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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.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.ArrayList;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.List;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Optional;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.concurrent.ConcurrentMap;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.atomic.AtomicBoolean;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.locks.Condition;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.locks.Lock;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.locks.ReentrantLock;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.function.BiPredicate;</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 java.util.stream.Collectors;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.stream.Stream;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.Abortable;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.replication.ReplicationUtils;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.replication.SyncReplicationState;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.replication.regionserver.PeerActionListener;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.replication.regionserver.SyncReplicationPeerInfoProvider;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.util.IOExceptionConsumer;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.IOExceptionRunnable;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.util.KeyLocker;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.util.Pair;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.io.MultipleIOException;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.slf4j.Logger;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hbase.thirdparty.com.google.common.collect.Streams;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59">/**</span> |
| <span class="source-line-no">060</span><span id="line-60"> * Base class for a WAL Provider.</span> |
| <span class="source-line-no">061</span><span id="line-61"> * <p></span> |
| <span class="source-line-no">062</span><span id="line-62"> * We will put some common logic here, especially for sync replication implementation, as it must do</span> |
| <span class="source-line-no">063</span><span id="line-63"> * some hacks before the normal wal creation operation.</span> |
| <span class="source-line-no">064</span><span id="line-64"> * <p></span> |
| <span class="source-line-no">065</span><span id="line-65"> * All {@link WALProvider} implementations should extends this class instead of implement</span> |
| <span class="source-line-no">066</span><span id="line-66"> * {@link WALProvider} directly, except {@link DisabledWALProvider}.</span> |
| <span class="source-line-no">067</span><span id="line-67"> */</span> |
| <span class="source-line-no">068</span><span id="line-68">@InterfaceAudience.Private</span> |
| <span class="source-line-no">069</span><span id="line-69">public abstract class AbstractWALProvider implements WALProvider, PeerActionListener {</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> private static final Logger LOG = LoggerFactory.getLogger(AbstractWALProvider.class);</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> // should be package private; more visible for use in AbstractFSWAL</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static final String WAL_FILE_NAME_DELIMITER = ".";</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> protected WALFactory factory;</span> |
| <span class="source-line-no">077</span><span id="line-77"> protected Configuration conf;</span> |
| <span class="source-line-no">078</span><span id="line-78"> protected List<WALActionsListener> listeners = new ArrayList<>();</span> |
| <span class="source-line-no">079</span><span id="line-79"> protected String providerId;</span> |
| <span class="source-line-no">080</span><span id="line-80"> protected AtomicBoolean initialized = new AtomicBoolean(false);</span> |
| <span class="source-line-no">081</span><span id="line-81"> // for default wal provider, logPrefix won't change</span> |
| <span class="source-line-no">082</span><span id="line-82"> protected String logPrefix;</span> |
| <span class="source-line-no">083</span><span id="line-83"> protected Abortable abortable;</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> // when switching from A to DA, we will put a Optional.empty into this map if there is no WAL for</span> |
| <span class="source-line-no">086</span><span id="line-86"> // the peer yet. When getting WAL from this map the caller should know that it should not use</span> |
| <span class="source-line-no">087</span><span id="line-87"> // the remote WAL any more.</span> |
| <span class="source-line-no">088</span><span id="line-88"> private final ConcurrentMap<String, Optional<WAL>> peerId2WAL = new ConcurrentHashMap<>();</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> private final KeyLocker<String> createLock = new KeyLocker<>();</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> // in getWALs we can not throw any exceptions out, so we use lock and condition here as it</span> |
| <span class="source-line-no">093</span><span id="line-93"> // supports awaitUninterruptibly which will not throw a InterruptedException</span> |
| <span class="source-line-no">094</span><span id="line-94"> private final Lock numRemoteWALUnderCreationLock = new ReentrantLock();</span> |
| <span class="source-line-no">095</span><span id="line-95"> private final Condition noRemoteWALUnderCreationCond =</span> |
| <span class="source-line-no">096</span><span id="line-96"> numRemoteWALUnderCreationLock.newCondition();</span> |
| <span class="source-line-no">097</span><span id="line-97"> // record the number of remote WALs which are under creation. This is very important to not</span> |
| <span class="source-line-no">098</span><span id="line-98"> // missing a WAL instance in getWALs method. See HBASE-28140 and related issues for more details.</span> |
| <span class="source-line-no">099</span><span id="line-99"> private int numRemoteWALUnderCreation;</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> // we need to have this because when getting meta wal, there is no peer info provider yet.</span> |
| <span class="source-line-no">102</span><span id="line-102"> private SyncReplicationPeerInfoProvider peerInfoProvider = new SyncReplicationPeerInfoProvider() {</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> @Override</span> |
| <span class="source-line-no">105</span><span id="line-105"> public Optional<Pair<String, String>> getPeerIdAndRemoteWALDir(TableName table) {</span> |
| <span class="source-line-no">106</span><span id="line-106"> return Optional.empty();</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> @Override</span> |
| <span class="source-line-no">110</span><span id="line-110"> public boolean checkState(TableName table,</span> |
| <span class="source-line-no">111</span><span id="line-111"> BiPredicate<SyncReplicationState, SyncReplicationState> checker) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> return false;</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</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"></span> |
| <span class="source-line-no">117</span><span id="line-117"> @Override</span> |
| <span class="source-line-no">118</span><span id="line-118"> public final void init(WALFactory factory, Configuration conf, String providerId,</span> |
| <span class="source-line-no">119</span><span id="line-119"> Abortable server) throws IOException {</span> |
| <span class="source-line-no">120</span><span id="line-120"> if (!initialized.compareAndSet(false, true)) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> throw new IllegalStateException("WALProvider.init should only be called once.");</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"> this.factory = factory;</span> |
| <span class="source-line-no">124</span><span id="line-124"> this.conf = conf;</span> |
| <span class="source-line-no">125</span><span id="line-125"> this.abortable = server;</span> |
| <span class="source-line-no">126</span><span id="line-126"> doInit(factory, conf, providerId);</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> protected final void initWAL(WAL wal) throws IOException {</span> |
| <span class="source-line-no">130</span><span id="line-130"> boolean succ = false;</span> |
| <span class="source-line-no">131</span><span id="line-131"> try {</span> |
| <span class="source-line-no">132</span><span id="line-132"> wal.init();</span> |
| <span class="source-line-no">133</span><span id="line-133"> succ = true;</span> |
| <span class="source-line-no">134</span><span id="line-134"> } finally {</span> |
| <span class="source-line-no">135</span><span id="line-135"> if (!succ) {</span> |
| <span class="source-line-no">136</span><span id="line-136"> safeClose(wal);</span> |
| <span class="source-line-no">137</span><span id="line-137"> }</span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> // Use a timestamp to make it identical. That means, after we transit the peer to DA/S and then</span> |
| <span class="source-line-no">142</span><span id="line-142"> // back to A, the log prefix will be changed. This is used to simplify the implementation for</span> |
| <span class="source-line-no">143</span><span id="line-143"> // replication source, where we do not need to consider that a terminated shipper could be added</span> |
| <span class="source-line-no">144</span><span id="line-144"> // back.</span> |
| <span class="source-line-no">145</span><span id="line-145"> private String getRemoteWALPrefix(String peerId) {</span> |
| <span class="source-line-no">146</span><span id="line-146"> return factory.factoryId + "-" + EnvironmentEdgeManager.currentTime() + "-" + peerId;</span> |
| <span class="source-line-no">147</span><span id="line-147"> }</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> private WAL getRemoteWAL(RegionInfo region, String peerId, String remoteWALDir)</span> |
| <span class="source-line-no">150</span><span id="line-150"> throws IOException {</span> |
| <span class="source-line-no">151</span><span id="line-151"> Optional<WAL> opt = peerId2WAL.get(peerId);</span> |
| <span class="source-line-no">152</span><span id="line-152"> if (opt != null) {</span> |
| <span class="source-line-no">153</span><span id="line-153"> return opt.orElse(null);</span> |
| <span class="source-line-no">154</span><span id="line-154"> }</span> |
| <span class="source-line-no">155</span><span id="line-155"> Lock lock = createLock.acquireLock(peerId);</span> |
| <span class="source-line-no">156</span><span id="line-156"> try {</span> |
| <span class="source-line-no">157</span><span id="line-157"> opt = peerId2WAL.get(peerId);</span> |
| <span class="source-line-no">158</span><span id="line-158"> if (opt != null) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> return opt.orElse(null);</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"> WAL wal = createRemoteWAL(region, ReplicationUtils.getRemoteWALFileSystem(conf, remoteWALDir),</span> |
| <span class="source-line-no">162</span><span id="line-162"> ReplicationUtils.getPeerRemoteWALDir(remoteWALDir, peerId), getRemoteWALPrefix(peerId),</span> |
| <span class="source-line-no">163</span><span id="line-163"> ReplicationUtils.SYNC_WAL_SUFFIX);</span> |
| <span class="source-line-no">164</span><span id="line-164"> numRemoteWALUnderCreationLock.lock();</span> |
| <span class="source-line-no">165</span><span id="line-165"> try {</span> |
| <span class="source-line-no">166</span><span id="line-166"> numRemoteWALUnderCreation++;</span> |
| <span class="source-line-no">167</span><span id="line-167"> } finally {</span> |
| <span class="source-line-no">168</span><span id="line-168"> numRemoteWALUnderCreationLock.unlock();</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> initWAL(wal);</span> |
| <span class="source-line-no">171</span><span id="line-171"> peerId2WAL.put(peerId, Optional.of(wal));</span> |
| <span class="source-line-no">172</span><span id="line-172"> return wal;</span> |
| <span class="source-line-no">173</span><span id="line-173"> } finally {</span> |
| <span class="source-line-no">174</span><span id="line-174"> lock.unlock();</span> |
| <span class="source-line-no">175</span><span id="line-175"> numRemoteWALUnderCreationLock.lock();</span> |
| <span class="source-line-no">176</span><span id="line-176"> try {</span> |
| <span class="source-line-no">177</span><span id="line-177"> numRemoteWALUnderCreation--;</span> |
| <span class="source-line-no">178</span><span id="line-178"> if (numRemoteWALUnderCreation == 0) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> noRemoteWALUnderCreationCond.signalAll();</span> |
| <span class="source-line-no">180</span><span id="line-180"> }</span> |
| <span class="source-line-no">181</span><span id="line-181"> } finally {</span> |
| <span class="source-line-no">182</span><span id="line-182"> numRemoteWALUnderCreationLock.unlock();</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"> }</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> @Override</span> |
| <span class="source-line-no">188</span><span id="line-188"> public final WAL getWAL(RegionInfo region) throws IOException {</span> |
| <span class="source-line-no">189</span><span id="line-189"> if (region == null) {</span> |
| <span class="source-line-no">190</span><span id="line-190"> return getWAL0(null);</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192"> // deal with sync replication</span> |
| <span class="source-line-no">193</span><span id="line-193"> Optional<Pair<String, String>> peerIdAndRemoteWALDir =</span> |
| <span class="source-line-no">194</span><span id="line-194"> peerInfoProvider.getPeerIdAndRemoteWALDir(region.getTable());</span> |
| <span class="source-line-no">195</span><span id="line-195"> if (peerIdAndRemoteWALDir.isPresent()) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> Pair<String, String> pair = peerIdAndRemoteWALDir.get();</span> |
| <span class="source-line-no">197</span><span id="line-197"> WAL wal = getRemoteWAL(region, pair.getFirst(), pair.getSecond());</span> |
| <span class="source-line-no">198</span><span id="line-198"> if (wal != null) {</span> |
| <span class="source-line-no">199</span><span id="line-199"> return wal;</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"> // fallback to normal WALProvider logic</span> |
| <span class="source-line-no">203</span><span id="line-203"> return getWAL0(region);</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"></span> |
| <span class="source-line-no">206</span><span id="line-206"> @Override</span> |
| <span class="source-line-no">207</span><span id="line-207"> public final List<WAL> getWALs() {</span> |
| <span class="source-line-no">208</span><span id="line-208"> List<WAL> wals = new ArrayList<WAL>();</span> |
| <span class="source-line-no">209</span><span id="line-209"> numRemoteWALUnderCreationLock.lock();</span> |
| <span class="source-line-no">210</span><span id="line-210"> try {</span> |
| <span class="source-line-no">211</span><span id="line-211"> while (numRemoteWALUnderCreation > 0) {</span> |
| <span class="source-line-no">212</span><span id="line-212"> noRemoteWALUnderCreationCond.awaitUninterruptibly();</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"> peerId2WAL.values().stream().filter(Optional::isPresent).map(Optional::get)</span> |
| <span class="source-line-no">215</span><span id="line-215"> .forEach(wals::add);</span> |
| <span class="source-line-no">216</span><span id="line-216"> } finally {</span> |
| <span class="source-line-no">217</span><span id="line-217"> numRemoteWALUnderCreationLock.unlock();</span> |
| <span class="source-line-no">218</span><span id="line-218"> }</span> |
| <span class="source-line-no">219</span><span id="line-219"> return Streams</span> |
| <span class="source-line-no">220</span><span id="line-220"> .concat(peerId2WAL.values().stream().filter(Optional::isPresent).map(Optional::get),</span> |
| <span class="source-line-no">221</span><span id="line-221"> getWALs0().stream())</span> |
| <span class="source-line-no">222</span><span id="line-222"> .collect(Collectors.toList());</span> |
| <span class="source-line-no">223</span><span id="line-223"> }</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> @Override</span> |
| <span class="source-line-no">226</span><span id="line-226"> public PeerActionListener getPeerActionListener() {</span> |
| <span class="source-line-no">227</span><span id="line-227"> return this;</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"> @Override</span> |
| <span class="source-line-no">231</span><span id="line-231"> public void peerSyncReplicationStateChange(String peerId, SyncReplicationState from,</span> |
| <span class="source-line-no">232</span><span id="line-232"> SyncReplicationState to, int stage) {</span> |
| <span class="source-line-no">233</span><span id="line-233"> if (from == SyncReplicationState.ACTIVE) {</span> |
| <span class="source-line-no">234</span><span id="line-234"> if (stage == 0) {</span> |
| <span class="source-line-no">235</span><span id="line-235"> Lock lock = createLock.acquireLock(peerId);</span> |
| <span class="source-line-no">236</span><span id="line-236"> try {</span> |
| <span class="source-line-no">237</span><span id="line-237"> Optional<WAL> opt = peerId2WAL.get(peerId);</span> |
| <span class="source-line-no">238</span><span id="line-238"> if (opt != null) {</span> |
| <span class="source-line-no">239</span><span id="line-239"> opt.ifPresent(w -> w.skipRemoteWAL(to == SyncReplicationState.STANDBY));</span> |
| <span class="source-line-no">240</span><span id="line-240"> } else {</span> |
| <span class="source-line-no">241</span><span id="line-241"> // add a place holder to tell the getWAL caller do not use the remote WAL any more.</span> |
| <span class="source-line-no">242</span><span id="line-242"> peerId2WAL.put(peerId, Optional.empty());</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"> } finally {</span> |
| <span class="source-line-no">245</span><span id="line-245"> lock.unlock();</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"> } else if (stage == 1) {</span> |
| <span class="source-line-no">248</span><span id="line-248"> peerId2WAL.remove(peerId).ifPresent(AbstractWALProvider::safeClose);</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"> }</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"> @Override</span> |
| <span class="source-line-no">254</span><span id="line-254"> public void setSyncReplicationPeerInfoProvider(SyncReplicationPeerInfoProvider provider) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> this.peerInfoProvider = provider;</span> |
| <span class="source-line-no">256</span><span id="line-256"> }</span> |
| <span class="source-line-no">257</span><span id="line-257"></span> |
| <span class="source-line-no">258</span><span id="line-258"> private static void safeClose(WAL wal) {</span> |
| <span class="source-line-no">259</span><span id="line-259"> if (wal != null) {</span> |
| <span class="source-line-no">260</span><span id="line-260"> try {</span> |
| <span class="source-line-no">261</span><span id="line-261"> wal.close();</span> |
| <span class="source-line-no">262</span><span id="line-262"> } catch (IOException e) {</span> |
| <span class="source-line-no">263</span><span id="line-263"> LOG.error("Close WAL failed", e);</span> |
| <span class="source-line-no">264</span><span id="line-264"> }</span> |
| <span class="source-line-no">265</span><span id="line-265"> }</span> |
| <span class="source-line-no">266</span><span id="line-266"> }</span> |
| <span class="source-line-no">267</span><span id="line-267"></span> |
| <span class="source-line-no">268</span><span id="line-268"> @Override</span> |
| <span class="source-line-no">269</span><span id="line-269"> public void addWALActionsListener(WALActionsListener listener) {</span> |
| <span class="source-line-no">270</span><span id="line-270"> listeners.add(listener);</span> |
| <span class="source-line-no">271</span><span id="line-271"> }</span> |
| <span class="source-line-no">272</span><span id="line-272"></span> |
| <span class="source-line-no">273</span><span id="line-273"> private void cleanup(IOExceptionConsumer<WAL> cleanupWAL, IOExceptionRunnable finalCleanup)</span> |
| <span class="source-line-no">274</span><span id="line-274"> throws IOException {</span> |
| <span class="source-line-no">275</span><span id="line-275"> MultipleIOException.Builder builder = new MultipleIOException.Builder();</span> |
| <span class="source-line-no">276</span><span id="line-276"> for (Optional<WAL> wal : peerId2WAL.values()) {</span> |
| <span class="source-line-no">277</span><span id="line-277"> if (wal.isPresent()) {</span> |
| <span class="source-line-no">278</span><span id="line-278"> try {</span> |
| <span class="source-line-no">279</span><span id="line-279"> cleanupWAL.accept(wal.get());</span> |
| <span class="source-line-no">280</span><span id="line-280"> } catch (IOException e) {</span> |
| <span class="source-line-no">281</span><span id="line-281"> LOG.error("cleanup WAL failed", e);</span> |
| <span class="source-line-no">282</span><span id="line-282"> builder.add(e);</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"> }</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"> try {</span> |
| <span class="source-line-no">287</span><span id="line-287"> finalCleanup.run();</span> |
| <span class="source-line-no">288</span><span id="line-288"> } catch (IOException e) {</span> |
| <span class="source-line-no">289</span><span id="line-289"> LOG.error("cleanup WAL failed", e);</span> |
| <span class="source-line-no">290</span><span id="line-290"> builder.add(e);</span> |
| <span class="source-line-no">291</span><span id="line-291"> }</span> |
| <span class="source-line-no">292</span><span id="line-292"> if (!builder.isEmpty()) {</span> |
| <span class="source-line-no">293</span><span id="line-293"> throw builder.build();</span> |
| <span class="source-line-no">294</span><span id="line-294"> }</span> |
| <span class="source-line-no">295</span><span id="line-295"> }</span> |
| <span class="source-line-no">296</span><span id="line-296"></span> |
| <span class="source-line-no">297</span><span id="line-297"> @Override</span> |
| <span class="source-line-no">298</span><span id="line-298"> public final void shutdown() throws IOException {</span> |
| <span class="source-line-no">299</span><span id="line-299"> cleanup(WAL::shutdown, this::shutdown0);</span> |
| <span class="source-line-no">300</span><span id="line-300"> }</span> |
| <span class="source-line-no">301</span><span id="line-301"></span> |
| <span class="source-line-no">302</span><span id="line-302"> @Override</span> |
| <span class="source-line-no">303</span><span id="line-303"> public final void close() throws IOException {</span> |
| <span class="source-line-no">304</span><span id="line-304"> cleanup(WAL::close, this::close0);</span> |
| <span class="source-line-no">305</span><span id="line-305"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"></span> |
| <span class="source-line-no">307</span><span id="line-307"> private Stream<AbstractFSWAL<?>> remoteWALStream() {</span> |
| <span class="source-line-no">308</span><span id="line-308"> return peerId2WAL.values().stream().filter(Optional::isPresent).map(Optional::get)</span> |
| <span class="source-line-no">309</span><span id="line-309"> .filter(w -> w instanceof AbstractFSWAL).map(w -> (AbstractFSWAL<?>) w);</span> |
| <span class="source-line-no">310</span><span id="line-310"> }</span> |
| <span class="source-line-no">311</span><span id="line-311"></span> |
| <span class="source-line-no">312</span><span id="line-312"> @Override</span> |
| <span class="source-line-no">313</span><span id="line-313"> public final long getNumLogFiles() {</span> |
| <span class="source-line-no">314</span><span id="line-314"> return remoteWALStream().mapToLong(AbstractFSWAL::getNumLogFiles).sum() + getNumLogFiles0();</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"> @Override</span> |
| <span class="source-line-no">318</span><span id="line-318"> public final long getLogFileSize() {</span> |
| <span class="source-line-no">319</span><span id="line-319"> return remoteWALStream().mapToLong(AbstractFSWAL::getLogFileSize).sum() + getLogFileSize0();</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"></span> |
| <span class="source-line-no">322</span><span id="line-322"> private static final Pattern LOG_PREFIX_PATTERN = Pattern.compile(".*-\\d+-(.+)");</span> |
| <span class="source-line-no">323</span><span id="line-323"></span> |
| <span class="source-line-no">324</span><span id="line-324"> /**</span> |
| <span class="source-line-no">325</span><span id="line-325"> * <p></span> |
| <span class="source-line-no">326</span><span id="line-326"> * Returns the peer id if the wal file name is in the special group for a sync replication peer.</span> |
| <span class="source-line-no">327</span><span id="line-327"> * </p></span> |
| <span class="source-line-no">328</span><span id="line-328"> * <p></span> |
| <span class="source-line-no">329</span><span id="line-329"> * The prefix format is &lt;factoryId&gt;-&lt;ts&gt;-&lt;peerId&gt;.</span> |
| <span class="source-line-no">330</span><span id="line-330"> * </p></span> |
| <span class="source-line-no">331</span><span id="line-331"> */</span> |
| <span class="source-line-no">332</span><span id="line-332"> public static Optional<String> getSyncReplicationPeerIdFromWALName(String name) {</span> |
| <span class="source-line-no">333</span><span id="line-333"> if (!name.endsWith(ReplicationUtils.SYNC_WAL_SUFFIX)) {</span> |
| <span class="source-line-no">334</span><span id="line-334"> // fast path to return earlier if the name is not for a sync replication peer.</span> |
| <span class="source-line-no">335</span><span id="line-335"> return Optional.empty();</span> |
| <span class="source-line-no">336</span><span id="line-336"> }</span> |
| <span class="source-line-no">337</span><span id="line-337"> String logPrefix = AbstractFSWALProvider.getWALPrefixFromWALName(name);</span> |
| <span class="source-line-no">338</span><span id="line-338"> Matcher matcher = LOG_PREFIX_PATTERN.matcher(logPrefix);</span> |
| <span class="source-line-no">339</span><span id="line-339"> if (matcher.matches()) {</span> |
| <span class="source-line-no">340</span><span id="line-340"> return Optional.of(matcher.group(1));</span> |
| <span class="source-line-no">341</span><span id="line-341"> } else {</span> |
| <span class="source-line-no">342</span><span id="line-342"> return Optional.empty();</span> |
| <span class="source-line-no">343</span><span id="line-343"> }</span> |
| <span class="source-line-no">344</span><span id="line-344"> }</span> |
| <span class="source-line-no">345</span><span id="line-345"></span> |
| <span class="source-line-no">346</span><span id="line-346"> protected abstract WAL createRemoteWAL(RegionInfo region, FileSystem remoteFs, Path remoteWALDir,</span> |
| <span class="source-line-no">347</span><span id="line-347"> String prefix, String suffix) throws IOException;</span> |
| <span class="source-line-no">348</span><span id="line-348"></span> |
| <span class="source-line-no">349</span><span id="line-349"> protected abstract void doInit(WALFactory factory, Configuration conf, String providerId)</span> |
| <span class="source-line-no">350</span><span id="line-350"> throws IOException;</span> |
| <span class="source-line-no">351</span><span id="line-351"></span> |
| <span class="source-line-no">352</span><span id="line-352"> protected abstract WAL getWAL0(RegionInfo region) throws IOException;</span> |
| <span class="source-line-no">353</span><span id="line-353"></span> |
| <span class="source-line-no">354</span><span id="line-354"> protected abstract List<WAL> getWALs0();</span> |
| <span class="source-line-no">355</span><span id="line-355"></span> |
| <span class="source-line-no">356</span><span id="line-356"> protected abstract void shutdown0() throws IOException;</span> |
| <span class="source-line-no">357</span><span id="line-357"></span> |
| <span class="source-line-no">358</span><span id="line-358"> protected abstract void close0() throws IOException;</span> |
| <span class="source-line-no">359</span><span id="line-359"></span> |
| <span class="source-line-no">360</span><span id="line-360"> protected abstract long getNumLogFiles0();</span> |
| <span class="source-line-no">361</span><span id="line-361"></span> |
| <span class="source-line-no">362</span><span id="line-362"> protected abstract long getLogFileSize0();</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> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
