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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.regionserver.wal;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.mockito.Mockito.mock;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.mockito.Mockito.times;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.mockito.Mockito.verify;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.concurrent.CountDownLatch;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.TimeUnit;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.TableName;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.wal.WALKey;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.wal.WALKeyImpl;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.metrics2.lib.DynamicMetricsRegistry;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.ClassRule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.Test;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.junit.experimental.categories.Category;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>@Category({MiscTests.class, SmallTests.class})<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public class TestMetricsWAL {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> @ClassRule<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> HBaseClassTestRule.forClass(TestMetricsWAL.class);<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> @Test<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> public void testLogRollRequested() throws Exception {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> MetricsWALSource source = mock(MetricsWALSourceImpl.class);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> MetricsWAL metricsWAL = new MetricsWAL(source);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> metricsWAL.logRollRequested(WALActionsListener.RollRequestReason.ERROR);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> metricsWAL.logRollRequested(WALActionsListener.RollRequestReason.LOW_REPLICATION);<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> metricsWAL.logRollRequested(WALActionsListener.RollRequestReason.SLOW_SYNC);<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> metricsWAL.logRollRequested(WALActionsListener.RollRequestReason.SIZE);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> // Log roll was requested four times<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> verify(source, times(4)).incrementLogRollRequested();<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> // One was because of an IO error.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> verify(source, times(1)).incrementErrorLogRoll();<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> // One was because of low replication on the hlog.<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> verify(source, times(1)).incrementLowReplicationLogRoll();<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> // One was because of slow sync on the hlog.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> verify(source, times(1)).incrementSlowSyncLogRoll();<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> // One was because of hlog file length limit.<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> verify(source, times(1)).incrementSizeLogRoll();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @Test<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public void testPostSync() throws Exception {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> long nanos = TimeUnit.MILLISECONDS.toNanos(145);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> MetricsWALSource source = mock(MetricsWALSourceImpl.class);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> MetricsWAL metricsWAL = new MetricsWAL(source);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> metricsWAL.postSync(nanos, 1);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> verify(source, times(1)).incrementSyncTime(145);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> }<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> @Test<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> public void testSlowAppend() throws Exception {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> MetricsWALSource source = new MetricsWALSourceImpl();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> MetricsWAL metricsWAL = new MetricsWAL(source);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> TableName tableName = TableName.valueOf("foo");<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> WALKey walKey = new WALKeyImpl(null, tableName, -1);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> // One not so slow append (< 1000)<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> metricsWAL.postAppend(1, 900, walKey, null);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> // Two slow appends (> 1000)<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> metricsWAL.postAppend(1, 1010, walKey, null);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> metricsWAL.postAppend(1, 2000, walKey, null);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> assertEquals(2, source.getSlowAppendCount());<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @Test<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public void testWalWrittenInBytes() throws Exception {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> MetricsWALSource source = mock(MetricsWALSourceImpl.class);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> MetricsWAL metricsWAL = new MetricsWAL(source);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> TableName tableName = TableName.valueOf("foo");<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> WALKey walKey = new WALKeyImpl(null, tableName, -1);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> metricsWAL.postAppend(100, 900, walKey, null);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> metricsWAL.postAppend(200, 2000, walKey, null);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> verify(source, times(1)).incrementWrittenBytes(100);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> verify(source, times(1)).incrementWrittenBytes(200);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> @Test<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> public void testPerTableWALMetrics() throws Exception {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> MetricsWALSourceImpl source = new MetricsWALSourceImpl("foo", "foo", "foo", "foo");<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> final int numThreads = 10;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> final int numIters = 10;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> CountDownLatch latch = new CountDownLatch(numThreads);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> for (int i = 0; i < numThreads; i++) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> final TableName tableName = TableName.valueOf("tab_" + i);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> long size = i;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> new Thread(() -> {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> for (int j = 0; j < numIters; j++) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> source.incrementAppendCount(tableName);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> source.incrementAppendSize(tableName, size);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> latch.countDown();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }).start();<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> // Wait for threads to finish.<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> latch.await();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> DynamicMetricsRegistry registry = source.getMetricsRegistry();<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> // Validate the metrics<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> for (int i = 0; i < numThreads; i++) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> TableName tableName = TableName.valueOf("tab_" + i);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> long tableAppendCount =<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> registry.getCounter(tableName + "." + MetricsWALSource.APPEND_COUNT, -1).value();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> assertEquals(numIters, tableAppendCount);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> long tableAppendSize =<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> registry.getCounter(tableName + "." + MetricsWALSource.APPEND_SIZE, -1).value();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> assertEquals(i * numIters, tableAppendSize);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span>}<a name="line.132"></a> |
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| </pre> |
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