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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.backup;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.FileNotFoundException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.InterruptedIOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Collection;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Collections;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.ExecutionException;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.Future;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.ThreadFactory;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.TimeUnit;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.function.Function;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.stream.Collectors;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.stream.Stream;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.fs.FileStatus;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.fs.FileSystem;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.fs.Path;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.fs.PathFilter;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HConstants;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.HStoreFile;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.HFileArchiveUtil;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.io.MultipleIOException;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.slf4j.Logger;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.slf4j.LoggerFactory;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>/**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Utility class to handle the removal of HFiles (or the respective {@link HStoreFile StoreFiles})<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * for a HRegion from the {@link FileSystem}. The hfiles will be archived or deleted, depending on<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * the state of the system.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>@InterfaceAudience.Private<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>public class HFileArchiver {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private static final Logger LOG = LoggerFactory.getLogger(HFileArchiver.class);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private static final String SEPARATOR = ".";<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /** Number of retries in case of fs operation failure */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private static final int DEFAULT_RETRIES_NUMBER = 3;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static final Function<File, Path> FUNC_FILE_TO_PATH = new Function<File, Path>() {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> @Override<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> public Path apply(File file) {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> return file == null ? null : file.getPath();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> };<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static ThreadPoolExecutor archiveExecutor;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private HFileArchiver() {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> // hidden ctor since this is just a util<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /** Returns True if the Region exits in the filesystem. */<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> public static boolean exists(Configuration conf, FileSystem fs, RegionInfo info)<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> throws IOException {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> Path rootDir = CommonFSUtils.getRootDir(conf);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> Path regionDir = FSUtils.getRegionDirFromRootDir(rootDir, info);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> return fs.exists(regionDir);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> /**<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * Cleans up all the files for a HRegion by archiving the HFiles to the archive directory<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * @param conf the configuration to use<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * @param fs the file system object<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * @param info RegionInfo for region to be deleted<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public static void archiveRegion(Configuration conf, FileSystem fs, RegionInfo info)<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> throws IOException {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> Path rootDir = CommonFSUtils.getRootDir(conf);<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> archiveRegion(fs, rootDir, CommonFSUtils.getTableDir(rootDir, info.getTable()),<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> FSUtils.getRegionDirFromRootDir(rootDir, info));<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> /**<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * Remove an entire region from the table directory via archiving the region's hfiles.<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * @param fs {@link FileSystem} from which to remove the region<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * @param rootdir {@link Path} to the root directory where hbase files are stored (for building<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * the archive path)<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * @param tableDir {@link Path} to where the table is being stored (for building the archive<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * path)<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * @param regionDir {@link Path} to where a region is being stored (for building the archive path)<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * @return <tt>true</tt> if the region was successfully deleted. <tt>false</tt> if the filesystem<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * operations could not complete.<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * @throws IOException if the request cannot be completed<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> */<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> public static boolean archiveRegion(FileSystem fs, Path rootdir, Path tableDir, Path regionDir)<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> throws IOException {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> // otherwise, we archive the files<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> // make sure we can archive<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> if (tableDir == null || regionDir == null) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> LOG.error("No archive directory could be found because tabledir (" + tableDir<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> + ") or regiondir (" + regionDir + "was null. Deleting files instead.");<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> if (regionDir != null) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> deleteRegionWithoutArchiving(fs, regionDir);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> // we should have archived, but failed to. Doesn't matter if we deleted<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> // the archived files correctly or not.<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> return false;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> LOG.debug("ARCHIVING {}", regionDir);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> // make sure the regiondir lives under the tabledir<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> Preconditions.checkArgument(regionDir.toString().startsWith(tableDir.toString()));<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> Path regionArchiveDir = HFileArchiveUtil.getRegionArchiveDir(rootdir,<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> CommonFSUtils.getTableName(tableDir), regionDir.getName());<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> FileStatusConverter getAsFile = new FileStatusConverter(fs);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> // otherwise, we attempt to archive the store files<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> // build collection of just the store directories to archive<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> Collection<File> toArchive = new ArrayList<>();<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> final PathFilter dirFilter = new FSUtils.DirFilter(fs);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> PathFilter nonHidden = new PathFilter() {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> @Override<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> public boolean accept(Path file) {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> return dirFilter.accept(file) && !file.getName().startsWith(".");<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> };<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> FileStatus[] storeDirs = CommonFSUtils.listStatus(fs, regionDir, nonHidden);<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> // if there no files, we can just delete the directory and return;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> if (storeDirs == null) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> LOG.debug("Directory {} empty.", regionDir);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> return deleteRegionWithoutArchiving(fs, regionDir);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> // convert the files in the region to a File<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> Stream.of(storeDirs).map(getAsFile).forEachOrdered(toArchive::add);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> LOG.debug("Archiving " + toArchive);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> List<File> failedArchive =<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> resolveAndArchive(fs, regionArchiveDir, toArchive, EnvironmentEdgeManager.currentTime());<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> if (!failedArchive.isEmpty()) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> throw new FailedArchiveException(<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> "Failed to archive/delete all the files for region:" + regionDir.getName() + " into "<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> + regionArchiveDir + ". Something is probably awry on the filesystem.",<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> failedArchive.stream().map(FUNC_FILE_TO_PATH).collect(Collectors.toList()));<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> // if that was successful, then we delete the region<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> return deleteRegionWithoutArchiving(fs, regionDir);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span><a name="line.171"></a> |
| <span class="sourceLineNo">172</span> /**<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> * Archive the specified regions in parallel.<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> * @param conf the configuration to use<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * @param fs {@link FileSystem} from which to remove the region<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * @param rootDir {@link Path} to the root directory where hbase files are stored (for<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * building the archive path)<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * @param tableDir {@link Path} to where the table is being stored (for building the archive<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * path)<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * @param regionDirList {@link Path} to where regions are being stored (for building the archive<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * path)<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * @throws IOException if the request cannot be completed<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> */<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> public static void archiveRegions(Configuration conf, FileSystem fs, Path rootDir, Path tableDir,<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> List<Path> regionDirList) throws IOException {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> List<Future<Void>> futures = new ArrayList<>(regionDirList.size());<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> for (Path regionDir : regionDirList) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> Future<Void> future = getArchiveExecutor(conf).submit(() -> {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> archiveRegion(fs, rootDir, tableDir, regionDir);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> return null;<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> });<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> futures.add(future);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> try {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> for (Future<Void> future : futures) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> future.get();<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> } catch (InterruptedException e) {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> throw new InterruptedIOException(e.getMessage());<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> } catch (ExecutionException e) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> throw new IOException(e.getCause());<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> private static synchronized ThreadPoolExecutor getArchiveExecutor(final Configuration conf) {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> if (archiveExecutor == null) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> int maxThreads = conf.getInt("hbase.hfilearchiver.thread.pool.max", 8);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> archiveExecutor =<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> Threads.getBoundedCachedThreadPool(maxThreads, 30L, TimeUnit.SECONDS, getThreadFactory());<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> // Shutdown this ThreadPool in a shutdown hook<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> Runtime.getRuntime().addShutdownHook(new Thread(() -> archiveExecutor.shutdown()));<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> return archiveExecutor;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // We need this method instead of Threads.getNamedThreadFactory() to pass some tests.<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // The difference from Threads.getNamedThreadFactory() is that it doesn't fix ThreadGroup for<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // new threads. If we use Threads.getNamedThreadFactory(), we will face ThreadGroup related<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> // issues in some tests.<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> private static ThreadFactory getThreadFactory() {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> return new ThreadFactory() {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> final AtomicInteger threadNumber = new AtomicInteger(1);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> @Override<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> public Thread newThread(Runnable r) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> final String name = "HFileArchiver-" + threadNumber.getAndIncrement();<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> Thread t = new Thread(r, name);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> t.setDaemon(true);<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> return t;<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> };<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> /**<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * Remove from the specified region the store files of the specified column family, either by<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * archiving them or outright deletion<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> * @param fs the filesystem where the store files live<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * @param conf {@link Configuration} to examine to determine the archive directory<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> * @param parent Parent region hosting the store files<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> * @param tableDir {@link Path} to where the table is being stored (for building the archive path)<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> * @param family the family hosting the store files<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> * @throws IOException if the files could not be correctly disposed.<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> */<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> public static void archiveFamily(FileSystem fs, Configuration conf, RegionInfo parent,<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> Path tableDir, byte[] family) throws IOException {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> Path familyDir = new Path(tableDir, new Path(parent.getEncodedName(), Bytes.toString(family)));<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> archiveFamilyByFamilyDir(fs, conf, parent, familyDir, family);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> }<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> /**<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * Removes from the specified region the store files of the specified column family, either by<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> * archiving them or outright deletion<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> * @param fs the filesystem where the store files live<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> * @param conf {@link Configuration} to examine to determine the archive directory<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> * @param parent Parent region hosting the store files<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> * @param familyDir {@link Path} to where the family is being stored<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> * @param family the family hosting the store files<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * @throws IOException if the files could not be correctly disposed.<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> */<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> public static void archiveFamilyByFamilyDir(FileSystem fs, Configuration conf, RegionInfo parent,<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> Path familyDir, byte[] family) throws IOException {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> FileStatus[] storeFiles = CommonFSUtils.listStatus(fs, familyDir);<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> if (storeFiles == null) {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> LOG.debug("No files to dispose of in {}, family={}", parent.getRegionNameAsString(),<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> Bytes.toString(family));<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> return;<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span><a name="line.269"></a> |
| <span class="sourceLineNo">270</span> FileStatusConverter getAsFile = new FileStatusConverter(fs);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> Collection<File> toArchive = Stream.of(storeFiles).map(getAsFile).collect(Collectors.toList());<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> Path storeArchiveDir = HFileArchiveUtil.getStoreArchivePath(conf, parent, family);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> // do the actual archive<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> List<File> failedArchive =<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> resolveAndArchive(fs, storeArchiveDir, toArchive, EnvironmentEdgeManager.currentTime());<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> if (!failedArchive.isEmpty()) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> throw new FailedArchiveException(<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> "Failed to archive/delete all the files for region:"<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> + Bytes.toString(parent.getRegionName()) + ", family:" + Bytes.toString(family) + " into "<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> + storeArchiveDir + ". Something is probably awry on the filesystem.",<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> failedArchive.stream().map(FUNC_FILE_TO_PATH).collect(Collectors.toList()));<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> }<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span><a name="line.285"></a> |
| <span class="sourceLineNo">286</span> /**<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * Remove the store files, either by archiving them or outright deletion<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * @param conf {@link Configuration} to examine to determine the archive directory<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> * @param fs the filesystem where the store files live<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> * @param regionInfo {@link RegionInfo} of the region hosting the store files<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> * @param family the family hosting the store files<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> * @param compactedFiles files to be disposed of. No further reading of these files should be<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> * attempted; otherwise likely to cause an {@link IOException}<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> * @throws IOException if the files could not be correctly disposed.<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> */<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> public static void archiveStoreFiles(Configuration conf, FileSystem fs, RegionInfo regionInfo,<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> Path tableDir, byte[] family, Collection<HStoreFile> compactedFiles) throws IOException {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> Path storeArchiveDir = HFileArchiveUtil.getStoreArchivePath(conf, regionInfo, tableDir, family);<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> archive(fs, regionInfo, family, compactedFiles, storeArchiveDir);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span><a name="line.301"></a> |
| <span class="sourceLineNo">302</span> /**<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> * Archive recovered edits using existing logic for archiving store files. This is currently only<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> * relevant when <b>hbase.region.archive.recovered.edits</b> is true, as recovered edits shouldn't<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> * be kept after replay. In theory, we could use very same method available for archiving store<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> * files, but supporting WAL dir and store files on different FileSystems added the need for extra<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> * validation of the passed FileSystem instance and the path where the archiving edits should be<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> * placed.<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> * @param conf {@link Configuration} to determine the archive directory.<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> * @param fs the filesystem used for storing WAL files.<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> * @param regionInfo {@link RegionInfo} a pseudo region representation for the archiving logic.<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> * @param family a pseudo familiy representation for the archiving logic.<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> * @param replayedEdits the recovered edits to be archived.<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> * @throws IOException if files can't be achived due to some internal error.<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> */<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> public static void archiveRecoveredEdits(Configuration conf, FileSystem fs, RegionInfo regionInfo,<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> byte[] family, Collection<HStoreFile> replayedEdits) throws IOException {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> String workingDir = conf.get(CommonFSUtils.HBASE_WAL_DIR, conf.get(HConstants.HBASE_DIR));<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> // extra sanity checks for the right FS<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> Path path = new Path(workingDir);<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> if (path.isAbsoluteAndSchemeAuthorityNull()) {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> // no schema specified on wal dir value, so it's on same FS as StoreFiles<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> path = new Path(conf.get(HConstants.HBASE_DIR));<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> if (path.toUri().getScheme() != null && !path.toUri().getScheme().equals(fs.getScheme())) {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> throw new IOException(<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> "Wrong file system! Should be " + path.toUri().getScheme() + ", but got " + fs.getScheme());<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> }<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> path = HFileArchiveUtil.getStoreArchivePathForRootDir(path, regionInfo, family);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> archive(fs, regionInfo, family, replayedEdits, path);<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> }<a name="line.331"></a> |
| <span class="sourceLineNo">332</span><a name="line.332"></a> |
| <span class="sourceLineNo">333</span> private static void archive(FileSystem fs, RegionInfo regionInfo, byte[] family,<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> Collection<HStoreFile> compactedFiles, Path storeArchiveDir) throws IOException {<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> // sometimes in testing, we don't have rss, so we need to check for that<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> if (fs == null) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> LOG.warn(<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> "Passed filesystem is null, so just deleting files without archiving for {}," + "family={}",<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> Bytes.toString(regionInfo.getRegionName()), Bytes.toString(family));<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> deleteStoreFilesWithoutArchiving(compactedFiles);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> return;<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> }<a name="line.342"></a> |
| <span class="sourceLineNo">343</span><a name="line.343"></a> |
| <span class="sourceLineNo">344</span> // short circuit if we don't have any files to delete<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> if (compactedFiles.isEmpty()) {<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> LOG.debug("No files to dispose of, done!");<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> return;<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> }<a name="line.348"></a> |
| <span class="sourceLineNo">349</span><a name="line.349"></a> |
| <span class="sourceLineNo">350</span> // build the archive path<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> if (regionInfo == null || family == null)<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> throw new IOException("Need to have a region and a family to archive from.");<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> // make sure we don't archive if we can't and that the archive dir exists<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> if (!fs.mkdirs(storeArchiveDir)) {<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> throw new IOException("Could not make archive directory (" + storeArchiveDir + ") for store:"<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> + Bytes.toString(family) + ", deleting compacted files instead.");<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span><a name="line.358"></a> |
| <span class="sourceLineNo">359</span> // otherwise we attempt to archive the store files<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> LOG.debug("Archiving compacted files.");<a name="line.360"></a> |
| <span class="sourceLineNo">361</span><a name="line.361"></a> |
| <span class="sourceLineNo">362</span> // Wrap the storefile into a File<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> StoreToFile getStorePath = new StoreToFile(fs);<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> Collection<File> storeFiles =<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> compactedFiles.stream().map(getStorePath).collect(Collectors.toList());<a name="line.365"></a> |
| <span class="sourceLineNo">366</span><a name="line.366"></a> |
| <span class="sourceLineNo">367</span> // do the actual archive<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> List<File> failedArchive =<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> resolveAndArchive(fs, storeArchiveDir, storeFiles, EnvironmentEdgeManager.currentTime());<a name="line.369"></a> |
| <span class="sourceLineNo">370</span><a name="line.370"></a> |
| <span class="sourceLineNo">371</span> if (!failedArchive.isEmpty()) {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> throw new FailedArchiveException(<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> "Failed to archive/delete all the files for region:"<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> + Bytes.toString(regionInfo.getRegionName()) + ", family:" + Bytes.toString(family)<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> + " into " + storeArchiveDir + ". Something is probably awry on the filesystem.",<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> failedArchive.stream().map(FUNC_FILE_TO_PATH).collect(Collectors.toList()));<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> }<a name="line.378"></a> |
| <span class="sourceLineNo">379</span><a name="line.379"></a> |
| <span class="sourceLineNo">380</span> /**<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> * Archive the store file<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> * @param fs the filesystem where the store files live<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> * @param regionInfo region hosting the store files<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> * @param conf {@link Configuration} to examine to determine the archive directory<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> * @param tableDir {@link Path} to where the table is being stored (for building the archive<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> * path)<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> * @param family the family hosting the store files<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> * @param storeFile file to be archived<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> * @throws IOException if the files could not be correctly disposed.<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> */<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> public static void archiveStoreFile(Configuration conf, FileSystem fs, RegionInfo regionInfo,<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> Path tableDir, byte[] family, Path storeFile) throws IOException {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> Path storeArchiveDir = HFileArchiveUtil.getStoreArchivePath(conf, regionInfo, tableDir, family);<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> // make sure we don't archive if we can't and that the archive dir exists<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> if (!fs.mkdirs(storeArchiveDir)) {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> throw new IOException("Could not make archive directory (" + storeArchiveDir + ") for store:"<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> + Bytes.toString(family) + ", deleting compacted files instead.");<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> }<a name="line.398"></a> |
| <span class="sourceLineNo">399</span><a name="line.399"></a> |
| <span class="sourceLineNo">400</span> // do the actual archive<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> long start = EnvironmentEdgeManager.currentTime();<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> File file = new FileablePath(fs, storeFile);<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> if (!resolveAndArchiveFile(storeArchiveDir, file, Long.toString(start))) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> throw new IOException("Failed to archive/delete the file for region:"<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> + regionInfo.getRegionNameAsString() + ", family:" + Bytes.toString(family) + " into "<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> + storeArchiveDir + ". Something is probably awry on the filesystem.");<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> }<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> * Resolve any conflict with an existing archive file via timestamp-append renaming of the<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> * existing file and then archive the passed in files.<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> * @param fs {@link FileSystem} on which to archive the files<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> * @param baseArchiveDir base archive directory to store the files. If any of the files to archive<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> * are directories, will append the name of the directory to the base<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> * archive directory name, creating a parallel structure.<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> * @param toArchive files/directories that need to be archvied<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> * @param start time the archiving started - used for resolving archive conflicts.<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> * @return the list of failed to archive files.<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * @throws IOException if an unexpected file operation exception occurred<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> */<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> private static List<File> resolveAndArchive(FileSystem fs, Path baseArchiveDir,<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> Collection<File> toArchive, long start) throws IOException {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> // short circuit if no files to move<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> if (toArchive.isEmpty()) {<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> return Collections.emptyList();<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> }<a name="line.427"></a> |
| <span class="sourceLineNo">428</span><a name="line.428"></a> |
| <span class="sourceLineNo">429</span> LOG.trace("Moving files to the archive directory {}", baseArchiveDir);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span><a name="line.430"></a> |
| <span class="sourceLineNo">431</span> // make sure the archive directory exists<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> if (!fs.exists(baseArchiveDir)) {<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> if (!fs.mkdirs(baseArchiveDir)) {<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> throw new IOException("Failed to create the archive directory:" + baseArchiveDir<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> + ", quitting archive attempt.");<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> LOG.trace("Created archive directory {}", baseArchiveDir);<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> }<a name="line.438"></a> |
| <span class="sourceLineNo">439</span><a name="line.439"></a> |
| <span class="sourceLineNo">440</span> List<File> failures = new ArrayList<>();<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> String startTime = Long.toString(start);<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> for (File file : toArchive) {<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> // if its a file archive it<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> try {<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> LOG.trace("Archiving {}", file);<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> if (file.isFile()) {<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> // attempt to archive the file<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> if (!resolveAndArchiveFile(baseArchiveDir, file, startTime)) {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> LOG.warn("Couldn't archive " + file + " into backup directory: " + baseArchiveDir);<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> failures.add(file);<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> } else {<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> // otherwise its a directory and we need to archive all files<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> LOG.trace("{} is a directory, archiving children files", file);<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> // so we add the directory name to the one base archive<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> Path parentArchiveDir = new Path(baseArchiveDir, file.getName());<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> // and then get all the files from that directory and attempt to<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> // archive those too<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> Collection<File> children = file.getChildren();<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> failures.addAll(resolveAndArchive(fs, parentArchiveDir, children, start));<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> }<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> } catch (IOException e) {<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> LOG.warn("Failed to archive {}", file, e);<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> failures.add(file);<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> }<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> return failures;<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> }<a name="line.468"></a> |
| <span class="sourceLineNo">469</span><a name="line.469"></a> |
| <span class="sourceLineNo">470</span> /**<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> * Attempt to archive the passed in file to the archive directory.<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> * <p><a name="line.472"></a> |
| <span class="sourceLineNo">473</span> * If the same file already exists in the archive, it is moved to a timestamped directory under<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> * the archive directory and the new file is put in its place.<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> * @param archiveDir {@link Path} to the directory that stores the archives of the hfiles<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> * @param currentFile {@link Path} to the original HFile that will be archived<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> * @param archiveStartTime time the archiving started, to resolve naming conflicts<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> * @return <tt>true</tt> if the file is successfully archived. <tt>false</tt> if there was a<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> * problem, but the operation still completed.<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> * @throws IOException on failure to complete {@link FileSystem} operations.<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> */<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> private static boolean resolveAndArchiveFile(Path archiveDir, File currentFile,<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> String archiveStartTime) throws IOException {<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> // build path as it should be in the archive<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> String filename = currentFile.getName();<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> Path archiveFile = new Path(archiveDir, filename);<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> FileSystem fs = currentFile.getFileSystem();<a name="line.487"></a> |
| <span class="sourceLineNo">488</span><a name="line.488"></a> |
| <span class="sourceLineNo">489</span> // An existing destination file in the archive is unexpected, but we handle it here.<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> if (fs.exists(archiveFile)) {<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> if (!fs.exists(currentFile.getPath())) {<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> // If the file already exists in the archive, and there is no current file to archive, then<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> // assume that the file in archive is correct. This is an unexpected situation, suggesting a<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> // race condition or split brain.<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> // In HBASE-26718 this was found when compaction incorrectly happened during warmupRegion.<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> LOG.warn("{} exists in archive. Attempted to archive nonexistent file {}.", archiveFile,<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> currentFile);<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> // We return success to match existing behavior in this method, where FileNotFoundException<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> // in moveAndClose is ignored.<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> return true;<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> }<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> // There is a conflict between the current file and the already existing archived file.<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> // Move the archived file to a timestamped backup. This is a really, really unlikely<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> // situation, where we get the same name for the existing file, but is included just for that<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> // 1 in trillion chance. We are potentially incurring data loss in the archive directory if<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> // the files are not identical. The timestamped backup will be cleaned by HFileCleaner as it<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> // has no references.<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> FileStatus curStatus = fs.getFileStatus(currentFile.getPath());<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> FileStatus archiveStatus = fs.getFileStatus(archiveFile);<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> long curLen = curStatus.getLen();<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> long archiveLen = archiveStatus.getLen();<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> long curMtime = curStatus.getModificationTime();<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> long archiveMtime = archiveStatus.getModificationTime();<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> if (curLen != archiveLen) {<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> LOG.error(<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> "{} already exists in archive with different size than current {}."<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> + " archiveLen: {} currentLen: {} archiveMtime: {} currentMtime: {}",<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> archiveFile, currentFile, archiveLen, curLen, archiveMtime, curMtime);<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> throw new IOException(<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> archiveFile + " already exists in archive with different size" + " than " + currentFile);<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> }<a name="line.521"></a> |
| <span class="sourceLineNo">522</span><a name="line.522"></a> |
| <span class="sourceLineNo">523</span> LOG.error(<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> "{} already exists in archive, moving to timestamped backup and overwriting"<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> + " current {}. archiveLen: {} currentLen: {} archiveMtime: {} currentMtime: {}",<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> archiveFile, currentFile, archiveLen, curLen, archiveMtime, curMtime);<a name="line.526"></a> |
| <span class="sourceLineNo">527</span><a name="line.527"></a> |
| <span class="sourceLineNo">528</span> // move the archive file to the stamped backup<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> Path backedupArchiveFile = new Path(archiveDir, filename + SEPARATOR + archiveStartTime);<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> if (!fs.rename(archiveFile, backedupArchiveFile)) {<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> LOG.error("Could not rename archive file to backup: " + backedupArchiveFile<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> + ", deleting existing file in favor of newer.");<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> // try to delete the existing file, if we can't rename it<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> if (!fs.delete(archiveFile, false)) {<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> throw new IOException("Couldn't delete existing archive file (" + archiveFile<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> + ") or rename it to the backup file (" + backedupArchiveFile<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> + ") to make room for similarly named file.");<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> }<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> } else {<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> LOG.info("Backed up archive file from {} to {}.", archiveFile, backedupArchiveFile);<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><a name="line.543"></a> |
| <span class="sourceLineNo">544</span> LOG.trace("No existing file in archive for {}, free to archive original file.", archiveFile);<a name="line.544"></a> |
| <span class="sourceLineNo">545</span><a name="line.545"></a> |
| <span class="sourceLineNo">546</span> // at this point, we should have a free spot for the archive file<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> boolean success = false;<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> for (int i = 0; !success && i < DEFAULT_RETRIES_NUMBER; ++i) {<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> if (i > 0) {<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> // Ensure that the archive directory exists.<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> // The previous "move to archive" operation has failed probably because<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> // the cleaner has removed our archive directory (HBASE-7643).<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> // (we're in a retry loop, so don't worry too much about the exception)<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> try {<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> if (!fs.exists(archiveDir)) {<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> if (fs.mkdirs(archiveDir)) {<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> LOG.debug("Created archive directory {}", archiveDir);<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> }<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> }<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> } catch (IOException e) {<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> LOG.warn("Failed to create directory {}", archiveDir, e);<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> }<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> }<a name="line.563"></a> |
| <span class="sourceLineNo">564</span><a name="line.564"></a> |
| <span class="sourceLineNo">565</span> try {<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> success = currentFile.moveAndClose(archiveFile);<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> } catch (FileNotFoundException fnfe) {<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> LOG.warn("Failed to archive " + currentFile<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> + " because it does not exist! Skipping and continuing on.", fnfe);<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> success = true;<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> } catch (IOException e) {<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> success = false;<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> // When HFiles are placed on a filesystem other than HDFS a rename operation can be a<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> // non-atomic file copy operation. It can take a long time to copy a large hfile and if<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> // interrupted there may be a partially copied file present at the destination. We must<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> // remove the partially copied file, if any, or otherwise the archive operation will fail<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> // indefinitely from this point.<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> LOG.warn("Failed to archive " + currentFile + " on try #" + i, e);<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> try {<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> fs.delete(archiveFile, false);<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> } catch (FileNotFoundException fnfe) {<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> // This case is fine.<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> } catch (IOException ee) {<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> // Complain about other IO exceptions<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> LOG.warn("Failed to clean up from failure to archive " + currentFile + " on try #" + i,<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> ee);<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> }<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> }<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> }<a name="line.589"></a> |
| <span class="sourceLineNo">590</span><a name="line.590"></a> |
| <span class="sourceLineNo">591</span> if (!success) {<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> LOG.error("Failed to archive " + currentFile);<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> return false;<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> }<a name="line.594"></a> |
| <span class="sourceLineNo">595</span><a name="line.595"></a> |
| <span class="sourceLineNo">596</span> LOG.debug("Archived from {} to {}", currentFile, archiveFile);<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> return true;<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> }<a name="line.598"></a> |
| <span class="sourceLineNo">599</span><a name="line.599"></a> |
| <span class="sourceLineNo">600</span> /**<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> * Without regard for backup, delete a region. Should be used with caution.<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> * @param regionDir {@link Path} to the region to be deleted.<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> * @param fs FileSystem from which to delete the region<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> * @return <tt>true</tt> on successful deletion, <tt>false</tt> otherwise<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> * @throws IOException on filesystem operation failure<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> */<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> private static boolean deleteRegionWithoutArchiving(FileSystem fs, Path regionDir)<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> throws IOException {<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> if (fs.delete(regionDir, true)) {<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> LOG.debug("Deleted {}", regionDir);<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> return true;<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> }<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> LOG.debug("Failed to delete directory {}", regionDir);<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> return false;<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> }<a name="line.615"></a> |
| <span class="sourceLineNo">616</span><a name="line.616"></a> |
| <span class="sourceLineNo">617</span> /**<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> * Just do a simple delete of the given store files<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> * <p><a name="line.619"></a> |
| <span class="sourceLineNo">620</span> * A best effort is made to delete each of the files, rather than bailing on the first failure.<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> * <p><a name="line.621"></a> |
| <span class="sourceLineNo">622</span> * @param compactedFiles store files to delete from the file system.<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> * @throws IOException if a file cannot be deleted. All files will be attempted to deleted before<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> * throwing the exception, rather than failing at the first file.<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> */<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> private static void deleteStoreFilesWithoutArchiving(Collection<HStoreFile> compactedFiles)<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> throws IOException {<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> LOG.debug("Deleting files without archiving.");<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> List<IOException> errors = new ArrayList<>(0);<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> for (HStoreFile hsf : compactedFiles) {<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> try {<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> hsf.deleteStoreFile();<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> } catch (IOException e) {<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> LOG.error("Failed to delete {}", hsf.getPath());<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> errors.add(e);<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> }<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> }<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> if (errors.size() > 0) {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> throw MultipleIOException.createIOException(errors);<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> }<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> }<a name="line.641"></a> |
| <span class="sourceLineNo">642</span><a name="line.642"></a> |
| <span class="sourceLineNo">643</span> /**<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> * Adapt a type to match the {@link File} interface, which is used internally for handling<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> * archival/removal of files<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> * @param <T> type to adapt to the {@link File} interface<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> */<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> private static abstract class FileConverter<T> implements Function<T, File> {<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> protected final FileSystem fs;<a name="line.649"></a> |
| <span class="sourceLineNo">650</span><a name="line.650"></a> |
| <span class="sourceLineNo">651</span> public FileConverter(FileSystem fs) {<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> this.fs = fs;<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> }<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> }<a name="line.654"></a> |
| <span class="sourceLineNo">655</span><a name="line.655"></a> |
| <span class="sourceLineNo">656</span> /**<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> * Convert a FileStatus to something we can manage in the archiving<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> */<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> private static class FileStatusConverter extends FileConverter<FileStatus> {<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> public FileStatusConverter(FileSystem fs) {<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> super(fs);<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> }<a name="line.662"></a> |
| <span class="sourceLineNo">663</span><a name="line.663"></a> |
| <span class="sourceLineNo">664</span> @Override<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> public File apply(FileStatus input) {<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> return new FileablePath(fs, input.getPath());<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> }<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> }<a name="line.668"></a> |
| <span class="sourceLineNo">669</span><a name="line.669"></a> |
| <span class="sourceLineNo">670</span> /**<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> * Convert the {@link HStoreFile} into something we can manage in the archive methods<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> */<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> private static class StoreToFile extends FileConverter<HStoreFile> {<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> public StoreToFile(FileSystem fs) {<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> super(fs);<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> }<a name="line.676"></a> |
| <span class="sourceLineNo">677</span><a name="line.677"></a> |
| <span class="sourceLineNo">678</span> @Override<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> public File apply(HStoreFile input) {<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> return new FileableStoreFile(fs, input);<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> }<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> }<a name="line.682"></a> |
| <span class="sourceLineNo">683</span><a name="line.683"></a> |
| <span class="sourceLineNo">684</span> /**<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> * Wrapper to handle file operations uniformly<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> */<a name="line.686"></a> |
| <span class="sourceLineNo">687</span> private static abstract class File {<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> protected final FileSystem fs;<a name="line.688"></a> |
| <span class="sourceLineNo">689</span><a name="line.689"></a> |
| <span class="sourceLineNo">690</span> public File(FileSystem fs) {<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> this.fs = fs;<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> }<a name="line.692"></a> |
| <span class="sourceLineNo">693</span><a name="line.693"></a> |
| <span class="sourceLineNo">694</span> /**<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> * Delete the file<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> * @throws IOException on failure<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> */<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> abstract void delete() throws IOException;<a name="line.698"></a> |
| <span class="sourceLineNo">699</span><a name="line.699"></a> |
| <span class="sourceLineNo">700</span> /**<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> * Check to see if this is a file or a directory<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> * @return <tt>true</tt> if it is a file, <tt>false</tt> otherwise<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> * @throws IOException on {@link FileSystem} connection error<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> */<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> abstract boolean isFile() throws IOException;<a name="line.705"></a> |
| <span class="sourceLineNo">706</span><a name="line.706"></a> |
| <span class="sourceLineNo">707</span> /**<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> * @return if this is a directory, returns all the children in the directory, otherwise returns<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> * an empty list<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> */<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> abstract Collection<File> getChildren() throws IOException;<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> * close any outside readers of the file<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> */<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> abstract void close() throws IOException;<a name="line.716"></a> |
| <span class="sourceLineNo">717</span><a name="line.717"></a> |
| <span class="sourceLineNo">718</span> /** Returns the name of the file (not the full fs path, just the individual file name) */<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> abstract String getName();<a name="line.719"></a> |
| <span class="sourceLineNo">720</span><a name="line.720"></a> |
| <span class="sourceLineNo">721</span> /** Returns the path to this file */<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> abstract Path getPath();<a name="line.722"></a> |
| <span class="sourceLineNo">723</span><a name="line.723"></a> |
| <span class="sourceLineNo">724</span> /**<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> * Move the file to the given destination<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> * @return <tt>true</tt> on success<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> */<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> public boolean moveAndClose(Path dest) throws IOException {<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> this.close();<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> Path p = this.getPath();<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> return CommonFSUtils.renameAndSetModifyTime(fs, p, dest);<a name="line.731"></a> |
| <span class="sourceLineNo">732</span> }<a name="line.732"></a> |
| <span class="sourceLineNo">733</span><a name="line.733"></a> |
| <span class="sourceLineNo">734</span> /** Returns the {@link FileSystem} on which this file resides */<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> public FileSystem getFileSystem() {<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> return this.fs;<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> }<a name="line.737"></a> |
| <span class="sourceLineNo">738</span><a name="line.738"></a> |
| <span class="sourceLineNo">739</span> @Override<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> public String toString() {<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> return this.getClass().getSimpleName() + ", " + getPath().toString();<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> }<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> }<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> * A {@link File} that wraps a simple {@link Path} on a {@link FileSystem}.<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> */<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> private static class FileablePath extends File {<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> private final Path file;<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> private final FileStatusConverter getAsFile;<a name="line.750"></a> |
| <span class="sourceLineNo">751</span><a name="line.751"></a> |
| <span class="sourceLineNo">752</span> public FileablePath(FileSystem fs, Path file) {<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> super(fs);<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> this.file = file;<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> this.getAsFile = new FileStatusConverter(fs);<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> }<a name="line.756"></a> |
| <span class="sourceLineNo">757</span><a name="line.757"></a> |
| <span class="sourceLineNo">758</span> @Override<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> public void delete() throws IOException {<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> if (!fs.delete(file, true)) throw new IOException("Failed to delete:" + this.file);<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> @Override<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> public String getName() {<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> return file.getName();<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> }<a name="line.766"></a> |
| <span class="sourceLineNo">767</span><a name="line.767"></a> |
| <span class="sourceLineNo">768</span> @Override<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> public Collection<File> getChildren() throws IOException {<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> if (fs.isFile(file)) {<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> return Collections.emptyList();<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> }<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> return Stream.of(fs.listStatus(file)).map(getAsFile).collect(Collectors.toList());<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> }<a name="line.774"></a> |
| <span class="sourceLineNo">775</span><a name="line.775"></a> |
| <span class="sourceLineNo">776</span> @Override<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> public boolean isFile() throws IOException {<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> return fs.isFile(file);<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> }<a name="line.779"></a> |
| <span class="sourceLineNo">780</span><a name="line.780"></a> |
| <span class="sourceLineNo">781</span> @Override<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> public void close() throws IOException {<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> // NOOP - files are implicitly closed on removal<a name="line.783"></a> |
| <span class="sourceLineNo">784</span> }<a name="line.784"></a> |
| <span class="sourceLineNo">785</span><a name="line.785"></a> |
| <span class="sourceLineNo">786</span> @Override<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> Path getPath() {<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> return file;<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> }<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> }<a name="line.790"></a> |
| <span class="sourceLineNo">791</span><a name="line.791"></a> |
| <span class="sourceLineNo">792</span> /**<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> * {@link File} adapter for a {@link HStoreFile} living on a {@link FileSystem} .<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> */<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> private static class FileableStoreFile extends File {<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> HStoreFile file;<a name="line.796"></a> |
| <span class="sourceLineNo">797</span><a name="line.797"></a> |
| <span class="sourceLineNo">798</span> public FileableStoreFile(FileSystem fs, HStoreFile store) {<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> super(fs);<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> this.file = store;<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> }<a name="line.801"></a> |
| <span class="sourceLineNo">802</span><a name="line.802"></a> |
| <span class="sourceLineNo">803</span> @Override<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> public void delete() throws IOException {<a name="line.804"></a> |
| <span class="sourceLineNo">805</span> file.deleteStoreFile();<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> }<a name="line.806"></a> |
| <span class="sourceLineNo">807</span><a name="line.807"></a> |
| <span class="sourceLineNo">808</span> @Override<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> public String getName() {<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> return file.getPath().getName();<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> }<a name="line.811"></a> |
| <span class="sourceLineNo">812</span><a name="line.812"></a> |
| <span class="sourceLineNo">813</span> @Override<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> public boolean isFile() {<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> return true;<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> }<a name="line.816"></a> |
| <span class="sourceLineNo">817</span><a name="line.817"></a> |
| <span class="sourceLineNo">818</span> @Override<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> public Collection<File> getChildren() throws IOException {<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> // storefiles don't have children<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> return Collections.emptyList();<a name="line.821"></a> |
| <span class="sourceLineNo">822</span> }<a name="line.822"></a> |
| <span class="sourceLineNo">823</span><a name="line.823"></a> |
| <span class="sourceLineNo">824</span> @Override<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> public void close() throws IOException {<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> file.closeStoreFile(true);<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> }<a name="line.827"></a> |
| <span class="sourceLineNo">828</span><a name="line.828"></a> |
| <span class="sourceLineNo">829</span> @Override<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> Path getPath() {<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> return file.getPath();<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> }<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> }<a name="line.833"></a> |
| <span class="sourceLineNo">834</span>}<a name="line.834"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
