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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;</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 org.apache.hadoop.hbase.metrics.BaseSourceImpl;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.hbase.metrics.Interns;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.metrics.OperationMetrics;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.util.PairOfSameType;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.metrics2.MetricsCollector;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.metrics2.MetricsRecordBuilder;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.metrics2.lib.MutableFastCounter;</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"></span> |
| <span class="source-line-no">029</span><span id="line-29">/**</span> |
| <span class="source-line-no">030</span><span id="line-30"> * Hadoop2 implementation of MetricsMasterSource. Implements BaseSource through BaseSourceImpl,</span> |
| <span class="source-line-no">031</span><span id="line-31"> * following the pattern</span> |
| <span class="source-line-no">032</span><span id="line-32"> */</span> |
| <span class="source-line-no">033</span><span id="line-33">@InterfaceAudience.Private</span> |
| <span class="source-line-no">034</span><span id="line-34">public class MetricsMasterSourceImpl extends BaseSourceImpl implements MetricsMasterSource {</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> private final MetricsMasterWrapper masterWrapper;</span> |
| <span class="source-line-no">037</span><span id="line-37"> private MutableFastCounter clusterRequestsCounter;</span> |
| <span class="source-line-no">038</span><span id="line-38"> private MutableFastCounter clusterReadRequestsCounter;</span> |
| <span class="source-line-no">039</span><span id="line-39"> private MutableFastCounter clusterWriteRequestsCounter;</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41"> private OperationMetrics serverCrashMetrics;</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43"> public MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper) {</span> |
| <span class="source-line-no">044</span><span id="line-44"> this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT, masterWrapper);</span> |
| <span class="source-line-no">045</span><span id="line-45"> }</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> public MetricsMasterSourceImpl(String metricsName, String metricsDescription,</span> |
| <span class="source-line-no">048</span><span id="line-48"> String metricsContext, String metricsJmxContext, MetricsMasterWrapper masterWrapper) {</span> |
| <span class="source-line-no">049</span><span id="line-49"> super(metricsName, metricsDescription, metricsContext, metricsJmxContext);</span> |
| <span class="source-line-no">050</span><span id="line-50"> this.masterWrapper = masterWrapper;</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"></span> |
| <span class="source-line-no">054</span><span id="line-54"> @Override</span> |
| <span class="source-line-no">055</span><span id="line-55"> public void init() {</span> |
| <span class="source-line-no">056</span><span id="line-56"> super.init();</span> |
| <span class="source-line-no">057</span><span id="line-57"> clusterRequestsCounter = metricsRegistry.newCounter(CLUSTER_REQUESTS_NAME, "", 0L);</span> |
| <span class="source-line-no">058</span><span id="line-58"> clusterReadRequestsCounter = metricsRegistry.newCounter(CLUSTER_READ_REQUESTS_NAME, "", 0L);</span> |
| <span class="source-line-no">059</span><span id="line-59"> clusterWriteRequestsCounter = metricsRegistry.newCounter(CLUSTER_WRITE_REQUESTS_NAME, "", 0L);</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> /*</span> |
| <span class="source-line-no">062</span><span id="line-62"> * NOTE: Please refer to HBASE-9774 and HBASE-14282. Based on these two issues, HBase is moving</span> |
| <span class="source-line-no">063</span><span id="line-63"> * away from using Hadoop's metric2 to having independent HBase specific Metrics. Use {@link</span> |
| <span class="source-line-no">064</span><span id="line-64"> * BaseSourceImpl#registry} to register the new metrics.</span> |
| <span class="source-line-no">065</span><span id="line-65"> */</span> |
| <span class="source-line-no">066</span><span id="line-66"> serverCrashMetrics = new OperationMetrics(registry, SERVER_CRASH_METRIC_PREFIX);</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @Override</span> |
| <span class="source-line-no">070</span><span id="line-70"> public void incRequests(final long inc) {</span> |
| <span class="source-line-no">071</span><span id="line-71"> this.clusterRequestsCounter.incr(inc);</span> |
| <span class="source-line-no">072</span><span id="line-72"> }</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> @Override</span> |
| <span class="source-line-no">075</span><span id="line-75"> public void incReadRequests(final long inc) {</span> |
| <span class="source-line-no">076</span><span id="line-76"> this.clusterReadRequestsCounter.incr(inc);</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"> @Override</span> |
| <span class="source-line-no">080</span><span id="line-80"> public void incWriteRequests(final long inc) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> this.clusterWriteRequestsCounter.incr(inc);</span> |
| <span class="source-line-no">082</span><span id="line-82"> }</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> @Override</span> |
| <span class="source-line-no">085</span><span id="line-85"> public void getMetrics(MetricsCollector metricsCollector, boolean all) {</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> MetricsRecordBuilder metricsRecordBuilder = metricsCollector.addRecord(metricsName);</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> // masterWrapper can be null because this function is called inside of init.</span> |
| <span class="source-line-no">090</span><span id="line-90"> // If the master is already stopped or has initiated a shutdown, no point in registering the</span> |
| <span class="source-line-no">091</span><span id="line-91"> // metrics again.</span> |
| <span class="source-line-no">092</span><span id="line-92"> if (masterWrapper != null && masterWrapper.isRunning()) {</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> // Pair<online region number, offline region number></span> |
| <span class="source-line-no">095</span><span id="line-95"> PairOfSameType<Integer> regionNumberPair = masterWrapper.getRegionCounts();</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> metricsRecordBuilder</span> |
| <span class="source-line-no">098</span><span id="line-98"> .addGauge(Interns.info(MERGE_PLAN_COUNT_NAME, MERGE_PLAN_COUNT_DESC),</span> |
| <span class="source-line-no">099</span><span id="line-99"> masterWrapper.getMergePlanCount())</span> |
| <span class="source-line-no">100</span><span id="line-100"> .addGauge(Interns.info(SPLIT_PLAN_COUNT_NAME, SPLIT_PLAN_COUNT_DESC),</span> |
| <span class="source-line-no">101</span><span id="line-101"> masterWrapper.getSplitPlanCount())</span> |
| <span class="source-line-no">102</span><span id="line-102"> .addGauge(Interns.info(MASTER_ACTIVE_TIME_NAME, MASTER_ACTIVE_TIME_DESC),</span> |
| <span class="source-line-no">103</span><span id="line-103"> masterWrapper.getActiveTime())</span> |
| <span class="source-line-no">104</span><span id="line-104"> .addGauge(Interns.info(MASTER_START_TIME_NAME, MASTER_START_TIME_DESC),</span> |
| <span class="source-line-no">105</span><span id="line-105"> masterWrapper.getStartTime())</span> |
| <span class="source-line-no">106</span><span id="line-106"> .addGauge(Interns.info(MASTER_FINISHED_INITIALIZATION_TIME_NAME,</span> |
| <span class="source-line-no">107</span><span id="line-107"> MASTER_FINISHED_INITIALIZATION_TIME_DESC), masterWrapper.getMasterInitializationTime())</span> |
| <span class="source-line-no">108</span><span id="line-108"> .addGauge(Interns.info(AVERAGE_LOAD_NAME, AVERAGE_LOAD_DESC),</span> |
| <span class="source-line-no">109</span><span id="line-109"> masterWrapper.getAverageLoad())</span> |
| <span class="source-line-no">110</span><span id="line-110"> .addGauge(Interns.info(ONLINE_REGION_COUNT_NAME, ONLINE_REGION_COUNT_DESC),</span> |
| <span class="source-line-no">111</span><span id="line-111"> regionNumberPair.getFirst())</span> |
| <span class="source-line-no">112</span><span id="line-112"> .addGauge(Interns.info(OFFLINE_REGION_COUNT_NAME, OFFLINE_REGION_COUNT_DESC),</span> |
| <span class="source-line-no">113</span><span id="line-113"> regionNumberPair.getSecond())</span> |
| <span class="source-line-no">114</span><span id="line-114"> .tag(Interns.info(LIVE_REGION_SERVERS_NAME, LIVE_REGION_SERVERS_DESC),</span> |
| <span class="source-line-no">115</span><span id="line-115"> masterWrapper.getRegionServers())</span> |
| <span class="source-line-no">116</span><span id="line-116"> .addGauge(Interns.info(NUM_REGION_SERVERS_NAME, NUMBER_OF_REGION_SERVERS_DESC),</span> |
| <span class="source-line-no">117</span><span id="line-117"> masterWrapper.getNumRegionServers())</span> |
| <span class="source-line-no">118</span><span id="line-118"> .tag(Interns.info(DEAD_REGION_SERVERS_NAME, DEAD_REGION_SERVERS_DESC),</span> |
| <span class="source-line-no">119</span><span id="line-119"> masterWrapper.getDeadRegionServers())</span> |
| <span class="source-line-no">120</span><span id="line-120"> .addGauge(Interns.info(NUM_DEAD_REGION_SERVERS_NAME, NUMBER_OF_DEAD_REGION_SERVERS_DESC),</span> |
| <span class="source-line-no">121</span><span id="line-121"> masterWrapper.getNumDeadRegionServers())</span> |
| <span class="source-line-no">122</span><span id="line-122"> .tag(Interns.info(DRAINING_REGION_SERVER_NAME, DRAINING_REGION_SERVER_DESC),</span> |
| <span class="source-line-no">123</span><span id="line-123"> masterWrapper.getDrainingRegionServers())</span> |
| <span class="source-line-no">124</span><span id="line-124"> .addGauge(</span> |
| <span class="source-line-no">125</span><span id="line-125"> Interns.info(NUM_DRAINING_REGION_SERVERS_NAME, NUMBER_OF_DRAINING_REGION_SERVERS_DESC),</span> |
| <span class="source-line-no">126</span><span id="line-126"> masterWrapper.getNumDrainingRegionServers())</span> |
| <span class="source-line-no">127</span><span id="line-127"> .tag(Interns.info(ZOOKEEPER_QUORUM_NAME, ZOOKEEPER_QUORUM_DESC),</span> |
| <span class="source-line-no">128</span><span id="line-128"> masterWrapper.getZookeeperQuorum())</span> |
| <span class="source-line-no">129</span><span id="line-129"> .tag(Interns.info(SERVER_NAME_NAME, SERVER_NAME_DESC), masterWrapper.getServerName())</span> |
| <span class="source-line-no">130</span><span id="line-130"> .tag(Interns.info(CLUSTER_ID_NAME, CLUSTER_ID_DESC), masterWrapper.getClusterId())</span> |
| <span class="source-line-no">131</span><span id="line-131"> .tag(Interns.info(IS_ACTIVE_MASTER_NAME, IS_ACTIVE_MASTER_DESC),</span> |
| <span class="source-line-no">132</span><span id="line-132"> String.valueOf(masterWrapper.getIsActiveMaster()))</span> |
| <span class="source-line-no">133</span><span id="line-133"> .addGauge(Interns.info(OLD_WAL_DIR_SIZE_NAME, OLD_WAL_DIR_SIZE_DESC),</span> |
| <span class="source-line-no">134</span><span id="line-134"> masterWrapper.getOldWALsDirSize());</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"> metricsRegistry.snapshot(metricsRecordBuilder, all);</span> |
| <span class="source-line-no">138</span><span id="line-138"> if (metricsAdapter != null) {</span> |
| <span class="source-line-no">139</span><span id="line-139"> metricsAdapter.snapshotAllMetrics(registry, metricsRecordBuilder);</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</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 OperationMetrics getServerCrashMetrics() {</span> |
| <span class="source-line-no">145</span><span id="line-145"> return serverCrashMetrics;</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> |
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| </pre> |
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