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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 com.google.errorprone.annotations.RestrictedApi;</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.util.ArrayList;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Collections;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.List;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Optional;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HRegionLocation;</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.TableDescriptor;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.conf.ConfigKey;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.master.assignment.RegionStateNode;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.procedure2.ProcedureUtil;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.util.RetryCounter;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.slf4j.Logger;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hbase.thirdparty.org.apache.commons.collections4.CollectionUtils;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.ReopenTableRegionsState;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.ReopenTableRegionsStateData;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52">/**</span> |
| <span class="source-line-no">053</span><span id="line-53"> * Used for reopening the regions for a table.</span> |
| <span class="source-line-no">054</span><span id="line-54"> */</span> |
| <span class="source-line-no">055</span><span id="line-55">@InterfaceAudience.Private</span> |
| <span class="source-line-no">056</span><span id="line-56">public class ReopenTableRegionsProcedure</span> |
| <span class="source-line-no">057</span><span id="line-57"> extends AbstractStateMachineTableProcedure<ReopenTableRegionsState> {</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final Logger LOG = LoggerFactory.getLogger(ReopenTableRegionsProcedure.class);</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> public static final String PROGRESSIVE_BATCH_BACKOFF_MILLIS_KEY =</span> |
| <span class="source-line-no">062</span><span id="line-62"> ConfigKey.LONG("hbase.reopen.table.regions.progressive.batch.backoff.ms");</span> |
| <span class="source-line-no">063</span><span id="line-63"> public static final long PROGRESSIVE_BATCH_BACKOFF_MILLIS_DEFAULT = 0L;</span> |
| <span class="source-line-no">064</span><span id="line-64"> public static final String PROGRESSIVE_BATCH_SIZE_MAX_KEY =</span> |
| <span class="source-line-no">065</span><span id="line-65"> ConfigKey.INT("hbase.reopen.table.regions.progressive.batch.size.max");</span> |
| <span class="source-line-no">066</span><span id="line-66"> public static final int PROGRESSIVE_BATCH_SIZE_MAX_DISABLED = -1;</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> // this minimum prevents a max which would break this procedure</span> |
| <span class="source-line-no">069</span><span id="line-69"> private static final int MINIMUM_BATCH_SIZE_MAX = 1;</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 TableName tableName;</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> // Specify specific regions of a table to reopen.</span> |
| <span class="source-line-no">074</span><span id="line-74"> // if specified null, all regions of the table will be reopened.</span> |
| <span class="source-line-no">075</span><span id="line-75"> private List<byte[]> regionNames;</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 List<HRegionLocation> regions = Collections.emptyList();</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> private List<HRegionLocation> currentRegionBatch = Collections.emptyList();</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> private RetryCounter retryCounter;</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> private long reopenBatchBackoffMillis;</span> |
| <span class="source-line-no">084</span><span id="line-84"> private int reopenBatchSize;</span> |
| <span class="source-line-no">085</span><span id="line-85"> private int reopenBatchSizeMax;</span> |
| <span class="source-line-no">086</span><span id="line-86"> private long regionsReopened = 0;</span> |
| <span class="source-line-no">087</span><span id="line-87"> private long batchesProcessed = 0;</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> /**</span> |
| <span class="source-line-no">090</span><span id="line-90"> * Create a new ReopenTableRegionsProcedure respecting the throttling configuration for the table.</span> |
| <span class="source-line-no">091</span><span id="line-91"> * First check the table descriptor, then fall back to the global configuration. Only used in</span> |
| <span class="source-line-no">092</span><span id="line-92"> * ModifyTableProcedure.</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 static ReopenTableRegionsProcedure throttled(final Configuration conf,</span> |
| <span class="source-line-no">095</span><span id="line-95"> final TableDescriptor desc) {</span> |
| <span class="source-line-no">096</span><span id="line-96"> long backoffMillis = Optional.ofNullable(desc.getValue(PROGRESSIVE_BATCH_BACKOFF_MILLIS_KEY))</span> |
| <span class="source-line-no">097</span><span id="line-97"> .map(Long::parseLong).orElseGet(() -> conf.getLong(PROGRESSIVE_BATCH_BACKOFF_MILLIS_KEY,</span> |
| <span class="source-line-no">098</span><span id="line-98"> PROGRESSIVE_BATCH_BACKOFF_MILLIS_DEFAULT));</span> |
| <span class="source-line-no">099</span><span id="line-99"> int batchSizeMax = Optional.ofNullable(desc.getValue(PROGRESSIVE_BATCH_SIZE_MAX_KEY))</span> |
| <span class="source-line-no">100</span><span id="line-100"> .map(Integer::parseInt).orElseGet(</span> |
| <span class="source-line-no">101</span><span id="line-101"> () -> conf.getInt(PROGRESSIVE_BATCH_SIZE_MAX_KEY, PROGRESSIVE_BATCH_SIZE_MAX_DISABLED));</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> return new ReopenTableRegionsProcedure(desc.getTableName(), backoffMillis, batchSizeMax);</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"></span> |
| <span class="source-line-no">106</span><span id="line-106"> public ReopenTableRegionsProcedure() {</span> |
| <span class="source-line-no">107</span><span id="line-107"> this(null);</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> public ReopenTableRegionsProcedure(TableName tableName) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> this(tableName, Collections.emptyList());</span> |
| <span class="source-line-no">112</span><span id="line-112"> }</span> |
| <span class="source-line-no">113</span><span id="line-113"></span> |
| <span class="source-line-no">114</span><span id="line-114"> public ReopenTableRegionsProcedure(final TableName tableName, final List<byte[]> regionNames) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> this(tableName, regionNames, PROGRESSIVE_BATCH_BACKOFF_MILLIS_DEFAULT,</span> |
| <span class="source-line-no">116</span><span id="line-116"> PROGRESSIVE_BATCH_SIZE_MAX_DISABLED);</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> ReopenTableRegionsProcedure(final TableName tableName, long reopenBatchBackoffMillis,</span> |
| <span class="source-line-no">120</span><span id="line-120"> int reopenBatchSizeMax) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> this(tableName, Collections.emptyList(), reopenBatchBackoffMillis, reopenBatchSizeMax);</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> private ReopenTableRegionsProcedure(final TableName tableName, final List<byte[]> regionNames,</span> |
| <span class="source-line-no">125</span><span id="line-125"> long reopenBatchBackoffMillis, int reopenBatchSizeMax) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> this.tableName = tableName;</span> |
| <span class="source-line-no">127</span><span id="line-127"> this.regionNames = regionNames;</span> |
| <span class="source-line-no">128</span><span id="line-128"> this.reopenBatchBackoffMillis = reopenBatchBackoffMillis;</span> |
| <span class="source-line-no">129</span><span id="line-129"> if (reopenBatchSizeMax == PROGRESSIVE_BATCH_SIZE_MAX_DISABLED) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> this.reopenBatchSize = Integer.MAX_VALUE;</span> |
| <span class="source-line-no">131</span><span id="line-131"> this.reopenBatchSizeMax = Integer.MAX_VALUE;</span> |
| <span class="source-line-no">132</span><span id="line-132"> } else {</span> |
| <span class="source-line-no">133</span><span id="line-133"> this.reopenBatchSize = 1;</span> |
| <span class="source-line-no">134</span><span id="line-134"> this.reopenBatchSizeMax = Math.max(reopenBatchSizeMax, MINIMUM_BATCH_SIZE_MAX);</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> @Override</span> |
| <span class="source-line-no">139</span><span id="line-139"> public TableName getTableName() {</span> |
| <span class="source-line-no">140</span><span id="line-140"> return tableName;</span> |
| <span class="source-line-no">141</span><span id="line-141"> }</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> @Override</span> |
| <span class="source-line-no">144</span><span id="line-144"> public TableOperationType getTableOperationType() {</span> |
| <span class="source-line-no">145</span><span id="line-145"> return TableOperationType.REGION_EDIT;</span> |
| <span class="source-line-no">146</span><span id="line-146"> }</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> @RestrictedApi(explanation = "Should only be called in tests", link = "",</span> |
| <span class="source-line-no">149</span><span id="line-149"> allowedOnPath = ".*/src/test/.*")</span> |
| <span class="source-line-no">150</span><span id="line-150"> public long getRegionsReopened() {</span> |
| <span class="source-line-no">151</span><span id="line-151"> return regionsReopened;</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"> @RestrictedApi(explanation = "Should only be called in tests", link = "",</span> |
| <span class="source-line-no">155</span><span id="line-155"> allowedOnPath = ".*/src/test/.*")</span> |
| <span class="source-line-no">156</span><span id="line-156"> public long getBatchesProcessed() {</span> |
| <span class="source-line-no">157</span><span id="line-157"> return batchesProcessed;</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> @RestrictedApi(explanation = "Should only be called in tests", link = "",</span> |
| <span class="source-line-no">161</span><span id="line-161"> allowedOnPath = ".*/src/test/.*")</span> |
| <span class="source-line-no">162</span><span id="line-162"> long getReopenBatchBackoffMillis() {</span> |
| <span class="source-line-no">163</span><span id="line-163"> return reopenBatchBackoffMillis;</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"> @RestrictedApi(explanation = "Should only be called internally or in tests", link = "",</span> |
| <span class="source-line-no">167</span><span id="line-167"> allowedOnPath = ".*(/src/test/.*|ReopenTableRegionsProcedure).java")</span> |
| <span class="source-line-no">168</span><span id="line-168"> protected int progressBatchSize() {</span> |
| <span class="source-line-no">169</span><span id="line-169"> int previousBatchSize = reopenBatchSize;</span> |
| <span class="source-line-no">170</span><span id="line-170"> reopenBatchSize = Math.min(reopenBatchSizeMax, 2 * reopenBatchSize);</span> |
| <span class="source-line-no">171</span><span id="line-171"> if (reopenBatchSize < previousBatchSize) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> // the batch size should never decrease. this must be overflow, so just use max</span> |
| <span class="source-line-no">173</span><span id="line-173"> reopenBatchSize = reopenBatchSizeMax;</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"> return reopenBatchSize;</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"></span> |
| <span class="source-line-no">178</span><span id="line-178"> private boolean canSchedule(MasterProcedureEnv env, HRegionLocation loc) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> if (loc.getSeqNum() < 0) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> return false;</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> RegionStateNode regionNode =</span> |
| <span class="source-line-no">183</span><span id="line-183"> env.getAssignmentManager().getRegionStates().getRegionStateNode(loc.getRegion());</span> |
| <span class="source-line-no">184</span><span id="line-184"> // If the region node is null, then at least in the next round we can remove this region to make</span> |
| <span class="source-line-no">185</span><span id="line-185"> // progress. And the second condition is a normal one, if there are no TRSP with it then we can</span> |
| <span class="source-line-no">186</span><span id="line-186"> // schedule one to make progress.</span> |
| <span class="source-line-no">187</span><span id="line-187"> return regionNode == null || !regionNode.isInTransition();</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"></span> |
| <span class="source-line-no">190</span><span id="line-190"> @Override</span> |
| <span class="source-line-no">191</span><span id="line-191"> protected Flow executeFromState(MasterProcedureEnv env, ReopenTableRegionsState state)</span> |
| <span class="source-line-no">192</span><span id="line-192"> throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException {</span> |
| <span class="source-line-no">193</span><span id="line-193"> switch (state) {</span> |
| <span class="source-line-no">194</span><span id="line-194"> case REOPEN_TABLE_REGIONS_GET_REGIONS:</span> |
| <span class="source-line-no">195</span><span id="line-195"> if (!isTableEnabled(env)) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> LOG.info("Table {} is disabled, give up reopening its regions", tableName);</span> |
| <span class="source-line-no">197</span><span id="line-197"> return Flow.NO_MORE_STATE;</span> |
| <span class="source-line-no">198</span><span id="line-198"> }</span> |
| <span class="source-line-no">199</span><span id="line-199"> List<HRegionLocation> tableRegions =</span> |
| <span class="source-line-no">200</span><span id="line-200"> env.getAssignmentManager().getRegionStates().getRegionsOfTableForReopen(tableName);</span> |
| <span class="source-line-no">201</span><span id="line-201"> regions = getRegionLocationsForReopen(tableRegions);</span> |
| <span class="source-line-no">202</span><span id="line-202"> setNextState(ReopenTableRegionsState.REOPEN_TABLE_REGIONS_REOPEN_REGIONS);</span> |
| <span class="source-line-no">203</span><span id="line-203"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">204</span><span id="line-204"> case REOPEN_TABLE_REGIONS_REOPEN_REGIONS:</span> |
| <span class="source-line-no">205</span><span id="line-205"> // if we didn't finish reopening the last batch yet, let's keep trying until we do.</span> |
| <span class="source-line-no">206</span><span id="line-206"> // at that point, the batch will be empty and we can generate a new batch</span> |
| <span class="source-line-no">207</span><span id="line-207"> if (!regions.isEmpty() && currentRegionBatch.isEmpty()) {</span> |
| <span class="source-line-no">208</span><span id="line-208"> currentRegionBatch = regions.stream().limit(reopenBatchSize).collect(Collectors.toList());</span> |
| <span class="source-line-no">209</span><span id="line-209"> batchesProcessed++;</span> |
| <span class="source-line-no">210</span><span id="line-210"> }</span> |
| <span class="source-line-no">211</span><span id="line-211"> for (HRegionLocation loc : currentRegionBatch) {</span> |
| <span class="source-line-no">212</span><span id="line-212"> RegionStateNode regionNode =</span> |
| <span class="source-line-no">213</span><span id="line-213"> env.getAssignmentManager().getRegionStates().getRegionStateNode(loc.getRegion());</span> |
| <span class="source-line-no">214</span><span id="line-214"> // this possible, maybe the region has already been merged or split, see HBASE-20921</span> |
| <span class="source-line-no">215</span><span id="line-215"> if (regionNode == null) {</span> |
| <span class="source-line-no">216</span><span id="line-216"> continue;</span> |
| <span class="source-line-no">217</span><span id="line-217"> }</span> |
| <span class="source-line-no">218</span><span id="line-218"> TransitRegionStateProcedure proc;</span> |
| <span class="source-line-no">219</span><span id="line-219"> regionNode.lock();</span> |
| <span class="source-line-no">220</span><span id="line-220"> try {</span> |
| <span class="source-line-no">221</span><span id="line-221"> if (regionNode.getProcedure() != null) {</span> |
| <span class="source-line-no">222</span><span id="line-222"> continue;</span> |
| <span class="source-line-no">223</span><span id="line-223"> }</span> |
| <span class="source-line-no">224</span><span id="line-224"> proc = TransitRegionStateProcedure.reopen(env, regionNode.getRegionInfo());</span> |
| <span class="source-line-no">225</span><span id="line-225"> regionNode.setProcedure(proc);</span> |
| <span class="source-line-no">226</span><span id="line-226"> } finally {</span> |
| <span class="source-line-no">227</span><span id="line-227"> regionNode.unlock();</span> |
| <span class="source-line-no">228</span><span id="line-228"> }</span> |
| <span class="source-line-no">229</span><span id="line-229"> addChildProcedure(proc);</span> |
| <span class="source-line-no">230</span><span id="line-230"> regionsReopened++;</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"> setNextState(ReopenTableRegionsState.REOPEN_TABLE_REGIONS_CONFIRM_REOPENED);</span> |
| <span class="source-line-no">233</span><span id="line-233"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">234</span><span id="line-234"> case REOPEN_TABLE_REGIONS_CONFIRM_REOPENED:</span> |
| <span class="source-line-no">235</span><span id="line-235"> // update region lists based on what's been reopened</span> |
| <span class="source-line-no">236</span><span id="line-236"> regions = filterReopened(env, regions);</span> |
| <span class="source-line-no">237</span><span id="line-237"> currentRegionBatch = filterReopened(env, currentRegionBatch);</span> |
| <span class="source-line-no">238</span><span id="line-238"></span> |
| <span class="source-line-no">239</span><span id="line-239"> // existing batch didn't fully reopen, so try to resolve that first.</span> |
| <span class="source-line-no">240</span><span id="line-240"> // since this is a retry, don't do the batch backoff</span> |
| <span class="source-line-no">241</span><span id="line-241"> if (!currentRegionBatch.isEmpty()) {</span> |
| <span class="source-line-no">242</span><span id="line-242"> return reopenIfSchedulable(env, currentRegionBatch, false);</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"></span> |
| <span class="source-line-no">245</span><span id="line-245"> if (regions.isEmpty()) {</span> |
| <span class="source-line-no">246</span><span id="line-246"> return Flow.NO_MORE_STATE;</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"></span> |
| <span class="source-line-no">249</span><span id="line-249"> // current batch is finished, schedule more regions</span> |
| <span class="source-line-no">250</span><span id="line-250"> return reopenIfSchedulable(env, regions, true);</span> |
| <span class="source-line-no">251</span><span id="line-251"> default:</span> |
| <span class="source-line-no">252</span><span id="line-252"> throw new UnsupportedOperationException("unhandled state=" + state);</span> |
| <span class="source-line-no">253</span><span id="line-253"> }</span> |
| <span class="source-line-no">254</span><span id="line-254"> }</span> |
| <span class="source-line-no">255</span><span id="line-255"></span> |
| <span class="source-line-no">256</span><span id="line-256"> private List<HRegionLocation> filterReopened(MasterProcedureEnv env,</span> |
| <span class="source-line-no">257</span><span id="line-257"> List<HRegionLocation> regionsToCheck) {</span> |
| <span class="source-line-no">258</span><span id="line-258"> return regionsToCheck.stream().map(env.getAssignmentManager().getRegionStates()::checkReopened)</span> |
| <span class="source-line-no">259</span><span id="line-259"> .filter(l -> l != null).collect(Collectors.toList());</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"></span> |
| <span class="source-line-no">262</span><span id="line-262"> private Flow reopenIfSchedulable(MasterProcedureEnv env, List<HRegionLocation> regionsToReopen,</span> |
| <span class="source-line-no">263</span><span id="line-263"> boolean shouldBatchBackoff) throws ProcedureSuspendedException {</span> |
| <span class="source-line-no">264</span><span id="line-264"> if (regionsToReopen.stream().anyMatch(loc -> canSchedule(env, loc))) {</span> |
| <span class="source-line-no">265</span><span id="line-265"> retryCounter = null;</span> |
| <span class="source-line-no">266</span><span id="line-266"> setNextState(ReopenTableRegionsState.REOPEN_TABLE_REGIONS_REOPEN_REGIONS);</span> |
| <span class="source-line-no">267</span><span id="line-267"> if (shouldBatchBackoff) {</span> |
| <span class="source-line-no">268</span><span id="line-268"> progressBatchSize();</span> |
| <span class="source-line-no">269</span><span id="line-269"> }</span> |
| <span class="source-line-no">270</span><span id="line-270"> if (shouldBatchBackoff && reopenBatchBackoffMillis > 0) {</span> |
| <span class="source-line-no">271</span><span id="line-271"> setBackoffState(reopenBatchBackoffMillis);</span> |
| <span class="source-line-no">272</span><span id="line-272"> throw new ProcedureSuspendedException();</span> |
| <span class="source-line-no">273</span><span id="line-273"> } else {</span> |
| <span class="source-line-no">274</span><span id="line-274"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">275</span><span id="line-275"> }</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"></span> |
| <span class="source-line-no">278</span><span id="line-278"> // We can not schedule TRSP for all the regions need to reopen, wait for a while and retry</span> |
| <span class="source-line-no">279</span><span id="line-279"> // again.</span> |
| <span class="source-line-no">280</span><span id="line-280"> if (retryCounter == null) {</span> |
| <span class="source-line-no">281</span><span id="line-281"> retryCounter = ProcedureUtil.createRetryCounter(env.getMasterConfiguration());</span> |
| <span class="source-line-no">282</span><span id="line-282"> }</span> |
| <span class="source-line-no">283</span><span id="line-283"> long backoffMillis = retryCounter.getBackoffTimeAndIncrementAttempts();</span> |
| <span class="source-line-no">284</span><span id="line-284"> LOG.info(</span> |
| <span class="source-line-no">285</span><span id="line-285"> "There are still {} region(s) which need to be reopened for table {}. {} are in "</span> |
| <span class="source-line-no">286</span><span id="line-286"> + "OPENING state, suspend {}secs and try again later",</span> |
| <span class="source-line-no">287</span><span id="line-287"> regions.size(), tableName, currentRegionBatch.size(), backoffMillis / 1000);</span> |
| <span class="source-line-no">288</span><span id="line-288"> setBackoffState(backoffMillis);</span> |
| <span class="source-line-no">289</span><span id="line-289"> throw new ProcedureSuspendedException();</span> |
| <span class="source-line-no">290</span><span id="line-290"> }</span> |
| <span class="source-line-no">291</span><span id="line-291"></span> |
| <span class="source-line-no">292</span><span id="line-292"> private void setBackoffState(long millis) {</span> |
| <span class="source-line-no">293</span><span id="line-293"> setTimeout(Math.toIntExact(millis));</span> |
| <span class="source-line-no">294</span><span id="line-294"> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);</span> |
| <span class="source-line-no">295</span><span id="line-295"> skipPersistence();</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 List<HRegionLocation></span> |
| <span class="source-line-no">299</span><span id="line-299"> getRegionLocationsForReopen(List<HRegionLocation> tableRegionsForReopen) {</span> |
| <span class="source-line-no">300</span><span id="line-300"></span> |
| <span class="source-line-no">301</span><span id="line-301"> List<HRegionLocation> regionsToReopen = new ArrayList<>();</span> |
| <span class="source-line-no">302</span><span id="line-302"> if (</span> |
| <span class="source-line-no">303</span><span id="line-303"> CollectionUtils.isNotEmpty(regionNames) && CollectionUtils.isNotEmpty(tableRegionsForReopen)</span> |
| <span class="source-line-no">304</span><span id="line-304"> ) {</span> |
| <span class="source-line-no">305</span><span id="line-305"> for (byte[] regionName : regionNames) {</span> |
| <span class="source-line-no">306</span><span id="line-306"> for (HRegionLocation hRegionLocation : tableRegionsForReopen) {</span> |
| <span class="source-line-no">307</span><span id="line-307"> if (Bytes.equals(regionName, hRegionLocation.getRegion().getRegionName())) {</span> |
| <span class="source-line-no">308</span><span id="line-308"> regionsToReopen.add(hRegionLocation);</span> |
| <span class="source-line-no">309</span><span id="line-309"> break;</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"> }</span> |
| <span class="source-line-no">313</span><span id="line-313"> } else {</span> |
| <span class="source-line-no">314</span><span id="line-314"> regionsToReopen = tableRegionsForReopen;</span> |
| <span class="source-line-no">315</span><span id="line-315"> }</span> |
| <span class="source-line-no">316</span><span id="line-316"> return regionsToReopen;</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"></span> |
| <span class="source-line-no">319</span><span id="line-319"> /**</span> |
| <span class="source-line-no">320</span><span id="line-320"> * At end of timeout, wake ourselves up so we run again.</span> |
| <span class="source-line-no">321</span><span id="line-321"> */</span> |
| <span class="source-line-no">322</span><span id="line-322"> @Override</span> |
| <span class="source-line-no">323</span><span id="line-323"> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {</span> |
| <span class="source-line-no">324</span><span id="line-324"> setState(ProcedureProtos.ProcedureState.RUNNABLE);</span> |
| <span class="source-line-no">325</span><span id="line-325"> env.getProcedureScheduler().addFront(this);</span> |
| <span class="source-line-no">326</span><span id="line-326"> return false; // 'false' means that this procedure handled the timeout</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"> @Override</span> |
| <span class="source-line-no">330</span><span id="line-330"> protected void rollbackState(MasterProcedureEnv env, ReopenTableRegionsState state)</span> |
| <span class="source-line-no">331</span><span id="line-331"> throws IOException, InterruptedException {</span> |
| <span class="source-line-no">332</span><span id="line-332"> throw new UnsupportedOperationException("unhandled state=" + state);</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"> @Override</span> |
| <span class="source-line-no">336</span><span id="line-336"> protected ReopenTableRegionsState getState(int stateId) {</span> |
| <span class="source-line-no">337</span><span id="line-337"> return ReopenTableRegionsState.forNumber(stateId);</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"> @Override</span> |
| <span class="source-line-no">341</span><span id="line-341"> protected int getStateId(ReopenTableRegionsState state) {</span> |
| <span class="source-line-no">342</span><span id="line-342"> return state.getNumber();</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"> @Override</span> |
| <span class="source-line-no">346</span><span id="line-346"> protected ReopenTableRegionsState getInitialState() {</span> |
| <span class="source-line-no">347</span><span id="line-347"> return ReopenTableRegionsState.REOPEN_TABLE_REGIONS_GET_REGIONS;</span> |
| <span class="source-line-no">348</span><span id="line-348"> }</span> |
| <span class="source-line-no">349</span><span id="line-349"></span> |
| <span class="source-line-no">350</span><span id="line-350"> @Override</span> |
| <span class="source-line-no">351</span><span id="line-351"> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">352</span><span id="line-352"> super.serializeStateData(serializer);</span> |
| <span class="source-line-no">353</span><span id="line-353"> ReopenTableRegionsStateData.Builder builder = ReopenTableRegionsStateData.newBuilder()</span> |
| <span class="source-line-no">354</span><span id="line-354"> .setTableName(ProtobufUtil.toProtoTableName(tableName));</span> |
| <span class="source-line-no">355</span><span id="line-355"> regions.stream().map(ProtobufUtil::toRegionLocation).forEachOrdered(builder::addRegion);</span> |
| <span class="source-line-no">356</span><span id="line-356"> if (CollectionUtils.isNotEmpty(regionNames)) {</span> |
| <span class="source-line-no">357</span><span id="line-357"> // As of this writing, wrapping this statement withing if condition is only required</span> |
| <span class="source-line-no">358</span><span id="line-358"> // for backward compatibility as we used to have 'regionNames' as null for cases</span> |
| <span class="source-line-no">359</span><span id="line-359"> // where all regions of given table should be reopened. Now, we have kept emptyList()</span> |
| <span class="source-line-no">360</span><span id="line-360"> // for 'regionNames' to indicate all regions of given table should be reopened unless</span> |
| <span class="source-line-no">361</span><span id="line-361"> // 'regionNames' contains at least one specific region, in which case only list of regions</span> |
| <span class="source-line-no">362</span><span id="line-362"> // that 'regionNames' contain should be reopened, not all regions of given table.</span> |
| <span class="source-line-no">363</span><span id="line-363"> // Now, we don't need this check since we are not dealing with null 'regionNames' and hence,</span> |
| <span class="source-line-no">364</span><span id="line-364"> // guarding by this if condition can be removed in HBase 4.0.0.</span> |
| <span class="source-line-no">365</span><span id="line-365"> regionNames.stream().map(ByteString::copyFrom).forEachOrdered(builder::addRegionNames);</span> |
| <span class="source-line-no">366</span><span id="line-366"> }</span> |
| <span class="source-line-no">367</span><span id="line-367"> serializer.serialize(builder.build());</span> |
| <span class="source-line-no">368</span><span id="line-368"> }</span> |
| <span class="source-line-no">369</span><span id="line-369"></span> |
| <span class="source-line-no">370</span><span id="line-370"> @Override</span> |
| <span class="source-line-no">371</span><span id="line-371"> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">372</span><span id="line-372"> super.deserializeStateData(serializer);</span> |
| <span class="source-line-no">373</span><span id="line-373"> ReopenTableRegionsStateData data = serializer.deserialize(ReopenTableRegionsStateData.class);</span> |
| <span class="source-line-no">374</span><span id="line-374"> tableName = ProtobufUtil.toTableName(data.getTableName());</span> |
| <span class="source-line-no">375</span><span id="line-375"> regions = data.getRegionList().stream().map(ProtobufUtil::toRegionLocation)</span> |
| <span class="source-line-no">376</span><span id="line-376"> .collect(Collectors.toList());</span> |
| <span class="source-line-no">377</span><span id="line-377"> if (CollectionUtils.isNotEmpty(data.getRegionNamesList())) {</span> |
| <span class="source-line-no">378</span><span id="line-378"> regionNames = data.getRegionNamesList().stream().map(ByteString::toByteArray)</span> |
| <span class="source-line-no">379</span><span id="line-379"> .collect(Collectors.toList());</span> |
| <span class="source-line-no">380</span><span id="line-380"> } else {</span> |
| <span class="source-line-no">381</span><span id="line-381"> regionNames = Collections.emptyList();</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">}</span> |
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| </main> |
| </body> |
| </html> |
