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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 java.util.Map;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.Map.Entry;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.metrics.BaseSourceImpl;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.metrics2.MetricHistogram;</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.Interns;</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.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">029</span><span id="line-29"></span> |
| <span class="source-line-no">030</span><span id="line-30">/**</span> |
| <span class="source-line-no">031</span><span id="line-31"> * Implementation of {@link MetricsMasterQuotaSource} which writes the values passed in via the</span> |
| <span class="source-line-no">032</span><span id="line-32"> * interface to the metrics backend.</span> |
| <span class="source-line-no">033</span><span id="line-33"> */</span> |
| <span class="source-line-no">034</span><span id="line-34">@InterfaceAudience.Private</span> |
| <span class="source-line-no">035</span><span id="line-35">public class MetricsMasterQuotaSourceImpl extends BaseSourceImpl</span> |
| <span class="source-line-no">036</span><span id="line-36"> implements MetricsMasterQuotaSource {</span> |
| <span class="source-line-no">037</span><span id="line-37"> private final MetricsMasterWrapper wrapper;</span> |
| <span class="source-line-no">038</span><span id="line-38"> private final MutableGaugeLong spaceQuotasGauge;</span> |
| <span class="source-line-no">039</span><span id="line-39"> private final MutableGaugeLong tablesViolatingQuotasGauge;</span> |
| <span class="source-line-no">040</span><span id="line-40"> private final MutableGaugeLong namespacesViolatingQuotasGauge;</span> |
| <span class="source-line-no">041</span><span id="line-41"> private final MutableGaugeLong regionSpaceReportsGauge;</span> |
| <span class="source-line-no">042</span><span id="line-42"> private final MetricHistogram quotaObserverTimeHisto;</span> |
| <span class="source-line-no">043</span><span id="line-43"> private final MetricHistogram snapshotObserverTimeHisto;</span> |
| <span class="source-line-no">044</span><span id="line-44"> private final MetricHistogram snapshotObserverSizeComputationTimeHisto;</span> |
| <span class="source-line-no">045</span><span id="line-45"> private final MetricHistogram snapshotObserverSnapshotFetchTimeHisto;</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 MetricsMasterQuotaSourceImpl(MetricsMasterWrapper wrapper) {</span> |
| <span class="source-line-no">048</span><span id="line-48"> this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT, wrapper);</span> |
| <span class="source-line-no">049</span><span id="line-49"> }</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> public MetricsMasterQuotaSourceImpl(String metricsName, String metricsDescription,</span> |
| <span class="source-line-no">052</span><span id="line-52"> String metricsContext, String metricsJmxContext, MetricsMasterWrapper wrapper) {</span> |
| <span class="source-line-no">053</span><span id="line-53"> super(metricsName, metricsDescription, metricsContext, metricsJmxContext);</span> |
| <span class="source-line-no">054</span><span id="line-54"> this.wrapper = wrapper;</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> spaceQuotasGauge =</span> |
| <span class="source-line-no">057</span><span id="line-57"> getMetricsRegistry().newGauge(NUM_SPACE_QUOTAS_NAME, NUM_SPACE_QUOTAS_DESC, 0L);</span> |
| <span class="source-line-no">058</span><span id="line-58"> tablesViolatingQuotasGauge = getMetricsRegistry().newGauge(NUM_TABLES_QUOTA_VIOLATIONS_NAME,</span> |
| <span class="source-line-no">059</span><span id="line-59"> NUM_TABLES_QUOTA_VIOLATIONS_DESC, 0L);</span> |
| <span class="source-line-no">060</span><span id="line-60"> namespacesViolatingQuotasGauge =</span> |
| <span class="source-line-no">061</span><span id="line-61"> getMetricsRegistry().newGauge(NUM_NS_QUOTA_VIOLATIONS_NAME, NUM_NS_QUOTA_VIOLATIONS_DESC, 0L);</span> |
| <span class="source-line-no">062</span><span id="line-62"> regionSpaceReportsGauge =</span> |
| <span class="source-line-no">063</span><span id="line-63"> getMetricsRegistry().newGauge(NUM_REGION_SIZE_REPORTS_NAME, NUM_REGION_SIZE_REPORTS_DESC, 0L);</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> quotaObserverTimeHisto = getMetricsRegistry().newTimeHistogram(QUOTA_OBSERVER_CHORE_TIME_NAME,</span> |
| <span class="source-line-no">066</span><span id="line-66"> QUOTA_OBSERVER_CHORE_TIME_DESC);</span> |
| <span class="source-line-no">067</span><span id="line-67"> snapshotObserverTimeHisto = getMetricsRegistry()</span> |
| <span class="source-line-no">068</span><span id="line-68"> .newTimeHistogram(SNAPSHOT_OBSERVER_CHORE_TIME_NAME, SNAPSHOT_OBSERVER_CHORE_TIME_DESC);</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> snapshotObserverSizeComputationTimeHisto = getMetricsRegistry().newTimeHistogram(</span> |
| <span class="source-line-no">071</span><span id="line-71"> SNAPSHOT_OBSERVER_SIZE_COMPUTATION_TIME_NAME, SNAPSHOT_OBSERVER_SIZE_COMPUTATION_TIME_DESC);</span> |
| <span class="source-line-no">072</span><span id="line-72"> snapshotObserverSnapshotFetchTimeHisto = getMetricsRegistry()</span> |
| <span class="source-line-no">073</span><span id="line-73"> .newTimeHistogram(SNAPSHOT_OBSERVER_FETCH_TIME_NAME, SNAPSHOT_OBSERVER_FETCH_TIME_DESC);</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Override</span> |
| <span class="source-line-no">077</span><span id="line-77"> public void updateNumSpaceQuotas(long numSpaceQuotas) {</span> |
| <span class="source-line-no">078</span><span id="line-78"> spaceQuotasGauge.set(numSpaceQuotas);</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"> @Override</span> |
| <span class="source-line-no">082</span><span id="line-82"> public void updateNumTablesInSpaceQuotaViolation(long numTablesInViolation) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> tablesViolatingQuotasGauge.set(numTablesInViolation);</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> @Override</span> |
| <span class="source-line-no">087</span><span id="line-87"> public void updateNumNamespacesInSpaceQuotaViolation(long numNamespacesInViolation) {</span> |
| <span class="source-line-no">088</span><span id="line-88"> namespacesViolatingQuotasGauge.set(numNamespacesInViolation);</span> |
| <span class="source-line-no">089</span><span id="line-89"> }</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> @Override</span> |
| <span class="source-line-no">092</span><span id="line-92"> public void updateNumCurrentSpaceQuotaRegionSizeReports(long numCurrentRegionSizeReports) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> regionSpaceReportsGauge.set(numCurrentRegionSizeReports);</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> @Override</span> |
| <span class="source-line-no">097</span><span id="line-97"> public void incrementSpaceQuotaObserverChoreTime(long time) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> quotaObserverTimeHisto.add(time);</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> @Override</span> |
| <span class="source-line-no">102</span><span id="line-102"> public void incrementSnapshotObserverChoreTime(long time) {</span> |
| <span class="source-line-no">103</span><span id="line-103"> snapshotObserverTimeHisto.add(time);</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"> @Override</span> |
| <span class="source-line-no">107</span><span id="line-107"> public void getMetrics(MetricsCollector metricsCollector, boolean all) {</span> |
| <span class="source-line-no">108</span><span id="line-108"> MetricsRecordBuilder record = metricsCollector.addRecord(metricsRegistry.info());</span> |
| <span class="source-line-no">109</span><span id="line-109"> if (wrapper != null) {</span> |
| <span class="source-line-no">110</span><span id="line-110"> // Summarize the tables</span> |
| <span class="source-line-no">111</span><span id="line-111"> Map<String, Entry<Long, Long>> tableUsages = wrapper.getTableSpaceUtilization();</span> |
| <span class="source-line-no">112</span><span id="line-112"> String tableSummary = "[]";</span> |
| <span class="source-line-no">113</span><span id="line-113"> if (tableUsages != null && !tableUsages.isEmpty()) {</span> |
| <span class="source-line-no">114</span><span id="line-114"> tableSummary = generateJsonQuotaSummary(tableUsages.entrySet(), "table");</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"> record.tag(Interns.info(TABLE_QUOTA_USAGE_NAME, TABLE_QUOTA_USAGE_DESC), tableSummary);</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> // Summarize the namespaces</span> |
| <span class="source-line-no">119</span><span id="line-119"> String nsSummary = "[]";</span> |
| <span class="source-line-no">120</span><span id="line-120"> Map<String, Entry<Long, Long>> namespaceUsages = wrapper.getNamespaceSpaceUtilization();</span> |
| <span class="source-line-no">121</span><span id="line-121"> if (namespaceUsages != null && !namespaceUsages.isEmpty()) {</span> |
| <span class="source-line-no">122</span><span id="line-122"> nsSummary = generateJsonQuotaSummary(namespaceUsages.entrySet(), "namespace");</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"> record.tag(Interns.info(NS_QUOTA_USAGE_NAME, NS_QUOTA_USAGE_DESC), nsSummary);</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"> metricsRegistry.snapshot(record, all);</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> /**</span> |
| <span class="source-line-no">130</span><span id="line-130"> * Summarizes the usage and limit for many targets (table or namespace) into JSON.</span> |
| <span class="source-line-no">131</span><span id="line-131"> */</span> |
| <span class="source-line-no">132</span><span id="line-132"> private String generateJsonQuotaSummary(Iterable<Entry<String, Entry<Long, Long>>> data,</span> |
| <span class="source-line-no">133</span><span id="line-133"> String target) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> StringBuilder sb = new StringBuilder();</span> |
| <span class="source-line-no">135</span><span id="line-135"> for (Entry<String, Entry<Long, Long>> tableUsage : data) {</span> |
| <span class="source-line-no">136</span><span id="line-136"> String tableName = tableUsage.getKey();</span> |
| <span class="source-line-no">137</span><span id="line-137"> long usage = tableUsage.getValue().getKey();</span> |
| <span class="source-line-no">138</span><span id="line-138"> long limit = tableUsage.getValue().getValue();</span> |
| <span class="source-line-no">139</span><span id="line-139"> if (sb.length() > 0) {</span> |
| <span class="source-line-no">140</span><span id="line-140"> sb.append(", ");</span> |
| <span class="source-line-no">141</span><span id="line-141"> }</span> |
| <span class="source-line-no">142</span><span id="line-142"> sb.append("{").append(target).append("=").append(tableName).append(", usage=").append(usage)</span> |
| <span class="source-line-no">143</span><span id="line-143"> .append(", limit=").append(limit).append("}");</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"> sb.insert(0, "[").append("]");</span> |
| <span class="source-line-no">146</span><span id="line-146"> return sb.toString();</span> |
| <span class="source-line-no">147</span><span id="line-147"> }</span> |
| <span class="source-line-no">148</span><span id="line-148"></span> |
| <span class="source-line-no">149</span><span id="line-149"> @Override</span> |
| <span class="source-line-no">150</span><span id="line-150"> public void incrementSnapshotObserverSnapshotComputationTime(long time) {</span> |
| <span class="source-line-no">151</span><span id="line-151"> snapshotObserverSizeComputationTimeHisto.add(time);</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"> @Override</span> |
| <span class="source-line-no">155</span><span id="line-155"> public void incrementSnapshotObserverSnapshotFetchTime(long time) {</span> |
| <span class="source-line-no">156</span><span id="line-156"> snapshotObserverSnapshotFetchTimeHisto.add(time);</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158">}</span> |
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| </div> |
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