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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.wal;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.FileNotFoundException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.IOException;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.UnsupportedEncodingException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.net.URLDecoder;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.nio.charset.StandardCharsets;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.ArrayList;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Collections;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Comparator;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.List;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.locks.ReadWriteLock;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.concurrent.locks.ReentrantReadWriteLock;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.regex.Matcher;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.regex.Pattern;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.util.Addressing;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.util.CancelableProgressable;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.RecoverLeaseFSUtils;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.slf4j.Logger;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hbase.thirdparty.com.google.common.collect.Lists;</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53">/**</span> |
| <span class="source-line-no">054</span><span id="line-54"> * Base class of a WAL Provider that returns a single thread safe WAL that writes to Hadoop FS. By</span> |
| <span class="source-line-no">055</span><span id="line-55"> * default, this implementation picks a directory in Hadoop FS based on a combination of</span> |
| <span class="source-line-no">056</span><span id="line-56"> * <ul></span> |
| <span class="source-line-no">057</span><span id="line-57"> * <li>the HBase root directory</span> |
| <span class="source-line-no">058</span><span id="line-58"> * <li>HConstants.HREGION_LOGDIR_NAME</span> |
| <span class="source-line-no">059</span><span id="line-59"> * <li>the given factory's factoryId (usually identifying the regionserver by host:port)</span> |
| <span class="source-line-no">060</span><span id="line-60"> * </ul></span> |
| <span class="source-line-no">061</span><span id="line-61"> * It also uses the providerId to differentiate among files.</span> |
| <span class="source-line-no">062</span><span id="line-62"> */</span> |
| <span class="source-line-no">063</span><span id="line-63">@InterfaceAudience.Private</span> |
| <span class="source-line-no">064</span><span id="line-64">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">065</span><span id="line-65">public abstract class AbstractFSWALProvider<T extends AbstractFSWAL<?>></span> |
| <span class="source-line-no">066</span><span id="line-66"> extends AbstractWALProvider {</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> private static final Logger LOG = LoggerFactory.getLogger(AbstractFSWALProvider.class);</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> /** Separate old log into different dir by regionserver name **/</span> |
| <span class="source-line-no">071</span><span id="line-71"> public static final String SEPARATE_OLDLOGDIR = "hbase.separate.oldlogdir.by.regionserver";</span> |
| <span class="source-line-no">072</span><span id="line-72"> public static final boolean DEFAULT_SEPARATE_OLDLOGDIR = false;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> public interface Initializer {</span> |
| <span class="source-line-no">075</span><span id="line-75"> /**</span> |
| <span class="source-line-no">076</span><span id="line-76"> * A method to initialize a WAL reader.</span> |
| <span class="source-line-no">077</span><span id="line-77"> * @param startPosition the start position you want to read from, -1 means start reading from</span> |
| <span class="source-line-no">078</span><span id="line-78"> * the first WAL entry. Notice that, the first entry is not started at</span> |
| <span class="source-line-no">079</span><span id="line-79"> * position as we have several headers, so typically you should not pass 0</span> |
| <span class="source-line-no">080</span><span id="line-80"> * here.</span> |
| <span class="source-line-no">081</span><span id="line-81"> */</span> |
| <span class="source-line-no">082</span><span id="line-82"> void init(FileSystem fs, Path path, Configuration c, long startPosition) throws IOException;</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> protected volatile T wal;</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> /**</span> |
| <span class="source-line-no">088</span><span id="line-88"> * We use walCreateLock to prevent wal recreation in different threads, and also prevent getWALs</span> |
| <span class="source-line-no">089</span><span id="line-89"> * missing the newly created WAL, see HBASE-21503 for more details.</span> |
| <span class="source-line-no">090</span><span id="line-90"> */</span> |
| <span class="source-line-no">091</span><span id="line-91"> private final ReadWriteLock walCreateLock = new ReentrantReadWriteLock();</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> /**</span> |
| <span class="source-line-no">094</span><span id="line-94"> * @param factory factory that made us, identity used for FS layout. may not be null</span> |
| <span class="source-line-no">095</span><span id="line-95"> * @param conf may not be null</span> |
| <span class="source-line-no">096</span><span id="line-96"> * @param providerId differentiate between providers from one factory, used for FS layout. may be</span> |
| <span class="source-line-no">097</span><span id="line-97"> * null</span> |
| <span class="source-line-no">098</span><span id="line-98"> */</span> |
| <span class="source-line-no">099</span><span id="line-99"> @Override</span> |
| <span class="source-line-no">100</span><span id="line-100"> protected void doInit(WALFactory factory, Configuration conf, String providerId)</span> |
| <span class="source-line-no">101</span><span id="line-101"> throws IOException {</span> |
| <span class="source-line-no">102</span><span id="line-102"> this.providerId = providerId;</span> |
| <span class="source-line-no">103</span><span id="line-103"> // get log prefix</span> |
| <span class="source-line-no">104</span><span id="line-104"> StringBuilder sb = new StringBuilder().append(factory.factoryId);</span> |
| <span class="source-line-no">105</span><span id="line-105"> if (providerId != null) {</span> |
| <span class="source-line-no">106</span><span id="line-106"> if (providerId.startsWith(WAL_FILE_NAME_DELIMITER)) {</span> |
| <span class="source-line-no">107</span><span id="line-107"> sb.append(providerId);</span> |
| <span class="source-line-no">108</span><span id="line-108"> } else {</span> |
| <span class="source-line-no">109</span><span id="line-109"> sb.append(WAL_FILE_NAME_DELIMITER).append(providerId);</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"> logPrefix = sb.toString();</span> |
| <span class="source-line-no">113</span><span id="line-113"> doInit(conf);</span> |
| <span class="source-line-no">114</span><span id="line-114"> }</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> @Override</span> |
| <span class="source-line-no">117</span><span id="line-117"> protected List<WAL> getWALs0() {</span> |
| <span class="source-line-no">118</span><span id="line-118"> if (wal != null) {</span> |
| <span class="source-line-no">119</span><span id="line-119"> return Lists.newArrayList(wal);</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"> walCreateLock.readLock().lock();</span> |
| <span class="source-line-no">122</span><span id="line-122"> try {</span> |
| <span class="source-line-no">123</span><span id="line-123"> if (wal == null) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> return Collections.emptyList();</span> |
| <span class="source-line-no">125</span><span id="line-125"> } else {</span> |
| <span class="source-line-no">126</span><span id="line-126"> return Lists.newArrayList(wal);</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"> } finally {</span> |
| <span class="source-line-no">129</span><span id="line-129"> walCreateLock.readLock().unlock();</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> @Override</span> |
| <span class="source-line-no">134</span><span id="line-134"> protected T getWAL0(RegionInfo region) throws IOException {</span> |
| <span class="source-line-no">135</span><span id="line-135"> T walCopy = wal;</span> |
| <span class="source-line-no">136</span><span id="line-136"> if (walCopy != null) {</span> |
| <span class="source-line-no">137</span><span id="line-137"> return walCopy;</span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"> walCreateLock.writeLock().lock();</span> |
| <span class="source-line-no">140</span><span id="line-140"> try {</span> |
| <span class="source-line-no">141</span><span id="line-141"> walCopy = wal;</span> |
| <span class="source-line-no">142</span><span id="line-142"> if (walCopy != null) {</span> |
| <span class="source-line-no">143</span><span id="line-143"> return walCopy;</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"> walCopy = createWAL();</span> |
| <span class="source-line-no">146</span><span id="line-146"> initWAL(walCopy);</span> |
| <span class="source-line-no">147</span><span id="line-147"> wal = walCopy;</span> |
| <span class="source-line-no">148</span><span id="line-148"> return walCopy;</span> |
| <span class="source-line-no">149</span><span id="line-149"> } finally {</span> |
| <span class="source-line-no">150</span><span id="line-150"> walCreateLock.writeLock().unlock();</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> protected abstract T createWAL() throws IOException;</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> protected abstract void doInit(Configuration conf) throws IOException;</span> |
| <span class="source-line-no">157</span><span id="line-157"></span> |
| <span class="source-line-no">158</span><span id="line-158"> @Override</span> |
| <span class="source-line-no">159</span><span id="line-159"> protected void shutdown0() throws IOException {</span> |
| <span class="source-line-no">160</span><span id="line-160"> T log = this.wal;</span> |
| <span class="source-line-no">161</span><span id="line-161"> if (log != null) {</span> |
| <span class="source-line-no">162</span><span id="line-162"> log.shutdown();</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"></span> |
| <span class="source-line-no">166</span><span id="line-166"> @Override</span> |
| <span class="source-line-no">167</span><span id="line-167"> protected void close0() throws IOException {</span> |
| <span class="source-line-no">168</span><span id="line-168"> T log = this.wal;</span> |
| <span class="source-line-no">169</span><span id="line-169"> if (log != null) {</span> |
| <span class="source-line-no">170</span><span id="line-170"> log.close();</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"> }</span> |
| <span class="source-line-no">173</span><span id="line-173"></span> |
| <span class="source-line-no">174</span><span id="line-174"> /**</span> |
| <span class="source-line-no">175</span><span id="line-175"> * iff the given WALFactory is using the DefaultWALProvider for meta and/or non-meta, count the</span> |
| <span class="source-line-no">176</span><span id="line-176"> * number of files (rolled and active). if either of them aren't, count 0 for that provider.</span> |
| <span class="source-line-no">177</span><span id="line-177"> */</span> |
| <span class="source-line-no">178</span><span id="line-178"> @Override</span> |
| <span class="source-line-no">179</span><span id="line-179"> protected long getNumLogFiles0() {</span> |
| <span class="source-line-no">180</span><span id="line-180"> T log = this.wal;</span> |
| <span class="source-line-no">181</span><span id="line-181"> return log == null ? 0 : log.getNumLogFiles();</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> /**</span> |
| <span class="source-line-no">185</span><span id="line-185"> * iff the given WALFactory is using the DefaultWALProvider for meta and/or non-meta, count the</span> |
| <span class="source-line-no">186</span><span id="line-186"> * size of files (only rolled). if either of them aren't, count 0 for that provider.</span> |
| <span class="source-line-no">187</span><span id="line-187"> */</span> |
| <span class="source-line-no">188</span><span id="line-188"> @Override</span> |
| <span class="source-line-no">189</span><span id="line-189"> protected long getLogFileSize0() {</span> |
| <span class="source-line-no">190</span><span id="line-190"> T log = this.wal;</span> |
| <span class="source-line-no">191</span><span id="line-191"> return log == null ? 0 : log.getLogFileSize();</span> |
| <span class="source-line-no">192</span><span id="line-192"> }</span> |
| <span class="source-line-no">193</span><span id="line-193"></span> |
| <span class="source-line-no">194</span><span id="line-194"> @Override</span> |
| <span class="source-line-no">195</span><span id="line-195"> protected WAL createRemoteWAL(RegionInfo region, FileSystem remoteFs, Path remoteWALDir,</span> |
| <span class="source-line-no">196</span><span id="line-196"> String prefix, String suffix) throws IOException {</span> |
| <span class="source-line-no">197</span><span id="line-197"> // so we do not need to add this for a lot of test classes, for normal WALProvider, you should</span> |
| <span class="source-line-no">198</span><span id="line-198"> // implement this method to support sync replication.</span> |
| <span class="source-line-no">199</span><span id="line-199"> throw new UnsupportedOperationException();</span> |
| <span class="source-line-no">200</span><span id="line-200"> }</span> |
| <span class="source-line-no">201</span><span id="line-201"></span> |
| <span class="source-line-no">202</span><span id="line-202"> /**</span> |
| <span class="source-line-no">203</span><span id="line-203"> * returns the number of rolled WAL files.</span> |
| <span class="source-line-no">204</span><span id="line-204"> */</span> |
| <span class="source-line-no">205</span><span id="line-205"> public static int getNumRolledLogFiles(WAL wal) {</span> |
| <span class="source-line-no">206</span><span id="line-206"> return ((AbstractFSWAL<?>) wal).getNumRolledLogFiles();</span> |
| <span class="source-line-no">207</span><span id="line-207"> }</span> |
| <span class="source-line-no">208</span><span id="line-208"></span> |
| <span class="source-line-no">209</span><span id="line-209"> /**</span> |
| <span class="source-line-no">210</span><span id="line-210"> * returns the size of rolled WAL files.</span> |
| <span class="source-line-no">211</span><span id="line-211"> */</span> |
| <span class="source-line-no">212</span><span id="line-212"> public static long getLogFileSize(WAL wal) {</span> |
| <span class="source-line-no">213</span><span id="line-213"> return ((AbstractFSWAL<?>) wal).getLogFileSize();</span> |
| <span class="source-line-no">214</span><span id="line-214"> }</span> |
| <span class="source-line-no">215</span><span id="line-215"></span> |
| <span class="source-line-no">216</span><span id="line-216"> /**</span> |
| <span class="source-line-no">217</span><span id="line-217"> * return the current filename from the current wal.</span> |
| <span class="source-line-no">218</span><span id="line-218"> */</span> |
| <span class="source-line-no">219</span><span id="line-219"> public static Path getCurrentFileName(final WAL wal) {</span> |
| <span class="source-line-no">220</span><span id="line-220"> return ((AbstractFSWAL<?>) wal).getCurrentFileName();</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"></span> |
| <span class="source-line-no">223</span><span id="line-223"> /**</span> |
| <span class="source-line-no">224</span><span id="line-224"> * request a log roll, but don't actually do it.</span> |
| <span class="source-line-no">225</span><span id="line-225"> */</span> |
| <span class="source-line-no">226</span><span id="line-226"> static void requestLogRoll(final WAL wal) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> ((AbstractFSWAL<?>) wal).requestLogRoll();</span> |
| <span class="source-line-no">228</span><span id="line-228"> }</span> |
| <span class="source-line-no">229</span><span id="line-229"></span> |
| <span class="source-line-no">230</span><span id="line-230"> // should be package private; more visible for use in AbstractFSWAL</span> |
| <span class="source-line-no">231</span><span id="line-231"> public static final String WAL_FILE_NAME_DELIMITER = ".";</span> |
| <span class="source-line-no">232</span><span id="line-232"> /** The hbase:meta region's WAL filename extension */</span> |
| <span class="source-line-no">233</span><span id="line-233"> public static final String META_WAL_PROVIDER_ID = ".meta";</span> |
| <span class="source-line-no">234</span><span id="line-234"> static final String DEFAULT_PROVIDER_ID = "default";</span> |
| <span class="source-line-no">235</span><span id="line-235"></span> |
| <span class="source-line-no">236</span><span id="line-236"> // Implementation details that currently leak in tests or elsewhere follow</span> |
| <span class="source-line-no">237</span><span id="line-237"> /** File Extension used while splitting an WAL into regions (HBASE-2312) */</span> |
| <span class="source-line-no">238</span><span id="line-238"> public static final String SPLITTING_EXT = "-splitting";</span> |
| <span class="source-line-no">239</span><span id="line-239"></span> |
| <span class="source-line-no">240</span><span id="line-240"> /**</span> |
| <span class="source-line-no">241</span><span id="line-241"> * Pattern used to validate a WAL file name see {@link #validateWALFilename(String)} for</span> |
| <span class="source-line-no">242</span><span id="line-242"> * description.</span> |
| <span class="source-line-no">243</span><span id="line-243"> */</span> |
| <span class="source-line-no">244</span><span id="line-244"> private static final Pattern WAL_FILE_NAME_PATTERN =</span> |
| <span class="source-line-no">245</span><span id="line-245"> Pattern.compile("(.+)\\.(\\d+)(\\.[0-9A-Za-z]+)?");</span> |
| <span class="source-line-no">246</span><span id="line-246"></span> |
| <span class="source-line-no">247</span><span id="line-247"> /**</span> |
| <span class="source-line-no">248</span><span id="line-248"> * Define for when no timestamp found.</span> |
| <span class="source-line-no">249</span><span id="line-249"> */</span> |
| <span class="source-line-no">250</span><span id="line-250"> private static final long NO_TIMESTAMP = -1L;</span> |
| <span class="source-line-no">251</span><span id="line-251"></span> |
| <span class="source-line-no">252</span><span id="line-252"> /**</span> |
| <span class="source-line-no">253</span><span id="line-253"> * It returns the file create timestamp (the 'FileNum') from the file name. For name format see</span> |
| <span class="source-line-no">254</span><span id="line-254"> * {@link #validateWALFilename(String)} public until remaining tests move to o.a.h.h.wal</span> |
| <span class="source-line-no">255</span><span id="line-255"> * @param wal must not be null</span> |
| <span class="source-line-no">256</span><span id="line-256"> * @return the file number that is part of the WAL file name</span> |
| <span class="source-line-no">257</span><span id="line-257"> */</span> |
| <span class="source-line-no">258</span><span id="line-258"> public static long extractFileNumFromWAL(final WAL wal) {</span> |
| <span class="source-line-no">259</span><span id="line-259"> final Path walPath = ((AbstractFSWAL<?>) wal).getCurrentFileName();</span> |
| <span class="source-line-no">260</span><span id="line-260"> if (walPath == null) {</span> |
| <span class="source-line-no">261</span><span id="line-261"> throw new IllegalArgumentException("The WAL path couldn't be null");</span> |
| <span class="source-line-no">262</span><span id="line-262"> }</span> |
| <span class="source-line-no">263</span><span id="line-263"> String name = walPath.getName();</span> |
| <span class="source-line-no">264</span><span id="line-264"> long timestamp = getTimestamp(name);</span> |
| <span class="source-line-no">265</span><span id="line-265"> if (timestamp == NO_TIMESTAMP) {</span> |
| <span class="source-line-no">266</span><span id="line-266"> throw new IllegalArgumentException(name + " is not a valid wal file name");</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"> return timestamp;</span> |
| <span class="source-line-no">269</span><span id="line-269"> }</span> |
| <span class="source-line-no">270</span><span id="line-270"></span> |
| <span class="source-line-no">271</span><span id="line-271"> /**</span> |
| <span class="source-line-no">272</span><span id="line-272"> * A WAL file name is of the format: &lt;wal-name&gt;{@link #WAL_FILE_NAME_DELIMITER}</span> |
| <span class="source-line-no">273</span><span id="line-273"> * &lt;file-creation-timestamp&gt;[.&lt;suffix&gt;]. provider-name is usually made up of a</span> |
| <span class="source-line-no">274</span><span id="line-274"> * server-name and a provider-id</span> |
| <span class="source-line-no">275</span><span id="line-275"> * @param filename name of the file to validate</span> |
| <span class="source-line-no">276</span><span id="line-276"> * @return <tt>true</tt> if the filename matches an WAL, <tt>false</tt> otherwise</span> |
| <span class="source-line-no">277</span><span id="line-277"> */</span> |
| <span class="source-line-no">278</span><span id="line-278"> public static boolean validateWALFilename(String filename) {</span> |
| <span class="source-line-no">279</span><span id="line-279"> return WAL_FILE_NAME_PATTERN.matcher(filename).matches();</span> |
| <span class="source-line-no">280</span><span id="line-280"> }</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> /**</span> |
| <span class="source-line-no">283</span><span id="line-283"> * Split a WAL filename to get a start time. WALs usually have the time we start writing to them</span> |
| <span class="source-line-no">284</span><span id="line-284"> * with as part of their name, usually the suffix. Sometimes there will be an extra suffix as when</span> |
| <span class="source-line-no">285</span><span id="line-285"> * it is a WAL for the meta table. For example, WALs might look like this</span> |
| <span class="source-line-no">286</span><span id="line-286"> * <code>10.20.20.171%3A60020.1277499063250</code> where <code>1277499063250</code> is the</span> |
| <span class="source-line-no">287</span><span id="line-287"> * timestamp. Could also be a meta WAL which adds a '.meta' suffix or a synchronous replication</span> |
| <span class="source-line-no">288</span><span id="line-288"> * WAL which adds a '.syncrep' suffix. Check for these. File also may have no timestamp on it. For</span> |
| <span class="source-line-no">289</span><span id="line-289"> * example the recovered.edits files are WALs but are named in ascending order. Here is an</span> |
| <span class="source-line-no">290</span><span id="line-290"> * example: 0000000000000016310. Allow for this.</span> |
| <span class="source-line-no">291</span><span id="line-291"> * @param name Name of the WAL file.</span> |
| <span class="source-line-no">292</span><span id="line-292"> * @return Timestamp or {@link #NO_TIMESTAMP}.</span> |
| <span class="source-line-no">293</span><span id="line-293"> */</span> |
| <span class="source-line-no">294</span><span id="line-294"> public static long getTimestamp(String name) {</span> |
| <span class="source-line-no">295</span><span id="line-295"> Matcher matcher = WAL_FILE_NAME_PATTERN.matcher(name);</span> |
| <span class="source-line-no">296</span><span id="line-296"> return matcher.matches() ? Long.parseLong(matcher.group(2)) : NO_TIMESTAMP;</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"></span> |
| <span class="source-line-no">299</span><span id="line-299"> public static final Comparator<Path> TIMESTAMP_COMPARATOR =</span> |
| <span class="source-line-no">300</span><span id="line-300"> Comparator.<Path, Long> comparing(p -> AbstractFSWALProvider.getTimestamp(p.getName()))</span> |
| <span class="source-line-no">301</span><span id="line-301"> .thenComparing(Path::getName);</span> |
| <span class="source-line-no">302</span><span id="line-302"></span> |
| <span class="source-line-no">303</span><span id="line-303"> /**</span> |
| <span class="source-line-no">304</span><span id="line-304"> * Construct the directory name for all WALs on a given server. Dir names currently look like this</span> |
| <span class="source-line-no">305</span><span id="line-305"> * for WALs: <code>hbase//WALs/kalashnikov.att.net,61634,1486865297088</code>.</span> |
| <span class="source-line-no">306</span><span id="line-306"> * @param serverName Server name formatted as described in {@link ServerName}</span> |
| <span class="source-line-no">307</span><span id="line-307"> * @return the relative WAL directory name, e.g. <code>.logs/1.example.org,60030,12345</code> if</span> |
| <span class="source-line-no">308</span><span id="line-308"> * <code>serverName</code> passed is <code>1.example.org,60030,12345</code></span> |
| <span class="source-line-no">309</span><span id="line-309"> */</span> |
| <span class="source-line-no">310</span><span id="line-310"> public static String getWALDirectoryName(final String serverName) {</span> |
| <span class="source-line-no">311</span><span id="line-311"> StringBuilder dirName = new StringBuilder(HConstants.HREGION_LOGDIR_NAME);</span> |
| <span class="source-line-no">312</span><span id="line-312"> dirName.append("/");</span> |
| <span class="source-line-no">313</span><span id="line-313"> dirName.append(serverName);</span> |
| <span class="source-line-no">314</span><span id="line-314"> return dirName.toString();</span> |
| <span class="source-line-no">315</span><span id="line-315"> }</span> |
| <span class="source-line-no">316</span><span id="line-316"></span> |
| <span class="source-line-no">317</span><span id="line-317"> /**</span> |
| <span class="source-line-no">318</span><span id="line-318"> * Construct the directory name for all old WALs on a given server. The default old WALs dir looks</span> |
| <span class="source-line-no">319</span><span id="line-319"> * like: <code>hbase/oldWALs</code>. If you config hbase.separate.oldlogdir.by.regionserver to</span> |
| <span class="source-line-no">320</span><span id="line-320"> * true, it looks like <code>hbase//oldWALs/kalashnikov.att.net,61634,1486865297088</code>.</span> |
| <span class="source-line-no">321</span><span id="line-321"> * @param serverName Server name formatted as described in {@link ServerName}</span> |
| <span class="source-line-no">322</span><span id="line-322"> * @return the relative WAL directory name</span> |
| <span class="source-line-no">323</span><span id="line-323"> */</span> |
| <span class="source-line-no">324</span><span id="line-324"> public static String getWALArchiveDirectoryName(Configuration conf, final String serverName) {</span> |
| <span class="source-line-no">325</span><span id="line-325"> StringBuilder dirName = new StringBuilder(HConstants.HREGION_OLDLOGDIR_NAME);</span> |
| <span class="source-line-no">326</span><span id="line-326"> if (conf.getBoolean(SEPARATE_OLDLOGDIR, DEFAULT_SEPARATE_OLDLOGDIR)) {</span> |
| <span class="source-line-no">327</span><span id="line-327"> dirName.append(Path.SEPARATOR);</span> |
| <span class="source-line-no">328</span><span id="line-328"> dirName.append(serverName);</span> |
| <span class="source-line-no">329</span><span id="line-329"> }</span> |
| <span class="source-line-no">330</span><span id="line-330"> return dirName.toString();</span> |
| <span class="source-line-no">331</span><span id="line-331"> }</span> |
| <span class="source-line-no">332</span><span id="line-332"></span> |
| <span class="source-line-no">333</span><span id="line-333"> /**</span> |
| <span class="source-line-no">334</span><span id="line-334"> * List all the old wal files for a dead region server.</span> |
| <span class="source-line-no">335</span><span id="line-335"> * <p/></span> |
| <span class="source-line-no">336</span><span id="line-336"> * Initially added for supporting replication, where we need to get the wal files to replicate for</span> |
| <span class="source-line-no">337</span><span id="line-337"> * a dead region server.</span> |
| <span class="source-line-no">338</span><span id="line-338"> */</span> |
| <span class="source-line-no">339</span><span id="line-339"> public static List<Path> getArchivedWALFiles(Configuration conf, ServerName serverName,</span> |
| <span class="source-line-no">340</span><span id="line-340"> String logPrefix) throws IOException {</span> |
| <span class="source-line-no">341</span><span id="line-341"> Path walRootDir = CommonFSUtils.getWALRootDir(conf);</span> |
| <span class="source-line-no">342</span><span id="line-342"> FileSystem fs = walRootDir.getFileSystem(conf);</span> |
| <span class="source-line-no">343</span><span id="line-343"> List<Path> archivedWalFiles = new ArrayList<>();</span> |
| <span class="source-line-no">344</span><span id="line-344"> // list both the root old wal dir and the separate old wal dir, so we will not miss any files if</span> |
| <span class="source-line-no">345</span><span id="line-345"> // the SEPARATE_OLDLOGDIR config is changed</span> |
| <span class="source-line-no">346</span><span id="line-346"> Path oldWalDir = new Path(walRootDir, HConstants.HREGION_OLDLOGDIR_NAME);</span> |
| <span class="source-line-no">347</span><span id="line-347"> try {</span> |
| <span class="source-line-no">348</span><span id="line-348"> for (FileStatus status : fs.listStatus(oldWalDir, p -> p.getName().startsWith(logPrefix))) {</span> |
| <span class="source-line-no">349</span><span id="line-349"> if (status.isFile()) {</span> |
| <span class="source-line-no">350</span><span id="line-350"> archivedWalFiles.add(status.getPath());</span> |
| <span class="source-line-no">351</span><span id="line-351"> }</span> |
| <span class="source-line-no">352</span><span id="line-352"> }</span> |
| <span class="source-line-no">353</span><span id="line-353"> } catch (FileNotFoundException e) {</span> |
| <span class="source-line-no">354</span><span id="line-354"> LOG.info("Old WAL dir {} not exists", oldWalDir);</span> |
| <span class="source-line-no">355</span><span id="line-355"> return Collections.emptyList();</span> |
| <span class="source-line-no">356</span><span id="line-356"> }</span> |
| <span class="source-line-no">357</span><span id="line-357"> Path separatedOldWalDir = new Path(oldWalDir, serverName.toString());</span> |
| <span class="source-line-no">358</span><span id="line-358"> try {</span> |
| <span class="source-line-no">359</span><span id="line-359"> for (FileStatus status : fs.listStatus(separatedOldWalDir,</span> |
| <span class="source-line-no">360</span><span id="line-360"> p -> p.getName().startsWith(logPrefix))) {</span> |
| <span class="source-line-no">361</span><span id="line-361"> if (status.isFile()) {</span> |
| <span class="source-line-no">362</span><span id="line-362"> archivedWalFiles.add(status.getPath());</span> |
| <span class="source-line-no">363</span><span id="line-363"> }</span> |
| <span class="source-line-no">364</span><span id="line-364"> }</span> |
| <span class="source-line-no">365</span><span id="line-365"> } catch (FileNotFoundException e) {</span> |
| <span class="source-line-no">366</span><span id="line-366"> LOG.info("Seprated old WAL dir {} not exists", separatedOldWalDir);</span> |
| <span class="source-line-no">367</span><span id="line-367"> }</span> |
| <span class="source-line-no">368</span><span id="line-368"> return archivedWalFiles;</span> |
| <span class="source-line-no">369</span><span id="line-369"> }</span> |
| <span class="source-line-no">370</span><span id="line-370"></span> |
| <span class="source-line-no">371</span><span id="line-371"> /**</span> |
| <span class="source-line-no">372</span><span id="line-372"> * List all the wal files for a logPrefix.</span> |
| <span class="source-line-no">373</span><span id="line-373"> */</span> |
| <span class="source-line-no">374</span><span id="line-374"> public static List<Path> getWALFiles(Configuration c, ServerName serverName) throws IOException {</span> |
| <span class="source-line-no">375</span><span id="line-375"> Path walRoot = new Path(CommonFSUtils.getWALRootDir(c), HConstants.HREGION_LOGDIR_NAME);</span> |
| <span class="source-line-no">376</span><span id="line-376"> FileSystem fs = walRoot.getFileSystem(c);</span> |
| <span class="source-line-no">377</span><span id="line-377"> List<Path> walFiles = new ArrayList<>();</span> |
| <span class="source-line-no">378</span><span id="line-378"> Path walDir = new Path(walRoot, serverName.toString());</span> |
| <span class="source-line-no">379</span><span id="line-379"> try {</span> |
| <span class="source-line-no">380</span><span id="line-380"> for (FileStatus status : fs.listStatus(walDir)) {</span> |
| <span class="source-line-no">381</span><span id="line-381"> if (status.isFile()) {</span> |
| <span class="source-line-no">382</span><span id="line-382"> walFiles.add(status.getPath());</span> |
| <span class="source-line-no">383</span><span id="line-383"> }</span> |
| <span class="source-line-no">384</span><span id="line-384"> }</span> |
| <span class="source-line-no">385</span><span id="line-385"> } catch (FileNotFoundException e) {</span> |
| <span class="source-line-no">386</span><span id="line-386"> LOG.info("WAL dir {} not exists", walDir);</span> |
| <span class="source-line-no">387</span><span id="line-387"> }</span> |
| <span class="source-line-no">388</span><span id="line-388"> return walFiles;</span> |
| <span class="source-line-no">389</span><span id="line-389"> }</span> |
| <span class="source-line-no">390</span><span id="line-390"></span> |
| <span class="source-line-no">391</span><span id="line-391"> /**</span> |
| <span class="source-line-no">392</span><span id="line-392"> * Pulls a ServerName out of a Path generated according to our layout rules. In the below layouts,</span> |
| <span class="source-line-no">393</span><span id="line-393"> * this method ignores the format of the logfile component. Current format: [base directory for</span> |
| <span class="source-line-no">394</span><span id="line-394"> * hbase]/hbase/.logs/ServerName/logfile or [base directory for</span> |
| <span class="source-line-no">395</span><span id="line-395"> * hbase]/hbase/.logs/ServerName-splitting/logfile Expected to work for individual log files and</span> |
| <span class="source-line-no">396</span><span id="line-396"> * server-specific directories.</span> |
| <span class="source-line-no">397</span><span id="line-397"> * @return null if it's not a log file. Returns the ServerName of the region server that created</span> |
| <span class="source-line-no">398</span><span id="line-398"> * this log file otherwise.</span> |
| <span class="source-line-no">399</span><span id="line-399"> */</span> |
| <span class="source-line-no">400</span><span id="line-400"> public static ServerName getServerNameFromWALDirectoryName(Configuration conf, String path)</span> |
| <span class="source-line-no">401</span><span id="line-401"> throws IOException {</span> |
| <span class="source-line-no">402</span><span id="line-402"> if (path == null || path.length() <= HConstants.HREGION_LOGDIR_NAME.length()) {</span> |
| <span class="source-line-no">403</span><span id="line-403"> return null;</span> |
| <span class="source-line-no">404</span><span id="line-404"> }</span> |
| <span class="source-line-no">405</span><span id="line-405"></span> |
| <span class="source-line-no">406</span><span id="line-406"> if (conf == null) {</span> |
| <span class="source-line-no">407</span><span id="line-407"> throw new IllegalArgumentException("parameter conf must be set");</span> |
| <span class="source-line-no">408</span><span id="line-408"> }</span> |
| <span class="source-line-no">409</span><span id="line-409"></span> |
| <span class="source-line-no">410</span><span id="line-410"> final String rootDir = conf.get(HConstants.HBASE_DIR);</span> |
| <span class="source-line-no">411</span><span id="line-411"> if (rootDir == null || rootDir.isEmpty()) {</span> |
| <span class="source-line-no">412</span><span id="line-412"> throw new IllegalArgumentException(HConstants.HBASE_DIR + " key not found in conf.");</span> |
| <span class="source-line-no">413</span><span id="line-413"> }</span> |
| <span class="source-line-no">414</span><span id="line-414"></span> |
| <span class="source-line-no">415</span><span id="line-415"> final StringBuilder startPathSB = new StringBuilder(rootDir);</span> |
| <span class="source-line-no">416</span><span id="line-416"> if (!rootDir.endsWith("/")) {</span> |
| <span class="source-line-no">417</span><span id="line-417"> startPathSB.append('/');</span> |
| <span class="source-line-no">418</span><span id="line-418"> }</span> |
| <span class="source-line-no">419</span><span id="line-419"> startPathSB.append(HConstants.HREGION_LOGDIR_NAME);</span> |
| <span class="source-line-no">420</span><span id="line-420"> if (!HConstants.HREGION_LOGDIR_NAME.endsWith("/")) {</span> |
| <span class="source-line-no">421</span><span id="line-421"> startPathSB.append('/');</span> |
| <span class="source-line-no">422</span><span id="line-422"> }</span> |
| <span class="source-line-no">423</span><span id="line-423"> final String startPath = startPathSB.toString();</span> |
| <span class="source-line-no">424</span><span id="line-424"></span> |
| <span class="source-line-no">425</span><span id="line-425"> String fullPath;</span> |
| <span class="source-line-no">426</span><span id="line-426"> try {</span> |
| <span class="source-line-no">427</span><span id="line-427"> fullPath = FileSystem.get(conf).makeQualified(new Path(path)).toString();</span> |
| <span class="source-line-no">428</span><span id="line-428"> } catch (IllegalArgumentException e) {</span> |
| <span class="source-line-no">429</span><span id="line-429"> LOG.info("Call to makeQualified failed on " + path + " " + e.getMessage());</span> |
| <span class="source-line-no">430</span><span id="line-430"> return null;</span> |
| <span class="source-line-no">431</span><span id="line-431"> }</span> |
| <span class="source-line-no">432</span><span id="line-432"></span> |
| <span class="source-line-no">433</span><span id="line-433"> if (!fullPath.startsWith(startPath)) {</span> |
| <span class="source-line-no">434</span><span id="line-434"> return null;</span> |
| <span class="source-line-no">435</span><span id="line-435"> }</span> |
| <span class="source-line-no">436</span><span id="line-436"></span> |
| <span class="source-line-no">437</span><span id="line-437"> final String serverNameAndFile = fullPath.substring(startPath.length());</span> |
| <span class="source-line-no">438</span><span id="line-438"></span> |
| <span class="source-line-no">439</span><span id="line-439"> if (serverNameAndFile.indexOf('/') < "a,0,0".length()) {</span> |
| <span class="source-line-no">440</span><span id="line-440"> // Either it's a file (not a directory) or it's not a ServerName format</span> |
| <span class="source-line-no">441</span><span id="line-441"> return null;</span> |
| <span class="source-line-no">442</span><span id="line-442"> }</span> |
| <span class="source-line-no">443</span><span id="line-443"></span> |
| <span class="source-line-no">444</span><span id="line-444"> Path p = new Path(path);</span> |
| <span class="source-line-no">445</span><span id="line-445"> return getServerNameFromWALDirectoryName(p);</span> |
| <span class="source-line-no">446</span><span id="line-446"> }</span> |
| <span class="source-line-no">447</span><span id="line-447"></span> |
| <span class="source-line-no">448</span><span id="line-448"> /**</span> |
| <span class="source-line-no">449</span><span id="line-449"> * This function returns region server name from a log file name which is in one of the following</span> |
| <span class="source-line-no">450</span><span id="line-450"> * formats:</span> |
| <span class="source-line-no">451</span><span id="line-451"> * <ul></span> |
| <span class="source-line-no">452</span><span id="line-452"> * <li>hdfs://&lt;name node&gt;/hbase/.logs/&lt;server name&gt;-splitting/...</li></span> |
| <span class="source-line-no">453</span><span id="line-453"> * <li>hdfs://&lt;name node&gt;/hbase/.logs/&lt;server name&gt;/...</li></span> |
| <span class="source-line-no">454</span><span id="line-454"> * </ul></span> |
| <span class="source-line-no">455</span><span id="line-455"> * @return null if the passed in logFile isn't a valid WAL file path</span> |
| <span class="source-line-no">456</span><span id="line-456"> */</span> |
| <span class="source-line-no">457</span><span id="line-457"> public static ServerName getServerNameFromWALDirectoryName(Path logFile) {</span> |
| <span class="source-line-no">458</span><span id="line-458"> String logDirName = logFile.getParent().getName();</span> |
| <span class="source-line-no">459</span><span id="line-459"> // We were passed the directory and not a file in it.</span> |
| <span class="source-line-no">460</span><span id="line-460"> if (logDirName.equals(HConstants.HREGION_LOGDIR_NAME)) {</span> |
| <span class="source-line-no">461</span><span id="line-461"> logDirName = logFile.getName();</span> |
| <span class="source-line-no">462</span><span id="line-462"> }</span> |
| <span class="source-line-no">463</span><span id="line-463"> ServerName serverName = null;</span> |
| <span class="source-line-no">464</span><span id="line-464"> if (logDirName.endsWith(SPLITTING_EXT)) {</span> |
| <span class="source-line-no">465</span><span id="line-465"> logDirName = logDirName.substring(0, logDirName.length() - SPLITTING_EXT.length());</span> |
| <span class="source-line-no">466</span><span id="line-466"> }</span> |
| <span class="source-line-no">467</span><span id="line-467"> try {</span> |
| <span class="source-line-no">468</span><span id="line-468"> serverName = ServerName.parseServerName(logDirName);</span> |
| <span class="source-line-no">469</span><span id="line-469"> } catch (IllegalArgumentException | IllegalStateException ex) {</span> |
| <span class="source-line-no">470</span><span id="line-470"> serverName = null;</span> |
| <span class="source-line-no">471</span><span id="line-471"> LOG.warn("Cannot parse a server name from path={}", logFile, ex);</span> |
| <span class="source-line-no">472</span><span id="line-472"> }</span> |
| <span class="source-line-no">473</span><span id="line-473"> if (serverName != null && serverName.getStartCode() < 0) {</span> |
| <span class="source-line-no">474</span><span id="line-474"> LOG.warn("Invalid log file path={}, start code {} is less than 0", logFile,</span> |
| <span class="source-line-no">475</span><span id="line-475"> serverName.getStartCode());</span> |
| <span class="source-line-no">476</span><span id="line-476"> serverName = null;</span> |
| <span class="source-line-no">477</span><span id="line-477"> }</span> |
| <span class="source-line-no">478</span><span id="line-478"> return serverName;</span> |
| <span class="source-line-no">479</span><span id="line-479"> }</span> |
| <span class="source-line-no">480</span><span id="line-480"></span> |
| <span class="source-line-no">481</span><span id="line-481"> public static boolean isMetaFile(Path p) {</span> |
| <span class="source-line-no">482</span><span id="line-482"> return isMetaFile(p.getName());</span> |
| <span class="source-line-no">483</span><span id="line-483"> }</span> |
| <span class="source-line-no">484</span><span id="line-484"></span> |
| <span class="source-line-no">485</span><span id="line-485"> /** Returns True if String ends in {@link #META_WAL_PROVIDER_ID} */</span> |
| <span class="source-line-no">486</span><span id="line-486"> public static boolean isMetaFile(String p) {</span> |
| <span class="source-line-no">487</span><span id="line-487"> return p != null && p.endsWith(META_WAL_PROVIDER_ID);</span> |
| <span class="source-line-no">488</span><span id="line-488"> }</span> |
| <span class="source-line-no">489</span><span id="line-489"></span> |
| <span class="source-line-no">490</span><span id="line-490"> /**</span> |
| <span class="source-line-no">491</span><span id="line-491"> * Comparator used to compare WAL files together based on their start time. Just compares start</span> |
| <span class="source-line-no">492</span><span id="line-492"> * times and nothing else.</span> |
| <span class="source-line-no">493</span><span id="line-493"> */</span> |
| <span class="source-line-no">494</span><span id="line-494"> public static class WALStartTimeComparator implements Comparator<Path> {</span> |
| <span class="source-line-no">495</span><span id="line-495"> @Override</span> |
| <span class="source-line-no">496</span><span id="line-496"> public int compare(Path o1, Path o2) {</span> |
| <span class="source-line-no">497</span><span id="line-497"> return Long.compare(getTS(o1), getTS(o2));</span> |
| <span class="source-line-no">498</span><span id="line-498"> }</span> |
| <span class="source-line-no">499</span><span id="line-499"></span> |
| <span class="source-line-no">500</span><span id="line-500"> /**</span> |
| <span class="source-line-no">501</span><span id="line-501"> * Split a path to get the start time For example: 10.20.20.171%3A60020.1277499063250 Could also</span> |
| <span class="source-line-no">502</span><span id="line-502"> * be a meta WAL which adds a '.meta' suffix or a synchronous replication WAL which adds a</span> |
| <span class="source-line-no">503</span><span id="line-503"> * '.syncrep' suffix. Check.</span> |
| <span class="source-line-no">504</span><span id="line-504"> * @param p path to split</span> |
| <span class="source-line-no">505</span><span id="line-505"> * @return start time</span> |
| <span class="source-line-no">506</span><span id="line-506"> */</span> |
| <span class="source-line-no">507</span><span id="line-507"> public static long getTS(Path p) {</span> |
| <span class="source-line-no">508</span><span id="line-508"> return getTimestamp(p.getName());</span> |
| <span class="source-line-no">509</span><span id="line-509"> }</span> |
| <span class="source-line-no">510</span><span id="line-510"> }</span> |
| <span class="source-line-no">511</span><span id="line-511"></span> |
| <span class="source-line-no">512</span><span id="line-512"> public static boolean isArchivedLogFile(Path p) {</span> |
| <span class="source-line-no">513</span><span id="line-513"> String oldLog = Path.SEPARATOR + HConstants.HREGION_OLDLOGDIR_NAME + Path.SEPARATOR;</span> |
| <span class="source-line-no">514</span><span id="line-514"> return p.toString().contains(oldLog);</span> |
| <span class="source-line-no">515</span><span id="line-515"> }</span> |
| <span class="source-line-no">516</span><span id="line-516"></span> |
| <span class="source-line-no">517</span><span id="line-517"> /**</span> |
| <span class="source-line-no">518</span><span id="line-518"> * Find the archived WAL file path if it is not able to locate in WALs dir.</span> |
| <span class="source-line-no">519</span><span id="line-519"> * @param path - active WAL file path</span> |
| <span class="source-line-no">520</span><span id="line-520"> * @param conf - configuration</span> |
| <span class="source-line-no">521</span><span id="line-521"> * @return archived path if exists, null - otherwise</span> |
| <span class="source-line-no">522</span><span id="line-522"> * @throws IOException exception</span> |
| <span class="source-line-no">523</span><span id="line-523"> */</span> |
| <span class="source-line-no">524</span><span id="line-524"> public static Path findArchivedLog(Path path, Configuration conf) throws IOException {</span> |
| <span class="source-line-no">525</span><span id="line-525"> // If the path contains oldWALs keyword then exit early.</span> |
| <span class="source-line-no">526</span><span id="line-526"> if (path.toString().contains(HConstants.HREGION_OLDLOGDIR_NAME)) {</span> |
| <span class="source-line-no">527</span><span id="line-527"> return null;</span> |
| <span class="source-line-no">528</span><span id="line-528"> }</span> |
| <span class="source-line-no">529</span><span id="line-529"> Path walRootDir = CommonFSUtils.getWALRootDir(conf);</span> |
| <span class="source-line-no">530</span><span id="line-530"> FileSystem fs = path.getFileSystem(conf);</span> |
| <span class="source-line-no">531</span><span id="line-531"> // Try finding the log in old dir</span> |
| <span class="source-line-no">532</span><span id="line-532"> Path oldLogDir = new Path(walRootDir, HConstants.HREGION_OLDLOGDIR_NAME);</span> |
| <span class="source-line-no">533</span><span id="line-533"> Path archivedLogLocation = new Path(oldLogDir, path.getName());</span> |
| <span class="source-line-no">534</span><span id="line-534"> if (fs.exists(archivedLogLocation)) {</span> |
| <span class="source-line-no">535</span><span id="line-535"> LOG.info("Log " + path + " was moved to " + archivedLogLocation);</span> |
| <span class="source-line-no">536</span><span id="line-536"> return archivedLogLocation;</span> |
| <span class="source-line-no">537</span><span id="line-537"> }</span> |
| <span class="source-line-no">538</span><span id="line-538"></span> |
| <span class="source-line-no">539</span><span id="line-539"> ServerName serverName = getServerNameFromWALDirectoryName(path);</span> |
| <span class="source-line-no">540</span><span id="line-540"> if (serverName == null) {</span> |
| <span class="source-line-no">541</span><span id="line-541"> LOG.warn("Can not extract server name from path {}, "</span> |
| <span class="source-line-no">542</span><span id="line-542"> + "give up searching the separated old log dir", path);</span> |
| <span class="source-line-no">543</span><span id="line-543"> return null;</span> |
| <span class="source-line-no">544</span><span id="line-544"> }</span> |
| <span class="source-line-no">545</span><span id="line-545"> // Try finding the log in separate old log dir</span> |
| <span class="source-line-no">546</span><span id="line-546"> oldLogDir = new Path(walRootDir, new StringBuilder(HConstants.HREGION_OLDLOGDIR_NAME)</span> |
| <span class="source-line-no">547</span><span id="line-547"> .append(Path.SEPARATOR).append(serverName.getServerName()).toString());</span> |
| <span class="source-line-no">548</span><span id="line-548"> archivedLogLocation = new Path(oldLogDir, path.getName());</span> |
| <span class="source-line-no">549</span><span id="line-549"> if (fs.exists(archivedLogLocation)) {</span> |
| <span class="source-line-no">550</span><span id="line-550"> LOG.info("Log " + path + " was moved to " + archivedLogLocation);</span> |
| <span class="source-line-no">551</span><span id="line-551"> return archivedLogLocation;</span> |
| <span class="source-line-no">552</span><span id="line-552"> }</span> |
| <span class="source-line-no">553</span><span id="line-553"> LOG.error("Couldn't locate log: " + path);</span> |
| <span class="source-line-no">554</span><span id="line-554"> return null;</span> |
| <span class="source-line-no">555</span><span id="line-555"> }</span> |
| <span class="source-line-no">556</span><span id="line-556"></span> |
| <span class="source-line-no">557</span><span id="line-557"> // For HBASE-15019</span> |
| <span class="source-line-no">558</span><span id="line-558"> public static void recoverLease(Configuration conf, Path path) {</span> |
| <span class="source-line-no">559</span><span id="line-559"> try {</span> |
| <span class="source-line-no">560</span><span id="line-560"> final FileSystem dfs = CommonFSUtils.getCurrentFileSystem(conf);</span> |
| <span class="source-line-no">561</span><span id="line-561"> RecoverLeaseFSUtils.recoverFileLease(dfs, path, conf, new CancelableProgressable() {</span> |
| <span class="source-line-no">562</span><span id="line-562"> @Override</span> |
| <span class="source-line-no">563</span><span id="line-563"> public boolean progress() {</span> |
| <span class="source-line-no">564</span><span id="line-564"> LOG.debug("Still trying to recover WAL lease: " + path);</span> |
| <span class="source-line-no">565</span><span id="line-565"> return true;</span> |
| <span class="source-line-no">566</span><span id="line-566"> }</span> |
| <span class="source-line-no">567</span><span id="line-567"> });</span> |
| <span class="source-line-no">568</span><span id="line-568"> } catch (IOException e) {</span> |
| <span class="source-line-no">569</span><span id="line-569"> LOG.warn("unable to recover lease for WAL: " + path, e);</span> |
| <span class="source-line-no">570</span><span id="line-570"> }</span> |
| <span class="source-line-no">571</span><span id="line-571"> }</span> |
| <span class="source-line-no">572</span><span id="line-572"></span> |
| <span class="source-line-no">573</span><span id="line-573"> @Override</span> |
| <span class="source-line-no">574</span><span id="line-574"> public void addWALActionsListener(WALActionsListener listener) {</span> |
| <span class="source-line-no">575</span><span id="line-575"> listeners.add(listener);</span> |
| <span class="source-line-no">576</span><span id="line-576"> }</span> |
| <span class="source-line-no">577</span><span id="line-577"></span> |
| <span class="source-line-no">578</span><span id="line-578"> private static String getWALNameGroupFromWALName(String name, int group) {</span> |
| <span class="source-line-no">579</span><span id="line-579"> Matcher matcher = WAL_FILE_NAME_PATTERN.matcher(name);</span> |
| <span class="source-line-no">580</span><span id="line-580"> if (matcher.matches()) {</span> |
| <span class="source-line-no">581</span><span id="line-581"> return matcher.group(group);</span> |
| <span class="source-line-no">582</span><span id="line-582"> } else {</span> |
| <span class="source-line-no">583</span><span id="line-583"> throw new IllegalArgumentException(name + " is not a valid wal file name");</span> |
| <span class="source-line-no">584</span><span id="line-584"> }</span> |
| <span class="source-line-no">585</span><span id="line-585"> }</span> |
| <span class="source-line-no">586</span><span id="line-586"></span> |
| <span class="source-line-no">587</span><span id="line-587"> /**</span> |
| <span class="source-line-no">588</span><span id="line-588"> * Get prefix of the log from its name, assuming WAL name in format of</span> |
| <span class="source-line-no">589</span><span id="line-589"> * log_prefix.filenumber.log_suffix</span> |
| <span class="source-line-no">590</span><span id="line-590"> * @param name Name of the WAL to parse</span> |
| <span class="source-line-no">591</span><span id="line-591"> * @return prefix of the log</span> |
| <span class="source-line-no">592</span><span id="line-592"> * @throws IllegalArgumentException if the name passed in is not a valid wal file name</span> |
| <span class="source-line-no">593</span><span id="line-593"> * @see AbstractFSWAL#getCurrentFileName()</span> |
| <span class="source-line-no">594</span><span id="line-594"> */</span> |
| <span class="source-line-no">595</span><span id="line-595"> public static String getWALPrefixFromWALName(String name) {</span> |
| <span class="source-line-no">596</span><span id="line-596"> return getWALNameGroupFromWALName(name, 1);</span> |
| <span class="source-line-no">597</span><span id="line-597"> }</span> |
| <span class="source-line-no">598</span><span id="line-598"></span> |
| <span class="source-line-no">599</span><span id="line-599"> private static final Pattern SERVER_NAME_PATTERN = Pattern.compile("^[^"</span> |
| <span class="source-line-no">600</span><span id="line-600"> + ServerName.SERVERNAME_SEPARATOR + "]+" + ServerName.SERVERNAME_SEPARATOR</span> |
| <span class="source-line-no">601</span><span id="line-601"> + Addressing.VALID_PORT_REGEX + ServerName.SERVERNAME_SEPARATOR + Addressing.VALID_PORT_REGEX);</span> |
| <span class="source-line-no">602</span><span id="line-602"></span> |
| <span class="source-line-no">603</span><span id="line-603"> /**</span> |
| <span class="source-line-no">604</span><span id="line-604"> * Parse the server name from wal prefix. A wal's name is always started with a server name in non</span> |
| <span class="source-line-no">605</span><span id="line-605"> * test code.</span> |
| <span class="source-line-no">606</span><span id="line-606"> * @throws IllegalArgumentException if the name passed in is not started with a server name</span> |
| <span class="source-line-no">607</span><span id="line-607"> * @return the server name</span> |
| <span class="source-line-no">608</span><span id="line-608"> */</span> |
| <span class="source-line-no">609</span><span id="line-609"> public static ServerName parseServerNameFromWALName(String name) {</span> |
| <span class="source-line-no">610</span><span id="line-610"> String decoded;</span> |
| <span class="source-line-no">611</span><span id="line-611"> try {</span> |
| <span class="source-line-no">612</span><span id="line-612"> decoded = URLDecoder.decode(name, StandardCharsets.UTF_8.name());</span> |
| <span class="source-line-no">613</span><span id="line-613"> } catch (UnsupportedEncodingException e) {</span> |
| <span class="source-line-no">614</span><span id="line-614"> throw new AssertionError("should never happen", e);</span> |
| <span class="source-line-no">615</span><span id="line-615"> }</span> |
| <span class="source-line-no">616</span><span id="line-616"> Matcher matcher = SERVER_NAME_PATTERN.matcher(decoded);</span> |
| <span class="source-line-no">617</span><span id="line-617"> if (matcher.find()) {</span> |
| <span class="source-line-no">618</span><span id="line-618"> return ServerName.valueOf(matcher.group());</span> |
| <span class="source-line-no">619</span><span id="line-619"> } else {</span> |
| <span class="source-line-no">620</span><span id="line-620"> throw new IllegalArgumentException(name + " is not started with a server name");</span> |
| <span class="source-line-no">621</span><span id="line-621"> }</span> |
| <span class="source-line-no">622</span><span id="line-622"> }</span> |
| <span class="source-line-no">623</span><span id="line-623">}</span> |
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| </main> |
| </body> |
| </html> |
