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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;</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.util.Map;</span>
<span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.hbase.executor.ExecutorService;</span>
<span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.executor.ExecutorService.ExecutorStatus;</span>
<span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.regionserver.MetricsRegionServerSource;</span>
<span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceImpl;</span>
<span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.util.Pair;</span>
<span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.metrics2.lib.DynamicMetricsRegistry;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.metrics2.lib.MutableGaugeLong;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.util.StringUtils;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.yetus.audience.InterfaceAudience;</span>
<span class="source-line-no">030</span><span id="line-30">import org.slf4j.Logger;</span>
<span class="source-line-no">031</span><span id="line-31">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">032</span><span id="line-32"></span>
<span class="source-line-no">033</span><span id="line-33">/**</span>
<span class="source-line-no">034</span><span id="line-34"> * The Class ExecutorStatusChore for collect Executor status info periodically and report to metrics</span>
<span class="source-line-no">035</span><span id="line-35"> * system</span>
<span class="source-line-no">036</span><span id="line-36"> */</span>
<span class="source-line-no">037</span><span id="line-37">@InterfaceAudience.Private</span>
<span class="source-line-no">038</span><span id="line-38">public class ExecutorStatusChore extends ScheduledChore {</span>
<span class="source-line-no">039</span><span id="line-39"> private static final Logger LOG = LoggerFactory.getLogger(HealthCheckChore.class);</span>
<span class="source-line-no">040</span><span id="line-40"> public static final String WAKE_FREQ = "hbase.executors.status.collect.period";</span>
<span class="source-line-no">041</span><span id="line-41"> public static final int DEFAULT_WAKE_FREQ = 60000;</span>
<span class="source-line-no">042</span><span id="line-42"> private ExecutorService service;</span>
<span class="source-line-no">043</span><span id="line-43"> private DynamicMetricsRegistry metricsRegistry;</span>
<span class="source-line-no">044</span><span id="line-44"></span>
<span class="source-line-no">045</span><span id="line-45"> public ExecutorStatusChore(int sleepTime, Stoppable stopper, ExecutorService service,</span>
<span class="source-line-no">046</span><span id="line-46"> MetricsRegionServerSource metrics) {</span>
<span class="source-line-no">047</span><span id="line-47"> super("ExecutorStatusChore", stopper, sleepTime);</span>
<span class="source-line-no">048</span><span id="line-48"> LOG.info("ExecutorStatusChore runs every {} ", StringUtils.formatTime(sleepTime));</span>
<span class="source-line-no">049</span><span id="line-49"> this.service = service;</span>
<span class="source-line-no">050</span><span id="line-50"> this.metricsRegistry = ((MetricsRegionServerSourceImpl) metrics).getMetricsRegistry();</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"> @Override</span>
<span class="source-line-no">054</span><span id="line-54"> protected void chore() {</span>
<span class="source-line-no">055</span><span id="line-55"> try {</span>
<span class="source-line-no">056</span><span id="line-56"> // thread pool monitor</span>
<span class="source-line-no">057</span><span id="line-57"> Map&lt;String, ExecutorStatus&gt; statuses = service.getAllExecutorStatuses();</span>
<span class="source-line-no">058</span><span id="line-58"> for (Map.Entry&lt;String, ExecutorStatus&gt; statusEntry : statuses.entrySet()) {</span>
<span class="source-line-no">059</span><span id="line-59"> String name = statusEntry.getKey();</span>
<span class="source-line-no">060</span><span id="line-60"> // Executor's name is generate by ExecutorType#getExecutorName</span>
<span class="source-line-no">061</span><span id="line-61"> // include ExecutorType &amp; Servername(split by '-'), here we only need the ExecutorType</span>
<span class="source-line-no">062</span><span id="line-62"> String poolName = name.split("-")[0];</span>
<span class="source-line-no">063</span><span id="line-63"> ExecutorStatus status = statusEntry.getValue();</span>
<span class="source-line-no">064</span><span id="line-64"> MutableGaugeLong queued = metricsRegistry.getGauge(poolName + "_queued", 0L);</span>
<span class="source-line-no">065</span><span id="line-65"> MutableGaugeLong running = metricsRegistry.getGauge(poolName + "_running", 0L);</span>
<span class="source-line-no">066</span><span id="line-66"> int queueSize = status.getQueuedEvents().size();</span>
<span class="source-line-no">067</span><span id="line-67"> int runningSize = status.getRunning().size();</span>
<span class="source-line-no">068</span><span id="line-68"> if (queueSize &gt; 0) {</span>
<span class="source-line-no">069</span><span id="line-69"> LOG.warn("{}'s size info, queued: {}, running: {}", poolName, queueSize, runningSize);</span>
<span class="source-line-no">070</span><span id="line-70"> }</span>
<span class="source-line-no">071</span><span id="line-71"> queued.set(queueSize);</span>
<span class="source-line-no">072</span><span id="line-72"> running.set(runningSize);</span>
<span class="source-line-no">073</span><span id="line-73"> }</span>
<span class="source-line-no">074</span><span id="line-74"> } catch (Throwable e) {</span>
<span class="source-line-no">075</span><span id="line-75"> LOG.error(e.getMessage(), e);</span>
<span class="source-line-no">076</span><span id="line-76"> }</span>
<span class="source-line-no">077</span><span id="line-77"> }</span>
<span class="source-line-no">078</span><span id="line-78"></span>
<span class="source-line-no">079</span><span id="line-79"> public Pair&lt;Long, Long&gt; getExecutorStatus(String poolName) {</span>
<span class="source-line-no">080</span><span id="line-80"> MutableGaugeLong running = metricsRegistry.getGauge(poolName + "_running", 0L);</span>
<span class="source-line-no">081</span><span id="line-81"> MutableGaugeLong queued = metricsRegistry.getGauge(poolName + "_queued", 0L);</span>
<span class="source-line-no">082</span><span id="line-82"> return new Pair&lt;Long, Long&gt;(running.value(), queued.value());</span>
<span class="source-line-no">083</span><span id="line-83"> }</span>
<span class="source-line-no">084</span><span id="line-84">}</span>
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