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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.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Arrays;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.Waiter.ExplainingPredicate;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.YouAreDeadException;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Get;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.testclassification.RegionServerTests;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.wal.AsyncFSWALProvider;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.wal.FSHLogProvider;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.wal.WALFactory;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.wal.WALProvider;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.zookeeper.ZKWatcher;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.zookeeper.ZNodePaths;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.junit.After;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.Before;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.ClassRule;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.Test;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.runner.RunWith;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.runners.Parameterized;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.runners.Parameterized.Parameter;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.runners.Parameterized.Parameters;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.slf4j.Logger;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58">/**</span> |
| <span class="source-line-no">059</span><span id="line-59"> * This testcase is used to ensure that the compaction marker will fail a compaction if the RS is</span> |
| <span class="source-line-no">060</span><span id="line-60"> * already dead. It can not eliminate FNFE when scanning but it does reduce the possibility a lot.</span> |
| <span class="source-line-no">061</span><span id="line-61"> */</span> |
| <span class="source-line-no">062</span><span id="line-62">@RunWith(Parameterized.class)</span> |
| <span class="source-line-no">063</span><span id="line-63">@Category({ RegionServerTests.class, LargeTests.class })</span> |
| <span class="source-line-no">064</span><span id="line-64">public class TestCompactionInDeadRegionServer {</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @ClassRule</span> |
| <span class="source-line-no">067</span><span id="line-67"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">068</span><span id="line-68"> HBaseClassTestRule.forClass(TestCompactionInDeadRegionServer.class);</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> private static final Logger LOG = LoggerFactory.getLogger(TestCompactionInDeadRegionServer.class);</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> private static final TableName TABLE_NAME = TableName.valueOf("test");</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> private static final byte[] CF = Bytes.toBytes("cf");</span> |
| <span class="source-line-no">077</span><span id="line-77"></span> |
| <span class="source-line-no">078</span><span id="line-78"> private static final byte[] CQ = Bytes.toBytes("cq");</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> public static final class IgnoreYouAreDeadRS extends HRegionServer {</span> |
| <span class="source-line-no">081</span><span id="line-81"></span> |
| <span class="source-line-no">082</span><span id="line-82"> public IgnoreYouAreDeadRS(Configuration conf) throws IOException, InterruptedException {</span> |
| <span class="source-line-no">083</span><span id="line-83"> super(conf);</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"> protected void tryRegionServerReport(long reportStartTime, long reportEndTime)</span> |
| <span class="source-line-no">088</span><span id="line-88"> throws IOException {</span> |
| <span class="source-line-no">089</span><span id="line-89"> try {</span> |
| <span class="source-line-no">090</span><span id="line-90"> super.tryRegionServerReport(reportStartTime, reportEndTime);</span> |
| <span class="source-line-no">091</span><span id="line-91"> } catch (YouAreDeadException e) {</span> |
| <span class="source-line-no">092</span><span id="line-92"> // ignore, do not abort</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</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"></span> |
| <span class="source-line-no">097</span><span id="line-97"> @Parameter</span> |
| <span class="source-line-no">098</span><span id="line-98"> public Class<? extends WALProvider> walProvider;</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> @Parameters(name = "{index}: wal={0}")</span> |
| <span class="source-line-no">101</span><span id="line-101"> public static List<Object[]> params() {</span> |
| <span class="source-line-no">102</span><span id="line-102"> return Arrays.asList(new Object[] { FSHLogProvider.class },</span> |
| <span class="source-line-no">103</span><span id="line-103"> new Object[] { AsyncFSWALProvider.class });</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"> @Before</span> |
| <span class="source-line-no">107</span><span id="line-107"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">108</span><span id="line-108"> UTIL.getConfiguration().setClass(WALFactory.WAL_PROVIDER, walProvider, WALProvider.class);</span> |
| <span class="source-line-no">109</span><span id="line-109"> UTIL.getConfiguration().setInt(HConstants.ZK_SESSION_TIMEOUT, 2000);</span> |
| <span class="source-line-no">110</span><span id="line-110"> UTIL.getConfiguration().setClass(HConstants.REGION_SERVER_IMPL, IgnoreYouAreDeadRS.class,</span> |
| <span class="source-line-no">111</span><span id="line-111"> HRegionServer.class);</span> |
| <span class="source-line-no">112</span><span id="line-112"> UTIL.startMiniCluster(2);</span> |
| <span class="source-line-no">113</span><span id="line-113"> Table table = UTIL.createTable(TABLE_NAME, CF);</span> |
| <span class="source-line-no">114</span><span id="line-114"> for (int i = 0; i < 10; i++) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> table.put(new Put(Bytes.toBytes(i)).addColumn(CF, CQ, Bytes.toBytes(i)));</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> UTIL.getAdmin().flush(TABLE_NAME);</span> |
| <span class="source-line-no">118</span><span id="line-118"> for (int i = 10; i < 20; i++) {</span> |
| <span class="source-line-no">119</span><span id="line-119"> table.put(new Put(Bytes.toBytes(i)).addColumn(CF, CQ, Bytes.toBytes(i)));</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"> UTIL.getAdmin().flush(TABLE_NAME);</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> @After</span> |
| <span class="source-line-no">125</span><span id="line-125"> public void tearDown() throws Exception {</span> |
| <span class="source-line-no">126</span><span id="line-126"> UTIL.shutdownMiniCluster();</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"> @Test</span> |
| <span class="source-line-no">130</span><span id="line-130"> public void test() throws Exception {</span> |
| <span class="source-line-no">131</span><span id="line-131"> HRegionServer regionSvr = UTIL.getRSForFirstRegionInTable(TABLE_NAME);</span> |
| <span class="source-line-no">132</span><span id="line-132"> HRegion region = regionSvr.getRegions(TABLE_NAME).get(0);</span> |
| <span class="source-line-no">133</span><span id="line-133"> String regName = region.getRegionInfo().getEncodedName();</span> |
| <span class="source-line-no">134</span><span id="line-134"> List<HRegion> metaRegs = regionSvr.getRegions(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">135</span><span id="line-135"> if (metaRegs != null && !metaRegs.isEmpty()) {</span> |
| <span class="source-line-no">136</span><span id="line-136"> LOG.info("meta is on the same server: " + regionSvr);</span> |
| <span class="source-line-no">137</span><span id="line-137"> // when region is on same server as hbase:meta, reassigning meta would abort the server</span> |
| <span class="source-line-no">138</span><span id="line-138"> // since WAL is broken.</span> |
| <span class="source-line-no">139</span><span id="line-139"> // so the region is moved to a different server</span> |
| <span class="source-line-no">140</span><span id="line-140"> HRegionServer otherRs = UTIL.getOtherRegionServer(regionSvr);</span> |
| <span class="source-line-no">141</span><span id="line-141"> UTIL.moveRegionAndWait(region.getRegionInfo(), otherRs.getServerName());</span> |
| <span class="source-line-no">142</span><span id="line-142"> LOG.info("Moved region: " + regName + " to " + otherRs.getServerName());</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"> HRegionServer rsToSuspend = UTIL.getRSForFirstRegionInTable(TABLE_NAME);</span> |
| <span class="source-line-no">145</span><span id="line-145"> region = rsToSuspend.getRegions(TABLE_NAME).get(0);</span> |
| <span class="source-line-no">146</span><span id="line-146"></span> |
| <span class="source-line-no">147</span><span id="line-147"> ZKWatcher watcher = UTIL.getZooKeeperWatcher();</span> |
| <span class="source-line-no">148</span><span id="line-148"> watcher.getRecoverableZooKeeper().delete(</span> |
| <span class="source-line-no">149</span><span id="line-149"> ZNodePaths.joinZNode(watcher.getZNodePaths().rsZNode, rsToSuspend.getServerName().toString()),</span> |
| <span class="source-line-no">150</span><span id="line-150"> -1);</span> |
| <span class="source-line-no">151</span><span id="line-151"> LOG.info("suspending " + rsToSuspend);</span> |
| <span class="source-line-no">152</span><span id="line-152"> UTIL.waitFor(60000, 1000, new ExplainingPredicate<Exception>() {</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 boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">156</span><span id="line-156"> for (RegionServerThread thread : UTIL.getHBaseCluster().getRegionServerThreads()) {</span> |
| <span class="source-line-no">157</span><span id="line-157"> HRegionServer rs = thread.getRegionServer();</span> |
| <span class="source-line-no">158</span><span id="line-158"> if (rs != rsToSuspend) {</span> |
| <span class="source-line-no">159</span><span id="line-159"> return !rs.getRegions(TABLE_NAME).isEmpty();</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"> }</span> |
| <span class="source-line-no">162</span><span id="line-162"> return false;</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164"></span> |
| <span class="source-line-no">165</span><span id="line-165"> @Override</span> |
| <span class="source-line-no">166</span><span id="line-166"> public String explainFailure() throws Exception {</span> |
| <span class="source-line-no">167</span><span id="line-167"> return "The region for " + TABLE_NAME + " is still on " + rsToSuspend.getServerName();</span> |
| <span class="source-line-no">168</span><span id="line-168"> }</span> |
| <span class="source-line-no">169</span><span id="line-169"> });</span> |
| <span class="source-line-no">170</span><span id="line-170"> try {</span> |
| <span class="source-line-no">171</span><span id="line-171"> region.compact(true);</span> |
| <span class="source-line-no">172</span><span id="line-172"> fail("Should fail as our wal file has already been closed, "</span> |
| <span class="source-line-no">173</span><span id="line-173"> + "and walDir has also been renamed");</span> |
| <span class="source-line-no">174</span><span id="line-174"> } catch (Exception e) {</span> |
| <span class="source-line-no">175</span><span id="line-175"> LOG.debug("expected exception: ", e);</span> |
| <span class="source-line-no">176</span><span id="line-176"> }</span> |
| <span class="source-line-no">177</span><span id="line-177"> Table table = UTIL.getConnection().getTable(TABLE_NAME);</span> |
| <span class="source-line-no">178</span><span id="line-178"> // should not hit FNFE</span> |
| <span class="source-line-no">179</span><span id="line-179"> for (int i = 0; i < 20; i++) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> assertEquals(i, Bytes.toInt(table.get(new Get(Bytes.toBytes(i))).getValue(CF, CQ)));</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183">}</span> |
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