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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.client;</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 com.codahale.metrics.Counter;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.IOException;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.List;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Optional;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.concurrent.CountDownLatch;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.atomic.AtomicBoolean;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.atomic.AtomicLong;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.atomic.AtomicReference;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.HRegionLocation;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.NotServingRegionException;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.StartTestingClusterOption;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.TableNotFoundException;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.coprocessor.ObserverContext;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.coprocessor.RegionObserver;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.regionserver.InternalScanner;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.regionserver.TestRegionServerNoMaster;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.testclassification.ClientTests;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.zookeeper.KeeperException;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.After;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.AfterClass;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.Assert;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.junit.Before;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.junit.ClassRule;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.junit.Test;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.slf4j.Logger;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos;</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67">/**</span> |
| <span class="source-line-no">068</span><span id="line-68"> * Tests for region replicas. Sad that we cannot isolate these without bringing up a whole cluster.</span> |
| <span class="source-line-no">069</span><span id="line-69"> * See {@link org.apache.hadoop.hbase.regionserver.TestRegionServerNoMaster}.</span> |
| <span class="source-line-no">070</span><span id="line-70"> */</span> |
| <span class="source-line-no">071</span><span id="line-71">@Category({ LargeTests.class, ClientTests.class })</span> |
| <span class="source-line-no">072</span><span id="line-72">@SuppressWarnings("deprecation")</span> |
| <span class="source-line-no">073</span><span id="line-73">public class TestReplicasClient {</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> @ClassRule</span> |
| <span class="source-line-no">076</span><span id="line-76"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">077</span><span id="line-77"> HBaseClassTestRule.forClass(TestReplicasClient.class);</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> private static final Logger LOG = LoggerFactory.getLogger(TestReplicasClient.class);</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> private static TableName TABLE_NAME;</span> |
| <span class="source-line-no">082</span><span id="line-82"> private Table table = null;</span> |
| <span class="source-line-no">083</span><span id="line-83"> private static final byte[] row = Bytes.toBytes(TestReplicasClient.class.getName());;</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> private static RegionInfo hriPrimary;</span> |
| <span class="source-line-no">086</span><span id="line-86"> private static RegionInfo hriSecondary;</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> private static final HBaseTestingUtil HTU = new HBaseTestingUtil();</span> |
| <span class="source-line-no">089</span><span id="line-89"> private static final byte[] f = HConstants.CATALOG_FAMILY;</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> private final static int REFRESH_PERIOD = 1000;</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> /**</span> |
| <span class="source-line-no">094</span><span id="line-94"> * This copro is used to synchronize the tests.</span> |
| <span class="source-line-no">095</span><span id="line-95"> */</span> |
| <span class="source-line-no">096</span><span id="line-96"> public static class SlowMeCopro implements RegionCoprocessor, RegionObserver {</span> |
| <span class="source-line-no">097</span><span id="line-97"> static final AtomicLong sleepTime = new AtomicLong(0);</span> |
| <span class="source-line-no">098</span><span id="line-98"> static final AtomicBoolean slowDownNext = new AtomicBoolean(false);</span> |
| <span class="source-line-no">099</span><span id="line-99"> static final AtomicInteger countOfNext = new AtomicInteger(0);</span> |
| <span class="source-line-no">100</span><span id="line-100"> private static final AtomicReference<CountDownLatch> primaryCdl =</span> |
| <span class="source-line-no">101</span><span id="line-101"> new AtomicReference<>(new CountDownLatch(0));</span> |
| <span class="source-line-no">102</span><span id="line-102"> private static final AtomicReference<CountDownLatch> secondaryCdl =</span> |
| <span class="source-line-no">103</span><span id="line-103"> new AtomicReference<>(new CountDownLatch(0));</span> |
| <span class="source-line-no">104</span><span id="line-104"></span> |
| <span class="source-line-no">105</span><span id="line-105"> public SlowMeCopro() {</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> @Override</span> |
| <span class="source-line-no">109</span><span id="line-109"> public Optional<RegionObserver> getRegionObserver() {</span> |
| <span class="source-line-no">110</span><span id="line-110"> return Optional.of(this);</span> |
| <span class="source-line-no">111</span><span id="line-111"> }</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> @Override</span> |
| <span class="source-line-no">114</span><span id="line-114"> public void preGetOp(final ObserverContext<RegionCoprocessorEnvironment> e, final Get get,</span> |
| <span class="source-line-no">115</span><span id="line-115"> final List<Cell> results) throws IOException {</span> |
| <span class="source-line-no">116</span><span id="line-116"> slowdownCode(e);</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"></span> |
| <span class="source-line-no">119</span><span id="line-119"> @Override</span> |
| <span class="source-line-no">120</span><span id="line-120"> public void preScannerOpen(final ObserverContext<RegionCoprocessorEnvironment> e,</span> |
| <span class="source-line-no">121</span><span id="line-121"> final Scan scan) throws IOException {</span> |
| <span class="source-line-no">122</span><span id="line-122"> slowdownCode(e);</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> @Override</span> |
| <span class="source-line-no">126</span><span id="line-126"> public boolean preScannerNext(final ObserverContext<RegionCoprocessorEnvironment> e,</span> |
| <span class="source-line-no">127</span><span id="line-127"> final InternalScanner s, final List<Result> results, final int limit, final boolean hasMore)</span> |
| <span class="source-line-no">128</span><span id="line-128"> throws IOException {</span> |
| <span class="source-line-no">129</span><span id="line-129"> // this will slow down a certain next operation if the conditions are met. The slowness</span> |
| <span class="source-line-no">130</span><span id="line-130"> // will allow the call to go to a replica</span> |
| <span class="source-line-no">131</span><span id="line-131"> if (slowDownNext.get()) {</span> |
| <span class="source-line-no">132</span><span id="line-132"> // have some "next" return successfully from the primary; hence countOfNext checked</span> |
| <span class="source-line-no">133</span><span id="line-133"> if (countOfNext.incrementAndGet() == 2) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> sleepTime.set(2000);</span> |
| <span class="source-line-no">135</span><span id="line-135"> slowdownCode(e);</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"> }</span> |
| <span class="source-line-no">138</span><span id="line-138"> return true;</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> |
| <span class="source-line-no">141</span><span id="line-141"> private void slowdownCode(final ObserverContext<RegionCoprocessorEnvironment> e) {</span> |
| <span class="source-line-no">142</span><span id="line-142"> if (e.getEnvironment().getRegion().getRegionInfo().getReplicaId() == 0) {</span> |
| <span class="source-line-no">143</span><span id="line-143"> LOG.info("We're the primary replicas.");</span> |
| <span class="source-line-no">144</span><span id="line-144"> CountDownLatch latch = getPrimaryCdl().get();</span> |
| <span class="source-line-no">145</span><span id="line-145"> try {</span> |
| <span class="source-line-no">146</span><span id="line-146"> if (sleepTime.get() > 0) {</span> |
| <span class="source-line-no">147</span><span id="line-147"> LOG.info("Sleeping for " + sleepTime.get() + " ms");</span> |
| <span class="source-line-no">148</span><span id="line-148"> Thread.sleep(sleepTime.get());</span> |
| <span class="source-line-no">149</span><span id="line-149"> } else if (latch.getCount() > 0) {</span> |
| <span class="source-line-no">150</span><span id="line-150"> LOG.info("Waiting for the counterCountDownLatch");</span> |
| <span class="source-line-no">151</span><span id="line-151"> latch.await(2, TimeUnit.MINUTES); // To help the tests to finish.</span> |
| <span class="source-line-no">152</span><span id="line-152"> if (latch.getCount() > 0) {</span> |
| <span class="source-line-no">153</span><span id="line-153"> throw new RuntimeException("Can't wait more");</span> |
| <span class="source-line-no">154</span><span id="line-154"> }</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156"> } catch (InterruptedException e1) {</span> |
| <span class="source-line-no">157</span><span id="line-157"> LOG.error(e1.toString(), e1);</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"> } else {</span> |
| <span class="source-line-no">160</span><span id="line-160"> LOG.info("We're not the primary replicas.");</span> |
| <span class="source-line-no">161</span><span id="line-161"> CountDownLatch latch = getSecondaryCdl().get();</span> |
| <span class="source-line-no">162</span><span id="line-162"> try {</span> |
| <span class="source-line-no">163</span><span id="line-163"> if (latch.getCount() > 0) {</span> |
| <span class="source-line-no">164</span><span id="line-164"> LOG.info("Waiting for the secondary counterCountDownLatch");</span> |
| <span class="source-line-no">165</span><span id="line-165"> latch.await(2, TimeUnit.MINUTES); // To help the tests to finish.</span> |
| <span class="source-line-no">166</span><span id="line-166"> if (latch.getCount() > 0) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> throw new RuntimeException("Can't wait more");</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"> } catch (InterruptedException e1) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> LOG.error(e1.toString(), e1);</span> |
| <span class="source-line-no">172</span><span id="line-172"> }</span> |
| <span class="source-line-no">173</span><span id="line-173"> }</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> public static AtomicReference<CountDownLatch> getPrimaryCdl() {</span> |
| <span class="source-line-no">177</span><span id="line-177"> return primaryCdl;</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"></span> |
| <span class="source-line-no">180</span><span id="line-180"> public static AtomicReference<CountDownLatch> getSecondaryCdl() {</span> |
| <span class="source-line-no">181</span><span id="line-181"> return secondaryCdl;</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> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> @BeforeClass</span> |
| <span class="source-line-no">186</span><span id="line-186"> public static void beforeClass() throws Exception {</span> |
| <span class="source-line-no">187</span><span id="line-187"> // enable store file refreshing</span> |
| <span class="source-line-no">188</span><span id="line-188"> HTU.getConfiguration().setInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,</span> |
| <span class="source-line-no">189</span><span id="line-189"> REFRESH_PERIOD);</span> |
| <span class="source-line-no">190</span><span id="line-190"> HTU.getConfiguration().setBoolean("hbase.client.log.scanner.activity", true);</span> |
| <span class="source-line-no">191</span><span id="line-191"> HTU.getConfiguration().setBoolean(MetricsConnection.CLIENT_SIDE_METRICS_ENABLED_KEY, true);</span> |
| <span class="source-line-no">192</span><span id="line-192"> StartTestingClusterOption option = StartTestingClusterOption.builder().numRegionServers(1)</span> |
| <span class="source-line-no">193</span><span id="line-193"> .numAlwaysStandByMasters(1).numMasters(1).build();</span> |
| <span class="source-line-no">194</span><span id="line-194"> HTU.startMiniCluster(option);</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> // Create table then get the single region for our new table.</span> |
| <span class="source-line-no">197</span><span id="line-197"> TableDescriptorBuilder builder = HTU.createModifyableTableDescriptor(</span> |
| <span class="source-line-no">198</span><span id="line-198"> TableName.valueOf(TestReplicasClient.class.getSimpleName()),</span> |
| <span class="source-line-no">199</span><span id="line-199"> ColumnFamilyDescriptorBuilder.DEFAULT_MIN_VERSIONS, 3, HConstants.FOREVER,</span> |
| <span class="source-line-no">200</span><span id="line-200"> ColumnFamilyDescriptorBuilder.DEFAULT_KEEP_DELETED);</span> |
| <span class="source-line-no">201</span><span id="line-201"> builder.setCoprocessor(SlowMeCopro.class.getName());</span> |
| <span class="source-line-no">202</span><span id="line-202"> TableDescriptor hdt = builder.build();</span> |
| <span class="source-line-no">203</span><span id="line-203"> HTU.createTable(hdt, new byte[][] { f }, null);</span> |
| <span class="source-line-no">204</span><span id="line-204"> TABLE_NAME = hdt.getTableName();</span> |
| <span class="source-line-no">205</span><span id="line-205"> try (RegionLocator locator = HTU.getConnection().getRegionLocator(hdt.getTableName())) {</span> |
| <span class="source-line-no">206</span><span id="line-206"> hriPrimary = locator.getRegionLocation(row, false).getRegion();</span> |
| <span class="source-line-no">207</span><span id="line-207"> }</span> |
| <span class="source-line-no">208</span><span id="line-208"></span> |
| <span class="source-line-no">209</span><span id="line-209"> // mock a secondary region info to open</span> |
| <span class="source-line-no">210</span><span id="line-210"> hriSecondary = RegionReplicaUtil.getRegionInfoForReplica(hriPrimary, 1);</span> |
| <span class="source-line-no">211</span><span id="line-211"></span> |
| <span class="source-line-no">212</span><span id="line-212"> // No master</span> |
| <span class="source-line-no">213</span><span id="line-213"> LOG.info("Master is going to be stopped");</span> |
| <span class="source-line-no">214</span><span id="line-214"> TestRegionServerNoMaster.stopMasterAndCacheMetaLocation(HTU);</span> |
| <span class="source-line-no">215</span><span id="line-215"> Configuration c = new Configuration(HTU.getConfiguration());</span> |
| <span class="source-line-no">216</span><span id="line-216"> c.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1);</span> |
| <span class="source-line-no">217</span><span id="line-217"> LOG.info("Master has stopped");</span> |
| <span class="source-line-no">218</span><span id="line-218"> }</span> |
| <span class="source-line-no">219</span><span id="line-219"></span> |
| <span class="source-line-no">220</span><span id="line-220"> @AfterClass</span> |
| <span class="source-line-no">221</span><span id="line-221"> public static void afterClass() throws Exception {</span> |
| <span class="source-line-no">222</span><span id="line-222"> HRegionServer.TEST_SKIP_REPORTING_TRANSITION = false;</span> |
| <span class="source-line-no">223</span><span id="line-223"> HTU.shutdownMiniCluster();</span> |
| <span class="source-line-no">224</span><span id="line-224"> }</span> |
| <span class="source-line-no">225</span><span id="line-225"></span> |
| <span class="source-line-no">226</span><span id="line-226"> @Before</span> |
| <span class="source-line-no">227</span><span id="line-227"> public void before() throws IOException {</span> |
| <span class="source-line-no">228</span><span id="line-228"> HTU.getConnection().clearRegionLocationCache();</span> |
| <span class="source-line-no">229</span><span id="line-229"> try {</span> |
| <span class="source-line-no">230</span><span id="line-230"> openRegion(hriPrimary);</span> |
| <span class="source-line-no">231</span><span id="line-231"> } catch (Exception ignored) {</span> |
| <span class="source-line-no">232</span><span id="line-232"> }</span> |
| <span class="source-line-no">233</span><span id="line-233"> try {</span> |
| <span class="source-line-no">234</span><span id="line-234"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">235</span><span id="line-235"> } catch (Exception ignored) {</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"> table = HTU.getConnection().getTable(TABLE_NAME);</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"></span> |
| <span class="source-line-no">240</span><span id="line-240"> @After</span> |
| <span class="source-line-no">241</span><span id="line-241"> public void after() throws IOException, KeeperException {</span> |
| <span class="source-line-no">242</span><span id="line-242"> try {</span> |
| <span class="source-line-no">243</span><span id="line-243"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">244</span><span id="line-244"> } catch (Exception ignored) {</span> |
| <span class="source-line-no">245</span><span id="line-245"> }</span> |
| <span class="source-line-no">246</span><span id="line-246"> try {</span> |
| <span class="source-line-no">247</span><span id="line-247"> closeRegion(hriPrimary);</span> |
| <span class="source-line-no">248</span><span id="line-248"> } catch (Exception ignored) {</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"> HTU.getConnection().clearRegionLocationCache();</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> private HRegionServer getRS() {</span> |
| <span class="source-line-no">254</span><span id="line-254"> return HTU.getMiniHBaseCluster().getRegionServer(0);</span> |
| <span class="source-line-no">255</span><span id="line-255"> }</span> |
| <span class="source-line-no">256</span><span id="line-256"></span> |
| <span class="source-line-no">257</span><span id="line-257"> private void openRegion(RegionInfo hri) throws Exception {</span> |
| <span class="source-line-no">258</span><span id="line-258"> try {</span> |
| <span class="source-line-no">259</span><span id="line-259"> if (isRegionOpened(hri)) return;</span> |
| <span class="source-line-no">260</span><span id="line-260"> } catch (Exception e) {</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"> // first version is '0'</span> |
| <span class="source-line-no">263</span><span id="line-263"> AdminProtos.OpenRegionRequest orr =</span> |
| <span class="source-line-no">264</span><span id="line-264"> RequestConverter.buildOpenRegionRequest(getRS().getServerName(), hri, null);</span> |
| <span class="source-line-no">265</span><span id="line-265"> AdminProtos.OpenRegionResponse responseOpen = getRS().getRSRpcServices().openRegion(null, orr);</span> |
| <span class="source-line-no">266</span><span id="line-266"> Assert.assertEquals(1, responseOpen.getOpeningStateCount());</span> |
| <span class="source-line-no">267</span><span id="line-267"> Assert.assertEquals(AdminProtos.OpenRegionResponse.RegionOpeningState.OPENED,</span> |
| <span class="source-line-no">268</span><span id="line-268"> responseOpen.getOpeningState(0));</span> |
| <span class="source-line-no">269</span><span id="line-269"> checkRegionIsOpened(hri);</span> |
| <span class="source-line-no">270</span><span id="line-270"> }</span> |
| <span class="source-line-no">271</span><span id="line-271"></span> |
| <span class="source-line-no">272</span><span id="line-272"> private void closeRegion(RegionInfo hri) throws Exception {</span> |
| <span class="source-line-no">273</span><span id="line-273"> AdminProtos.CloseRegionRequest crr =</span> |
| <span class="source-line-no">274</span><span id="line-274"> ProtobufUtil.buildCloseRegionRequest(getRS().getServerName(), hri.getRegionName());</span> |
| <span class="source-line-no">275</span><span id="line-275"> AdminProtos.CloseRegionResponse responseClose =</span> |
| <span class="source-line-no">276</span><span id="line-276"> getRS().getRSRpcServices().closeRegion(null, crr);</span> |
| <span class="source-line-no">277</span><span id="line-277"> Assert.assertTrue(responseClose.getClosed());</span> |
| <span class="source-line-no">278</span><span id="line-278"></span> |
| <span class="source-line-no">279</span><span id="line-279"> checkRegionIsClosed(hri.getEncodedName());</span> |
| <span class="source-line-no">280</span><span id="line-280"> }</span> |
| <span class="source-line-no">281</span><span id="line-281"></span> |
| <span class="source-line-no">282</span><span id="line-282"> private void checkRegionIsOpened(RegionInfo hri) throws Exception {</span> |
| <span class="source-line-no">283</span><span id="line-283"> while (!getRS().getRegionsInTransitionInRS().isEmpty()) {</span> |
| <span class="source-line-no">284</span><span id="line-284"> Thread.sleep(1);</span> |
| <span class="source-line-no">285</span><span id="line-285"> }</span> |
| <span class="source-line-no">286</span><span id="line-286"> }</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> private boolean isRegionOpened(RegionInfo hri) throws Exception {</span> |
| <span class="source-line-no">289</span><span id="line-289"> return getRS().getRegionByEncodedName(hri.getEncodedName()).isAvailable();</span> |
| <span class="source-line-no">290</span><span id="line-290"> }</span> |
| <span class="source-line-no">291</span><span id="line-291"></span> |
| <span class="source-line-no">292</span><span id="line-292"> private void checkRegionIsClosed(String encodedRegionName) throws Exception {</span> |
| <span class="source-line-no">293</span><span id="line-293"></span> |
| <span class="source-line-no">294</span><span id="line-294"> while (!getRS().getRegionsInTransitionInRS().isEmpty()) {</span> |
| <span class="source-line-no">295</span><span id="line-295"> Thread.sleep(1);</span> |
| <span class="source-line-no">296</span><span id="line-296"> }</span> |
| <span class="source-line-no">297</span><span id="line-297"></span> |
| <span class="source-line-no">298</span><span id="line-298"> try {</span> |
| <span class="source-line-no">299</span><span id="line-299"> Assert.assertFalse(getRS().getRegionByEncodedName(encodedRegionName).isAvailable());</span> |
| <span class="source-line-no">300</span><span id="line-300"> } catch (NotServingRegionException expected) {</span> |
| <span class="source-line-no">301</span><span id="line-301"> // That's how it work: if the region is closed we have an exception.</span> |
| <span class="source-line-no">302</span><span id="line-302"> }</span> |
| <span class="source-line-no">303</span><span id="line-303"></span> |
| <span class="source-line-no">304</span><span id="line-304"> // We don't delete the znode here, because there is not always a znode.</span> |
| <span class="source-line-no">305</span><span id="line-305"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"></span> |
| <span class="source-line-no">307</span><span id="line-307"> private void flushRegion(RegionInfo regionInfo) throws IOException {</span> |
| <span class="source-line-no">308</span><span id="line-308"> TestRegionServerNoMaster.flushRegion(HTU, regionInfo);</span> |
| <span class="source-line-no">309</span><span id="line-309"> }</span> |
| <span class="source-line-no">310</span><span id="line-310"></span> |
| <span class="source-line-no">311</span><span id="line-311"> @Test</span> |
| <span class="source-line-no">312</span><span id="line-312"> public void testUseRegionWithoutReplica() throws Exception {</span> |
| <span class="source-line-no">313</span><span id="line-313"> byte[] b1 = Bytes.toBytes("testUseRegionWithoutReplica");</span> |
| <span class="source-line-no">314</span><span id="line-314"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">315</span><span id="line-315"> SlowMeCopro.getPrimaryCdl().set(new CountDownLatch(0));</span> |
| <span class="source-line-no">316</span><span id="line-316"> try {</span> |
| <span class="source-line-no">317</span><span id="line-317"> Get g = new Get(b1);</span> |
| <span class="source-line-no">318</span><span id="line-318"> Result r = table.get(g);</span> |
| <span class="source-line-no">319</span><span id="line-319"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">320</span><span id="line-320"> } finally {</span> |
| <span class="source-line-no">321</span><span id="line-321"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">322</span><span id="line-322"> }</span> |
| <span class="source-line-no">323</span><span id="line-323"> }</span> |
| <span class="source-line-no">324</span><span id="line-324"></span> |
| <span class="source-line-no">325</span><span id="line-325"> @Test</span> |
| <span class="source-line-no">326</span><span id="line-326"> public void testLocations() throws Exception {</span> |
| <span class="source-line-no">327</span><span id="line-327"> byte[] b1 = Bytes.toBytes("testLocations");</span> |
| <span class="source-line-no">328</span><span id="line-328"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">329</span><span id="line-329"></span> |
| <span class="source-line-no">330</span><span id="line-330"> try (Connection conn = ConnectionFactory.createConnection(HTU.getConfiguration());</span> |
| <span class="source-line-no">331</span><span id="line-331"> RegionLocator locator = conn.getRegionLocator(TABLE_NAME)) {</span> |
| <span class="source-line-no">332</span><span id="line-332"> conn.clearRegionLocationCache();</span> |
| <span class="source-line-no">333</span><span id="line-333"> List<HRegionLocation> rl = locator.getRegionLocations(b1, true);</span> |
| <span class="source-line-no">334</span><span id="line-334"> Assert.assertEquals(2, rl.size());</span> |
| <span class="source-line-no">335</span><span id="line-335"></span> |
| <span class="source-line-no">336</span><span id="line-336"> rl = locator.getRegionLocations(b1, false);</span> |
| <span class="source-line-no">337</span><span id="line-337"> Assert.assertEquals(2, rl.size());</span> |
| <span class="source-line-no">338</span><span id="line-338"></span> |
| <span class="source-line-no">339</span><span id="line-339"> conn.clearRegionLocationCache();</span> |
| <span class="source-line-no">340</span><span id="line-340"> rl = locator.getRegionLocations(b1, false);</span> |
| <span class="source-line-no">341</span><span id="line-341"> Assert.assertEquals(2, rl.size());</span> |
| <span class="source-line-no">342</span><span id="line-342"></span> |
| <span class="source-line-no">343</span><span id="line-343"> rl = locator.getRegionLocations(b1, true);</span> |
| <span class="source-line-no">344</span><span id="line-344"> Assert.assertEquals(2, rl.size());</span> |
| <span class="source-line-no">345</span><span id="line-345"> } finally {</span> |
| <span class="source-line-no">346</span><span id="line-346"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"> }</span> |
| <span class="source-line-no">349</span><span id="line-349"></span> |
| <span class="source-line-no">350</span><span id="line-350"> @Test</span> |
| <span class="source-line-no">351</span><span id="line-351"> public void testGetNoResultNoStaleRegionWithReplica() throws Exception {</span> |
| <span class="source-line-no">352</span><span id="line-352"> byte[] b1 = Bytes.toBytes("testGetNoResultNoStaleRegionWithReplica");</span> |
| <span class="source-line-no">353</span><span id="line-353"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">354</span><span id="line-354"></span> |
| <span class="source-line-no">355</span><span id="line-355"> try {</span> |
| <span class="source-line-no">356</span><span id="line-356"> // A get works and is not stale</span> |
| <span class="source-line-no">357</span><span id="line-357"> Get g = new Get(b1);</span> |
| <span class="source-line-no">358</span><span id="line-358"> Result r = table.get(g);</span> |
| <span class="source-line-no">359</span><span id="line-359"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">360</span><span id="line-360"> } finally {</span> |
| <span class="source-line-no">361</span><span id="line-361"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">362</span><span id="line-362"> }</span> |
| <span class="source-line-no">363</span><span id="line-363"> }</span> |
| <span class="source-line-no">364</span><span id="line-364"></span> |
| <span class="source-line-no">365</span><span id="line-365"> @Test</span> |
| <span class="source-line-no">366</span><span id="line-366"> public void testGetNoResultStaleRegionWithReplica() throws Exception {</span> |
| <span class="source-line-no">367</span><span id="line-367"> byte[] b1 = Bytes.toBytes("testGetNoResultStaleRegionWithReplica");</span> |
| <span class="source-line-no">368</span><span id="line-368"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">369</span><span id="line-369"></span> |
| <span class="source-line-no">370</span><span id="line-370"> SlowMeCopro.getPrimaryCdl().set(new CountDownLatch(1));</span> |
| <span class="source-line-no">371</span><span id="line-371"> try {</span> |
| <span class="source-line-no">372</span><span id="line-372"> Get g = new Get(b1);</span> |
| <span class="source-line-no">373</span><span id="line-373"> g.setConsistency(Consistency.TIMELINE);</span> |
| <span class="source-line-no">374</span><span id="line-374"> Result r = table.get(g);</span> |
| <span class="source-line-no">375</span><span id="line-375"> Assert.assertTrue(r.isStale());</span> |
| <span class="source-line-no">376</span><span id="line-376"> } finally {</span> |
| <span class="source-line-no">377</span><span id="line-377"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">378</span><span id="line-378"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">379</span><span id="line-379"> }</span> |
| <span class="source-line-no">380</span><span id="line-380"> }</span> |
| <span class="source-line-no">381</span><span id="line-381"></span> |
| <span class="source-line-no">382</span><span id="line-382"> @Test</span> |
| <span class="source-line-no">383</span><span id="line-383"> public void testGetNoResultNotStaleSleepRegionWithReplica() throws Exception {</span> |
| <span class="source-line-no">384</span><span id="line-384"> byte[] b1 = Bytes.toBytes("testGetNoResultNotStaleSleepRegionWithReplica");</span> |
| <span class="source-line-no">385</span><span id="line-385"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">386</span><span id="line-386"></span> |
| <span class="source-line-no">387</span><span id="line-387"> try {</span> |
| <span class="source-line-no">388</span><span id="line-388"> // We sleep; but we won't go to the stale region as we don't get the stale by default.</span> |
| <span class="source-line-no">389</span><span id="line-389"> SlowMeCopro.sleepTime.set(2000);</span> |
| <span class="source-line-no">390</span><span id="line-390"> Get g = new Get(b1);</span> |
| <span class="source-line-no">391</span><span id="line-391"> Result r = table.get(g);</span> |
| <span class="source-line-no">392</span><span id="line-392"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">393</span><span id="line-393"></span> |
| <span class="source-line-no">394</span><span id="line-394"> } finally {</span> |
| <span class="source-line-no">395</span><span id="line-395"> SlowMeCopro.sleepTime.set(0);</span> |
| <span class="source-line-no">396</span><span id="line-396"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">397</span><span id="line-397"> }</span> |
| <span class="source-line-no">398</span><span id="line-398"> }</span> |
| <span class="source-line-no">399</span><span id="line-399"></span> |
| <span class="source-line-no">400</span><span id="line-400"> @Test</span> |
| <span class="source-line-no">401</span><span id="line-401"> public void testFlushTable() throws Exception {</span> |
| <span class="source-line-no">402</span><span id="line-402"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">403</span><span id="line-403"> try {</span> |
| <span class="source-line-no">404</span><span id="line-404"> flushRegion(hriPrimary);</span> |
| <span class="source-line-no">405</span><span id="line-405"> flushRegion(hriSecondary);</span> |
| <span class="source-line-no">406</span><span id="line-406"></span> |
| <span class="source-line-no">407</span><span id="line-407"> Put p = new Put(row);</span> |
| <span class="source-line-no">408</span><span id="line-408"> p.addColumn(f, row, row);</span> |
| <span class="source-line-no">409</span><span id="line-409"> table.put(p);</span> |
| <span class="source-line-no">410</span><span id="line-410"></span> |
| <span class="source-line-no">411</span><span id="line-411"> flushRegion(hriPrimary);</span> |
| <span class="source-line-no">412</span><span id="line-412"> flushRegion(hriSecondary);</span> |
| <span class="source-line-no">413</span><span id="line-413"> } finally {</span> |
| <span class="source-line-no">414</span><span id="line-414"> Delete d = new Delete(row);</span> |
| <span class="source-line-no">415</span><span id="line-415"> table.delete(d);</span> |
| <span class="source-line-no">416</span><span id="line-416"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">417</span><span id="line-417"> }</span> |
| <span class="source-line-no">418</span><span id="line-418"> }</span> |
| <span class="source-line-no">419</span><span id="line-419"></span> |
| <span class="source-line-no">420</span><span id="line-420"> @Test</span> |
| <span class="source-line-no">421</span><span id="line-421"> public void testFlushPrimary() throws Exception {</span> |
| <span class="source-line-no">422</span><span id="line-422"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">423</span><span id="line-423"></span> |
| <span class="source-line-no">424</span><span id="line-424"> try {</span> |
| <span class="source-line-no">425</span><span id="line-425"> flushRegion(hriPrimary);</span> |
| <span class="source-line-no">426</span><span id="line-426"></span> |
| <span class="source-line-no">427</span><span id="line-427"> Put p = new Put(row);</span> |
| <span class="source-line-no">428</span><span id="line-428"> p.addColumn(f, row, row);</span> |
| <span class="source-line-no">429</span><span id="line-429"> table.put(p);</span> |
| <span class="source-line-no">430</span><span id="line-430"></span> |
| <span class="source-line-no">431</span><span id="line-431"> flushRegion(hriPrimary);</span> |
| <span class="source-line-no">432</span><span id="line-432"> } finally {</span> |
| <span class="source-line-no">433</span><span id="line-433"> Delete d = new Delete(row);</span> |
| <span class="source-line-no">434</span><span id="line-434"> table.delete(d);</span> |
| <span class="source-line-no">435</span><span id="line-435"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">436</span><span id="line-436"> }</span> |
| <span class="source-line-no">437</span><span id="line-437"> }</span> |
| <span class="source-line-no">438</span><span id="line-438"></span> |
| <span class="source-line-no">439</span><span id="line-439"> @Test</span> |
| <span class="source-line-no">440</span><span id="line-440"> public void testFlushSecondary() throws Exception {</span> |
| <span class="source-line-no">441</span><span id="line-441"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">442</span><span id="line-442"> try {</span> |
| <span class="source-line-no">443</span><span id="line-443"> flushRegion(hriSecondary);</span> |
| <span class="source-line-no">444</span><span id="line-444"></span> |
| <span class="source-line-no">445</span><span id="line-445"> Put p = new Put(row);</span> |
| <span class="source-line-no">446</span><span id="line-446"> p.addColumn(f, row, row);</span> |
| <span class="source-line-no">447</span><span id="line-447"> table.put(p);</span> |
| <span class="source-line-no">448</span><span id="line-448"></span> |
| <span class="source-line-no">449</span><span id="line-449"> flushRegion(hriSecondary);</span> |
| <span class="source-line-no">450</span><span id="line-450"> } catch (TableNotFoundException expected) {</span> |
| <span class="source-line-no">451</span><span id="line-451"> } finally {</span> |
| <span class="source-line-no">452</span><span id="line-452"> Delete d = new Delete(row);</span> |
| <span class="source-line-no">453</span><span id="line-453"> table.delete(d);</span> |
| <span class="source-line-no">454</span><span id="line-454"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">455</span><span id="line-455"> }</span> |
| <span class="source-line-no">456</span><span id="line-456"> }</span> |
| <span class="source-line-no">457</span><span id="line-457"></span> |
| <span class="source-line-no">458</span><span id="line-458"> @Test</span> |
| <span class="source-line-no">459</span><span id="line-459"> public void testUseRegionWithReplica() throws Exception {</span> |
| <span class="source-line-no">460</span><span id="line-460"> byte[] b1 = Bytes.toBytes("testUseRegionWithReplica");</span> |
| <span class="source-line-no">461</span><span id="line-461"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">462</span><span id="line-462"></span> |
| <span class="source-line-no">463</span><span id="line-463"> try {</span> |
| <span class="source-line-no">464</span><span id="line-464"> // A simple put works, even if there here a second replica</span> |
| <span class="source-line-no">465</span><span id="line-465"> Put p = new Put(b1);</span> |
| <span class="source-line-no">466</span><span id="line-466"> p.addColumn(f, b1, b1);</span> |
| <span class="source-line-no">467</span><span id="line-467"> table.put(p);</span> |
| <span class="source-line-no">468</span><span id="line-468"> LOG.info("Put done");</span> |
| <span class="source-line-no">469</span><span id="line-469"></span> |
| <span class="source-line-no">470</span><span id="line-470"> // A get works and is not stale</span> |
| <span class="source-line-no">471</span><span id="line-471"> Get g = new Get(b1);</span> |
| <span class="source-line-no">472</span><span id="line-472"> Result r = table.get(g);</span> |
| <span class="source-line-no">473</span><span id="line-473"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">474</span><span id="line-474"> Assert.assertFalse(r.getColumnCells(f, b1).isEmpty());</span> |
| <span class="source-line-no">475</span><span id="line-475"> LOG.info("get works and is not stale done");</span> |
| <span class="source-line-no">476</span><span id="line-476"></span> |
| <span class="source-line-no">477</span><span id="line-477"> // Even if it we have to wait a little on the main region</span> |
| <span class="source-line-no">478</span><span id="line-478"> SlowMeCopro.sleepTime.set(2000);</span> |
| <span class="source-line-no">479</span><span id="line-479"> g = new Get(b1);</span> |
| <span class="source-line-no">480</span><span id="line-480"> r = table.get(g);</span> |
| <span class="source-line-no">481</span><span id="line-481"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">482</span><span id="line-482"> Assert.assertFalse(r.getColumnCells(f, b1).isEmpty());</span> |
| <span class="source-line-no">483</span><span id="line-483"> SlowMeCopro.sleepTime.set(0);</span> |
| <span class="source-line-no">484</span><span id="line-484"> LOG.info("sleep and is not stale done");</span> |
| <span class="source-line-no">485</span><span id="line-485"></span> |
| <span class="source-line-no">486</span><span id="line-486"> // But if we ask for stale we will get it</span> |
| <span class="source-line-no">487</span><span id="line-487"> SlowMeCopro.getPrimaryCdl().set(new CountDownLatch(1));</span> |
| <span class="source-line-no">488</span><span id="line-488"> g = new Get(b1);</span> |
| <span class="source-line-no">489</span><span id="line-489"> g.setConsistency(Consistency.TIMELINE);</span> |
| <span class="source-line-no">490</span><span id="line-490"> r = table.get(g);</span> |
| <span class="source-line-no">491</span><span id="line-491"> Assert.assertTrue(r.isStale());</span> |
| <span class="source-line-no">492</span><span id="line-492"> Assert.assertTrue(r.getColumnCells(f, b1).isEmpty());</span> |
| <span class="source-line-no">493</span><span id="line-493"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">494</span><span id="line-494"></span> |
| <span class="source-line-no">495</span><span id="line-495"> LOG.info("stale done");</span> |
| <span class="source-line-no">496</span><span id="line-496"></span> |
| <span class="source-line-no">497</span><span id="line-497"> // exists works and is not stale</span> |
| <span class="source-line-no">498</span><span id="line-498"> g = new Get(b1);</span> |
| <span class="source-line-no">499</span><span id="line-499"> g.setCheckExistenceOnly(true);</span> |
| <span class="source-line-no">500</span><span id="line-500"> r = table.get(g);</span> |
| <span class="source-line-no">501</span><span id="line-501"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">502</span><span id="line-502"> Assert.assertTrue(r.getExists());</span> |
| <span class="source-line-no">503</span><span id="line-503"> LOG.info("exists not stale done");</span> |
| <span class="source-line-no">504</span><span id="line-504"></span> |
| <span class="source-line-no">505</span><span id="line-505"> // exists works on stale but don't see the put</span> |
| <span class="source-line-no">506</span><span id="line-506"> SlowMeCopro.getPrimaryCdl().set(new CountDownLatch(1));</span> |
| <span class="source-line-no">507</span><span id="line-507"> g = new Get(b1);</span> |
| <span class="source-line-no">508</span><span id="line-508"> g.setCheckExistenceOnly(true);</span> |
| <span class="source-line-no">509</span><span id="line-509"> g.setConsistency(Consistency.TIMELINE);</span> |
| <span class="source-line-no">510</span><span id="line-510"> r = table.get(g);</span> |
| <span class="source-line-no">511</span><span id="line-511"> Assert.assertTrue(r.isStale());</span> |
| <span class="source-line-no">512</span><span id="line-512"> Assert.assertFalse("The secondary has stale data", r.getExists());</span> |
| <span class="source-line-no">513</span><span id="line-513"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">514</span><span id="line-514"> LOG.info("exists stale before flush done");</span> |
| <span class="source-line-no">515</span><span id="line-515"></span> |
| <span class="source-line-no">516</span><span id="line-516"> flushRegion(hriPrimary);</span> |
| <span class="source-line-no">517</span><span id="line-517"> flushRegion(hriSecondary);</span> |
| <span class="source-line-no">518</span><span id="line-518"> LOG.info("flush done");</span> |
| <span class="source-line-no">519</span><span id="line-519"> Thread.sleep(1000 + REFRESH_PERIOD * 2);</span> |
| <span class="source-line-no">520</span><span id="line-520"></span> |
| <span class="source-line-no">521</span><span id="line-521"> // get works and is not stale</span> |
| <span class="source-line-no">522</span><span id="line-522"> SlowMeCopro.getPrimaryCdl().set(new CountDownLatch(1));</span> |
| <span class="source-line-no">523</span><span id="line-523"> g = new Get(b1);</span> |
| <span class="source-line-no">524</span><span id="line-524"> g.setConsistency(Consistency.TIMELINE);</span> |
| <span class="source-line-no">525</span><span id="line-525"> r = table.get(g);</span> |
| <span class="source-line-no">526</span><span id="line-526"> Assert.assertTrue(r.isStale());</span> |
| <span class="source-line-no">527</span><span id="line-527"> Assert.assertFalse(r.isEmpty());</span> |
| <span class="source-line-no">528</span><span id="line-528"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">529</span><span id="line-529"> LOG.info("stale done");</span> |
| <span class="source-line-no">530</span><span id="line-530"></span> |
| <span class="source-line-no">531</span><span id="line-531"> // exists works on stale and we see the put after the flush</span> |
| <span class="source-line-no">532</span><span id="line-532"> SlowMeCopro.getPrimaryCdl().set(new CountDownLatch(1));</span> |
| <span class="source-line-no">533</span><span id="line-533"> g = new Get(b1);</span> |
| <span class="source-line-no">534</span><span id="line-534"> g.setCheckExistenceOnly(true);</span> |
| <span class="source-line-no">535</span><span id="line-535"> g.setConsistency(Consistency.TIMELINE);</span> |
| <span class="source-line-no">536</span><span id="line-536"> r = table.get(g);</span> |
| <span class="source-line-no">537</span><span id="line-537"> Assert.assertTrue(r.isStale());</span> |
| <span class="source-line-no">538</span><span id="line-538"> Assert.assertTrue(r.getExists());</span> |
| <span class="source-line-no">539</span><span id="line-539"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">540</span><span id="line-540"> LOG.info("exists stale after flush done");</span> |
| <span class="source-line-no">541</span><span id="line-541"></span> |
| <span class="source-line-no">542</span><span id="line-542"> } finally {</span> |
| <span class="source-line-no">543</span><span id="line-543"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">544</span><span id="line-544"> SlowMeCopro.sleepTime.set(0);</span> |
| <span class="source-line-no">545</span><span id="line-545"> Delete d = new Delete(b1);</span> |
| <span class="source-line-no">546</span><span id="line-546"> table.delete(d);</span> |
| <span class="source-line-no">547</span><span id="line-547"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">548</span><span id="line-548"> }</span> |
| <span class="source-line-no">549</span><span id="line-549"> }</span> |
| <span class="source-line-no">550</span><span id="line-550"></span> |
| <span class="source-line-no">551</span><span id="line-551"> @Test</span> |
| <span class="source-line-no">552</span><span id="line-552"> public void testHedgedRead() throws Exception {</span> |
| <span class="source-line-no">553</span><span id="line-553"> byte[] b1 = Bytes.toBytes("testHedgedRead");</span> |
| <span class="source-line-no">554</span><span id="line-554"> openRegion(hriSecondary);</span> |
| <span class="source-line-no">555</span><span id="line-555"></span> |
| <span class="source-line-no">556</span><span id="line-556"> try {</span> |
| <span class="source-line-no">557</span><span id="line-557"> // A simple put works, even if there here a second replica</span> |
| <span class="source-line-no">558</span><span id="line-558"> Put p = new Put(b1);</span> |
| <span class="source-line-no">559</span><span id="line-559"> p.addColumn(f, b1, b1);</span> |
| <span class="source-line-no">560</span><span id="line-560"> table.put(p);</span> |
| <span class="source-line-no">561</span><span id="line-561"> LOG.info("Put done");</span> |
| <span class="source-line-no">562</span><span id="line-562"></span> |
| <span class="source-line-no">563</span><span id="line-563"> // A get works and is not stale</span> |
| <span class="source-line-no">564</span><span id="line-564"> Get g = new Get(b1);</span> |
| <span class="source-line-no">565</span><span id="line-565"> Result r = table.get(g);</span> |
| <span class="source-line-no">566</span><span id="line-566"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">567</span><span id="line-567"> Assert.assertFalse(r.getColumnCells(f, b1).isEmpty());</span> |
| <span class="source-line-no">568</span><span id="line-568"> LOG.info("get works and is not stale done");</span> |
| <span class="source-line-no">569</span><span id="line-569"></span> |
| <span class="source-line-no">570</span><span id="line-570"> // reset</span> |
| <span class="source-line-no">571</span><span id="line-571"> AsyncConnectionImpl conn = (AsyncConnectionImpl) HTU.getConnection().toAsyncConnection();</span> |
| <span class="source-line-no">572</span><span id="line-572"> Counter hedgedReadOps = conn.getConnectionMetrics().get().getHedgedReadOps();</span> |
| <span class="source-line-no">573</span><span id="line-573"> Counter hedgedReadWin = conn.getConnectionMetrics().get().getHedgedReadWin();</span> |
| <span class="source-line-no">574</span><span id="line-574"> hedgedReadOps.dec(hedgedReadOps.getCount());</span> |
| <span class="source-line-no">575</span><span id="line-575"> hedgedReadWin.dec(hedgedReadWin.getCount());</span> |
| <span class="source-line-no">576</span><span id="line-576"></span> |
| <span class="source-line-no">577</span><span id="line-577"> // Wait a little on the main region, just enough to happen once hedged read</span> |
| <span class="source-line-no">578</span><span id="line-578"> // and hedged read did not returned faster</span> |
| <span class="source-line-no">579</span><span id="line-579"> long primaryCallTimeoutNs = conn.connConf.getPrimaryCallTimeoutNs();</span> |
| <span class="source-line-no">580</span><span id="line-580"> // The resolution of our timer is 10ms, so we need to sleep a bit more otherwise we may not</span> |
| <span class="source-line-no">581</span><span id="line-581"> // trigger the hedged read...</span> |
| <span class="source-line-no">582</span><span id="line-582"> SlowMeCopro.sleepTime.set(TimeUnit.NANOSECONDS.toMillis(primaryCallTimeoutNs) + 100);</span> |
| <span class="source-line-no">583</span><span id="line-583"> SlowMeCopro.getSecondaryCdl().set(new CountDownLatch(1));</span> |
| <span class="source-line-no">584</span><span id="line-584"> g = new Get(b1);</span> |
| <span class="source-line-no">585</span><span id="line-585"> g.setConsistency(Consistency.TIMELINE);</span> |
| <span class="source-line-no">586</span><span id="line-586"> r = table.get(g);</span> |
| <span class="source-line-no">587</span><span id="line-587"> Assert.assertFalse(r.isStale());</span> |
| <span class="source-line-no">588</span><span id="line-588"> Assert.assertFalse(r.getColumnCells(f, b1).isEmpty());</span> |
| <span class="source-line-no">589</span><span id="line-589"> Assert.assertEquals(1, hedgedReadOps.getCount());</span> |
| <span class="source-line-no">590</span><span id="line-590"> Assert.assertEquals(0, hedgedReadWin.getCount());</span> |
| <span class="source-line-no">591</span><span id="line-591"> SlowMeCopro.sleepTime.set(0);</span> |
| <span class="source-line-no">592</span><span id="line-592"> SlowMeCopro.getSecondaryCdl().get().countDown();</span> |
| <span class="source-line-no">593</span><span id="line-593"> LOG.info("hedged read occurred but not faster");</span> |
| <span class="source-line-no">594</span><span id="line-594"></span> |
| <span class="source-line-no">595</span><span id="line-595"> // But if we ask for stale we will get it and hedged read returned faster</span> |
| <span class="source-line-no">596</span><span id="line-596"> SlowMeCopro.getPrimaryCdl().set(new CountDownLatch(1));</span> |
| <span class="source-line-no">597</span><span id="line-597"> g = new Get(b1);</span> |
| <span class="source-line-no">598</span><span id="line-598"> g.setConsistency(Consistency.TIMELINE);</span> |
| <span class="source-line-no">599</span><span id="line-599"> r = table.get(g);</span> |
| <span class="source-line-no">600</span><span id="line-600"> Assert.assertTrue(r.isStale());</span> |
| <span class="source-line-no">601</span><span id="line-601"> Assert.assertTrue(r.getColumnCells(f, b1).isEmpty());</span> |
| <span class="source-line-no">602</span><span id="line-602"> Assert.assertEquals(2, hedgedReadOps.getCount());</span> |
| <span class="source-line-no">603</span><span id="line-603"> // we update the metrics after we finish the request so we use a waitFor here, use assert</span> |
| <span class="source-line-no">604</span><span id="line-604"> // directly may cause failure if we run too fast.</span> |
| <span class="source-line-no">605</span><span id="line-605"> HTU.waitFor(10000, () -> hedgedReadWin.getCount() == 1);</span> |
| <span class="source-line-no">606</span><span id="line-606"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">607</span><span id="line-607"> LOG.info("hedged read occurred and faster");</span> |
| <span class="source-line-no">608</span><span id="line-608"></span> |
| <span class="source-line-no">609</span><span id="line-609"> } finally {</span> |
| <span class="source-line-no">610</span><span id="line-610"> SlowMeCopro.getPrimaryCdl().get().countDown();</span> |
| <span class="source-line-no">611</span><span id="line-611"> SlowMeCopro.getSecondaryCdl().get().countDown();</span> |
| <span class="source-line-no">612</span><span id="line-612"> SlowMeCopro.sleepTime.set(0);</span> |
| <span class="source-line-no">613</span><span id="line-613"> Delete d = new Delete(b1);</span> |
| <span class="source-line-no">614</span><span id="line-614"> table.delete(d);</span> |
| <span class="source-line-no">615</span><span id="line-615"> closeRegion(hriSecondary);</span> |
| <span class="source-line-no">616</span><span id="line-616"> }</span> |
| <span class="source-line-no">617</span><span id="line-617"> }</span> |
| <span class="source-line-no">618</span><span id="line-618">}</span> |
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| </html> |
