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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><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.regionserver;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.FileNotFoundException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.regex.Matcher;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.regex.Pattern;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.conf.Configuration;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FileStatus;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileSystem;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.fs.Path;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HDFSBlocksDistribution;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.HFileLink;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.io.HalfStoreFileReader;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.io.Reference;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.io.hfile.CacheConfig;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.io.hfile.HFileInfo;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.hfile.ReaderContext;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.hfile.ReaderContext.ReaderType;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.hfile.ReaderContextBuilder;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.mob.MobUtils;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.slf4j.Logger;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.slf4j.LoggerFactory;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span>/**<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * Describe a StoreFile (hfile, reference, link)<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>@InterfaceAudience.Private<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>public class StoreFileInfo {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private static final Logger LOG = LoggerFactory.getLogger(StoreFileInfo.class);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /**<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * A non-capture group, for hfiles, so that this can be embedded. HFiles are uuid ([0-9a-z]+).<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * Bulk loaded hfiles has (_SeqId_[0-9]+_) has suffix. The mob del file has (_del) as suffix.<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public static final String HFILE_NAME_REGEX = "[0-9a-f]+(?:(?:_SeqId_[0-9]+_)|(?:_del))?";<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> /** Regex that will work for hfiles */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private static final Pattern HFILE_NAME_PATTERN = Pattern.compile("^(" + HFILE_NAME_REGEX + ")");<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> /**<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * Regex that will work for straight reference names ({@code <hfile>.<parentEncRegion>}) and<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * hfilelink reference names ({@code<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * <table><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * =<region>-<hfile>.<parentEncRegion>}) If reference, then the regex has more than just one<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * group. Group 1, hfile/hfilelink pattern, is this file's id. Group 2 '(.+)' is the reference's<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * parent region name.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static final Pattern REF_NAME_PATTERN = Pattern<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> .compile(String.format("^(%s|%s)\\.(.+)$", HFILE_NAME_REGEX, HFileLink.LINK_NAME_REGEX));<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public static final String STORE_FILE_READER_NO_READAHEAD = "hbase.store.reader.no-readahead";<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public static final boolean DEFAULT_STORE_FILE_READER_NO_READAHEAD = false;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> // Configuration<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private final Configuration conf;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // FileSystem handle<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> private final FileSystem fs;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> // HDFS blocks distribution information<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private HDFSBlocksDistribution hdfsBlocksDistribution = null;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private HFileInfo hfileInfo;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> // If this storefile references another, this is the reference instance.<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private final Reference reference;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // If this storefile is a link to another, this is the link instance.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> private final HFileLink link;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private final Path initialPath;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> private RegionCoprocessorHost coprocessorHost;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> // timestamp on when the file was created, is 0 and ignored for reference or link files<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> private long createdTimestamp;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> private long size;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private final boolean primaryReplica;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> private final boolean noReadahead;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> // Counter that is incremented every time a scanner is created on the<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> // store file. It is decremented when the scan on the store file is<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> // done.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> final AtomicInteger refCount = new AtomicInteger(0);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> /**<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * Create a Store File Info<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * @param conf the {@link Configuration} to use<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * @param fs The current file system to use.<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * @param initialPath The {@link Path} of the file<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * @param primaryReplica true if this is a store file for primary replica, otherwise false.<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> */<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> public StoreFileInfo(final Configuration conf, final FileSystem fs, final Path initialPath,<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> final boolean primaryReplica) throws IOException {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> this(conf, fs, null, initialPath, primaryReplica);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> private StoreFileInfo(final Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> final Path initialPath, final boolean primaryReplica) throws IOException {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> assert fs != null;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> assert initialPath != null;<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> assert conf != null;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> this.fs = fs;<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> this.conf = conf;<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> this.initialPath = initialPath;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> this.primaryReplica = primaryReplica;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> this.noReadahead = this.conf.getBoolean(STORE_FILE_READER_NO_READAHEAD,<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> DEFAULT_STORE_FILE_READER_NO_READAHEAD);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> Path p = initialPath;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> if (HFileLink.isHFileLink(p)) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> // HFileLink<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> this.reference = null;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> this.link = HFileLink.buildFromHFileLinkPattern(conf, p);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> LOG.trace("{} is a link", p);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> } else if (isReference(p)) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> this.reference = Reference.read(fs, p);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> Path referencePath = getReferredToFile(p);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> if (HFileLink.isHFileLink(referencePath)) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // HFileLink Reference<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> this.link = HFileLink.buildFromHFileLinkPattern(conf, referencePath);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> } else {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> // Reference<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> this.link = null;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> LOG.trace("{} is a {} reference to {}", p, reference.getFileRegion(), referencePath);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> } else if (isHFile(p) || isMobFile(p) || isMobRefFile(p)) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // HFile<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> if (fileStatus != null) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> this.createdTimestamp = fileStatus.getModificationTime();<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> this.size = fileStatus.getLen();<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> } else {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> FileStatus fStatus = fs.getFileStatus(initialPath);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> this.createdTimestamp = fStatus.getModificationTime();<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> this.size = fStatus.getLen();<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> this.reference = null;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> this.link = null;<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> } else {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> throw new IOException("path=" + p + " doesn't look like a valid StoreFile");<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<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> * Create a Store File Info<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> * @param conf the {@link Configuration} to use<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> * @param fs The current file system to use.<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> * @param fileStatus The {@link FileStatus} of the file<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> */<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> public StoreFileInfo(final Configuration conf, final FileSystem fs, final FileStatus fileStatus)<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> throws IOException {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> this(conf, fs, fileStatus, fileStatus.getPath(), true);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> /**<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> * Create a Store File Info from an HFileLink<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> * @param conf The {@link Configuration} to use<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * @param fs The current file system to use<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> * @param fileStatus The {@link FileStatus} of the file<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> */<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> public StoreFileInfo(final Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> final HFileLink link) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> this(conf, fs, fileStatus, null, link);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> }<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> /**<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> * Create a Store File Info from an HFileLink<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> * @param conf The {@link Configuration} to use<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * @param fs The current file system to use<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * @param fileStatus The {@link FileStatus} of the file<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * @param reference The reference instance<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> */<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> public StoreFileInfo(final Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> final Reference reference) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> this(conf, fs, fileStatus, reference, null);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> /**<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> * Create a Store File Info from an HFileLink and a Reference<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * @param conf The {@link Configuration} to use<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> * @param fs The current file system to use<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * @param fileStatus The {@link FileStatus} of the file<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * @param reference The reference instance<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> * @param link The link instance<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> */<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public StoreFileInfo(final Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> final Reference reference, final HFileLink link) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> this.fs = fs;<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> this.conf = conf;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> this.primaryReplica = false;<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> this.initialPath = (fileStatus == null) ? null : fileStatus.getPath();<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> this.createdTimestamp = (fileStatus == null) ? 0 : fileStatus.getModificationTime();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> this.reference = reference;<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> this.link = link;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> this.noReadahead = this.conf.getBoolean(STORE_FILE_READER_NO_READAHEAD,<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> DEFAULT_STORE_FILE_READER_NO_READAHEAD);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> /**<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * Size of the Hfile<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> * @return size<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> */<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> public long getSize() {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return size;<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> * Sets the region coprocessor env.<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * @param coprocessorHost<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> */<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> public void setRegionCoprocessorHost(RegionCoprocessorHost coprocessorHost) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> this.coprocessorHost = coprocessorHost;<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> * @return the Reference object associated to this StoreFileInfo.<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * null if the StoreFile is not a<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * reference.<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> */<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> public Reference getReference() {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> return this.reference;<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> /** @return True if the store file is a Reference */<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> public boolean isReference() {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> return this.reference != null;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> /** @return True if the store file is a top Reference */<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public boolean isTopReference() {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return this.reference != null && Reference.isTopFileRegion(this.reference.getFileRegion());<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> /** @return True if the store file is a link */<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> public boolean isLink() {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> return this.link != null && this.reference == null;<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span><a name="line.266"></a> |
| <span class="sourceLineNo">267</span> /** @return the HDFS block distribution */<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> public HDFSBlocksDistribution getHDFSBlockDistribution() {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> return this.hdfsBlocksDistribution;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> }<a name="line.270"></a> |
| <span class="sourceLineNo">271</span><a name="line.271"></a> |
| <span class="sourceLineNo">272</span> StoreFileReader createReader(ReaderContext context, CacheConfig cacheConf) throws IOException {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> StoreFileReader reader = null;<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> if (this.reference != null) {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> reader = new HalfStoreFileReader(context, hfileInfo, cacheConf, reference, refCount, conf);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> } else {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> reader = new StoreFileReader(context, hfileInfo, cacheConf, refCount, conf);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> return reader;<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> }<a name="line.280"></a> |
| <span class="sourceLineNo">281</span><a name="line.281"></a> |
| <span class="sourceLineNo">282</span> ReaderContext createReaderContext(boolean doDropBehind, long readahead, ReaderType type)<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> throws IOException {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> FSDataInputStreamWrapper in;<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> FileStatus status;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> if (this.link != null) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> // HFileLink<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> in = new FSDataInputStreamWrapper(fs, this.link, doDropBehind, readahead);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> status = this.link.getFileStatus(fs);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> } else if (this.reference != null) {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> // HFile Reference<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> Path referencePath = getReferredToFile(this.getPath());<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> try {<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> in = new FSDataInputStreamWrapper(fs, referencePath, doDropBehind, readahead);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> } catch (FileNotFoundException fnfe) {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> // Intercept the exception so can insert more info about the Reference; otherwise<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> // exception just complains about some random file -- operator doesn't realize it<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> // other end of a Reference<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> FileNotFoundException newFnfe = new FileNotFoundException(toString());<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> newFnfe.initCause(fnfe);<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> throw newFnfe;<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> }<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> status = fs.getFileStatus(referencePath);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> } else {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> in = new FSDataInputStreamWrapper(fs, this.getPath(), doDropBehind, readahead);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> status = fs.getFileStatus(initialPath);<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> }<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> long length = status.getLen();<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> ReaderContextBuilder contextBuilder =<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> new ReaderContextBuilder().withInputStreamWrapper(in).withFileSize(length)<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> .withPrimaryReplicaReader(this.primaryReplica).withReaderType(type).withFileSystem(fs);<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> if (this.reference != null) {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> contextBuilder.withFilePath(this.getPath());<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> } else {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> contextBuilder.withFilePath(status.getPath());<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> return contextBuilder.build();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span><a name="line.319"></a> |
| <span class="sourceLineNo">320</span> /**<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> * Compute the HDFS Block Distribution for this StoreFile<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> */<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> public HDFSBlocksDistribution computeHDFSBlocksDistribution(final FileSystem fs)<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> throws IOException {<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> // guard against the case where we get the FileStatus from link, but by the time we<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> // call compute the file is moved again<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> if (this.link != null) {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> FileNotFoundException exToThrow = null;<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> for (int i = 0; i < this.link.getLocations().length; i++) {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> try {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> return computeHDFSBlocksDistributionInternal(fs);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> } catch (FileNotFoundException ex) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> // try the other location<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> exToThrow = ex;<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> throw exToThrow;<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> } else {<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> return computeHDFSBlocksDistributionInternal(fs);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> }<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span><a name="line.342"></a> |
| <span class="sourceLineNo">343</span> private HDFSBlocksDistribution computeHDFSBlocksDistributionInternal(final FileSystem fs)<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> throws IOException {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> FileStatus status = getReferencedFileStatus(fs);<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> if (this.reference != null) {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> return computeRefFileHDFSBlockDistribution(fs, reference, status);<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> } else {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> return FSUtils.computeHDFSBlocksDistribution(fs, status, 0, status.getLen());<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> }<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> }<a name="line.351"></a> |
| <span class="sourceLineNo">352</span><a name="line.352"></a> |
| <span class="sourceLineNo">353</span> /**<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> * Get the {@link FileStatus} of the file referenced by this StoreFileInfo<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> * @param fs The current file system to use.<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> * @return The {@link FileStatus} of the file referenced by this StoreFileInfo<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> */<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> public FileStatus getReferencedFileStatus(final FileSystem fs) throws IOException {<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> FileStatus status;<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> if (this.reference != null) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> if (this.link != null) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> FileNotFoundException exToThrow = null;<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> for (int i = 0; i < this.link.getLocations().length; i++) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> // HFileLink Reference<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> try {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> return link.getFileStatus(fs);<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> } catch (FileNotFoundException ex) {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> // try the other location<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> exToThrow = ex;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> }<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> throw exToThrow;<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> } else {<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> // HFile Reference<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> Path referencePath = getReferredToFile(this.getPath());<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> status = fs.getFileStatus(referencePath);<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> } else {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> if (this.link != null) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> FileNotFoundException exToThrow = null;<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> for (int i = 0; i < this.link.getLocations().length; i++) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> // HFileLink<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> try {<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> return link.getFileStatus(fs);<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> } catch (FileNotFoundException ex) {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> // try the other location<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> exToThrow = ex;<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> }<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> throw exToThrow;<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> } else {<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> status = fs.getFileStatus(initialPath);<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> return status;<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> }<a name="line.396"></a> |
| <span class="sourceLineNo">397</span><a name="line.397"></a> |
| <span class="sourceLineNo">398</span> /** @return The {@link Path} of the file */<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> public Path getPath() {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> return initialPath;<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> /** @return The {@link FileStatus} of the file */<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> public FileStatus getFileStatus() throws IOException {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> return getReferencedFileStatus(fs);<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span><a name="line.407"></a> |
| <span class="sourceLineNo">408</span> /** @return Get the modification time of the file. */<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> public long getModificationTime() throws IOException {<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> return getFileStatus().getModificationTime();<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span><a name="line.412"></a> |
| <span class="sourceLineNo">413</span> @Override<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> public String toString() {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> return this.getPath()<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> + (isReference() ? "->" + getReferredToFile(this.getPath()) + "-" + reference : "");<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span><a name="line.418"></a> |
| <span class="sourceLineNo">419</span> /**<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * @param path Path to check.<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> * @return True if the path has format of a HFile.<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> */<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> public static boolean isHFile(final Path path) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> return isHFile(path.getName());<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span><a name="line.426"></a> |
| <span class="sourceLineNo">427</span> public static boolean isHFile(final String fileName) {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> Matcher m = HFILE_NAME_PATTERN.matcher(fileName);<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> return m.matches() && m.groupCount() > 0;<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> }<a name="line.430"></a> |
| <span class="sourceLineNo">431</span><a name="line.431"></a> |
| <span class="sourceLineNo">432</span> /**<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> * Checks if the file is a MOB file<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> * @param path path to a file<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> * @return true, if - yes, false otherwise<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> */<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> public static boolean isMobFile(final Path path) {<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> String fileName = path.getName();<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> String[] parts = fileName.split(MobUtils.SEP);<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> if (parts.length != 2) {<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> return false;<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> Matcher m = HFILE_NAME_PATTERN.matcher(parts[0]);<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> Matcher mm = HFILE_NAME_PATTERN.matcher(parts[1]);<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> return m.matches() && mm.matches();<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> }<a name="line.446"></a> |
| <span class="sourceLineNo">447</span><a name="line.447"></a> |
| <span class="sourceLineNo">448</span> /**<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> * Checks if the file is a MOB reference file,<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> * created by snapshot<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> * @param path path to a file<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> * @return true, if - yes, false otherwise<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> */<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> public static boolean isMobRefFile(final Path path) {<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> String fileName = path.getName();<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> int lastIndex = fileName.lastIndexOf(MobUtils.SEP);<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> if (lastIndex < 0) {<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> return false;<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> }<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> String[] parts = new String[2];<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> parts[0] = fileName.substring(0, lastIndex);<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> parts[1] = fileName.substring(lastIndex + 1);<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> String name = parts[0] + "." + parts[1];<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> Matcher m = REF_NAME_PATTERN.matcher(name);<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> return m.matches() && m.groupCount() > 1;<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> /**<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> * @param path Path to check.<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> * @return True if the path has format of a HStoreFile reference.<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> */<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> public static boolean isReference(final Path path) {<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> return isReference(path.getName());<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> }<a name="line.475"></a> |
| <span class="sourceLineNo">476</span><a name="line.476"></a> |
| <span class="sourceLineNo">477</span> /**<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> * @param name file name to check.<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> * @return True if the path has format of a HStoreFile reference.<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> */<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> public static boolean isReference(final String name) {<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> Matcher m = REF_NAME_PATTERN.matcher(name);<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> return m.matches() && m.groupCount() > 1;<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> }<a name="line.484"></a> |
| <span class="sourceLineNo">485</span><a name="line.485"></a> |
| <span class="sourceLineNo">486</span> /**<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> * @return timestamp when this file was created (as returned by filesystem)<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> */<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> public long getCreatedTimestamp() {<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> return createdTimestamp;<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> }<a name="line.491"></a> |
| <span class="sourceLineNo">492</span><a name="line.492"></a> |
| <span class="sourceLineNo">493</span> /*<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> * Return path to the file referred to by a Reference. Presumes a directory hierarchy of<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> * <code>${hbase.rootdir}/data/${namespace}/tablename/regionname/familyname</code>.<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> * @param p Path to a Reference file.<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> * @return Calculated path to parent region file.<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> * @throws IllegalArgumentException when path regex fails to match.<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> */<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> public static Path getReferredToFile(final Path p) {<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> Matcher m = REF_NAME_PATTERN.matcher(p.getName());<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> if (m == null || !m.matches()) {<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> LOG.warn("Failed match of store file name {}", p.toString());<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> throw new IllegalArgumentException("Failed match of store file name " + p.toString());<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> }<a name="line.505"></a> |
| <span class="sourceLineNo">506</span><a name="line.506"></a> |
| <span class="sourceLineNo">507</span> // Other region name is suffix on the passed Reference file name<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> String otherRegion = m.group(2);<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> // Tabledir is up two directories from where Reference was written.<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> Path tableDir = p.getParent().getParent().getParent();<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> String nameStrippedOfSuffix = m.group(1);<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> LOG.trace("reference {} to region={} hfile={}", p, otherRegion, nameStrippedOfSuffix);<a name="line.512"></a> |
| <span class="sourceLineNo">513</span><a name="line.513"></a> |
| <span class="sourceLineNo">514</span> // Build up new path with the referenced region in place of our current<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> // region in the reference path. Also strip regionname suffix from name.<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> return new Path(new Path(new Path(tableDir, otherRegion), p.getParent().getName()),<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> nameStrippedOfSuffix);<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> }<a name="line.518"></a> |
| <span class="sourceLineNo">519</span><a name="line.519"></a> |
| <span class="sourceLineNo">520</span> /**<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> * Validate the store file name.<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> * @param fileName name of the file to validate<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> * @return <tt>true</tt> if the file could be a valid store file, <tt>false</tt> otherwise<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> */<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> public static boolean validateStoreFileName(final String fileName) {<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> if (HFileLink.isHFileLink(fileName) || isReference(fileName)) {<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> return true;<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> }<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> return !fileName.contains("-");<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> }<a name="line.530"></a> |
| <span class="sourceLineNo">531</span><a name="line.531"></a> |
| <span class="sourceLineNo">532</span> /**<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> * Return if the specified file is a valid store file or not.<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> * @param fileStatus The {@link FileStatus} of the file<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> * @return <tt>true</tt> if the file is valid<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> */<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> public static boolean isValid(final FileStatus fileStatus) throws IOException {<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> final Path p = fileStatus.getPath();<a name="line.538"></a> |
| <span class="sourceLineNo">539</span><a name="line.539"></a> |
| <span class="sourceLineNo">540</span> if (fileStatus.isDirectory()) {<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> return false;<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> // Check for empty hfile. Should never be the case but can happen<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> // after data loss in hdfs for whatever reason (upgrade, etc.): HBASE-646<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> // NOTE: that the HFileLink is just a name, so it's an empty file.<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> if (!HFileLink.isHFileLink(p) && fileStatus.getLen() <= 0) {<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> LOG.warn("Skipping {} because it is empty. HBASE-646 DATA LOSS?", p);<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> return false;<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> }<a name="line.550"></a> |
| <span class="sourceLineNo">551</span><a name="line.551"></a> |
| <span class="sourceLineNo">552</span> return validateStoreFileName(p.getName());<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> }<a name="line.553"></a> |
| <span class="sourceLineNo">554</span><a name="line.554"></a> |
| <span class="sourceLineNo">555</span> /**<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> * helper function to compute HDFS blocks distribution of a given reference file.For reference<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> * file, we don't compute the exact value. We use some estimate instead given it might be good<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> * enough. we assume bottom part takes the first half of reference file, top part takes the second<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> * half of the reference file. This is just estimate, given midkey ofregion != midkey of HFile,<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> * also the number and size of keys vary. If this estimate isn't good enough, we can improve it<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> * later.<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> * @param fs The FileSystem<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> * @param reference The reference<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> * @param status The reference FileStatus<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> * @return HDFS blocks distribution<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> */<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> private static HDFSBlocksDistribution computeRefFileHDFSBlockDistribution(final FileSystem fs,<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> final Reference reference, final FileStatus status) throws IOException {<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> if (status == null) {<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> return null;<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> long start = 0;<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> long length = 0;<a name="line.574"></a> |
| <span class="sourceLineNo">575</span><a name="line.575"></a> |
| <span class="sourceLineNo">576</span> if (Reference.isTopFileRegion(reference.getFileRegion())) {<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> start = status.getLen() / 2;<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> length = status.getLen() - status.getLen() / 2;<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> } else {<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> start = 0;<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> length = status.getLen() / 2;<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> }<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> return FSUtils.computeHDFSBlocksDistribution(fs, status, start, length);<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> }<a name="line.584"></a> |
| <span class="sourceLineNo">585</span><a name="line.585"></a> |
| <span class="sourceLineNo">586</span> @Override<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> public boolean equals(Object that) {<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> if (this == that) {<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> return true;<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> }<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> if (that == null) {<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> return false;<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> }<a name="line.593"></a> |
| <span class="sourceLineNo">594</span><a name="line.594"></a> |
| <span class="sourceLineNo">595</span> if (!(that instanceof StoreFileInfo)) {<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> return false;<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> }<a name="line.597"></a> |
| <span class="sourceLineNo">598</span><a name="line.598"></a> |
| <span class="sourceLineNo">599</span> StoreFileInfo o = (StoreFileInfo) that;<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> if (initialPath != null && o.initialPath == null) {<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> return false;<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> }<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> if (initialPath == null && o.initialPath != null) {<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> return false;<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> }<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> if (initialPath != o.initialPath && initialPath != null<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> && !initialPath.equals(o.initialPath)) {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> return false;<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> }<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> if (reference != null && o.reference == null) {<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> return false;<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> }<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> if (reference == null && o.reference != null) {<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> if (reference != o.reference && reference != null<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> && !reference.equals(o.reference)) {<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> return false;<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> if (link != null && o.link == null) {<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> return false;<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> }<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> if (link == null && o.link != null) {<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> return false;<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> }<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> if (link != o.link && link != null && !link.equals(o.link)) {<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> return false;<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> }<a name="line.629"></a> |
| <span class="sourceLineNo">630</span><a name="line.630"></a> |
| <span class="sourceLineNo">631</span> return true;<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> }<a name="line.632"></a> |
| <span class="sourceLineNo">633</span><a name="line.633"></a> |
| <span class="sourceLineNo">634</span> @Override<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> public int hashCode() {<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> int hash = 17;<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> hash = hash * 31 + ((reference == null) ? 0 : reference.hashCode());<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> hash = hash * 31 + ((initialPath == null) ? 0 : initialPath.hashCode());<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> hash = hash * 31 + ((link == null) ? 0 : link.hashCode());<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> return hash;<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> * Return the active file name that contains the real data.<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> * <p><a name="line.645"></a> |
| <span class="sourceLineNo">646</span> * For referenced hfile, we will return the name of the reference file as it will be used to<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> * construct the StoreFileReader. And for linked hfile, we will return the name of the file being<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> * linked.<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> */<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> public String getActiveFileName() {<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> if (reference != null || link == null) {<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> return initialPath.getName();<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> } else {<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> return HFileLink.getReferencedHFileName(initialPath.getName());<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><a name="line.657"></a> |
| <span class="sourceLineNo">658</span> FileSystem getFileSystem() {<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> return this.fs;<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> }<a name="line.660"></a> |
| <span class="sourceLineNo">661</span><a name="line.661"></a> |
| <span class="sourceLineNo">662</span> Configuration getConf() {<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> return this.conf;<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> }<a name="line.664"></a> |
| <span class="sourceLineNo">665</span><a name="line.665"></a> |
| <span class="sourceLineNo">666</span> boolean isNoReadahead() {<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> return this.noReadahead;<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> HFileInfo getHFileInfo() {<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> return hfileInfo;<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> }<a name="line.672"></a> |
| <span class="sourceLineNo">673</span><a name="line.673"></a> |
| <span class="sourceLineNo">674</span> void initHDFSBlocksDistribution() throws IOException {<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> hdfsBlocksDistribution = computeHDFSBlocksDistribution(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> StoreFileReader preStoreFileReaderOpen(ReaderContext context, CacheConfig cacheConf)<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> throws IOException {<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> StoreFileReader reader = null;<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> if (this.coprocessorHost != null) {<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> reader = this.coprocessorHost.preStoreFileReaderOpen(fs, this.getPath(),<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> context.getInputStreamWrapper(), context.getFileSize(), cacheConf, reference);<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> }<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> return reader;<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> }<a name="line.686"></a> |
| <span class="sourceLineNo">687</span><a name="line.687"></a> |
| <span class="sourceLineNo">688</span> StoreFileReader postStoreFileReaderOpen(ReaderContext context, CacheConfig cacheConf,<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> StoreFileReader reader) throws IOException {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> StoreFileReader res = reader;<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> if (this.coprocessorHost != null) {<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> res = this.coprocessorHost.postStoreFileReaderOpen(fs, this.getPath(),<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> context.getInputStreamWrapper(), context.getFileSize(), cacheConf, reference, reader);<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> }<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> return res;<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> }<a name="line.696"></a> |
| <span class="sourceLineNo">697</span><a name="line.697"></a> |
| <span class="sourceLineNo">698</span> public void initHFileInfo(ReaderContext context) throws IOException {<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> this.hfileInfo = new HFileInfo(context, conf);<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> }<a name="line.700"></a> |
| <span class="sourceLineNo">701</span>}<a name="line.701"></a> |
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