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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.regionserver;</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 static org.apache.hadoop.hbase.regionserver.DefaultStoreEngine.DEFAULT_COMPACTOR_CLASS_KEY;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.atomic.AtomicBoolean;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.KeyValue.KeyOnlyKeyValue;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.io.ByteBuffAllocator;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.io.hfile.HFileWriterImpl;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequestImpl;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.AfterClass;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.junit.Assert;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.junit.ClassRule;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.Rule;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.Test;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.rules.TestName;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">@Category({ RegionServerTests.class, MediumTests.class })</span> |
| <span class="source-line-no">052</span><span id="line-52">public class TestCompactorMemLeak {</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">055</span><span id="line-55"> private static final Configuration CONF = UTIL.getConfiguration();</span> |
| <span class="source-line-no">056</span><span id="line-56"> private static final AtomicBoolean IS_LAST_CELL_ON_HEAP = new AtomicBoolean(false);</span> |
| <span class="source-line-no">057</span><span id="line-57"> private static final byte[] FAMILY = Bytes.toBytes("f");</span> |
| <span class="source-line-no">058</span><span id="line-58"> private static final byte[] QUALIFIER = Bytes.toBytes("q");</span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final byte[] VALUE = Bytes.toBytes("value");</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> @Rule</span> |
| <span class="source-line-no">062</span><span id="line-62"> public TestName name = new TestName();</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> @ClassRule</span> |
| <span class="source-line-no">065</span><span id="line-65"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">066</span><span id="line-66"> HBaseClassTestRule.forClass(TestCompactorMemLeak.class);</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @BeforeClass</span> |
| <span class="source-line-no">069</span><span id="line-69"> public static void setUp() throws Exception {</span> |
| <span class="source-line-no">070</span><span id="line-70"> IS_LAST_CELL_ON_HEAP.set(false);</span> |
| <span class="source-line-no">071</span><span id="line-71"> // Must use the ByteBuffAllocator here</span> |
| <span class="source-line-no">072</span><span id="line-72"> CONF.setBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY, true);</span> |
| <span class="source-line-no">073</span><span id="line-73"> // Must use OFF-HEAP BucketCache here.</span> |
| <span class="source-line-no">074</span><span id="line-74"> CONF.setFloat(HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, 0.1f);</span> |
| <span class="source-line-no">075</span><span id="line-75"> CONF.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "offheap");</span> |
| <span class="source-line-no">076</span><span id="line-76"> // 32MB for BucketCache.</span> |
| <span class="source-line-no">077</span><span id="line-77"> CONF.setFloat(HConstants.BUCKET_CACHE_SIZE_KEY, 32);</span> |
| <span class="source-line-no">078</span><span id="line-78"> // Use the MyCompactor</span> |
| <span class="source-line-no">079</span><span id="line-79"> CONF.set(DEFAULT_COMPACTOR_CLASS_KEY, MyCompactor.class.getName());</span> |
| <span class="source-line-no">080</span><span id="line-80"> UTIL.startMiniCluster();</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> @AfterClass</span> |
| <span class="source-line-no">084</span><span id="line-84"> public static void tearDown() throws Exception {</span> |
| <span class="source-line-no">085</span><span id="line-85"> IS_LAST_CELL_ON_HEAP.set(false);</span> |
| <span class="source-line-no">086</span><span id="line-86"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> private void assertMajorCompactionOK(TableName tableName) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> List<HRegion> regions = UTIL.getHBaseCluster().getRegionServerThreads().get(0).getRegionServer()</span> |
| <span class="source-line-no">091</span><span id="line-91"> .getRegions(tableName);</span> |
| <span class="source-line-no">092</span><span id="line-92"> Assert.assertEquals(regions.size(), 1);</span> |
| <span class="source-line-no">093</span><span id="line-93"> HRegion region = regions.get(0);</span> |
| <span class="source-line-no">094</span><span id="line-94"> Assert.assertEquals(region.getStores().size(), 1);</span> |
| <span class="source-line-no">095</span><span id="line-95"> HStore store = region.getStore(FAMILY);</span> |
| <span class="source-line-no">096</span><span id="line-96"> Assert.assertEquals(store.getStorefilesCount(), 1);</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> @Test</span> |
| <span class="source-line-no">100</span><span id="line-100"> public void testMemLeak() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">101</span><span id="line-101"> TableName tableName = TableName.valueOf(name.getMethodName());</span> |
| <span class="source-line-no">102</span><span id="line-102"> Table table = UTIL.createTable(tableName, FAMILY);</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> // Put and Flush #1</span> |
| <span class="source-line-no">105</span><span id="line-105"> Put put = new Put(Bytes.toBytes("row1")).addColumn(FAMILY, QUALIFIER, VALUE);</span> |
| <span class="source-line-no">106</span><span id="line-106"> table.put(put);</span> |
| <span class="source-line-no">107</span><span id="line-107"> UTIL.getAdmin().flush(tableName);</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> // Put and Flush #2</span> |
| <span class="source-line-no">110</span><span id="line-110"> put = new Put(Bytes.toBytes("row2")).addColumn(FAMILY, QUALIFIER, VALUE);</span> |
| <span class="source-line-no">111</span><span id="line-111"> table.put(put);</span> |
| <span class="source-line-no">112</span><span id="line-112"> UTIL.getAdmin().flush(tableName);</span> |
| <span class="source-line-no">113</span><span id="line-113"></span> |
| <span class="source-line-no">114</span><span id="line-114"> // Major compact</span> |
| <span class="source-line-no">115</span><span id="line-115"> UTIL.getAdmin().majorCompact(tableName);</span> |
| <span class="source-line-no">116</span><span id="line-116"> Thread.sleep(6000);</span> |
| <span class="source-line-no">117</span><span id="line-117"> assertMajorCompactionOK(tableName);</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> // The last cell before Compactor#commitWriter must be an heap one.</span> |
| <span class="source-line-no">120</span><span id="line-120"> Assert.assertTrue(IS_LAST_CELL_ON_HEAP.get());</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"></span> |
| <span class="source-line-no">123</span><span id="line-123"> public static class MyCompactor extends DefaultCompactor {</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> public MyCompactor(Configuration conf, HStore store) {</span> |
| <span class="source-line-no">126</span><span id="line-126"> super(conf, store);</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"> @Override</span> |
| <span class="source-line-no">130</span><span id="line-130"> protected List<Path> commitWriter(StoreFileWriter writer, FileDetails fd,</span> |
| <span class="source-line-no">131</span><span id="line-131"> CompactionRequestImpl request) throws IOException {</span> |
| <span class="source-line-no">132</span><span id="line-132"> HFileWriterImpl writerImpl = (HFileWriterImpl) writer.getLiveFileWriter();</span> |
| <span class="source-line-no">133</span><span id="line-133"> Cell cell = writerImpl.getLastCell();</span> |
| <span class="source-line-no">134</span><span id="line-134"> // The cell should be backend with an KeyOnlyKeyValue.</span> |
| <span class="source-line-no">135</span><span id="line-135"> IS_LAST_CELL_ON_HEAP.set(cell instanceof KeyOnlyKeyValue);</span> |
| <span class="source-line-no">136</span><span id="line-136"> return super.commitWriter(writer, fd, request);</span> |
| <span class="source-line-no">137</span><span id="line-137"> }</span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140">}</span> |
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