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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.regionserver;</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.concurrent.LinkedBlockingQueue;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.PleaseHoldException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.client.ConnectionUtils;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.util.ForeignExceptionUtil;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.slf4j.Logger;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">030</span><span id="line-30"></span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hbase.thirdparty.com.google.protobuf.TextFormat;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RemoteProcedureResult;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportProcedureDoneRequest;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36">/**</span> |
| <span class="source-line-no">037</span><span id="line-37"> * A thread which calls {@code reportProcedureDone} to tell master the result of a remote procedure.</span> |
| <span class="source-line-no">038</span><span id="line-38"> */</span> |
| <span class="source-line-no">039</span><span id="line-39">@InterfaceAudience.Private</span> |
| <span class="source-line-no">040</span><span id="line-40">class RemoteProcedureResultReporter extends Thread {</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42"> private static final Logger LOG = LoggerFactory.getLogger(RemoteProcedureResultReporter.class);</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44"> private static final int MAX_BATCH = 100;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46"> private final HRegionServer server;</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> private final LinkedBlockingQueue<RemoteProcedureResult> results = new LinkedBlockingQueue<>();</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> public RemoteProcedureResultReporter(HRegionServer server) {</span> |
| <span class="source-line-no">051</span><span id="line-51"> this.server = server;</span> |
| <span class="source-line-no">052</span><span id="line-52"> }</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> public void complete(long procId, long initiatingMasterActiveTime, Throwable error) {</span> |
| <span class="source-line-no">055</span><span id="line-55"> RemoteProcedureResult.Builder builder = RemoteProcedureResult.newBuilder().setProcId(procId)</span> |
| <span class="source-line-no">056</span><span id="line-56"> .setInitiatingMasterActiveTime(initiatingMasterActiveTime);</span> |
| <span class="source-line-no">057</span><span id="line-57"> if (error != null) {</span> |
| <span class="source-line-no">058</span><span id="line-58"> LOG.debug("Failed to complete execution of pid={}", procId, error);</span> |
| <span class="source-line-no">059</span><span id="line-59"> builder.setStatus(RemoteProcedureResult.Status.ERROR).setError(</span> |
| <span class="source-line-no">060</span><span id="line-60"> ForeignExceptionUtil.toProtoForeignException(server.getServerName().toString(), error));</span> |
| <span class="source-line-no">061</span><span id="line-61"> } else {</span> |
| <span class="source-line-no">062</span><span id="line-62"> LOG.debug("Successfully complete execution of pid={}", procId);</span> |
| <span class="source-line-no">063</span><span id="line-63"> builder.setStatus(RemoteProcedureResult.Status.SUCCESS);</span> |
| <span class="source-line-no">064</span><span id="line-64"> }</span> |
| <span class="source-line-no">065</span><span id="line-65"> results.add(builder.build());</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @Override</span> |
| <span class="source-line-no">069</span><span id="line-69"> public void run() {</span> |
| <span class="source-line-no">070</span><span id="line-70"> ReportProcedureDoneRequest.Builder builder = ReportProcedureDoneRequest.newBuilder();</span> |
| <span class="source-line-no">071</span><span id="line-71"> int tries = 0;</span> |
| <span class="source-line-no">072</span><span id="line-72"> while (!server.isStopped()) {</span> |
| <span class="source-line-no">073</span><span id="line-73"> if (builder.getResultCount() == 0) {</span> |
| <span class="source-line-no">074</span><span id="line-74"> try {</span> |
| <span class="source-line-no">075</span><span id="line-75"> builder.addResult(results.take());</span> |
| <span class="source-line-no">076</span><span id="line-76"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">077</span><span id="line-77"> Thread.currentThread().interrupt();</span> |
| <span class="source-line-no">078</span><span id="line-78"> continue;</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"> while (builder.getResultCount() < MAX_BATCH) {</span> |
| <span class="source-line-no">082</span><span id="line-82"> RemoteProcedureResult result = results.poll();</span> |
| <span class="source-line-no">083</span><span id="line-83"> if (result == null) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> break;</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"> builder.addResult(result);</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"> ReportProcedureDoneRequest request = builder.build();</span> |
| <span class="source-line-no">089</span><span id="line-89"> try {</span> |
| <span class="source-line-no">090</span><span id="line-90"> server.reportProcedureDone(builder.build());</span> |
| <span class="source-line-no">091</span><span id="line-91"> builder.clear();</span> |
| <span class="source-line-no">092</span><span id="line-92"> tries = 0;</span> |
| <span class="source-line-no">093</span><span id="line-93"> } catch (IOException e) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> boolean pause =</span> |
| <span class="source-line-no">095</span><span id="line-95"> e instanceof ServerNotRunningYetException || e instanceof PleaseHoldException;</span> |
| <span class="source-line-no">096</span><span id="line-96"> long pauseTime;</span> |
| <span class="source-line-no">097</span><span id="line-97"> if (pause) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> // Do backoff else we flood the Master with requests.</span> |
| <span class="source-line-no">099</span><span id="line-99"> pauseTime = ConnectionUtils.getPauseTime(server.getRetryPauseTime(), tries);</span> |
| <span class="source-line-no">100</span><span id="line-100"> } else {</span> |
| <span class="source-line-no">101</span><span id="line-101"> pauseTime = server.getRetryPauseTime(); // Reset.</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"> LOG.info("Failed procedure report " + TextFormat.shortDebugString(request) + "; retry (#"</span> |
| <span class="source-line-no">104</span><span id="line-104"> + tries + ")"</span> |
| <span class="source-line-no">105</span><span id="line-105"> + (pause</span> |
| <span class="source-line-no">106</span><span id="line-106"> ? " after " + pauseTime + "ms delay (Master is coming online...)."</span> |
| <span class="source-line-no">107</span><span id="line-107"> : " immediately."),</span> |
| <span class="source-line-no">108</span><span id="line-108"> e);</span> |
| <span class="source-line-no">109</span><span id="line-109"> Threads.sleep(pauseTime);</span> |
| <span class="source-line-no">110</span><span id="line-110"> tries++;</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</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">}</span> |
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