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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;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.HConstants;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.util.TimeOffsetEnvironmentEdge;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.junit.Assert;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.junit.ClassRule;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.junit.Test;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.junit.experimental.categories.Category;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span>@Category(SmallTests.class)<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>public class TestDefaultCompactSelection extends TestCompactionPolicy {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> @ClassRule<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> HBaseClassTestRule.forClass(TestDefaultCompactSelection.class);<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> @Override<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> protected void config() {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> super.config();<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> // DON'T change this config since all test cases assume HStore.BLOCKING_STOREFILES_KEY is 10.<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> this.conf.setLong(HStore.BLOCKING_STOREFILES_KEY, 10);<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> }<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> @Test<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public void testCompactionRatio() throws IOException {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> TimeOffsetEnvironmentEdge edge = new TimeOffsetEnvironmentEdge();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> EnvironmentEdgeManager.injectEdge(edge);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> /**<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * NOTE: these tests are specific to describe the implementation of the current compaction<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * algorithm. Developed to ensure that refactoring doesn't implicitly alter this.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> long tooBig = maxSize + 1;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> // default case. preserve user ratio on size<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> compactEquals(sfCreate(100, 50, 23, 12, 12), 23, 12, 12);<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> // less than compact threshold = don't compact<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> compactEquals(sfCreate(100, 50, 25, 12, 12) /* empty */);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> // greater than compact size = skip those<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> compactEquals(sfCreate(tooBig, tooBig, 700, 700, 700), 700, 700, 700);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // big size + threshold<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> compactEquals(sfCreate(tooBig, tooBig, 700, 700) /* empty */);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // small files = don't care about ratio<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> compactEquals(sfCreate(7, 1, 1), 7, 1, 1);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> // don't exceed max file compact threshold<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> // note: file selection starts with largest to smallest.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> compactEquals(sfCreate(7, 6, 5, 4, 3, 2, 1), 5, 4, 3, 2, 1);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> compactEquals(sfCreate(50, 10, 10, 10, 10), 10, 10, 10, 10);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> compactEquals(sfCreate(10, 10, 10, 10, 50), 10, 10, 10, 10);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> compactEquals(sfCreate(251, 253, 251, maxSize - 1), 251, 253, 251);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> compactEquals(sfCreate(maxSize - 1, maxSize - 1, maxSize - 1) /* empty */);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // Always try and compact something to get below blocking storefile count<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> this.conf.setLong("hbase.hstore.compaction.min.size", 1);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> store.storeEngine.getCompactionPolicy().setConf(conf);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> compactEquals(sfCreate(512, 256, 128, 64, 32, 16, 8, 4, 2, 1), 4, 2, 1);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> this.conf.setLong("hbase.hstore.compaction.min.size", minSize);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> store.storeEngine.getCompactionPolicy().setConf(conf);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> /* MAJOR COMPACTION */<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> // if a major compaction has been forced, then compact everything<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> compactEquals(sfCreate(50, 25, 12, 12), true, 50, 25, 12, 12);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // also choose files < threshold on major compaction<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> compactEquals(sfCreate(12, 12), true, 12, 12);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> // even if one of those files is too big<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> compactEquals(sfCreate(tooBig, 12, 12), true, tooBig, 12, 12);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> // don't exceed max file compact threshold, even with major compaction<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> store.forceMajor = true;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> compactEquals(sfCreate(7, 6, 5, 4, 3, 2, 1), 5, 4, 3, 2, 1);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> store.forceMajor = false;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> // if we exceed maxCompactSize, downgrade to minor<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> // if not, it creates a 'snowball effect' when files >> maxCompactSize:<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> // the last file in compaction is the aggregate of all previous compactions<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> compactEquals(sfCreate(100, 50, 23, 12, 12), true, 23, 12, 12);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> conf.setLong(HConstants.MAJOR_COMPACTION_PERIOD, 1);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> conf.setFloat("hbase.hregion.majorcompaction.jitter", 0);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> store.storeEngine.getCompactionPolicy().setConf(conf);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> try {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // The modTime of the mocked store file is the current time, so we need to increase the<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> // timestamp a bit to make sure that now - lowestModTime is greater than major compaction<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> // period(1ms).<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> // trigger an aged major compaction<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> List<HStoreFile> candidates = sfCreate(50, 25, 12, 12);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> edge.increment(2);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> compactEquals(candidates, 50, 25, 12, 12);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> // major sure exceeding maxCompactSize also downgrades aged minors<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> candidates = sfCreate(100, 50, 23, 12, 12);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> edge.increment(2);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> compactEquals(candidates, 23, 12, 12);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> } finally {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> conf.setLong(HConstants.MAJOR_COMPACTION_PERIOD, 1000 * 60 * 60 * 24);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> conf.setFloat("hbase.hregion.majorcompaction.jitter", 0.20F);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> /* REFERENCES == file is from a region that was split */<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // treat storefiles that have references like a major compaction<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> compactEquals(sfCreate(true, 100, 50, 25, 12, 12), 100, 50, 25, 12, 12);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> // reference files shouldn't obey max threshold<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> compactEquals(sfCreate(true, tooBig, 12, 12), tooBig, 12, 12);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> // reference files should obey max file compact to avoid OOM<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> compactEquals(sfCreate(true, 7, 6, 5, 4, 3, 2, 1), 7, 6, 5, 4, 3);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> // empty case<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> compactEquals(new ArrayList<>() /* empty */);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> // empty case (because all files are too big)<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> compactEquals(sfCreate(tooBig, tooBig) /* empty */);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> @Test<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public void testOffPeakCompactionRatio() throws IOException {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> /*<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> * NOTE: these tests are specific to describe the implementation of the current compaction<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * algorithm. Developed to ensure that refactoring doesn't implicitly alter this.<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> */<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> // set an off-peak compaction threshold<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> this.conf.setFloat("hbase.hstore.compaction.ratio.offpeak", 5.0F);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> store.storeEngine.getCompactionPolicy().setConf(this.conf);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> // Test with and without the flag.<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> compactEquals(sfCreate(999, 50, 12, 12, 1), false, true, 50, 12, 12, 1);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> compactEquals(sfCreate(999, 50, 12, 12, 1), 12, 12, 1);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> @Test<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> public void testStuckStoreCompaction() throws IOException {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> // Select the smallest compaction if the store is stuck.<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> compactEquals(sfCreate(99, 99, 99, 99, 99, 99, 30, 30, 30, 30), 30, 30, 30);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> // If not stuck, standard policy applies.<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> compactEquals(sfCreate(99, 99, 99, 99, 99, 30, 30, 30, 30), 99, 30, 30, 30, 30);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> // Add sufficiently small files to compaction, though<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> compactEquals(sfCreate(99, 99, 99, 99, 99, 99, 30, 30, 30, 15), 30, 30, 30, 15);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // Prefer earlier compaction to latter if the benefit is not significant<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> compactEquals(sfCreate(99, 99, 99, 99, 30, 26, 26, 29, 25, 25), 30, 26, 26);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> // Prefer later compaction if the benefit is significant.<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> compactEquals(sfCreate(99, 99, 99, 99, 27, 27, 27, 20, 20, 20), 20, 20, 20);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> @Test<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> public void testCompactionEmptyHFile() throws IOException {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // Set TTL<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> ScanInfo oldScanInfo = store.getScanInfo();<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> ScanInfo newScanInfo =<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> oldScanInfo.customize(oldScanInfo.getMaxVersions(), 600, oldScanInfo.getKeepDeletedCells());<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> store.setScanInfo(newScanInfo);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // Do not compact empty store file<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> List<HStoreFile> candidates = sfCreate(0);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> for (HStoreFile file : candidates) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> if (file instanceof MockHStoreFile) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> MockHStoreFile mockFile = (MockHStoreFile) file;<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> mockFile.setTimeRangeTracker(TimeRangeTracker.create(TimeRangeTracker.Type.SYNC, -1, -1));<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> mockFile.setEntries(0);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> // Test Default compactions<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> CompactionRequestImpl result =<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> ((RatioBasedCompactionPolicy) store.storeEngine.getCompactionPolicy())<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> .selectCompaction(candidates, new ArrayList<>(), false, false, false);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> Assert.assertTrue(result.getFiles().isEmpty());<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> store.setScanInfo(oldScanInfo);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span>}<a name="line.190"></a> |
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