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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.master.procedure;</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.Collections;</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.concurrent.ThreadPoolExecutor;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.stream.Stream;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.client.RegionReplicaUtil;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.TableState;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.master.MetricsSnapshot;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.master.assignment.MergeTableRegionsProcedure;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.master.assignment.SplitTableRegionProcedure;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.mob.MobUtils;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.monitoring.MonitoredTask;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.monitoring.TaskMonitor;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.procedure2.Procedure;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.procedure2.ProcedureUtil;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.snapshot.ClientSnapshotDescriptionUtils;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.snapshot.CorruptedSnapshotException;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.snapshot.SnapshotManifest;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.snapshot.SnapshotTTLExpiredException;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.util.ModifyRegionUtils;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.util.RetryCounter;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.slf4j.Logger;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SnapshotProcedureStateData;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.SnapshotState;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription.Type;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69">/**</span> |
| <span class="source-line-no">070</span><span id="line-70"> * A procedure used to take snapshot on tables.</span> |
| <span class="source-line-no">071</span><span id="line-71"> */</span> |
| <span class="source-line-no">072</span><span id="line-72">@InterfaceAudience.Private</span> |
| <span class="source-line-no">073</span><span id="line-73">public class SnapshotProcedure extends AbstractStateMachineTableProcedure<SnapshotState> {</span> |
| <span class="source-line-no">074</span><span id="line-74"> private static final Logger LOG = LoggerFactory.getLogger(SnapshotProcedure.class);</span> |
| <span class="source-line-no">075</span><span id="line-75"> private final MetricsSnapshot metricsSnapshot = new MetricsSnapshot();</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> private Configuration conf;</span> |
| <span class="source-line-no">078</span><span id="line-78"> private SnapshotDescription snapshot;</span> |
| <span class="source-line-no">079</span><span id="line-79"> private Path rootDir;</span> |
| <span class="source-line-no">080</span><span id="line-80"> private Path snapshotDir;</span> |
| <span class="source-line-no">081</span><span id="line-81"> private Path workingDir;</span> |
| <span class="source-line-no">082</span><span id="line-82"> private FileSystem workingDirFS;</span> |
| <span class="source-line-no">083</span><span id="line-83"> private FileSystem rootFs;</span> |
| <span class="source-line-no">084</span><span id="line-84"> private TableName snapshotTable;</span> |
| <span class="source-line-no">085</span><span id="line-85"> private MonitoredTask status;</span> |
| <span class="source-line-no">086</span><span id="line-86"> private SnapshotManifest snapshotManifest;</span> |
| <span class="source-line-no">087</span><span id="line-87"> private TableDescriptor htd;</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> private RetryCounter retryCounter;</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> public SnapshotProcedure() {</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"> public SnapshotProcedure(final MasterProcedureEnv env, final SnapshotDescription snapshot) {</span> |
| <span class="source-line-no">095</span><span id="line-95"> super(env);</span> |
| <span class="source-line-no">096</span><span id="line-96"> this.snapshot = snapshot;</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</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"> public TableName getTableName() {</span> |
| <span class="source-line-no">101</span><span id="line-101"> return TableName.valueOf(snapshot.getTable());</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</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 TableOperationType getTableOperationType() {</span> |
| <span class="source-line-no">106</span><span id="line-106"> return TableOperationType.SNAPSHOT;</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"> protected Flow executeFromState(MasterProcedureEnv env, SnapshotState state)</span> |
| <span class="source-line-no">111</span><span id="line-111"> throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException {</span> |
| <span class="source-line-no">112</span><span id="line-112"> LOG.info("{} execute state={}", this, state);</span> |
| <span class="source-line-no">113</span><span id="line-113"></span> |
| <span class="source-line-no">114</span><span id="line-114"> try {</span> |
| <span class="source-line-no">115</span><span id="line-115"> switch (state) {</span> |
| <span class="source-line-no">116</span><span id="line-116"> case SNAPSHOT_PREPARE:</span> |
| <span class="source-line-no">117</span><span id="line-117"> prepareSnapshot(env);</span> |
| <span class="source-line-no">118</span><span id="line-118"> setNextState(SnapshotState.SNAPSHOT_PRE_OPERATION);</span> |
| <span class="source-line-no">119</span><span id="line-119"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">120</span><span id="line-120"> case SNAPSHOT_PRE_OPERATION:</span> |
| <span class="source-line-no">121</span><span id="line-121"> preSnapshot(env);</span> |
| <span class="source-line-no">122</span><span id="line-122"> setNextState(SnapshotState.SNAPSHOT_WRITE_SNAPSHOT_INFO);</span> |
| <span class="source-line-no">123</span><span id="line-123"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">124</span><span id="line-124"> case SNAPSHOT_WRITE_SNAPSHOT_INFO:</span> |
| <span class="source-line-no">125</span><span id="line-125"> TableState tableState =</span> |
| <span class="source-line-no">126</span><span id="line-126"> env.getMasterServices().getTableStateManager().getTableState(snapshotTable);</span> |
| <span class="source-line-no">127</span><span id="line-127"> if (tableState.isEnabled()) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> setNextState(SnapshotState.SNAPSHOT_SNAPSHOT_ONLINE_REGIONS);</span> |
| <span class="source-line-no">129</span><span id="line-129"> } else if (tableState.isDisabled()) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> // Set the snapshot type to DISABLED as the table is in DISABLED state</span> |
| <span class="source-line-no">131</span><span id="line-131"> snapshot = snapshot.toBuilder().setType(Type.DISABLED).build();</span> |
| <span class="source-line-no">132</span><span id="line-132"> setNextState(SnapshotState.SNAPSHOT_SNAPSHOT_CLOSED_REGIONS);</span> |
| <span class="source-line-no">133</span><span id="line-133"> }</span> |
| <span class="source-line-no">134</span><span id="line-134"> SnapshotDescriptionUtils.writeSnapshotInfo(snapshot, workingDir, workingDirFS);</span> |
| <span class="source-line-no">135</span><span id="line-135"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">136</span><span id="line-136"> case SNAPSHOT_SNAPSHOT_ONLINE_REGIONS:</span> |
| <span class="source-line-no">137</span><span id="line-137"> addChildProcedure(createRemoteSnapshotProcedures(env));</span> |
| <span class="source-line-no">138</span><span id="line-138"> setNextState(SnapshotState.SNAPSHOT_SNAPSHOT_SPLIT_REGIONS);</span> |
| <span class="source-line-no">139</span><span id="line-139"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">140</span><span id="line-140"> case SNAPSHOT_SNAPSHOT_SPLIT_REGIONS:</span> |
| <span class="source-line-no">141</span><span id="line-141"> snapshotSplitRegions(env);</span> |
| <span class="source-line-no">142</span><span id="line-142"> setNextState(SnapshotState.SNAPSHOT_SNAPSHOT_MOB_REGION);</span> |
| <span class="source-line-no">143</span><span id="line-143"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">144</span><span id="line-144"> case SNAPSHOT_SNAPSHOT_CLOSED_REGIONS:</span> |
| <span class="source-line-no">145</span><span id="line-145"> snapshotClosedRegions(env);</span> |
| <span class="source-line-no">146</span><span id="line-146"> setNextState(SnapshotState.SNAPSHOT_SNAPSHOT_MOB_REGION);</span> |
| <span class="source-line-no">147</span><span id="line-147"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">148</span><span id="line-148"> case SNAPSHOT_SNAPSHOT_MOB_REGION:</span> |
| <span class="source-line-no">149</span><span id="line-149"> snapshotMobRegion(env);</span> |
| <span class="source-line-no">150</span><span id="line-150"> setNextState(SnapshotState.SNAPSHOT_CONSOLIDATE_SNAPSHOT);</span> |
| <span class="source-line-no">151</span><span id="line-151"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">152</span><span id="line-152"> case SNAPSHOT_CONSOLIDATE_SNAPSHOT:</span> |
| <span class="source-line-no">153</span><span id="line-153"> // flush the in-memory state, and write the single manifest</span> |
| <span class="source-line-no">154</span><span id="line-154"> status.setStatus("Consolidate snapshot: " + snapshot.getName());</span> |
| <span class="source-line-no">155</span><span id="line-155"> snapshotManifest.consolidate();</span> |
| <span class="source-line-no">156</span><span id="line-156"> setNextState(SnapshotState.SNAPSHOT_VERIFIER_SNAPSHOT);</span> |
| <span class="source-line-no">157</span><span id="line-157"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">158</span><span id="line-158"> case SNAPSHOT_VERIFIER_SNAPSHOT:</span> |
| <span class="source-line-no">159</span><span id="line-159"> status.setStatus("Verifying snapshot: " + snapshot.getName());</span> |
| <span class="source-line-no">160</span><span id="line-160"> verifySnapshot(env);</span> |
| <span class="source-line-no">161</span><span id="line-161"> setNextState(SnapshotState.SNAPSHOT_COMPLETE_SNAPSHOT);</span> |
| <span class="source-line-no">162</span><span id="line-162"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">163</span><span id="line-163"> case SNAPSHOT_COMPLETE_SNAPSHOT:</span> |
| <span class="source-line-no">164</span><span id="line-164"> if (isSnapshotCorrupted()) {</span> |
| <span class="source-line-no">165</span><span id="line-165"> throw new CorruptedSnapshotException(snapshot.getName());</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"> if (</span> |
| <span class="source-line-no">168</span><span id="line-168"> SnapshotDescriptionUtils.isExpiredSnapshot(snapshot.getTtl(),</span> |
| <span class="source-line-no">169</span><span id="line-169"> snapshot.getCreationTime(), EnvironmentEdgeManager.currentTime())</span> |
| <span class="source-line-no">170</span><span id="line-170"> ) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> throw new SnapshotTTLExpiredException(ProtobufUtil.createSnapshotDesc(snapshot));</span> |
| <span class="source-line-no">172</span><span id="line-172"> }</span> |
| <span class="source-line-no">173</span><span id="line-173"> completeSnapshot(env);</span> |
| <span class="source-line-no">174</span><span id="line-174"> setNextState(SnapshotState.SNAPSHOT_POST_OPERATION);</span> |
| <span class="source-line-no">175</span><span id="line-175"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">176</span><span id="line-176"> case SNAPSHOT_POST_OPERATION:</span> |
| <span class="source-line-no">177</span><span id="line-177"> postSnapshot(env);</span> |
| <span class="source-line-no">178</span><span id="line-178"> return Flow.NO_MORE_STATE;</span> |
| <span class="source-line-no">179</span><span id="line-179"> default:</span> |
| <span class="source-line-no">180</span><span id="line-180"> throw new UnsupportedOperationException("unhandled state=" + state);</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> } catch (ProcedureSuspendedException e) {</span> |
| <span class="source-line-no">183</span><span id="line-183"> throw e;</span> |
| <span class="source-line-no">184</span><span id="line-184"> } catch (Exception e) {</span> |
| <span class="source-line-no">185</span><span id="line-185"> setFailure("master-snapshot", e);</span> |
| <span class="source-line-no">186</span><span id="line-186"> LOG.warn("unexpected exception while execute {}. Mark procedure Failed.", this, e);</span> |
| <span class="source-line-no">187</span><span id="line-187"> status.abort("Abort Snapshot " + snapshot.getName() + " on Table " + snapshotTable);</span> |
| <span class="source-line-no">188</span><span id="line-188"> return Flow.NO_MORE_STATE;</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"> }</span> |
| <span class="source-line-no">191</span><span id="line-191"></span> |
| <span class="source-line-no">192</span><span id="line-192"> @Override</span> |
| <span class="source-line-no">193</span><span id="line-193"> protected void rollbackState(MasterProcedureEnv env, SnapshotState state)</span> |
| <span class="source-line-no">194</span><span id="line-194"> throws IOException, InterruptedException {</span> |
| <span class="source-line-no">195</span><span id="line-195"> if (state == SnapshotState.SNAPSHOT_PRE_OPERATION) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> try {</span> |
| <span class="source-line-no">197</span><span id="line-197"> if (!workingDirFS.delete(workingDir, true)) {</span> |
| <span class="source-line-no">198</span><span id="line-198"> LOG.error("Couldn't delete snapshot working directory {}", workingDir);</span> |
| <span class="source-line-no">199</span><span id="line-199"> }</span> |
| <span class="source-line-no">200</span><span id="line-200"> } catch (IOException e) {</span> |
| <span class="source-line-no">201</span><span id="line-201"> LOG.error("Couldn't delete snapshot working directory {}", workingDir, e);</span> |
| <span class="source-line-no">202</span><span id="line-202"> }</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</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"> protected boolean isRollbackSupported(SnapshotState state) {</span> |
| <span class="source-line-no">208</span><span id="line-208"> return true;</span> |
| <span class="source-line-no">209</span><span id="line-209"> }</span> |
| <span class="source-line-no">210</span><span id="line-210"></span> |
| <span class="source-line-no">211</span><span id="line-211"> @Override</span> |
| <span class="source-line-no">212</span><span id="line-212"> protected SnapshotState getState(final int stateId) {</span> |
| <span class="source-line-no">213</span><span id="line-213"> return SnapshotState.forNumber(stateId);</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"> @Override</span> |
| <span class="source-line-no">217</span><span id="line-217"> protected int getStateId(SnapshotState state) {</span> |
| <span class="source-line-no">218</span><span id="line-218"> return state.getNumber();</span> |
| <span class="source-line-no">219</span><span id="line-219"> }</span> |
| <span class="source-line-no">220</span><span id="line-220"></span> |
| <span class="source-line-no">221</span><span id="line-221"> @Override</span> |
| <span class="source-line-no">222</span><span id="line-222"> protected SnapshotState getInitialState() {</span> |
| <span class="source-line-no">223</span><span id="line-223"> return SnapshotState.SNAPSHOT_PREPARE;</span> |
| <span class="source-line-no">224</span><span id="line-224"> }</span> |
| <span class="source-line-no">225</span><span id="line-225"></span> |
| <span class="source-line-no">226</span><span id="line-226"> private void prepareSnapshot(MasterProcedureEnv env)</span> |
| <span class="source-line-no">227</span><span id="line-227"> throws ProcedureSuspendedException, IOException {</span> |
| <span class="source-line-no">228</span><span id="line-228"> if (isAnySplitOrMergeProcedureRunning(env)) {</span> |
| <span class="source-line-no">229</span><span id="line-229"> if (retryCounter == null) {</span> |
| <span class="source-line-no">230</span><span id="line-230"> retryCounter = ProcedureUtil.createRetryCounter(env.getMasterConfiguration());</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"> long backoff = retryCounter.getBackoffTimeAndIncrementAttempts();</span> |
| <span class="source-line-no">233</span><span id="line-233"> LOG.warn("{} waits {} ms for Split/Merge procedure to finish", this, backoff);</span> |
| <span class="source-line-no">234</span><span id="line-234"> setTimeout(Math.toIntExact(backoff));</span> |
| <span class="source-line-no">235</span><span id="line-235"> setState(ProcedureState.WAITING_TIMEOUT);</span> |
| <span class="source-line-no">236</span><span id="line-236"> skipPersistence();</span> |
| <span class="source-line-no">237</span><span id="line-237"> throw new ProcedureSuspendedException();</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"> prepareSnapshotEnv(env);</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> private void prepareSnapshotEnv(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">243</span><span id="line-243"> this.conf = env.getMasterConfiguration();</span> |
| <span class="source-line-no">244</span><span id="line-244"> this.snapshotTable = TableName.valueOf(snapshot.getTable());</span> |
| <span class="source-line-no">245</span><span id="line-245"> this.htd = loadTableDescriptorSnapshot(env);</span> |
| <span class="source-line-no">246</span><span id="line-246"> this.rootFs = env.getMasterFileSystem().getFileSystem();</span> |
| <span class="source-line-no">247</span><span id="line-247"> this.rootDir = CommonFSUtils.getRootDir(conf);</span> |
| <span class="source-line-no">248</span><span id="line-248"> this.snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);</span> |
| <span class="source-line-no">249</span><span id="line-249"> this.workingDir = SnapshotDescriptionUtils.getWorkingSnapshotDir(snapshot, rootDir, conf);</span> |
| <span class="source-line-no">250</span><span id="line-250"> this.workingDirFS = workingDir.getFileSystem(conf);</span> |
| <span class="source-line-no">251</span><span id="line-251"> this.status = TaskMonitor.get()</span> |
| <span class="source-line-no">252</span><span id="line-252"> .createStatus("Taking " + snapshot.getType() + " snapshot on table: " + snapshotTable);</span> |
| <span class="source-line-no">253</span><span id="line-253"> ForeignExceptionDispatcher monitor = new ForeignExceptionDispatcher(snapshot.getName());</span> |
| <span class="source-line-no">254</span><span id="line-254"> this.snapshotManifest =</span> |
| <span class="source-line-no">255</span><span id="line-255"> SnapshotManifest.create(conf, rootFs, workingDir, snapshot, monitor, status);</span> |
| <span class="source-line-no">256</span><span id="line-256"> this.snapshotManifest.addTableDescriptor(htd);</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> @Override</span> |
| <span class="source-line-no">260</span><span id="line-260"> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">261</span><span id="line-261"> setState(ProcedureState.RUNNABLE);</span> |
| <span class="source-line-no">262</span><span id="line-262"> env.getProcedureScheduler().addFront(this);</span> |
| <span class="source-line-no">263</span><span id="line-263"> return false;</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"> private boolean isAnySplitOrMergeProcedureRunning(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">267</span><span id="line-267"> return env.getMasterServices().getMasterProcedureExecutor().getProcedures().stream()</span> |
| <span class="source-line-no">268</span><span id="line-268"> .filter(p -> !p.isFinished())</span> |
| <span class="source-line-no">269</span><span id="line-269"> .filter(</span> |
| <span class="source-line-no">270</span><span id="line-270"> p -> p instanceof SplitTableRegionProcedure || p instanceof MergeTableRegionsProcedure)</span> |
| <span class="source-line-no">271</span><span id="line-271"> .anyMatch(</span> |
| <span class="source-line-no">272</span><span id="line-272"> p -> ((AbstractStateMachineTableProcedure<?>) p).getTableName().equals(getTableName()));</span> |
| <span class="source-line-no">273</span><span id="line-273"> }</span> |
| <span class="source-line-no">274</span><span id="line-274"></span> |
| <span class="source-line-no">275</span><span id="line-275"> private TableDescriptor loadTableDescriptorSnapshot(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">276</span><span id="line-276"> TableDescriptor htd = env.getMasterServices().getTableDescriptors().get(snapshotTable);</span> |
| <span class="source-line-no">277</span><span id="line-277"> if (htd == null) {</span> |
| <span class="source-line-no">278</span><span id="line-278"> throw new IOException("TableDescriptor missing for " + snapshotTable);</span> |
| <span class="source-line-no">279</span><span id="line-279"> }</span> |
| <span class="source-line-no">280</span><span id="line-280"> if (htd.getMaxFileSize() == -1 && this.snapshot.getMaxFileSize() > 0) {</span> |
| <span class="source-line-no">281</span><span id="line-281"> return TableDescriptorBuilder.newBuilder(htd).setValue(TableDescriptorBuilder.MAX_FILESIZE,</span> |
| <span class="source-line-no">282</span><span id="line-282"> Long.toString(this.snapshot.getMaxFileSize())).build();</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"> return htd;</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"></span> |
| <span class="source-line-no">287</span><span id="line-287"> private void preSnapshot(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">288</span><span id="line-288"> env.getMasterServices().getSnapshotManager().prepareWorkingDirectory(snapshot);</span> |
| <span class="source-line-no">289</span><span id="line-289"> }</span> |
| <span class="source-line-no">290</span><span id="line-290"></span> |
| <span class="source-line-no">291</span><span id="line-291"> private void postSnapshot(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">292</span><span id="line-292"> SnapshotManager sm = env.getMasterServices().getSnapshotManager();</span> |
| <span class="source-line-no">293</span><span id="line-293"> if (sm != null) {</span> |
| <span class="source-line-no">294</span><span id="line-294"> sm.unregisterSnapshotProcedure(snapshot, getProcId());</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"></span> |
| <span class="source-line-no">298</span><span id="line-298"> private void verifySnapshot(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">299</span><span id="line-299"> int verifyThreshold =</span> |
| <span class="source-line-no">300</span><span id="line-300"> env.getMasterConfiguration().getInt("hbase.snapshot.remote.verify.threshold", 10000);</span> |
| <span class="source-line-no">301</span><span id="line-301"> List<RegionInfo> regions = env.getAssignmentManager().getTableRegions(snapshotTable, false)</span> |
| <span class="source-line-no">302</span><span id="line-302"> .stream().filter(r -> RegionReplicaUtil.isDefaultReplica(r)).collect(Collectors.toList());</span> |
| <span class="source-line-no">303</span><span id="line-303"> int numRegions = regions.size();</span> |
| <span class="source-line-no">304</span><span id="line-304"></span> |
| <span class="source-line-no">305</span><span id="line-305"> MasterSnapshotVerifier verifier =</span> |
| <span class="source-line-no">306</span><span id="line-306"> new MasterSnapshotVerifier(env.getMasterServices(), snapshot, workingDirFS);</span> |
| <span class="source-line-no">307</span><span id="line-307"> if (numRegions >= verifyThreshold) {</span> |
| <span class="source-line-no">308</span><span id="line-308"> verifier.verifySnapshot(workingDir, false);</span> |
| <span class="source-line-no">309</span><span id="line-309"> addChildProcedure(regions.stream().map(r -> new SnapshotVerifyProcedure(snapshot, r))</span> |
| <span class="source-line-no">310</span><span id="line-310"> .toArray(SnapshotVerifyProcedure[]::new));</span> |
| <span class="source-line-no">311</span><span id="line-311"> } else {</span> |
| <span class="source-line-no">312</span><span id="line-312"> verifier.verifySnapshot(workingDir, true);</span> |
| <span class="source-line-no">313</span><span id="line-313"> }</span> |
| <span class="source-line-no">314</span><span id="line-314"> }</span> |
| <span class="source-line-no">315</span><span id="line-315"></span> |
| <span class="source-line-no">316</span><span id="line-316"> private void completeSnapshot(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">317</span><span id="line-317"> // complete the snapshot, atomically moving from tmp to .snapshot dir.</span> |
| <span class="source-line-no">318</span><span id="line-318"> SnapshotDescriptionUtils.completeSnapshot(snapshotDir, workingDir,</span> |
| <span class="source-line-no">319</span><span id="line-319"> env.getMasterFileSystem().getFileSystem(), workingDirFS, conf);</span> |
| <span class="source-line-no">320</span><span id="line-320"> // update metric. when master restarts, the metric value is wrong</span> |
| <span class="source-line-no">321</span><span id="line-321"> metricsSnapshot.addSnapshot(status.getCompletionTimestamp() - status.getStartTime());</span> |
| <span class="source-line-no">322</span><span id="line-322"> if (env.getMasterCoprocessorHost() != null) {</span> |
| <span class="source-line-no">323</span><span id="line-323"> env.getMasterCoprocessorHost()</span> |
| <span class="source-line-no">324</span><span id="line-324"> .postCompletedSnapshotAction(ProtobufUtil.createSnapshotDesc(snapshot), htd);</span> |
| <span class="source-line-no">325</span><span id="line-325"> }</span> |
| <span class="source-line-no">326</span><span id="line-326"> status.markComplete("Snapshot " + snapshot.getName() + " completed");</span> |
| <span class="source-line-no">327</span><span id="line-327"> }</span> |
| <span class="source-line-no">328</span><span id="line-328"></span> |
| <span class="source-line-no">329</span><span id="line-329"> private void snapshotSplitRegions(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">330</span><span id="line-330"> List<RegionInfo> regions =</span> |
| <span class="source-line-no">331</span><span id="line-331"> getDefaultRegionReplica(env).filter(RegionInfo::isSplit).collect(Collectors.toList());</span> |
| <span class="source-line-no">332</span><span id="line-332"> snapshotSplitOrClosedRegions(env, regions, "SplitRegionsSnapshotPool");</span> |
| <span class="source-line-no">333</span><span id="line-333"> }</span> |
| <span class="source-line-no">334</span><span id="line-334"></span> |
| <span class="source-line-no">335</span><span id="line-335"> private void snapshotClosedRegions(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">336</span><span id="line-336"> List<RegionInfo> regions = getDefaultRegionReplica(env).collect(Collectors.toList());</span> |
| <span class="source-line-no">337</span><span id="line-337"> snapshotSplitOrClosedRegions(env, regions, "ClosedRegionsSnapshotPool");</span> |
| <span class="source-line-no">338</span><span id="line-338"> }</span> |
| <span class="source-line-no">339</span><span id="line-339"></span> |
| <span class="source-line-no">340</span><span id="line-340"> private Stream<RegionInfo> getDefaultRegionReplica(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> return env.getAssignmentManager().getTableRegions(snapshotTable, false).stream()</span> |
| <span class="source-line-no">342</span><span id="line-342"> .filter(r -> RegionReplicaUtil.isDefaultReplica(r));</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"> private void snapshotSplitOrClosedRegions(MasterProcedureEnv env, List<RegionInfo> regions,</span> |
| <span class="source-line-no">346</span><span id="line-346"> String threadPoolName) throws IOException {</span> |
| <span class="source-line-no">347</span><span id="line-347"> ThreadPoolExecutor exec =</span> |
| <span class="source-line-no">348</span><span id="line-348"> SnapshotManifest.createExecutor(env.getMasterConfiguration(), threadPoolName);</span> |
| <span class="source-line-no">349</span><span id="line-349"> try {</span> |
| <span class="source-line-no">350</span><span id="line-350"> ModifyRegionUtils.editRegions(exec, regions, new ModifyRegionUtils.RegionEditTask() {</span> |
| <span class="source-line-no">351</span><span id="line-351"> @Override</span> |
| <span class="source-line-no">352</span><span id="line-352"> public void editRegion(final RegionInfo region) throws IOException {</span> |
| <span class="source-line-no">353</span><span id="line-353"> snapshotManifest.addRegion(CommonFSUtils.getTableDir(rootDir, snapshotTable), region);</span> |
| <span class="source-line-no">354</span><span id="line-354"> LOG.info("take snapshot region={}, table={}", region, snapshotTable);</span> |
| <span class="source-line-no">355</span><span id="line-355"> }</span> |
| <span class="source-line-no">356</span><span id="line-356"> });</span> |
| <span class="source-line-no">357</span><span id="line-357"> } finally {</span> |
| <span class="source-line-no">358</span><span id="line-358"> exec.shutdown();</span> |
| <span class="source-line-no">359</span><span id="line-359"> }</span> |
| <span class="source-line-no">360</span><span id="line-360"> status.setStatus("Completed referencing closed/split regions of table: " + snapshotTable);</span> |
| <span class="source-line-no">361</span><span id="line-361"> }</span> |
| <span class="source-line-no">362</span><span id="line-362"></span> |
| <span class="source-line-no">363</span><span id="line-363"> private void snapshotMobRegion(MasterProcedureEnv env) throws IOException {</span> |
| <span class="source-line-no">364</span><span id="line-364"> if (!MobUtils.hasMobColumns(htd)) {</span> |
| <span class="source-line-no">365</span><span id="line-365"> return;</span> |
| <span class="source-line-no">366</span><span id="line-366"> }</span> |
| <span class="source-line-no">367</span><span id="line-367"> ThreadPoolExecutor exec =</span> |
| <span class="source-line-no">368</span><span id="line-368"> SnapshotManifest.createExecutor(env.getMasterConfiguration(), "MobRegionSnapshotPool");</span> |
| <span class="source-line-no">369</span><span id="line-369"> RegionInfo mobRegionInfo = MobUtils.getMobRegionInfo(htd.getTableName());</span> |
| <span class="source-line-no">370</span><span id="line-370"> try {</span> |
| <span class="source-line-no">371</span><span id="line-371"> ModifyRegionUtils.editRegions(exec, Collections.singleton(mobRegionInfo),</span> |
| <span class="source-line-no">372</span><span id="line-372"> new ModifyRegionUtils.RegionEditTask() {</span> |
| <span class="source-line-no">373</span><span id="line-373"> @Override</span> |
| <span class="source-line-no">374</span><span id="line-374"> public void editRegion(final RegionInfo region) throws IOException {</span> |
| <span class="source-line-no">375</span><span id="line-375"> snapshotManifest.addRegion(CommonFSUtils.getTableDir(rootDir, snapshotTable), region);</span> |
| <span class="source-line-no">376</span><span id="line-376"> }</span> |
| <span class="source-line-no">377</span><span id="line-377"> });</span> |
| <span class="source-line-no">378</span><span id="line-378"> } finally {</span> |
| <span class="source-line-no">379</span><span id="line-379"> exec.shutdown();</span> |
| <span class="source-line-no">380</span><span id="line-380"> }</span> |
| <span class="source-line-no">381</span><span id="line-381"> status.setStatus("Completed referencing HFiles for the mob region of table: " + snapshotTable);</span> |
| <span class="source-line-no">382</span><span id="line-382"> }</span> |
| <span class="source-line-no">383</span><span id="line-383"></span> |
| <span class="source-line-no">384</span><span id="line-384"> @Override</span> |
| <span class="source-line-no">385</span><span id="line-385"> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">386</span><span id="line-386"> super.serializeStateData(serializer);</span> |
| <span class="source-line-no">387</span><span id="line-387"> serializer</span> |
| <span class="source-line-no">388</span><span id="line-388"> .serialize(SnapshotProcedureStateData.newBuilder().setSnapshot(this.snapshot).build());</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"> @Override</span> |
| <span class="source-line-no">392</span><span id="line-392"> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">393</span><span id="line-393"> super.deserializeStateData(serializer);</span> |
| <span class="source-line-no">394</span><span id="line-394"> SnapshotProcedureStateData data = serializer.deserialize(SnapshotProcedureStateData.class);</span> |
| <span class="source-line-no">395</span><span id="line-395"> this.snapshot = data.getSnapshot();</span> |
| <span class="source-line-no">396</span><span id="line-396"> }</span> |
| <span class="source-line-no">397</span><span id="line-397"></span> |
| <span class="source-line-no">398</span><span id="line-398"> private Procedure<MasterProcedureEnv>[] createRemoteSnapshotProcedures(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">399</span><span id="line-399"> return env.getAssignmentManager().getTableRegions(snapshotTable, true).stream()</span> |
| <span class="source-line-no">400</span><span id="line-400"> .filter(r -> RegionReplicaUtil.isDefaultReplica(r))</span> |
| <span class="source-line-no">401</span><span id="line-401"> .map(r -> new SnapshotRegionProcedure(snapshot, r)).toArray(SnapshotRegionProcedure[]::new);</span> |
| <span class="source-line-no">402</span><span id="line-402"> }</span> |
| <span class="source-line-no">403</span><span id="line-403"></span> |
| <span class="source-line-no">404</span><span id="line-404"> @Override</span> |
| <span class="source-line-no">405</span><span id="line-405"> public void toStringClassDetails(StringBuilder builder) {</span> |
| <span class="source-line-no">406</span><span id="line-406"> builder.append(getClass().getName()).append(", id=").append(getProcId()).append(", snapshot=")</span> |
| <span class="source-line-no">407</span><span id="line-407"> .append(ClientSnapshotDescriptionUtils.toString(snapshot));</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"> public SnapshotDescription getSnapshotDesc() {</span> |
| <span class="source-line-no">411</span><span id="line-411"> return snapshot;</span> |
| <span class="source-line-no">412</span><span id="line-412"> }</span> |
| <span class="source-line-no">413</span><span id="line-413"></span> |
| <span class="source-line-no">414</span><span id="line-414"> @Override</span> |
| <span class="source-line-no">415</span><span id="line-415"> protected void afterReplay(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">416</span><span id="line-416"> if (getCurrentState() == getInitialState()) {</span> |
| <span class="source-line-no">417</span><span id="line-417"> // if we are in the initial state, it is unnecessary to call prepareSnapshotEnv().</span> |
| <span class="source-line-no">418</span><span id="line-418"> return;</span> |
| <span class="source-line-no">419</span><span id="line-419"> }</span> |
| <span class="source-line-no">420</span><span id="line-420"> try {</span> |
| <span class="source-line-no">421</span><span id="line-421"> prepareSnapshotEnv(env);</span> |
| <span class="source-line-no">422</span><span id="line-422"> boolean snapshotProcedureEnabled = conf.getBoolean(SnapshotManager.SNAPSHOT_PROCEDURE_ENABLED,</span> |
| <span class="source-line-no">423</span><span id="line-423"> SnapshotManager.SNAPSHOT_PROCEDURE_ENABLED_DEFAULT);</span> |
| <span class="source-line-no">424</span><span id="line-424"> if (!snapshotProcedureEnabled) {</span> |
| <span class="source-line-no">425</span><span id="line-425"> throw new IOException("SnapshotProcedure is DISABLED");</span> |
| <span class="source-line-no">426</span><span id="line-426"> }</span> |
| <span class="source-line-no">427</span><span id="line-427"> } catch (IOException e) {</span> |
| <span class="source-line-no">428</span><span id="line-428"> LOG.error("Failed replaying {}, mark procedure as FAILED", this, e);</span> |
| <span class="source-line-no">429</span><span id="line-429"> setFailure("master-snapshot", e);</span> |
| <span class="source-line-no">430</span><span id="line-430"> }</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"> public SnapshotDescription getSnapshot() {</span> |
| <span class="source-line-no">434</span><span id="line-434"> return snapshot;</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"> public synchronized void markSnapshotCorrupted() throws IOException {</span> |
| <span class="source-line-no">438</span><span id="line-438"> Path flagFile = SnapshotDescriptionUtils.getCorruptedFlagFileForSnapshot(workingDir);</span> |
| <span class="source-line-no">439</span><span id="line-439"> if (!workingDirFS.exists(flagFile)) {</span> |
| <span class="source-line-no">440</span><span id="line-440"> workingDirFS.create(flagFile).close();</span> |
| <span class="source-line-no">441</span><span id="line-441"> LOG.info("touch corrupted snapshot flag file {} for {}", flagFile, snapshot.getName());</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"></span> |
| <span class="source-line-no">445</span><span id="line-445"> public boolean isSnapshotCorrupted() throws IOException {</span> |
| <span class="source-line-no">446</span><span id="line-446"> return workingDirFS</span> |
| <span class="source-line-no">447</span><span id="line-447"> .exists(SnapshotDescriptionUtils.getCorruptedFlagFileForSnapshot(workingDir));</span> |
| <span class="source-line-no">448</span><span id="line-448"> }</span> |
| <span class="source-line-no">449</span><span id="line-449">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
