.toString()<a name="line.907"></a> |
| <span class="sourceLineNo">908</span> + "] is a valid directory. Returning 'not valid' and continuing.", e);<a name="line.908"></a> |
| <span class="sourceLineNo">909</span> return false;<a name="line.909"></a> |
| <span class="sourceLineNo">910</span> }<a name="line.910"></a> |
| <span class="sourceLineNo">911</span> }<a name="line.911"></a> |
| <span class="sourceLineNo">912</span><a name="line.912"></a> |
| <span class="sourceLineNo">913</span> protected boolean isValidName(final String name) {<a name="line.913"></a> |
| <span class="sourceLineNo">914</span> return !blacklist.contains(name);<a name="line.914"></a> |
| <span class="sourceLineNo">915</span> }<a name="line.915"></a> |
| <span class="sourceLineNo">916</span> }<a name="line.916"></a> |
| <span class="sourceLineNo">917</span><a name="line.917"></a> |
| <span class="sourceLineNo">918</span> /**<a name="line.918"></a> |
| <span class="sourceLineNo">919</span> * A {@link PathFilter} that only allows directories.<a name="line.919"></a> |
| <span class="sourceLineNo">920</span> */<a name="line.920"></a> |
| <span class="sourceLineNo">921</span> public static class DirFilter extends BlackListDirFilter {<a name="line.921"></a> |
| <span class="sourceLineNo">922</span><a name="line.922"></a> |
| <span class="sourceLineNo">923</span> public DirFilter(FileSystem fs) {<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> super(fs, null);<a name="line.924"></a> |
| <span class="sourceLineNo">925</span> }<a name="line.925"></a> |
| <span class="sourceLineNo">926</span> }<a name="line.926"></a> |
| <span class="sourceLineNo">927</span><a name="line.927"></a> |
| <span class="sourceLineNo">928</span> /**<a name="line.928"></a> |
| <span class="sourceLineNo">929</span> * A {@link PathFilter} that returns usertable directories. To get all directories use the<a name="line.929"></a> |
| <span class="sourceLineNo">930</span> * {@link BlackListDirFilter} with a <tt>null</tt> blacklist<a name="line.930"></a> |
| <span class="sourceLineNo">931</span> */<a name="line.931"></a> |
| <span class="sourceLineNo">932</span> public static class UserTableDirFilter extends BlackListDirFilter {<a name="line.932"></a> |
| <span class="sourceLineNo">933</span> public UserTableDirFilter(FileSystem fs) {<a name="line.933"></a> |
| <span class="sourceLineNo">934</span> super(fs, HConstants.HBASE_NON_TABLE_DIRS);<a name="line.934"></a> |
| <span class="sourceLineNo">935</span> }<a name="line.935"></a> |
| <span class="sourceLineNo">936</span><a name="line.936"></a> |
| <span class="sourceLineNo">937</span> @Override<a name="line.937"></a> |
| <span class="sourceLineNo">938</span> protected boolean isValidName(final String name) {<a name="line.938"></a> |
| <span class="sourceLineNo">939</span> if (!super.isValidName(name))<a name="line.939"></a> |
| <span class="sourceLineNo">940</span> return false;<a name="line.940"></a> |
| <span class="sourceLineNo">941</span><a name="line.941"></a> |
| <span class="sourceLineNo">942</span> try {<a name="line.942"></a> |
| <span class="sourceLineNo">943</span> TableName.isLegalTableQualifierName(Bytes.toBytes(name));<a name="line.943"></a> |
| <span class="sourceLineNo">944</span> } catch (IllegalArgumentException e) {<a name="line.944"></a> |
| <span class="sourceLineNo">945</span> LOG.info("INVALID NAME " + name);<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> return false;<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> }<a name="line.947"></a> |
| <span class="sourceLineNo">948</span> return true;<a name="line.948"></a> |
| <span class="sourceLineNo">949</span> }<a name="line.949"></a> |
| <span class="sourceLineNo">950</span> }<a name="line.950"></a> |
| <span class="sourceLineNo">951</span><a name="line.951"></a> |
| <span class="sourceLineNo">952</span> public void recoverFileLease(final FileSystem fs, final Path p, Configuration conf)<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> throws IOException {<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> recoverFileLease(fs, p, conf, null);<a name="line.954"></a> |
| <span class="sourceLineNo">955</span> }<a name="line.955"></a> |
| <span class="sourceLineNo">956</span><a name="line.956"></a> |
| <span class="sourceLineNo">957</span> /**<a name="line.957"></a> |
| <span class="sourceLineNo">958</span> * Recover file lease. Used when a file might be suspect<a name="line.958"></a> |
| <span class="sourceLineNo">959</span> * to be had been left open by another process.<a name="line.959"></a> |
| <span class="sourceLineNo">960</span> * @param fs FileSystem handle<a name="line.960"></a> |
| <span class="sourceLineNo">961</span> * @param p Path of file to recover lease<a name="line.961"></a> |
| <span class="sourceLineNo">962</span> * @param conf Configuration handle<a name="line.962"></a> |
| <span class="sourceLineNo">963</span> * @throws IOException<a name="line.963"></a> |
| <span class="sourceLineNo">964</span> */<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> public abstract void recoverFileLease(final FileSystem fs, final Path p,<a name="line.965"></a> |
| <span class="sourceLineNo">966</span> Configuration conf, CancelableProgressable reporter) throws IOException;<a name="line.966"></a> |
| <span class="sourceLineNo">967</span><a name="line.967"></a> |
| <span class="sourceLineNo">968</span> public static List<Path> getTableDirs(final FileSystem fs, final Path rootdir)<a name="line.968"></a> |
| <span class="sourceLineNo">969</span> throws IOException {<a name="line.969"></a> |
| <span class="sourceLineNo">970</span> List<Path> tableDirs = new LinkedList<>();<a name="line.970"></a> |
| <span class="sourceLineNo">971</span><a name="line.971"></a> |
| <span class="sourceLineNo">972</span> for(FileStatus status :<a name="line.972"></a> |
| <span class="sourceLineNo">973</span> fs.globStatus(new Path(rootdir,<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> new Path(HConstants.BASE_NAMESPACE_DIR, "*")))) {<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> tableDirs.addAll(FSUtils.getLocalTableDirs(fs, status.getPath()));<a name="line.975"></a> |
| <span class="sourceLineNo">976</span> }<a name="line.976"></a> |
| <span class="sourceLineNo">977</span> return tableDirs;<a name="line.977"></a> |
| <span class="sourceLineNo">978</span> }<a name="line.978"></a> |
| <span class="sourceLineNo">979</span><a name="line.979"></a> |
| <span class="sourceLineNo">980</span> /**<a name="line.980"></a> |
| <span class="sourceLineNo">981</span> * @param fs<a name="line.981"></a> |
| <span class="sourceLineNo">982</span> * @param rootdir<a name="line.982"></a> |
| <span class="sourceLineNo">983</span> * @return All the table directories under <code>rootdir</code>. Ignore non table hbase folders such as<a name="line.983"></a> |
| <span class="sourceLineNo">984</span> * .logs, .oldlogs, .corrupt folders.<a name="line.984"></a> |
| <span class="sourceLineNo">985</span> * @throws IOException<a name="line.985"></a> |
| <span class="sourceLineNo">986</span> */<a name="line.986"></a> |
| <span class="sourceLineNo">987</span> public static List<Path> getLocalTableDirs(final FileSystem fs, final Path rootdir)<a name="line.987"></a> |
| <span class="sourceLineNo">988</span> throws IOException {<a name="line.988"></a> |
| <span class="sourceLineNo">989</span> // presumes any directory under hbase.rootdir is a table<a name="line.989"></a> |
| <span class="sourceLineNo">990</span> FileStatus[] dirs = fs.listStatus(rootdir, new UserTableDirFilter(fs));<a name="line.990"></a> |
| <span class="sourceLineNo">991</span> List<Path> tabledirs = new ArrayList<>(dirs.length);<a name="line.991"></a> |
| <span class="sourceLineNo">992</span> for (FileStatus dir: dirs) {<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> tabledirs.add(dir.getPath());<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> }<a name="line.994"></a> |
| <span class="sourceLineNo">995</span> return tabledirs;<a name="line.995"></a> |
| <span class="sourceLineNo">996</span> }<a name="line.996"></a> |
| <span class="sourceLineNo">997</span><a name="line.997"></a> |
| <span class="sourceLineNo">998</span> /**<a name="line.998"></a> |
| <span class="sourceLineNo">999</span> * Filter for all dirs that don't start with '.'<a name="line.999"></a> |
| <span class="sourceLineNo">1000</span> */<a name="line.1000"></a> |
| <span class="sourceLineNo">1001</span> public static class RegionDirFilter extends AbstractFileStatusFilter {<a name="line.1001"></a> |
| <span class="sourceLineNo">1002</span> // This pattern will accept 0.90+ style hex region dirs and older numeric region dir names.<a name="line.1002"></a> |
| <span class="sourceLineNo">1003</span> final public static Pattern regionDirPattern = Pattern.compile("^[0-9a-f]*$");<a name="line.1003"></a> |
| <span class="sourceLineNo">1004</span> final FileSystem fs;<a name="line.1004"></a> |
| <span class="sourceLineNo">1005</span><a name="line.1005"></a> |
| <span class="sourceLineNo">1006</span> public RegionDirFilter(FileSystem fs) {<a name="line.1006"></a> |
| <span class="sourceLineNo">1007</span> this.fs = fs;<a name="line.1007"></a> |
| <span class="sourceLineNo">1008</span> }<a name="line.1008"></a> |
| <span class="sourceLineNo">1009</span><a name="line.1009"></a> |
| <span class="sourceLineNo">1010</span> @Override<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span> protected boolean accept(Path p, @CheckForNull Boolean isDir) {<a name="line.1011"></a> |
| <span class="sourceLineNo">1012</span> if (!regionDirPattern.matcher(p.getName()).matches()) {<a name="line.1012"></a> |
| <span class="sourceLineNo">1013</span> return false;<a name="line.1013"></a> |
| <span class="sourceLineNo">1014</span> }<a name="line.1014"></a> |
| <span class="sourceLineNo">1015</span><a name="line.1015"></a> |
| <span class="sourceLineNo">1016</span> try {<a name="line.1016"></a> |
| <span class="sourceLineNo">1017</span> return isDirectory(fs, isDir, p);<a name="line.1017"></a> |
| <span class="sourceLineNo">1018</span> } catch (IOException ioe) {<a name="line.1018"></a> |
| <span class="sourceLineNo">1019</span> // Maybe the file was moved or the fs was disconnected.<a name="line.1019"></a> |
| <span class="sourceLineNo">1020</span> LOG.warn("Skipping file " + p +" due to IOException", ioe);<a name="line.1020"></a> |
| <span class="sourceLineNo">1021</span> return false;<a name="line.1021"></a> |
| <span class="sourceLineNo">1022</span> }<a name="line.1022"></a> |
| <span class="sourceLineNo">1023</span> }<a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> }<a name="line.1024"></a> |
| <span class="sourceLineNo">1025</span><a name="line.1025"></a> |
| <span class="sourceLineNo">1026</span> /**<a name="line.1026"></a> |
| <span class="sourceLineNo">1027</span> * Given a particular table dir, return all the regiondirs inside it, excluding files such as<a name="line.1027"></a> |
| <span class="sourceLineNo">1028</span> * .tableinfo<a name="line.1028"></a> |
| <span class="sourceLineNo">1029</span> * @param fs A file system for the Path<a name="line.1029"></a> |
| <span class="sourceLineNo">1030</span> * @param tableDir Path to a specific table directory &lt;hbase.rootdir&gt;/&lt;tabledir&gt;<a name="line.1030"></a> |
| <span class="sourceLineNo">1031</span> * @return List of paths to valid region directories in table dir.<a name="line.1031"></a> |
| <span class="sourceLineNo">1032</span> * @throws IOException<a name="line.1032"></a> |
| <span class="sourceLineNo">1033</span> */<a name="line.1033"></a> |
| <span class="sourceLineNo">1034</span> public static List<Path> getRegionDirs(final FileSystem fs, final Path tableDir) throws IOException {<a name="line.1034"></a> |
| <span class="sourceLineNo">1035</span> // assumes we are in a table dir.<a name="line.1035"></a> |
| <span class="sourceLineNo">1036</span> List<FileStatus> rds = listStatusWithStatusFilter(fs, tableDir, new RegionDirFilter(fs));<a name="line.1036"></a> |
| <span class="sourceLineNo">1037</span> if (rds == null) {<a name="line.1037"></a> |
| <span class="sourceLineNo">1038</span> return Collections.emptyList();<a name="line.1038"></a> |
| <span class="sourceLineNo">1039</span> }<a name="line.1039"></a> |
| <span class="sourceLineNo">1040</span> List<Path> regionDirs = new ArrayList<>(rds.size());<a name="line.1040"></a> |
| <span class="sourceLineNo">1041</span> for (FileStatus rdfs: rds) {<a name="line.1041"></a> |
| <span class="sourceLineNo">1042</span> Path rdPath = rdfs.getPath();<a name="line.1042"></a> |
| <span class="sourceLineNo">1043</span> regionDirs.add(rdPath);<a name="line.1043"></a> |
| <span class="sourceLineNo">1044</span> }<a name="line.1044"></a> |
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| <span class="sourceLineNo">1046</span> }<a name="line.1046"></a> |
| <span class="sourceLineNo">1047</span><a name="line.1047"></a> |
| <span class="sourceLineNo">1048</span> public static Path getRegionDirFromRootDir(Path rootDir, RegionInfo region) {<a name="line.1048"></a> |
| <span class="sourceLineNo">1049</span> return getRegionDirFromTableDir(getTableDir(rootDir, region.getTable()), region);<a name="line.1049"></a> |
| <span class="sourceLineNo">1050</span> }<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span><a name="line.1051"></a> |
| <span class="sourceLineNo">1052</span> public static Path getRegionDirFromTableDir(Path tableDir, RegionInfo region) {<a name="line.1052"></a> |
| <span class="sourceLineNo">1053</span> return new Path(tableDir, ServerRegionReplicaUtil.getRegionInfoForFs(region).getEncodedName());<a name="line.1053"></a> |
| <span class="sourceLineNo">1054</span> }<a name="line.1054"></a> |
| <span class="sourceLineNo">1055</span><a name="line.1055"></a> |
| <span class="sourceLineNo">1056</span> /**<a name="line.1056"></a> |
| <span class="sourceLineNo">1057</span> * Filter for all dirs that are legal column family names. This is generally used for colfam<a name="line.1057"></a> |
| <span class="sourceLineNo">1058</span> * dirs &lt;hbase.rootdir&gt;/&lt;tabledir&gt;/&lt;regiondir&gt;/&lt;colfamdir&gt;.<a name="line.1058"></a> |
| <span class="sourceLineNo">1059</span> */<a name="line.1059"></a> |
| <span class="sourceLineNo">1060</span> public static class FamilyDirFilter extends AbstractFileStatusFilter {<a name="line.1060"></a> |
| <span class="sourceLineNo">1061</span> final FileSystem fs;<a name="line.1061"></a> |
| <span class="sourceLineNo">1062</span><a name="line.1062"></a> |
| <span class="sourceLineNo">1063</span> public FamilyDirFilter(FileSystem fs) {<a name="line.1063"></a> |
| <span class="sourceLineNo">1064</span> this.fs = fs;<a name="line.1064"></a> |
| <span class="sourceLineNo">1065</span> }<a name="line.1065"></a> |
| <span class="sourceLineNo">1066</span><a name="line.1066"></a> |
| <span class="sourceLineNo">1067</span> @Override<a name="line.1067"></a> |
| <span class="sourceLineNo">1068</span> protected boolean accept(Path p, @CheckForNull Boolean isDir) {<a name="line.1068"></a> |
| <span class="sourceLineNo">1069</span> try {<a name="line.1069"></a> |
| <span class="sourceLineNo">1070</span> // throws IAE if invalid<a name="line.1070"></a> |
| <span class="sourceLineNo">1071</span> HColumnDescriptor.isLegalFamilyName(Bytes.toBytes(p.getName()));<a name="line.1071"></a> |
| <span class="sourceLineNo">1072</span> } catch (IllegalArgumentException iae) {<a name="line.1072"></a> |
| <span class="sourceLineNo">1073</span> // path name is an invalid family name and thus is excluded.<a name="line.1073"></a> |
| <span class="sourceLineNo">1074</span> return false;<a name="line.1074"></a> |
| <span class="sourceLineNo">1075</span> }<a name="line.1075"></a> |
| <span class="sourceLineNo">1076</span><a name="line.1076"></a> |
| <span class="sourceLineNo">1077</span> try {<a name="line.1077"></a> |
| <span class="sourceLineNo">1078</span> return isDirectory(fs, isDir, p);<a name="line.1078"></a> |
| <span class="sourceLineNo">1079</span> } catch (IOException ioe) {<a name="line.1079"></a> |
| <span class="sourceLineNo">1080</span> // Maybe the file was moved or the fs was disconnected.<a name="line.1080"></a> |
| <span class="sourceLineNo">1081</span> LOG.warn("Skipping file " + p +" due to IOException", ioe);<a name="line.1081"></a> |
| <span class="sourceLineNo">1082</span> return false;<a name="line.1082"></a> |
| <span class="sourceLineNo">1083</span> }<a name="line.1083"></a> |
| <span class="sourceLineNo">1084</span> }<a name="line.1084"></a> |
| <span class="sourceLineNo">1085</span> }<a name="line.1085"></a> |
| <span class="sourceLineNo">1086</span><a name="line.1086"></a> |
| <span class="sourceLineNo">1087</span> /**<a name="line.1087"></a> |
| <span class="sourceLineNo">1088</span> * Given a particular region dir, return all the familydirs inside it<a name="line.1088"></a> |
| <span class="sourceLineNo">1089</span> *<a name="line.1089"></a> |
| <span class="sourceLineNo">1090</span> * @param fs A file system for the Path<a name="line.1090"></a> |
| <span class="sourceLineNo">1091</span> * @param regionDir Path to a specific region directory<a name="line.1091"></a> |
| <span class="sourceLineNo">1092</span> * @return List of paths to valid family directories in region dir.<a name="line.1092"></a> |
| <span class="sourceLineNo">1093</span> * @throws IOException<a name="line.1093"></a> |
| <span class="sourceLineNo">1094</span> */<a name="line.1094"></a> |
| <span class="sourceLineNo">1095</span> public static List<Path> getFamilyDirs(final FileSystem fs, final Path regionDir) throws IOException {<a name="line.1095"></a> |
| <span class="sourceLineNo">1096</span> // assumes we are in a region dir.<a name="line.1096"></a> |
| <span class="sourceLineNo">1097</span> FileStatus[] fds = fs.listStatus(regionDir, new FamilyDirFilter(fs));<a name="line.1097"></a> |
| <span class="sourceLineNo">1098</span> List<Path> familyDirs = new ArrayList<>(fds.length);<a name="line.1098"></a> |
| <span class="sourceLineNo">1099</span> for (FileStatus fdfs: fds) {<a name="line.1099"></a> |
| <span class="sourceLineNo">1100</span> Path fdPath = fdfs.getPath();<a name="line.1100"></a> |
| <span class="sourceLineNo">1101</span> familyDirs.add(fdPath);<a name="line.1101"></a> |
| <span class="sourceLineNo">1102</span> }<a name="line.1102"></a> |
| <span class="sourceLineNo">1103</span> return familyDirs;<a name="line.1103"></a> |
| <span class="sourceLineNo">1104</span> }<a name="line.1104"></a> |
| <span class="sourceLineNo">1105</span><a name="line.1105"></a> |
| <span class="sourceLineNo">1106</span> public static List<Path> getReferenceFilePaths(final FileSystem fs, final Path familyDir) throws IOException {<a name="line.1106"></a> |
| <span class="sourceLineNo">1107</span> List<FileStatus> fds = listStatusWithStatusFilter(fs, familyDir, new ReferenceFileFilter(fs));<a name="line.1107"></a> |
| <span class="sourceLineNo">1108</span> if (fds == null) {<a name="line.1108"></a> |
| <span class="sourceLineNo">1109</span> return Collections.emptyList();<a name="line.1109"></a> |
| <span class="sourceLineNo">1110</span> }<a name="line.1110"></a> |
| <span class="sourceLineNo">1111</span> List<Path> referenceFiles = new ArrayList<>(fds.size());<a name="line.1111"></a> |
| <span class="sourceLineNo">1112</span> for (FileStatus fdfs: fds) {<a name="line.1112"></a> |
| <span class="sourceLineNo">1113</span> Path fdPath = fdfs.getPath();<a name="line.1113"></a> |
| <span class="sourceLineNo">1114</span> referenceFiles.add(fdPath);<a name="line.1114"></a> |
| <span class="sourceLineNo">1115</span> }<a name="line.1115"></a> |
| <span class="sourceLineNo">1116</span> return referenceFiles;<a name="line.1116"></a> |
| <span class="sourceLineNo">1117</span> }<a name="line.1117"></a> |
| <span class="sourceLineNo">1118</span><a name="line.1118"></a> |
| <span class="sourceLineNo">1119</span> /**<a name="line.1119"></a> |
| <span class="sourceLineNo">1120</span> * Filter for HFiles that excludes reference files.<a name="line.1120"></a> |
| <span class="sourceLineNo">1121</span> */<a name="line.1121"></a> |
| <span class="sourceLineNo">1122</span> public static class HFileFilter extends AbstractFileStatusFilter {<a name="line.1122"></a> |
| <span class="sourceLineNo">1123</span> final FileSystem fs;<a name="line.1123"></a> |
| <span class="sourceLineNo">1124</span><a name="line.1124"></a> |
| <span class="sourceLineNo">1125</span> public HFileFilter(FileSystem fs) {<a name="line.1125"></a> |
| <span class="sourceLineNo">1126</span> this.fs = fs;<a name="line.1126"></a> |
| <span class="sourceLineNo">1127</span> }<a name="line.1127"></a> |
| <span class="sourceLineNo">1128</span><a name="line.1128"></a> |
| <span class="sourceLineNo">1129</span> @Override<a name="line.1129"></a> |
| <span class="sourceLineNo">1130</span> protected boolean accept(Path p, @CheckForNull Boolean isDir) {<a name="line.1130"></a> |
| <span class="sourceLineNo">1131</span> if (!StoreFileInfo.isHFile(p)) {<a name="line.1131"></a> |
| <span class="sourceLineNo">1132</span> return false;<a name="line.1132"></a> |
| <span class="sourceLineNo">1133</span> }<a name="line.1133"></a> |
| <span class="sourceLineNo">1134</span><a name="line.1134"></a> |
| <span class="sourceLineNo">1135</span> try {<a name="line.1135"></a> |
| <span class="sourceLineNo">1136</span> return isFile(fs, isDir, p);<a name="line.1136"></a> |
| <span class="sourceLineNo">1137</span> } catch (IOException ioe) {<a name="line.1137"></a> |
| <span class="sourceLineNo">1138</span> // Maybe the file was moved or the fs was disconnected.<a name="line.1138"></a> |
| <span class="sourceLineNo">1139</span> LOG.warn("Skipping file " + p +" due to IOException", ioe);<a name="line.1139"></a> |
| <span class="sourceLineNo">1140</span> return false;<a name="line.1140"></a> |
| <span class="sourceLineNo">1141</span> }<a name="line.1141"></a> |
| <span class="sourceLineNo">1142</span> }<a name="line.1142"></a> |
| <span class="sourceLineNo">1143</span> }<a name="line.1143"></a> |
| <span class="sourceLineNo">1144</span><a name="line.1144"></a> |
| <span class="sourceLineNo">1145</span> /**<a name="line.1145"></a> |
| <span class="sourceLineNo">1146</span> * Filter for HFileLinks (StoreFiles and HFiles not included).<a name="line.1146"></a> |
| <span class="sourceLineNo">1147</span> * the filter itself does not consider if a link is file or not.<a name="line.1147"></a> |
| <span class="sourceLineNo">1148</span> */<a name="line.1148"></a> |
| <span class="sourceLineNo">1149</span> public static class HFileLinkFilter implements PathFilter {<a name="line.1149"></a> |
| <span class="sourceLineNo">1150</span><a name="line.1150"></a> |
| <span class="sourceLineNo">1151</span> @Override<a name="line.1151"></a> |
| <span class="sourceLineNo">1152</span> public boolean accept(Path p) {<a name="line.1152"></a> |
| <span class="sourceLineNo">1153</span> return HFileLink.isHFileLink(p);<a name="line.1153"></a> |
| <span class="sourceLineNo">1154</span> }<a name="line.1154"></a> |
| <span class="sourceLineNo">1155</span> }<a name="line.1155"></a> |
| <span class="sourceLineNo">1156</span><a name="line.1156"></a> |
| <span class="sourceLineNo">1157</span> public static class ReferenceFileFilter extends AbstractFileStatusFilter {<a name="line.1157"></a> |
| <span class="sourceLineNo">1158</span><a name="line.1158"></a> |
| <span class="sourceLineNo">1159</span> private final FileSystem fs;<a name="line.1159"></a> |
| <span class="sourceLineNo">1160</span><a name="line.1160"></a> |
| <span class="sourceLineNo">1161</span> public ReferenceFileFilter(FileSystem fs) {<a name="line.1161"></a> |
| <span class="sourceLineNo">1162</span> this.fs = fs;<a name="line.1162"></a> |
| <span class="sourceLineNo">1163</span> }<a name="line.1163"></a> |
| <span class="sourceLineNo">1164</span><a name="line.1164"></a> |
| <span class="sourceLineNo">1165</span> @Override<a name="line.1165"></a> |
| <span class="sourceLineNo">1166</span> protected boolean accept(Path p, @CheckForNull Boolean isDir) {<a name="line.1166"></a> |
| <span class="sourceLineNo">1167</span> if (!StoreFileInfo.isReference(p)) {<a name="line.1167"></a> |
| <span class="sourceLineNo">1168</span> return false;<a name="line.1168"></a> |
| <span class="sourceLineNo">1169</span> }<a name="line.1169"></a> |
| <span class="sourceLineNo">1170</span><a name="line.1170"></a> |
| <span class="sourceLineNo">1171</span> try {<a name="line.1171"></a> |
| <span class="sourceLineNo">1172</span> // only files can be references.<a name="line.1172"></a> |
| <span class="sourceLineNo">1173</span> return isFile(fs, isDir, p);<a name="line.1173"></a> |
| <span class="sourceLineNo">1174</span> } catch (IOException ioe) {<a name="line.1174"></a> |
| <span class="sourceLineNo">1175</span> // Maybe the file was moved or the fs was disconnected.<a name="line.1175"></a> |
| <span class="sourceLineNo">1176</span> LOG.warn("Skipping file " + p +" due to IOException", ioe);<a name="line.1176"></a> |
| <span class="sourceLineNo">1177</span> return false;<a name="line.1177"></a> |
| <span class="sourceLineNo">1178</span> }<a name="line.1178"></a> |
| <span class="sourceLineNo">1179</span> }<a name="line.1179"></a> |
| <span class="sourceLineNo">1180</span> }<a name="line.1180"></a> |
| <span class="sourceLineNo">1181</span><a name="line.1181"></a> |
| <span class="sourceLineNo">1182</span> /**<a name="line.1182"></a> |
| <span class="sourceLineNo">1183</span> * Runs through the HBase rootdir/tablename and creates a reverse lookup map for<a name="line.1183"></a> |
| <span class="sourceLineNo">1184</span> * table StoreFile names to the full Path.<a name="line.1184"></a> |
| <span class="sourceLineNo">1185</span> * <br><a name="line.1185"></a> |
| <span class="sourceLineNo">1186</span> * Example...<br><a name="line.1186"></a> |
| <span class="sourceLineNo">1187</span> * Key = 3944417774205889744 <br><a name="line.1187"></a> |
| <span class="sourceLineNo">1188</span> * Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744<a name="line.1188"></a> |
| <span class="sourceLineNo">1189</span> *<a name="line.1189"></a> |
| <span class="sourceLineNo">1190</span> * @param map map to add values. If null, this method will create and populate one to return<a name="line.1190"></a> |
| <span class="sourceLineNo">1191</span> * @param fs The file system to use.<a name="line.1191"></a> |
| <span class="sourceLineNo">1192</span> * @param hbaseRootDir The root directory to scan.<a name="line.1192"></a> |
| <span class="sourceLineNo">1193</span> * @param tableName name of the table to scan.<a name="line.1193"></a> |
| <span class="sourceLineNo">1194</span> * @return Map keyed by StoreFile name with a value of the full Path.<a name="line.1194"></a> |
| <span class="sourceLineNo">1195</span> * @throws IOException When scanning the directory fails.<a name="line.1195"></a> |
| <span class="sourceLineNo">1196</span> * @throws InterruptedException<a name="line.1196"></a> |
| <span class="sourceLineNo">1197</span> */<a name="line.1197"></a> |
| <span class="sourceLineNo">1198</span> public static Map<String, Path> getTableStoreFilePathMap(Map<String, Path> map,<a name="line.1198"></a> |
| <span class="sourceLineNo">1199</span> final FileSystem fs, final Path hbaseRootDir, TableName tableName)<a name="line.1199"></a> |
| <span class="sourceLineNo">1200</span> throws IOException, InterruptedException {<a name="line.1200"></a> |
| <span class="sourceLineNo">1201</span> return getTableStoreFilePathMap(map, fs, hbaseRootDir, tableName, null, null, null);<a name="line.1201"></a> |
| <span class="sourceLineNo">1202</span> }<a name="line.1202"></a> |
| <span class="sourceLineNo">1203</span><a name="line.1203"></a> |
| <span class="sourceLineNo">1204</span> /**<a name="line.1204"></a> |
| <span class="sourceLineNo">1205</span> * Runs through the HBase rootdir/tablename and creates a reverse lookup map for<a name="line.1205"></a> |
| <span class="sourceLineNo">1206</span> * table StoreFile names to the full Path. Note that because this method can be called<a name="line.1206"></a> |
| <span class="sourceLineNo">1207</span> * on a 'live' HBase system that we will skip files that no longer exist by the time<a name="line.1207"></a> |
| <span class="sourceLineNo">1208</span> * we traverse them and similarly the user of the result needs to consider that some<a name="line.1208"></a> |
| <span class="sourceLineNo">1209</span> * entries in this map may not exist by the time this call completes.<a name="line.1209"></a> |
| <span class="sourceLineNo">1210</span> * <br><a name="line.1210"></a> |
| <span class="sourceLineNo">1211</span> * Example...<br><a name="line.1211"></a> |
| <span class="sourceLineNo">1212</span> * Key = 3944417774205889744 <br><a name="line.1212"></a> |
| <span class="sourceLineNo">1213</span> * Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744<a name="line.1213"></a> |
| <span class="sourceLineNo">1214</span> *<a name="line.1214"></a> |
| <span class="sourceLineNo">1215</span> * @param resultMap map to add values. If null, this method will create and populate one to return<a name="line.1215"></a> |
| <span class="sourceLineNo">1216</span> * @param fs The file system to use.<a name="line.1216"></a> |
| <span class="sourceLineNo">1217</span> * @param hbaseRootDir The root directory to scan.<a name="line.1217"></a> |
| <span class="sourceLineNo">1218</span> * @param tableName name of the table to scan.<a name="line.1218"></a> |
| <span class="sourceLineNo">1219</span> * @param sfFilter optional path filter to apply to store files<a name="line.1219"></a> |
| <span class="sourceLineNo">1220</span> * @param executor optional executor service to parallelize this operation<a name="line.1220"></a> |
| <span class="sourceLineNo">1221</span> * @param errors ErrorReporter instance or null<a name="line.1221"></a> |
| <span class="sourceLineNo">1222</span> * @return Map keyed by StoreFile name with a value of the full Path.<a name="line.1222"></a> |
| <span class="sourceLineNo">1223</span> * @throws IOException When scanning the directory fails.<a name="line.1223"></a> |
| <span class="sourceLineNo">1224</span> * @throws InterruptedException<a name="line.1224"></a> |
| <span class="sourceLineNo">1225</span> */<a name="line.1225"></a> |
| <span class="sourceLineNo">1226</span> public static Map<String, Path> getTableStoreFilePathMap(Map<String, Path> resultMap,<a name="line.1226"></a> |
| <span class="sourceLineNo">1227</span> final FileSystem fs, final Path hbaseRootDir, TableName tableName, final PathFilter sfFilter,<a name="line.1227"></a> |
| <span class="sourceLineNo">1228</span> ExecutorService executor, final HbckErrorReporter errors)<a name="line.1228"></a> |
| <span class="sourceLineNo">1229</span> throws IOException, InterruptedException {<a name="line.1229"></a> |
| <span class="sourceLineNo">1230</span><a name="line.1230"></a> |
| <span class="sourceLineNo">1231</span> final Map<String, Path> finalResultMap =<a name="line.1231"></a> |
| <span class="sourceLineNo">1232</span> resultMap == null ? new ConcurrentHashMap<>(128, 0.75f, 32) : resultMap;<a name="line.1232"></a> |
| <span class="sourceLineNo">1233</span><a name="line.1233"></a> |
| <span class="sourceLineNo">1234</span> // only include the directory paths to tables<a name="line.1234"></a> |
| <span class="sourceLineNo">1235</span> Path tableDir = FSUtils.getTableDir(hbaseRootDir, tableName);<a name="line.1235"></a> |
| <span class="sourceLineNo">1236</span> // Inside a table, there are compaction.dir directories to skip. Otherwise, all else<a name="line.1236"></a> |
| <span class="sourceLineNo">1237</span> // should be regions.<a name="line.1237"></a> |
| <span class="sourceLineNo">1238</span> final FamilyDirFilter familyFilter = new FamilyDirFilter(fs);<a name="line.1238"></a> |
| <span class="sourceLineNo">1239</span> final Vector<Exception> exceptions = new Vector<>();<a name="line.1239"></a> |
| <span class="sourceLineNo">1240</span><a name="line.1240"></a> |
| <span class="sourceLineNo">1241</span> try {<a name="line.1241"></a> |
| <span class="sourceLineNo">1242</span> List<FileStatus> regionDirs = FSUtils.listStatusWithStatusFilter(fs, tableDir, new RegionDirFilter(fs));<a name="line.1242"></a> |
| <span class="sourceLineNo">1243</span> if (regionDirs == null) {<a name="line.1243"></a> |
| <span class="sourceLineNo">1244</span> return finalResultMap;<a name="line.1244"></a> |
| <span class="sourceLineNo">1245</span> }<a name="line.1245"></a> |
| <span class="sourceLineNo">1246</span><a name="line.1246"></a> |
| <span class="sourceLineNo">1247</span> final List<Future<?>> futures = new ArrayList<>(regionDirs.size());<a name="line.1247"></a> |
| <span class="sourceLineNo">1248</span><a name="line.1248"></a> |
| <span class="sourceLineNo">1249</span> for (FileStatus regionDir : regionDirs) {<a name="line.1249"></a> |
| <span class="sourceLineNo">1250</span> if (null != errors) {<a name="line.1250"></a> |
| <span class="sourceLineNo">1251</span> errors.progress();<a name="line.1251"></a> |
| <span class="sourceLineNo">1252</span> }<a name="line.1252"></a> |
| <span class="sourceLineNo">1253</span> final Path dd = regionDir.getPath();<a name="line.1253"></a> |
| <span class="sourceLineNo">1254</span><a name="line.1254"></a> |
| <span class="sourceLineNo">1255</span> if (!exceptions.isEmpty()) {<a name="line.1255"></a> |
| <span class="sourceLineNo">1256</span> break;<a name="line.1256"></a> |
| <span class="sourceLineNo">1257</span> }<a name="line.1257"></a> |
| <span class="sourceLineNo">1258</span><a name="line.1258"></a> |
| <span class="sourceLineNo">1259</span> Runnable getRegionStoreFileMapCall = new Runnable() {<a name="line.1259"></a> |
| <span class="sourceLineNo">1260</span> @Override<a name="line.1260"></a> |
| <span class="sourceLineNo">1261</span> public void run() {<a name="line.1261"></a> |
| <span class="sourceLineNo">1262</span> try {<a name="line.1262"></a> |
| <span class="sourceLineNo">1263</span> HashMap<String,Path> regionStoreFileMap = new HashMap<>();<a name="line.1263"></a> |
| <span class="sourceLineNo">1264</span> List<FileStatus> familyDirs = FSUtils.listStatusWithStatusFilter(fs, dd, familyFilter);<a name="line.1264"></a> |
| <span class="sourceLineNo">1265</span> if (familyDirs == null) {<a name="line.1265"></a> |
| <span class="sourceLineNo">1266</span> if (!fs.exists(dd)) {<a name="line.1266"></a> |
| <span class="sourceLineNo">1267</span> LOG.warn("Skipping region because it no longer exists: " + dd);<a name="line.1267"></a> |
| <span class="sourceLineNo">1268</span> } else {<a name="line.1268"></a> |
| <span class="sourceLineNo">1269</span> LOG.warn("Skipping region because it has no family dirs: " + dd);<a name="line.1269"></a> |
| <span class="sourceLineNo">1270</span> }<a name="line.1270"></a> |
| <span class="sourceLineNo">1271</span> return;<a name="line.1271"></a> |
| <span class="sourceLineNo">1272</span> }<a name="line.1272"></a> |
| <span class="sourceLineNo">1273</span> for (FileStatus familyDir : familyDirs) {<a name="line.1273"></a> |
| <span class="sourceLineNo">1274</span> if (null != errors) {<a name="line.1274"></a> |
| <span class="sourceLineNo">1275</span> errors.progress();<a name="line.1275"></a> |
| <span class="sourceLineNo">1276</span> }<a name="line.1276"></a> |
| <span class="sourceLineNo">1277</span> Path family = familyDir.getPath();<a name="line.1277"></a> |
| <span class="sourceLineNo">1278</span> if (family.getName().equals(HConstants.RECOVERED_EDITS_DIR)) {<a name="line.1278"></a> |
| <span class="sourceLineNo">1279</span> continue;<a name="line.1279"></a> |
| <span class="sourceLineNo">1280</span> }<a name="line.1280"></a> |
| <span class="sourceLineNo">1281</span> // now in family, iterate over the StoreFiles and<a name="line.1281"></a> |
| <span class="sourceLineNo">1282</span> // put in map<a name="line.1282"></a> |
| <span class="sourceLineNo">1283</span> FileStatus[] familyStatus = fs.listStatus(family);<a name="line.1283"></a> |
| <span class="sourceLineNo">1284</span> for (FileStatus sfStatus : familyStatus) {<a name="line.1284"></a> |
| <span class="sourceLineNo">1285</span> if (null != errors) {<a name="line.1285"></a> |
| <span class="sourceLineNo">1286</span> errors.progress();<a name="line.1286"></a> |
| <span class="sourceLineNo">1287</span> }<a name="line.1287"></a> |
| <span class="sourceLineNo">1288</span> Path sf = sfStatus.getPath();<a name="line.1288"></a> |
| <span class="sourceLineNo">1289</span> if (sfFilter == null || sfFilter.accept(sf)) {<a name="line.1289"></a> |
| <span class="sourceLineNo">1290</span> regionStoreFileMap.put( sf.getName(), sf);<a name="line.1290"></a> |
| <span class="sourceLineNo">1291</span> }<a name="line.1291"></a> |
| <span class="sourceLineNo">1292</span> }<a name="line.1292"></a> |
| <span class="sourceLineNo">1293</span> }<a name="line.1293"></a> |
| <span class="sourceLineNo">1294</span> finalResultMap.putAll(regionStoreFileMap);<a name="line.1294"></a> |
| <span class="sourceLineNo">1295</span> } catch (Exception e) {<a name="line.1295"></a> |
| <span class="sourceLineNo">1296</span> LOG.error("Could not get region store file map for region: " + dd, e);<a name="line.1296"></a> |
| <span class="sourceLineNo">1297</span> exceptions.add(e);<a name="line.1297"></a> |
| <span class="sourceLineNo">1298</span> }<a name="line.1298"></a> |
| <span class="sourceLineNo">1299</span> }<a name="line.1299"></a> |
| <span class="sourceLineNo">1300</span> };<a name="line.1300"></a> |
| <span class="sourceLineNo">1301</span><a name="line.1301"></a> |
| <span class="sourceLineNo">1302</span> // If executor is available, submit async tasks to exec concurrently, otherwise<a name="line.1302"></a> |
| <span class="sourceLineNo">1303</span> // just do serial sync execution<a name="line.1303"></a> |
| <span class="sourceLineNo">1304</span> if (executor != null) {<a name="line.1304"></a> |
| <span class="sourceLineNo">1305</span> Future<?> future = executor.submit(getRegionStoreFileMapCall);<a name="line.1305"></a> |
| <span class="sourceLineNo">1306</span> futures.add(future);<a name="line.1306"></a> |
| <span class="sourceLineNo">1307</span> } else {<a name="line.1307"></a> |
| <span class="sourceLineNo">1308</span> FutureTask<?> future = new FutureTask<>(getRegionStoreFileMapCall, null);<a name="line.1308"></a> |
| <span class="sourceLineNo">1309</span> future.run();<a name="line.1309"></a> |
| <span class="sourceLineNo">1310</span> futures.add(future);<a name="line.1310"></a> |
| <span class="sourceLineNo">1311</span> }<a name="line.1311"></a> |
| <span class="sourceLineNo">1312</span> }<a name="line.1312"></a> |
| <span class="sourceLineNo">1313</span><a name="line.1313"></a> |
| <span class="sourceLineNo">1314</span> // Ensure all pending tasks are complete (or that we run into an exception)<a name="line.1314"></a> |
| <span class="sourceLineNo">1315</span> for (Future<?> f : futures) {<a name="line.1315"></a> |
| <span class="sourceLineNo">1316</span> if (!exceptions.isEmpty()) {<a name="line.1316"></a> |
| <span class="sourceLineNo">1317</span> break;<a name="line.1317"></a> |
| <span class="sourceLineNo">1318</span> }<a name="line.1318"></a> |
| <span class="sourceLineNo">1319</span> try {<a name="line.1319"></a> |
| <span class="sourceLineNo">1320</span> f.get();<a name="line.1320"></a> |
| <span class="sourceLineNo">1321</span> } catch (ExecutionException e) {<a name="line.1321"></a> |
| <span class="sourceLineNo">1322</span> LOG.error("Unexpected exec exception! Should've been caught already. (Bug?)", e);<a name="line.1322"></a> |
| <span class="sourceLineNo">1323</span> // Shouldn't happen, we already logged/caught any exceptions in the Runnable<a name="line.1323"></a> |
| <span class="sourceLineNo">1324</span> }<a name="line.1324"></a> |
| <span class="sourceLineNo">1325</span> }<a name="line.1325"></a> |
| <span class="sourceLineNo">1326</span> } catch (IOException e) {<a name="line.1326"></a> |
| <span class="sourceLineNo">1327</span> LOG.error("Cannot execute getTableStoreFilePathMap for " + tableName, e);<a name="line.1327"></a> |
| <span class="sourceLineNo">1328</span> exceptions.add(e);<a name="line.1328"></a> |
| <span class="sourceLineNo">1329</span> } finally {<a name="line.1329"></a> |
| <span class="sourceLineNo">1330</span> if (!exceptions.isEmpty()) {<a name="line.1330"></a> |
| <span class="sourceLineNo">1331</span> // Just throw the first exception as an indication something bad happened<a name="line.1331"></a> |
| <span class="sourceLineNo">1332</span> // Don't need to propagate all the exceptions, we already logged them all anyway<a name="line.1332"></a> |
| <span class="sourceLineNo">1333</span> Throwables.propagateIfInstanceOf(exceptions.firstElement(), IOException.class);<a name="line.1333"></a> |
| <span class="sourceLineNo">1334</span> throw Throwables.propagate(exceptions.firstElement());<a name="line.1334"></a> |
| <span class="sourceLineNo">1335</span> }<a name="line.1335"></a> |
| <span class="sourceLineNo">1336</span> }<a name="line.1336"></a> |
| <span class="sourceLineNo">1337</span><a name="line.1337"></a> |
| <span class="sourceLineNo">1338</span> return finalResultMap;<a name="line.1338"></a> |
| <span class="sourceLineNo">1339</span> }<a name="line.1339"></a> |
| <span class="sourceLineNo">1340</span><a name="line.1340"></a> |
| <span class="sourceLineNo">1341</span> public static int getRegionReferenceFileCount(final FileSystem fs, final Path p) {<a name="line.1341"></a> |
| <span class="sourceLineNo">1342</span> int result = 0;<a name="line.1342"></a> |
| <span class="sourceLineNo">1343</span> try {<a name="line.1343"></a> |
| <span class="sourceLineNo">1344</span> for (Path familyDir:getFamilyDirs(fs, p)){<a name="line.1344"></a> |
| <span class="sourceLineNo">1345</span> result += getReferenceFilePaths(fs, familyDir).size();<a name="line.1345"></a> |
| <span class="sourceLineNo">1346</span> }<a name="line.1346"></a> |
| <span class="sourceLineNo">1347</span> } catch (IOException e) {<a name="line.1347"></a> |
| <span class="sourceLineNo">1348</span> LOG.warn("Error Counting reference files.", e);<a name="line.1348"></a> |
| <span class="sourceLineNo">1349</span> }<a name="line.1349"></a> |
| <span class="sourceLineNo">1350</span> return result;<a name="line.1350"></a> |
| <span class="sourceLineNo">1351</span> }<a name="line.1351"></a> |
| <span class="sourceLineNo">1352</span><a name="line.1352"></a> |
| <span class="sourceLineNo">1353</span> /**<a name="line.1353"></a> |
| <span class="sourceLineNo">1354</span> * Runs through the HBase rootdir and creates a reverse lookup map for<a name="line.1354"></a> |
| <span class="sourceLineNo">1355</span> * table StoreFile names to the full Path.<a name="line.1355"></a> |
| <span class="sourceLineNo">1356</span> * <br><a name="line.1356"></a> |
| <span class="sourceLineNo">1357</span> * Example...<br><a name="line.1357"></a> |
| <span class="sourceLineNo">1358</span> * Key = 3944417774205889744 <br><a name="line.1358"></a> |
| <span class="sourceLineNo">1359</span> * Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744<a name="line.1359"></a> |
| <span class="sourceLineNo">1360</span> *<a name="line.1360"></a> |
| <span class="sourceLineNo">1361</span> * @param fs The file system to use.<a name="line.1361"></a> |
| <span class="sourceLineNo">1362</span> * @param hbaseRootDir The root directory to scan.<a name="line.1362"></a> |
| <span class="sourceLineNo">1363</span> * @return Map keyed by StoreFile name with a value of the full Path.<a name="line.1363"></a> |
| <span class="sourceLineNo">1364</span> * @throws IOException When scanning the directory fails.<a name="line.1364"></a> |
| <span class="sourceLineNo">1365</span> * @throws InterruptedException<a name="line.1365"></a> |
| <span class="sourceLineNo">1366</span> */<a name="line.1366"></a> |
| <span class="sourceLineNo">1367</span> public static Map<String, Path> getTableStoreFilePathMap(<a name="line.1367"></a> |
| <span class="sourceLineNo">1368</span> final FileSystem fs, final Path hbaseRootDir)<a name="line.1368"></a> |
| <span class="sourceLineNo">1369</span> throws IOException, InterruptedException {<a name="line.1369"></a> |
| <span class="sourceLineNo">1370</span> return getTableStoreFilePathMap(fs, hbaseRootDir, null, null, null);<a name="line.1370"></a> |
| <span class="sourceLineNo">1371</span> }<a name="line.1371"></a> |
| <span class="sourceLineNo">1372</span><a name="line.1372"></a> |
| <span class="sourceLineNo">1373</span> /**<a name="line.1373"></a> |
| <span class="sourceLineNo">1374</span> * Runs through the HBase rootdir and creates a reverse lookup map for<a name="line.1374"></a> |
| <span class="sourceLineNo">1375</span> * table StoreFile names to the full Path.<a name="line.1375"></a> |
| <span class="sourceLineNo">1376</span> * <br><a name="line.1376"></a> |
| <span class="sourceLineNo">1377</span> * Example...<br><a name="line.1377"></a> |
| <span class="sourceLineNo">1378</span> * Key = 3944417774205889744 <br><a name="line.1378"></a> |
| <span class="sourceLineNo">1379</span> * Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744<a name="line.1379"></a> |
| <span class="sourceLineNo">1380</span> *<a name="line.1380"></a> |
| <span class="sourceLineNo">1381</span> * @param fs The file system to use.<a name="line.1381"></a> |
| <span class="sourceLineNo">1382</span> * @param hbaseRootDir The root directory to scan.<a name="line.1382"></a> |
| <span class="sourceLineNo">1383</span> * @param sfFilter optional path filter to apply to store files<a name="line.1383"></a> |
| <span class="sourceLineNo">1384</span> * @param executor optional executor service to parallelize this operation<a name="line.1384"></a> |
| <span class="sourceLineNo">1385</span> * @param errors ErrorReporter instance or null<a name="line.1385"></a> |
| <span class="sourceLineNo">1386</span> * @return Map keyed by StoreFile name with a value of the full Path.<a name="line.1386"></a> |
| <span class="sourceLineNo">1387</span> * @throws IOException When scanning the directory fails.<a name="line.1387"></a> |
| <span class="sourceLineNo">1388</span> * @throws InterruptedException<a name="line.1388"></a> |
| <span class="sourceLineNo">1389</span> */<a name="line.1389"></a> |
| <span class="sourceLineNo">1390</span> public static Map<String, Path> getTableStoreFilePathMap(<a name="line.1390"></a> |
| <span class="sourceLineNo">1391</span> final FileSystem fs, final Path hbaseRootDir, PathFilter sfFilter,<a name="line.1391"></a> |
| <span class="sourceLineNo">1392</span> ExecutorService executor, HbckErrorReporter errors)<a name="line.1392"></a> |
| <span class="sourceLineNo">1393</span> throws IOException, InterruptedException {<a name="line.1393"></a> |
| <span class="sourceLineNo">1394</span> ConcurrentHashMap<String, Path> map = new ConcurrentHashMap<>(1024, 0.75f, 32);<a name="line.1394"></a> |
| <span class="sourceLineNo">1395</span><a name="line.1395"></a> |
| <span class="sourceLineNo">1396</span> // if this method looks similar to 'getTableFragmentation' that is because<a name="line.1396"></a> |
| <span class="sourceLineNo">1397</span> // it was borrowed from it.<a name="line.1397"></a> |
| <span class="sourceLineNo">1398</span><a name="line.1398"></a> |
| <span class="sourceLineNo">1399</span> // only include the directory paths to tables<a name="line.1399"></a> |
| <span class="sourceLineNo">1400</span> for (Path tableDir : FSUtils.getTableDirs(fs, hbaseRootDir)) {<a name="line.1400"></a> |
| <span class="sourceLineNo">1401</span> getTableStoreFilePathMap(map, fs, hbaseRootDir,<a name="line.1401"></a> |
| <span class="sourceLineNo">1402</span> FSUtils.getTableName(tableDir), sfFilter, executor, errors);<a name="line.1402"></a> |
| <span class="sourceLineNo">1403</span> }<a name="line.1403"></a> |
| <span class="sourceLineNo">1404</span> return map;<a name="line.1404"></a> |
| <span class="sourceLineNo">1405</span> }<a name="line.1405"></a> |
| <span class="sourceLineNo">1406</span><a name="line.1406"></a> |
| <span class="sourceLineNo">1407</span> /**<a name="line.1407"></a> |
| <span class="sourceLineNo">1408</span> * Filters FileStatuses in an array and returns a list<a name="line.1408"></a> |
| <span class="sourceLineNo">1409</span> *<a name="line.1409"></a> |
| <span class="sourceLineNo">1410</span> * @param input An array of FileStatuses<a name="line.1410"></a> |
| <span class="sourceLineNo">1411</span> * @param filter A required filter to filter the array<a name="line.1411"></a> |
| <span class="sourceLineNo">1412</span> * @return A list of FileStatuses<a name="line.1412"></a> |
| <span class="sourceLineNo">1413</span> */<a name="line.1413"></a> |
| <span class="sourceLineNo">1414</span> public static List<FileStatus> filterFileStatuses(FileStatus[] input,<a name="line.1414"></a> |
| <span class="sourceLineNo">1415</span> FileStatusFilter filter) {<a name="line.1415"></a> |
| <span class="sourceLineNo">1416</span> if (input == null) return null;<a name="line.1416"></a> |
| <span class="sourceLineNo">1417</span> return filterFileStatuses(Iterators.forArray(input), filter);<a name="line.1417"></a> |
| <span class="sourceLineNo">1418</span> }<a name="line.1418"></a> |
| <span class="sourceLineNo">1419</span><a name="line.1419"></a> |
| <span class="sourceLineNo">1420</span> /**<a name="line.1420"></a> |
| <span class="sourceLineNo">1421</span> * Filters FileStatuses in an iterator and returns a list<a name="line.1421"></a> |
| <span class="sourceLineNo">1422</span> *<a name="line.1422"></a> |
| <span class="sourceLineNo">1423</span> * @param input An iterator of FileStatuses<a name="line.1423"></a> |
| <span class="sourceLineNo">1424</span> * @param filter A required filter to filter the array<a name="line.1424"></a> |
| <span class="sourceLineNo">1425</span> * @return A list of FileStatuses<a name="line.1425"></a> |
| <span class="sourceLineNo">1426</span> */<a name="line.1426"></a> |
| <span class="sourceLineNo">1427</span> public static List<FileStatus> filterFileStatuses(Iterator<FileStatus> input,<a name="line.1427"></a> |
| <span class="sourceLineNo">1428</span> FileStatusFilter filter) {<a name="line.1428"></a> |
| <span class="sourceLineNo">1429</span> if (input == null) return null;<a name="line.1429"></a> |
| <span class="sourceLineNo">1430</span> ArrayList<FileStatus> results = new ArrayList<>();<a name="line.1430"></a> |
| <span class="sourceLineNo">1431</span> while (input.hasNext()) {<a name="line.1431"></a> |
| <span class="sourceLineNo">1432</span> FileStatus f = input.next();<a name="line.1432"></a> |
| <span class="sourceLineNo">1433</span> if (filter.accept(f)) {<a name="line.1433"></a> |
| <span class="sourceLineNo">1434</span> results.add(f);<a name="line.1434"></a> |
| <span class="sourceLineNo">1435</span> }<a name="line.1435"></a> |
| <span class="sourceLineNo">1436</span> }<a name="line.1436"></a> |
| <span class="sourceLineNo">1437</span> return results;<a name="line.1437"></a> |
| <span class="sourceLineNo">1438</span> }<a name="line.1438"></a> |
| <span class="sourceLineNo">1439</span><a name="line.1439"></a> |
| <span class="sourceLineNo">1440</span> /**<a name="line.1440"></a> |
| <span class="sourceLineNo">1441</span> * Calls fs.listStatus() and treats FileNotFoundException as non-fatal<a name="line.1441"></a> |
| <span class="sourceLineNo">1442</span> * This accommodates differences between hadoop versions, where hadoop 1<a name="line.1442"></a> |
| <span class="sourceLineNo">1443</span> * does not throw a FileNotFoundException, and return an empty FileStatus[]<a name="line.1443"></a> |
| <span class="sourceLineNo">1444</span> * while Hadoop 2 will throw FileNotFoundException.<a name="line.1444"></a> |
| <span class="sourceLineNo">1445</span> *<a name="line.1445"></a> |
| <span class="sourceLineNo">1446</span> * @param fs file system<a name="line.1446"></a> |
| <span class="sourceLineNo">1447</span> * @param dir directory<a name="line.1447"></a> |
| <span class="sourceLineNo">1448</span> * @param filter file status filter<a name="line.1448"></a> |
| <span class="sourceLineNo">1449</span> * @return null if dir is empty or doesn't exist, otherwise FileStatus list<a name="line.1449"></a> |
| <span class="sourceLineNo">1450</span> */<a name="line.1450"></a> |
| <span class="sourceLineNo">1451</span> public static List<FileStatus> listStatusWithStatusFilter(final FileSystem fs,<a name="line.1451"></a> |
| <span class="sourceLineNo">1452</span> final Path dir, final FileStatusFilter filter) throws IOException {<a name="line.1452"></a> |
| <span class="sourceLineNo">1453</span> FileStatus [] status = null;<a name="line.1453"></a> |
| <span class="sourceLineNo">1454</span> try {<a name="line.1454"></a> |
| <span class="sourceLineNo">1455</span> status = fs.listStatus(dir);<a name="line.1455"></a> |
| <span class="sourceLineNo">1456</span> } catch (FileNotFoundException fnfe) {<a name="line.1456"></a> |
| <span class="sourceLineNo">1457</span> // if directory doesn't exist, return null<a name="line.1457"></a> |
| <span class="sourceLineNo">1458</span> if (LOG.isTraceEnabled()) {<a name="line.1458"></a> |
| <span class="sourceLineNo">1459</span> LOG.trace(dir + " doesn't exist");<a name="line.1459"></a> |
| <span class="sourceLineNo">1460</span> }<a name="line.1460"></a> |
| <span class="sourceLineNo">1461</span> }<a name="line.1461"></a> |
| <span class="sourceLineNo">1462</span><a name="line.1462"></a> |
| <span class="sourceLineNo">1463</span> if (status == null || status.length < 1) {<a name="line.1463"></a> |
| <span class="sourceLineNo">1464</span> return null;<a name="line.1464"></a> |
| <span class="sourceLineNo">1465</span> }<a name="line.1465"></a> |
| <span class="sourceLineNo">1466</span><a name="line.1466"></a> |
| <span class="sourceLineNo">1467</span> if (filter == null) {<a name="line.1467"></a> |
| <span class="sourceLineNo">1468</span> return Arrays.asList(status);<a name="line.1468"></a> |
| <span class="sourceLineNo">1469</span> } else {<a name="line.1469"></a> |
| <span class="sourceLineNo">1470</span> List<FileStatus> status2 = filterFileStatuses(status, filter);<a name="line.1470"></a> |
| <span class="sourceLineNo">1471</span> if (status2 == null || status2.isEmpty()) {<a name="line.1471"></a> |
| <span class="sourceLineNo">1472</span> return null;<a name="line.1472"></a> |
| <span class="sourceLineNo">1473</span> } else {<a name="line.1473"></a> |
| <span class="sourceLineNo">1474</span> return status2;<a name="line.1474"></a> |
| <span class="sourceLineNo">1475</span> }<a name="line.1475"></a> |
| <span class="sourceLineNo">1476</span> }<a name="line.1476"></a> |
| <span class="sourceLineNo">1477</span> }<a name="line.1477"></a> |
| <span class="sourceLineNo">1478</span><a name="line.1478"></a> |
| <span class="sourceLineNo">1479</span> /**<a name="line.1479"></a> |
| <span class="sourceLineNo">1480</span> * Throw an exception if an action is not permitted by a user on a file.<a name="line.1480"></a> |
| <span class="sourceLineNo">1481</span> *<a name="line.1481"></a> |
| <span class="sourceLineNo">1482</span> * @param ugi<a name="line.1482"></a> |
| <span class="sourceLineNo">1483</span> * the user<a name="line.1483"></a> |
| <span class="sourceLineNo">1484</span> * @param file<a name="line.1484"></a> |
| <span class="sourceLineNo">1485</span> * the file<a name="line.1485"></a> |
| <span class="sourceLineNo">1486</span> * @param action<a name="line.1486"></a> |
| <span class="sourceLineNo">1487</span> * the action<a name="line.1487"></a> |
| <span class="sourceLineNo">1488</span> */<a name="line.1488"></a> |
| <span class="sourceLineNo">1489</span> public static void checkAccess(UserGroupInformation ugi, FileStatus file,<a name="line.1489"></a> |
| <span class="sourceLineNo">1490</span> FsAction action) throws AccessDeniedException {<a name="line.1490"></a> |
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| <span class="sourceLineNo">1492</span> if (file.getPermission().getUserAction().implies(action)) {<a name="line.1492"></a> |
| <span class="sourceLineNo">1493</span> return;<a name="line.1493"></a> |
| <span class="sourceLineNo">1494</span> }<a name="line.1494"></a> |
| <span class="sourceLineNo">1495</span> } else if (contains(ugi.getGroupNames(), file.getGroup())) {<a name="line.1495"></a> |
| <span class="sourceLineNo">1496</span> if (file.getPermission().getGroupAction().implies(action)) {<a name="line.1496"></a> |
| <span class="sourceLineNo">1497</span> return;<a name="line.1497"></a> |
| <span class="sourceLineNo">1498</span> }<a name="line.1498"></a> |
| <span class="sourceLineNo">1499</span> } else if (file.getPermission().getOtherAction().implies(action)) {<a name="line.1499"></a> |
| <span class="sourceLineNo">1500</span> return;<a name="line.1500"></a> |
| <span class="sourceLineNo">1501</span> }<a name="line.1501"></a> |
| <span class="sourceLineNo">1502</span> throw new AccessDeniedException("Permission denied:" + " action=" + action<a name="line.1502"></a> |
| <span class="sourceLineNo">1503</span> + " path=" + file.getPath() + " user=" + ugi.getShortUserName());<a name="line.1503"></a> |
| <span class="sourceLineNo">1504</span> }<a name="line.1504"></a> |
| <span class="sourceLineNo">1505</span><a name="line.1505"></a> |
| <span class="sourceLineNo">1506</span> private static boolean contains(String[] groups, String user) {<a name="line.1506"></a> |
| <span class="sourceLineNo">1507</span> for (String group : groups) {<a name="line.1507"></a> |
| <span class="sourceLineNo">1508</span> if (group.equals(user)) {<a name="line.1508"></a> |
| <span class="sourceLineNo">1509</span> return true;<a name="line.1509"></a> |
| <span class="sourceLineNo">1510</span> }<a name="line.1510"></a> |
| <span class="sourceLineNo">1511</span> }<a name="line.1511"></a> |
| <span class="sourceLineNo">1512</span> return false;<a name="line.1512"></a> |
| <span class="sourceLineNo">1513</span> }<a name="line.1513"></a> |
| <span class="sourceLineNo">1514</span><a name="line.1514"></a> |
| <span class="sourceLineNo">1515</span> /**<a name="line.1515"></a> |
| <span class="sourceLineNo">1516</span> * This function is to scan the root path of the file system to get the<a name="line.1516"></a> |
| <span class="sourceLineNo">1517</span> * degree of locality for each region on each of the servers having at least<a name="line.1517"></a> |
| <span class="sourceLineNo">1518</span> * one block of that region.<a name="line.1518"></a> |
| <span class="sourceLineNo">1519</span> * This is used by the tool {@link org.apache.hadoop.hbase.master.RegionPlacementMaintainer}<a name="line.1519"></a> |
| <span class="sourceLineNo">1520</span> *<a name="line.1520"></a> |
| <span class="sourceLineNo">1521</span> * @param conf<a name="line.1521"></a> |
| <span class="sourceLineNo">1522</span> * the configuration to use<a name="line.1522"></a> |
| <span class="sourceLineNo">1523</span> * @return the mapping from region encoded name to a map of server names to<a name="line.1523"></a> |
| <span class="sourceLineNo">1524</span> * locality fraction<a name="line.1524"></a> |
| <span class="sourceLineNo">1525</span> * @throws IOException<a name="line.1525"></a> |
| <span class="sourceLineNo">1526</span> * in case of file system errors or interrupts<a name="line.1526"></a> |
| <span class="sourceLineNo">1527</span> */<a name="line.1527"></a> |
| <span class="sourceLineNo">1528</span> public static Map<String, Map<String, Float>> getRegionDegreeLocalityMappingFromFS(<a name="line.1528"></a> |
| <span class="sourceLineNo">1529</span> final Configuration conf) throws IOException {<a name="line.1529"></a> |
| <span class="sourceLineNo">1530</span> return getRegionDegreeLocalityMappingFromFS(<a name="line.1530"></a> |
| <span class="sourceLineNo">1531</span> conf, null,<a name="line.1531"></a> |
| <span class="sourceLineNo">1532</span> conf.getInt(THREAD_POOLSIZE, DEFAULT_THREAD_POOLSIZE));<a name="line.1532"></a> |
| <span class="sourceLineNo">1533</span><a name="line.1533"></a> |
| <span class="sourceLineNo">1534</span> }<a name="line.1534"></a> |
| <span class="sourceLineNo">1535</span><a name="line.1535"></a> |
| <span class="sourceLineNo">1536</span> /**<a name="line.1536"></a> |
| <span class="sourceLineNo">1537</span> * This function is to scan the root path of the file system to get the<a name="line.1537"></a> |
| <span class="sourceLineNo">1538</span> * degree of locality for each region on each of the servers having at least<a name="line.1538"></a> |
| <span class="sourceLineNo">1539</span> * one block of that region.<a name="line.1539"></a> |
| <span class="sourceLineNo">1540</span> *<a name="line.1540"></a> |
| <span class="sourceLineNo">1541</span> * @param conf<a name="line.1541"></a> |
| <span class="sourceLineNo">1542</span> * the configuration to use<a name="line.1542"></a> |
| <span class="sourceLineNo">1543</span> * @param desiredTable<a name="line.1543"></a> |
| <span class="sourceLineNo">1544</span> * the table you wish to scan locality for<a name="line.1544"></a> |
| <span class="sourceLineNo">1545</span> * @param threadPoolSize<a name="line.1545"></a> |
| <span class="sourceLineNo">1546</span> * the thread pool size to use<a name="line.1546"></a> |
| <span class="sourceLineNo">1547</span> * @return the mapping from region encoded name to a map of server names to<a name="line.1547"></a> |
| <span class="sourceLineNo">1548</span> * locality fraction<a name="line.1548"></a> |
| <span class="sourceLineNo">1549</span> * @throws IOException<a name="line.1549"></a> |
| <span class="sourceLineNo">1550</span> * in case of file system errors or interrupts<a name="line.1550"></a> |
| <span class="sourceLineNo">1551</span> */<a name="line.1551"></a> |
| <span class="sourceLineNo">1552</span> public static Map<String, Map<String, Float>> getRegionDegreeLocalityMappingFromFS(<a name="line.1552"></a> |
| <span class="sourceLineNo">1553</span> final Configuration conf, final String desiredTable, int threadPoolSize)<a name="line.1553"></a> |
| <span class="sourceLineNo">1554</span> throws IOException {<a name="line.1554"></a> |
| <span class="sourceLineNo">1555</span> Map<String, Map<String, Float>> regionDegreeLocalityMapping = new ConcurrentHashMap<>();<a name="line.1555"></a> |
| <span class="sourceLineNo">1556</span> getRegionLocalityMappingFromFS(conf, desiredTable, threadPoolSize, null,<a name="line.1556"></a> |
| <span class="sourceLineNo">1557</span> regionDegreeLocalityMapping);<a name="line.1557"></a> |
| <span class="sourceLineNo">1558</span> return regionDegreeLocalityMapping;<a name="line.1558"></a> |
| <span class="sourceLineNo">1559</span> }<a name="line.1559"></a> |
| <span class="sourceLineNo">1560</span><a name="line.1560"></a> |
| <span class="sourceLineNo">1561</span> /**<a name="line.1561"></a> |
| <span class="sourceLineNo">1562</span> * This function is to scan the root path of the file system to get either the<a name="line.1562"></a> |
| <span class="sourceLineNo">1563</span> * mapping between the region name and its best locality region server or the<a name="line.1563"></a> |
| <span class="sourceLineNo">1564</span> * degree of locality of each region on each of the servers having at least<a name="line.1564"></a> |
| <span class="sourceLineNo">1565</span> * one block of that region. The output map parameters are both optional.<a name="line.1565"></a> |
| <span class="sourceLineNo">1566</span> *<a name="line.1566"></a> |
| <span class="sourceLineNo">1567</span> * @param conf<a name="line.1567"></a> |
| <span class="sourceLineNo">1568</span> * the configuration to use<a name="line.1568"></a> |
| <span class="sourceLineNo">1569</span> * @param desiredTable<a name="line.1569"></a> |
| <span class="sourceLineNo">1570</span> * the table you wish to scan locality for<a name="line.1570"></a> |
| <span class="sourceLineNo">1571</span> * @param threadPoolSize<a name="line.1571"></a> |
| <span class="sourceLineNo">1572</span> * the thread pool size to use<a name="line.1572"></a> |
| <span class="sourceLineNo">1573</span> * @param regionToBestLocalityRSMapping<a name="line.1573"></a> |
| <span class="sourceLineNo">1574</span> * the map into which to put the best locality mapping or null<a name="line.1574"></a> |
| <span class="sourceLineNo">1575</span> * @param regionDegreeLocalityMapping<a name="line.1575"></a> |
| <span class="sourceLineNo">1576</span> * the map into which to put the locality degree mapping or null,<a name="line.1576"></a> |
| <span class="sourceLineNo">1577</span> * must be a thread-safe implementation<a name="line.1577"></a> |
| <span class="sourceLineNo">1578</span> * @throws IOException<a name="line.1578"></a> |
| <span class="sourceLineNo">1579</span> * in case of file system errors or interrupts<a name="line.1579"></a> |
| <span class="sourceLineNo">1580</span> */<a name="line.1580"></a> |
| <span class="sourceLineNo">1581</span> private static void getRegionLocalityMappingFromFS(<a name="line.1581"></a> |
| <span class="sourceLineNo">1582</span> final Configuration conf, final String desiredTable,<a name="line.1582"></a> |
| <span class="sourceLineNo">1583</span> int threadPoolSize,<a name="line.1583"></a> |
| <span class="sourceLineNo">1584</span> Map<String, String> regionToBestLocalityRSMapping,<a name="line.1584"></a> |
| <span class="sourceLineNo">1585</span> Map<String, Map<String, Float>> regionDegreeLocalityMapping)<a name="line.1585"></a> |
| <span class="sourceLineNo">1586</span> throws IOException {<a name="line.1586"></a> |
| <span class="sourceLineNo">1587</span> FileSystem fs = FileSystem.get(conf);<a name="line.1587"></a> |
| <span class="sourceLineNo">1588</span> Path rootPath = FSUtils.getRootDir(conf);<a name="line.1588"></a> |
| <span class="sourceLineNo">1589</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.1589"></a> |
| <span class="sourceLineNo">1590</span> Path queryPath;<a name="line.1590"></a> |
| <span class="sourceLineNo">1591</span> // The table files are in ${hbase.rootdir}/data/<namespace>/<table>/*<a name="line.1591"></a> |
| <span class="sourceLineNo">1592</span> if (null == desiredTable) {<a name="line.1592"></a> |
| <span class="sourceLineNo">1593</span> queryPath = new Path(new Path(rootPath, HConstants.BASE_NAMESPACE_DIR).toString() + "/*/*/*/");<a name="line.1593"></a> |
| <span class="sourceLineNo">1594</span> } else {<a name="line.1594"></a> |
| <span class="sourceLineNo">1595</span> queryPath = new Path(FSUtils.getTableDir(rootPath, TableName.valueOf(desiredTable)).toString() + "/*/");<a name="line.1595"></a> |
| <span class="sourceLineNo">1596</span> }<a name="line.1596"></a> |
| <span class="sourceLineNo">1597</span><a name="line.1597"></a> |
| <span class="sourceLineNo">1598</span> // reject all paths that are not appropriate<a name="line.1598"></a> |
| <span class="sourceLineNo">1599</span> PathFilter pathFilter = new PathFilter() {<a name="line.1599"></a> |
| <span class="sourceLineNo">1600</span> @Override<a name="line.1600"></a> |
| <span class="sourceLineNo">1601</span> public boolean accept(Path path) {<a name="line.1601"></a> |
| <span class="sourceLineNo">1602</span> // this is the region name; it may get some noise data<a name="line.1602"></a> |
| <span class="sourceLineNo">1603</span> if (null == path) {<a name="line.1603"></a> |
| <span class="sourceLineNo">1604</span> return false;<a name="line.1604"></a> |
| <span class="sourceLineNo">1605</span> }<a name="line.1605"></a> |
| <span class="sourceLineNo">1606</span><a name="line.1606"></a> |
| <span class="sourceLineNo">1607</span> // no parent?<a name="line.1607"></a> |
| <span class="sourceLineNo">1608</span> Path parent = path.getParent();<a name="line.1608"></a> |
| <span class="sourceLineNo">1609</span> if (null == parent) {<a name="line.1609"></a> |
| <span class="sourceLineNo">1610</span> return false;<a name="line.1610"></a> |
| <span class="sourceLineNo">1611</span> }<a name="line.1611"></a> |
| <span class="sourceLineNo">1612</span><a name="line.1612"></a> |
| <span class="sourceLineNo">1613</span> String regionName = path.getName();<a name="line.1613"></a> |
| <span class="sourceLineNo">1614</span> if (null == regionName) {<a name="line.1614"></a> |
| <span class="sourceLineNo">1615</span> return false;<a name="line.1615"></a> |
| <span class="sourceLineNo">1616</span> }<a name="line.1616"></a> |
| <span class="sourceLineNo">1617</span><a name="line.1617"></a> |
| <span class="sourceLineNo">1618</span> if (!regionName.toLowerCase(Locale.ROOT).matches("[0-9a-f]+")) {<a name="line.1618"></a> |
| <span class="sourceLineNo">1619</span> return false;<a name="line.1619"></a> |
| <span class="sourceLineNo">1620</span> }<a name="line.1620"></a> |
| <span class="sourceLineNo">1621</span> return true;<a name="line.1621"></a> |
| <span class="sourceLineNo">1622</span> }<a name="line.1622"></a> |
| <span class="sourceLineNo">1623</span> };<a name="line.1623"></a> |
| <span class="sourceLineNo">1624</span><a name="line.1624"></a> |
| <span class="sourceLineNo">1625</span> FileStatus[] statusList = fs.globStatus(queryPath, pathFilter);<a name="line.1625"></a> |
| <span class="sourceLineNo">1626</span><a name="line.1626"></a> |
| <span class="sourceLineNo">1627</span> if (null == statusList) {<a name="line.1627"></a> |
| <span class="sourceLineNo">1628</span> return;<a name="line.1628"></a> |
| <span class="sourceLineNo">1629</span> } else {<a name="line.1629"></a> |
| <span class="sourceLineNo">1630</span> LOG.debug("Query Path: " + queryPath + " ; # list of files: " +<a name="line.1630"></a> |
| <span class="sourceLineNo">1631</span> statusList.length);<a name="line.1631"></a> |
| <span class="sourceLineNo">1632</span> }<a name="line.1632"></a> |
| <span class="sourceLineNo">1633</span><a name="line.1633"></a> |
| <span class="sourceLineNo">1634</span> // lower the number of threads in case we have very few expected regions<a name="line.1634"></a> |
| <span class="sourceLineNo">1635</span> threadPoolSize = Math.min(threadPoolSize, statusList.length);<a name="line.1635"></a> |
| <span class="sourceLineNo">1636</span><a name="line.1636"></a> |
| <span class="sourceLineNo">1637</span> // run in multiple threads<a name="line.1637"></a> |
| <span class="sourceLineNo">1638</span> ThreadPoolExecutor tpe = new ThreadPoolExecutor(threadPoolSize,<a name="line.1638"></a> |
| <span class="sourceLineNo">1639</span> threadPoolSize, 60, TimeUnit.SECONDS,<a name="line.1639"></a> |
| <span class="sourceLineNo">1640</span> new ArrayBlockingQueue<>(statusList.length));<a name="line.1640"></a> |
| <span class="sourceLineNo">1641</span> try {<a name="line.1641"></a> |
| <span class="sourceLineNo">1642</span> // ignore all file status items that are not of interest<a name="line.1642"></a> |
| <span class="sourceLineNo">1643</span> for (FileStatus regionStatus : statusList) {<a name="line.1643"></a> |
| <span class="sourceLineNo">1644</span> if (null == regionStatus) {<a name="line.1644"></a> |
| <span class="sourceLineNo">1645</span> continue;<a name="line.1645"></a> |
| <span class="sourceLineNo">1646</span> }<a name="line.1646"></a> |
| <span class="sourceLineNo">1647</span><a name="line.1647"></a> |
| <span class="sourceLineNo">1648</span> if (!regionStatus.isDirectory()) {<a name="line.1648"></a> |
| <span class="sourceLineNo">1649</span> continue;<a name="line.1649"></a> |
| <span class="sourceLineNo">1650</span> }<a name="line.1650"></a> |
| <span class="sourceLineNo">1651</span><a name="line.1651"></a> |
| <span class="sourceLineNo">1652</span> Path regionPath = regionStatus.getPath();<a name="line.1652"></a> |
| <span class="sourceLineNo">1653</span> if (null == regionPath) {<a name="line.1653"></a> |
| <span class="sourceLineNo">1654</span> continue;<a name="line.1654"></a> |
| <span class="sourceLineNo">1655</span> }<a name="line.1655"></a> |
| <span class="sourceLineNo">1656</span><a name="line.1656"></a> |
| <span class="sourceLineNo">1657</span> tpe.execute(new FSRegionScanner(fs, regionPath,<a name="line.1657"></a> |
| <span class="sourceLineNo">1658</span> regionToBestLocalityRSMapping, regionDegreeLocalityMapping));<a name="line.1658"></a> |
| <span class="sourceLineNo">1659</span> }<a name="line.1659"></a> |
| <span class="sourceLineNo">1660</span> } finally {<a name="line.1660"></a> |
| <span class="sourceLineNo">1661</span> tpe.shutdown();<a name="line.1661"></a> |
| <span class="sourceLineNo">1662</span> int threadWakeFrequency = conf.getInt(HConstants.THREAD_WAKE_FREQUENCY,<a name="line.1662"></a> |
| <span class="sourceLineNo">1663</span> 60 * 1000);<a name="line.1663"></a> |
| <span class="sourceLineNo">1664</span> try {<a name="line.1664"></a> |
| <span class="sourceLineNo">1665</span> // here we wait until TPE terminates, which is either naturally or by<a name="line.1665"></a> |
| <span class="sourceLineNo">1666</span> // exceptions in the execution of the threads<a name="line.1666"></a> |
| <span class="sourceLineNo">1667</span> while (!tpe.awaitTermination(threadWakeFrequency,<a name="line.1667"></a> |
| <span class="sourceLineNo">1668</span> TimeUnit.MILLISECONDS)) {<a name="line.1668"></a> |
| <span class="sourceLineNo">1669</span> // printing out rough estimate, so as to not introduce<a name="line.1669"></a> |
| <span class="sourceLineNo">1670</span> // AtomicInteger<a name="line.1670"></a> |
| <span class="sourceLineNo">1671</span> LOG.info("Locality checking is underway: { Scanned Regions : "<a name="line.1671"></a> |
| <span class="sourceLineNo">1672</span> + tpe.getCompletedTaskCount() + "/"<a name="line.1672"></a> |
| <span class="sourceLineNo">1673</span> + tpe.getTaskCount() + " }");<a name="line.1673"></a> |
| <span class="sourceLineNo">1674</span> }<a name="line.1674"></a> |
| <span class="sourceLineNo">1675</span> } catch (InterruptedException e) {<a name="line.1675"></a> |
| <span class="sourceLineNo">1676</span> throw (InterruptedIOException)new InterruptedIOException().initCause(e);<a name="line.1676"></a> |
| <span class="sourceLineNo">1677</span> }<a name="line.1677"></a> |
| <span class="sourceLineNo">1678</span> }<a name="line.1678"></a> |
| <span class="sourceLineNo">1679</span><a name="line.1679"></a> |
| <span class="sourceLineNo">1680</span> long overhead = EnvironmentEdgeManager.currentTime() - startTime;<a name="line.1680"></a> |
| <span class="sourceLineNo">1681</span> String overheadMsg = "Scan DFS for locality info takes " + overhead + " ms";<a name="line.1681"></a> |
| <span class="sourceLineNo">1682</span><a name="line.1682"></a> |
| <span class="sourceLineNo">1683</span> LOG.info(overheadMsg);<a name="line.1683"></a> |
| <span class="sourceLineNo">1684</span> }<a name="line.1684"></a> |
| <span class="sourceLineNo">1685</span><a name="line.1685"></a> |
| <span class="sourceLineNo">1686</span> /**<a name="line.1686"></a> |
| <span class="sourceLineNo">1687</span> * Do our short circuit read setup.<a name="line.1687"></a> |
| <span class="sourceLineNo">1688</span> * Checks buffer size to use and whether to do checksumming in hbase or hdfs.<a name="line.1688"></a> |
| <span class="sourceLineNo">1689</span> * @param conf<a name="line.1689"></a> |
| <span class="sourceLineNo">1690</span> */<a name="line.1690"></a> |
| <span class="sourceLineNo">1691</span> public static void setupShortCircuitRead(final Configuration conf) {<a name="line.1691"></a> |
| <span class="sourceLineNo">1692</span> // Check that the user has not set the "dfs.client.read.shortcircuit.skip.checksum" property.<a name="line.1692"></a> |
| <span class="sourceLineNo">1693</span> boolean shortCircuitSkipChecksum =<a name="line.1693"></a> |
| <span class="sourceLineNo">1694</span> conf.getBoolean("dfs.client.read.shortcircuit.skip.checksum", false);<a name="line.1694"></a> |
| <span class="sourceLineNo">1695</span> boolean useHBaseChecksum = conf.getBoolean(HConstants.HBASE_CHECKSUM_VERIFICATION, true);<a name="line.1695"></a> |
| <span class="sourceLineNo">1696</span> if (shortCircuitSkipChecksum) {<a name="line.1696"></a> |
| <span class="sourceLineNo">1697</span> LOG.warn("Configuration \"dfs.client.read.shortcircuit.skip.checksum\" should not " +<a name="line.1697"></a> |
| <span class="sourceLineNo">1698</span> "be set to true." + (useHBaseChecksum ? " HBase checksum doesn't require " +<a name="line.1698"></a> |
| <span class="sourceLineNo">1699</span> "it, see https://issues.apache.org/jira/browse/HBASE-6868." : ""));<a name="line.1699"></a> |
| <span class="sourceLineNo">1700</span> assert !shortCircuitSkipChecksum; //this will fail if assertions are on<a name="line.1700"></a> |
| <span class="sourceLineNo">1701</span> }<a name="line.1701"></a> |
| <span class="sourceLineNo">1702</span> checkShortCircuitReadBufferSize(conf);<a name="line.1702"></a> |
| <span class="sourceLineNo">1703</span> }<a name="line.1703"></a> |
| <span class="sourceLineNo">1704</span><a name="line.1704"></a> |
| <span class="sourceLineNo">1705</span> /**<a name="line.1705"></a> |
| <span class="sourceLineNo">1706</span> * Check if short circuit read buffer size is set and if not, set it to hbase value.<a name="line.1706"></a> |
| <span class="sourceLineNo">1707</span> * @param conf<a name="line.1707"></a> |
| <span class="sourceLineNo">1708</span> */<a name="line.1708"></a> |
| <span class="sourceLineNo">1709</span> public static void checkShortCircuitReadBufferSize(final Configuration conf) {<a name="line.1709"></a> |
| <span class="sourceLineNo">1710</span> final int defaultSize = HConstants.DEFAULT_BLOCKSIZE * 2;<a name="line.1710"></a> |
| <span class="sourceLineNo">1711</span> final int notSet = -1;<a name="line.1711"></a> |
| <span class="sourceLineNo">1712</span> // DFSConfigKeys.DFS_CLIENT_READ_SHORTCIRCUIT_BUFFER_SIZE_KEY is only defined in h2<a name="line.1712"></a> |
| <span class="sourceLineNo">1713</span> final String dfsKey = "dfs.client.read.shortcircuit.buffer.size";<a name="line.1713"></a> |
| <span class="sourceLineNo">1714</span> int size = conf.getInt(dfsKey, notSet);<a name="line.1714"></a> |
| <span class="sourceLineNo">1715</span> // If a size is set, return -- we will use it.<a name="line.1715"></a> |
| <span class="sourceLineNo">1716</span> if (size != notSet) return;<a name="line.1716"></a> |
| <span class="sourceLineNo">1717</span> // But short circuit buffer size is normally not set. Put in place the hbase wanted size.<a name="line.1717"></a> |
| <span class="sourceLineNo">1718</span> int hbaseSize = conf.getInt("hbase." + dfsKey, defaultSize);<a name="line.1718"></a> |
| <span class="sourceLineNo">1719</span> conf.setIfUnset(dfsKey, Integer.toString(hbaseSize));<a name="line.1719"></a> |
| <span class="sourceLineNo">1720</span> }<a name="line.1720"></a> |
| <span class="sourceLineNo">1721</span><a name="line.1721"></a> |
| <span class="sourceLineNo">1722</span> /**<a name="line.1722"></a> |
| <span class="sourceLineNo">1723</span> * @param c<a name="line.1723"></a> |
| <span class="sourceLineNo">1724</span> * @return The DFSClient DFSHedgedReadMetrics instance or null if can't be found or not on hdfs.<a name="line.1724"></a> |
| <span class="sourceLineNo">1725</span> * @throws IOException<a name="line.1725"></a> |
| <span class="sourceLineNo">1726</span> */<a name="line.1726"></a> |
| <span class="sourceLineNo">1727</span> public static DFSHedgedReadMetrics getDFSHedgedReadMetrics(final Configuration c)<a name="line.1727"></a> |
| <span class="sourceLineNo">1728</span> throws IOException {<a name="line.1728"></a> |
| <span class="sourceLineNo">1729</span> if (!isHDFS(c)) return null;<a name="line.1729"></a> |
| <span class="sourceLineNo">1730</span> // getHedgedReadMetrics is package private. Get the DFSClient instance that is internal<a name="line.1730"></a> |
| <span class="sourceLineNo">1731</span> // to the DFS FS instance and make the method getHedgedReadMetrics accessible, then invoke it<a name="line.1731"></a> |
| <span class="sourceLineNo">1732</span> // to get the singleton instance of DFSHedgedReadMetrics shared by DFSClients.<a name="line.1732"></a> |
| <span class="sourceLineNo">1733</span> final String name = "getHedgedReadMetrics";<a name="line.1733"></a> |
| <span class="sourceLineNo">1734</span> DFSClient dfsclient = ((DistributedFileSystem)FileSystem.get(c)).getClient();<a name="line.1734"></a> |
| <span class="sourceLineNo">1735</span> Method m;<a name="line.1735"></a> |
| <span class="sourceLineNo">1736</span> try {<a name="line.1736"></a> |
| <span class="sourceLineNo">1737</span> m = dfsclient.getClass().getDeclaredMethod(name);<a name="line.1737"></a> |
| <span class="sourceLineNo">1738</span> } catch (NoSuchMethodException e) {<a name="line.1738"></a> |
| <span class="sourceLineNo">1739</span> LOG.warn("Failed find method " + name + " in dfsclient; no hedged read metrics: " +<a name="line.1739"></a> |
| <span class="sourceLineNo">1740</span> e.getMessage());<a name="line.1740"></a> |
| <span class="sourceLineNo">1741</span> return null;<a name="line.1741"></a> |
| <span class="sourceLineNo">1742</span> } catch (SecurityException e) {<a name="line.1742"></a> |
| <span class="sourceLineNo">1743</span> LOG.warn("Failed find method " + name + " in dfsclient; no hedged read metrics: " +<a name="line.1743"></a> |
| <span class="sourceLineNo">1744</span> e.getMessage());<a name="line.1744"></a> |
| <span class="sourceLineNo">1745</span> return null;<a name="line.1745"></a> |
| <span class="sourceLineNo">1746</span> }<a name="line.1746"></a> |
| <span class="sourceLineNo">1747</span> m.setAccessible(true);<a name="line.1747"></a> |
| <span class="sourceLineNo">1748</span> try {<a name="line.1748"></a> |
| <span class="sourceLineNo">1749</span> return (DFSHedgedReadMetrics)m.invoke(dfsclient);<a name="line.1749"></a> |
| <span class="sourceLineNo">1750</span> } catch (IllegalAccessException e) {<a name="line.1750"></a> |
| <span class="sourceLineNo">1751</span> LOG.warn("Failed invoking method " + name + " on dfsclient; no hedged read metrics: " +<a name="line.1751"></a> |
| <span class="sourceLineNo">1752</span> e.getMessage());<a name="line.1752"></a> |
| <span class="sourceLineNo">1753</span> return null;<a name="line.1753"></a> |
| <span class="sourceLineNo">1754</span> } catch (IllegalArgumentException e) {<a name="line.1754"></a> |
| <span class="sourceLineNo">1755</span> LOG.warn("Failed invoking method " + name + " on dfsclient; no hedged read metrics: " +<a name="line.1755"></a> |
| <span class="sourceLineNo">1756</span> e.getMessage());<a name="line.1756"></a> |
| <span class="sourceLineNo">1757</span> return null;<a name="line.1757"></a> |
| <span class="sourceLineNo">1758</span> } catch (InvocationTargetException e) {<a name="line.1758"></a> |
| <span class="sourceLineNo">1759</span> LOG.warn("Failed invoking method " + name + " on dfsclient; no hedged read metrics: " +<a name="line.1759"></a> |
| <span class="sourceLineNo">1760</span> e.getMessage());<a name="line.1760"></a> |
| <span class="sourceLineNo">1761</span> return null;<a name="line.1761"></a> |
| <span class="sourceLineNo">1762</span> }<a name="line.1762"></a> |
| <span class="sourceLineNo">1763</span> }<a name="line.1763"></a> |
| <span class="sourceLineNo">1764</span><a name="line.1764"></a> |
| <span class="sourceLineNo">1765</span> public static List<Path> copyFilesParallel(FileSystem srcFS, Path src, FileSystem dstFS, Path dst,<a name="line.1765"></a> |
| <span class="sourceLineNo">1766</span> Configuration conf, int threads) throws IOException {<a name="line.1766"></a> |
| <span class="sourceLineNo">1767</span> ExecutorService pool = Executors.newFixedThreadPool(threads);<a name="line.1767"></a> |
| <span class="sourceLineNo">1768</span> List<Future<Void>> futures = new ArrayList<>();<a name="line.1768"></a> |
| <span class="sourceLineNo">1769</span> List<Path> traversedPaths;<a name="line.1769"></a> |
| <span class="sourceLineNo">1770</span> try {<a name="line.1770"></a> |
| <span class="sourceLineNo">1771</span> traversedPaths = copyFiles(srcFS, src, dstFS, dst, conf, pool, futures);<a name="line.1771"></a> |
| <span class="sourceLineNo">1772</span> for (Future<Void> future : futures) {<a name="line.1772"></a> |
| <span class="sourceLineNo">1773</span> future.get();<a name="line.1773"></a> |
| <span class="sourceLineNo">1774</span> }<a name="line.1774"></a> |
| <span class="sourceLineNo">1775</span> } catch (ExecutionException | InterruptedException | IOException e) {<a name="line.1775"></a> |
| <span class="sourceLineNo">1776</span> throw new IOException("copy snapshot reference files failed", e);<a name="line.1776"></a> |
| <span class="sourceLineNo">1777</span> } finally {<a name="line.1777"></a> |
| <span class="sourceLineNo">1778</span> pool.shutdownNow();<a name="line.1778"></a> |
| <span class="sourceLineNo">1779</span> }<a name="line.1779"></a> |
| <span class="sourceLineNo">1780</span> return traversedPaths;<a name="line.1780"></a> |
| <span class="sourceLineNo">1781</span> }<a name="line.1781"></a> |
| <span class="sourceLineNo">1782</span><a name="line.1782"></a> |
| <span class="sourceLineNo">1783</span> private static List<Path> copyFiles(FileSystem srcFS, Path src, FileSystem dstFS, Path dst,<a name="line.1783"></a> |
| <span class="sourceLineNo">1784</span> Configuration conf, ExecutorService pool, List<Future<Void>> futures) throws IOException {<a name="line.1784"></a> |
| <span class="sourceLineNo">1785</span> List<Path> traversedPaths = new ArrayList<>();<a name="line.1785"></a> |
| <span class="sourceLineNo">1786</span> traversedPaths.add(dst);<a name="line.1786"></a> |
| <span class="sourceLineNo">1787</span> FileStatus currentFileStatus = srcFS.getFileStatus(src);<a name="line.1787"></a> |
| <span class="sourceLineNo">1788</span> if (currentFileStatus.isDirectory()) {<a name="line.1788"></a> |
| <span class="sourceLineNo">1789</span> if (!dstFS.mkdirs(dst)) {<a name="line.1789"></a> |
| <span class="sourceLineNo">1790</span> throw new IOException("create dir failed: " + dst);<a name="line.1790"></a> |
| <span class="sourceLineNo">1791</span> }<a name="line.1791"></a> |
| <span class="sourceLineNo">1792</span> FileStatus[] subPaths = srcFS.listStatus(src);<a name="line.1792"></a> |
| <span class="sourceLineNo">1793</span> for (FileStatus subPath : subPaths) {<a name="line.1793"></a> |
| <span class="sourceLineNo">1794</span> traversedPaths.addAll(copyFiles(srcFS, subPath.getPath(), dstFS,<a name="line.1794"></a> |
| <span class="sourceLineNo">1795</span> new Path(dst, subPath.getPath().getName()), conf, pool, futures));<a name="line.1795"></a> |
| <span class="sourceLineNo">1796</span> }<a name="line.1796"></a> |
| <span class="sourceLineNo">1797</span> } else {<a name="line.1797"></a> |
| <span class="sourceLineNo">1798</span> Future<Void> future = pool.submit(() -> {<a name="line.1798"></a> |
| <span class="sourceLineNo">1799</span> FileUtil.copy(srcFS, src, dstFS, dst, false, false, conf);<a name="line.1799"></a> |
| <span class="sourceLineNo">1800</span> return null;<a name="line.1800"></a> |
| <span class="sourceLineNo">1801</span> });<a name="line.1801"></a> |
| <span class="sourceLineNo">1802</span> futures.add(future);<a name="line.1802"></a> |
| <span class="sourceLineNo">1803</span> }<a name="line.1803"></a> |
| <span class="sourceLineNo">1804</span> return traversedPaths;<a name="line.1804"></a> |
| <span class="sourceLineNo">1805</span> }<a name="line.1805"></a> |
| <span class="sourceLineNo">1806</span>}<a name="line.1806"></a> |
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| </body> |
| </html> |
