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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 static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertNotNull;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertNull;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">025</span><span id="line-25"></span> |
| <span class="source-line-no">026</span><span id="line-26">import java.io.IOException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Arrays;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.List;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.stream.IntStream;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.CallQueueTooBigException;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.MultiActionResultTooLarge;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.NotServingRegionException;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.RegionTooBusyException;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.RetryImmediatelyException;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.exceptions.RegionOpeningException;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.quotas.RpcThrottlingException;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.regionserver.RSRpcServices;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.testclassification.ClientTests;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.After;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.AfterClass;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.ClassRule;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.junit.Test;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.junit.function.ThrowingRunnable;</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hbase.thirdparty.com.google.common.io.Closeables;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.GetResponse;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66">@Category({ MediumTests.class, ClientTests.class })</span> |
| <span class="source-line-no">067</span><span id="line-67">public class TestMetaCache {</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @ClassRule</span> |
| <span class="source-line-no">070</span><span id="line-70"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">071</span><span id="line-71"> HBaseClassTestRule.forClass(TestMetaCache.class);</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">074</span><span id="line-74"> private static final TableName TABLE_NAME = TableName.valueOf("test_table");</span> |
| <span class="source-line-no">075</span><span id="line-75"> private static final byte[] FAMILY = Bytes.toBytes("fam1");</span> |
| <span class="source-line-no">076</span><span id="line-76"> private static final byte[] QUALIFIER = Bytes.toBytes("qual");</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 HRegionServer badRS;</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> private Connection conn;</span> |
| <span class="source-line-no">081</span><span id="line-81"> private MetricsConnection metrics;</span> |
| <span class="source-line-no">082</span><span id="line-82"> private AsyncRegionLocator locator;</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> @BeforeClass</span> |
| <span class="source-line-no">085</span><span id="line-85"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">086</span><span id="line-86"> Configuration conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">087</span><span id="line-87"> conf.setStrings(HConstants.REGION_SERVER_IMPL, RegionServerWithFakeRpcServices.class.getName());</span> |
| <span class="source-line-no">088</span><span id="line-88"> TEST_UTIL.startMiniCluster(1);</span> |
| <span class="source-line-no">089</span><span id="line-89"> TEST_UTIL.getHBaseCluster().waitForActiveAndReadyMaster();</span> |
| <span class="source-line-no">090</span><span id="line-90"> TEST_UTIL.waitUntilAllRegionsAssigned(TableName.META_TABLE_NAME);</span> |
| <span class="source-line-no">091</span><span id="line-91"> badRS = TEST_UTIL.getHBaseCluster().getRegionServer(0);</span> |
| <span class="source-line-no">092</span><span id="line-92"> assertTrue(badRS.getRSRpcServices() instanceof FakeRSRpcServices);</span> |
| <span class="source-line-no">093</span><span id="line-93"> TableDescriptor desc = TableDescriptorBuilder.newBuilder(TABLE_NAME)</span> |
| <span class="source-line-no">094</span><span id="line-94"> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).setMaxVersions(2).build())</span> |
| <span class="source-line-no">095</span><span id="line-95"> .build();</span> |
| <span class="source-line-no">096</span><span id="line-96"> TEST_UTIL.createTable(desc, null);</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"> @AfterClass</span> |
| <span class="source-line-no">100</span><span id="line-100"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">101</span><span id="line-101"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> @After</span> |
| <span class="source-line-no">105</span><span id="line-105"> public void tearDown() throws IOException {</span> |
| <span class="source-line-no">106</span><span id="line-106"> Closeables.close(conn, true);</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> private void setupConnection(int retry) throws IOException {</span> |
| <span class="source-line-no">110</span><span id="line-110"> Configuration conf = new Configuration(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">111</span><span id="line-111"> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, retry);</span> |
| <span class="source-line-no">112</span><span id="line-112"> conf.setBoolean(MetricsConnection.CLIENT_SIDE_METRICS_ENABLED_KEY, true);</span> |
| <span class="source-line-no">113</span><span id="line-113"> conn = ConnectionFactory.createConnection(conf);</span> |
| <span class="source-line-no">114</span><span id="line-114"> AsyncConnectionImpl asyncConn = (AsyncConnectionImpl) conn.toAsyncConnection();</span> |
| <span class="source-line-no">115</span><span id="line-115"> locator = asyncConn.getLocator();</span> |
| <span class="source-line-no">116</span><span id="line-116"> metrics = asyncConn.getConnectionMetrics().get();</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"> /**</span> |
| <span class="source-line-no">120</span><span id="line-120"> * Test that our cleanOverlappingRegions doesn't incorrectly remove regions from cache. Originally</span> |
| <span class="source-line-no">121</span><span id="line-121"> * encountered when using floorEntry rather than lowerEntry.</span> |
| <span class="source-line-no">122</span><span id="line-122"> */</span> |
| <span class="source-line-no">123</span><span id="line-123"> @Test</span> |
| <span class="source-line-no">124</span><span id="line-124"> public void testAddToCacheReverse() throws IOException, InterruptedException {</span> |
| <span class="source-line-no">125</span><span id="line-125"> setupConnection(1);</span> |
| <span class="source-line-no">126</span><span id="line-126"> TableName tableName = TableName.valueOf("testAddToCache");</span> |
| <span class="source-line-no">127</span><span id="line-127"> byte[] family = Bytes.toBytes("CF");</span> |
| <span class="source-line-no">128</span><span id="line-128"> TableDescriptor td = TableDescriptorBuilder.newBuilder(tableName)</span> |
| <span class="source-line-no">129</span><span id="line-129"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family)).build();</span> |
| <span class="source-line-no">130</span><span id="line-130"> int maxSplits = 10;</span> |
| <span class="source-line-no">131</span><span id="line-131"> List<byte[]> splits =</span> |
| <span class="source-line-no">132</span><span id="line-132"> IntStream.range(1, maxSplits).mapToObj(Bytes::toBytes).collect(Collectors.toList());</span> |
| <span class="source-line-no">133</span><span id="line-133"></span> |
| <span class="source-line-no">134</span><span id="line-134"> TEST_UTIL.getAdmin().createTable(td, splits.toArray(new byte[0][]));</span> |
| <span class="source-line-no">135</span><span id="line-135"> TEST_UTIL.waitTableAvailable(tableName);</span> |
| <span class="source-line-no">136</span><span id="line-136"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> assertEquals(splits.size() + 1, TEST_UTIL.getAdmin().getRegions(tableName).size());</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140"> RegionLocator locatorForTable = conn.getRegionLocator(tableName);</span> |
| <span class="source-line-no">141</span><span id="line-141"> for (int i = maxSplits; i >= 0; i--) {</span> |
| <span class="source-line-no">142</span><span id="line-142"> locatorForTable.getRegionLocation(Bytes.toBytes(i));</span> |
| <span class="source-line-no">143</span><span id="line-143"> }</span> |
| <span class="source-line-no">144</span><span id="line-144"></span> |
| <span class="source-line-no">145</span><span id="line-145"> for (int i = 0; i < maxSplits; i++) {</span> |
| <span class="source-line-no">146</span><span id="line-146"> assertNotNull(locator.getRegionLocationInCache(tableName, Bytes.toBytes(i)));</span> |
| <span class="source-line-no">147</span><span id="line-147"> }</span> |
| <span class="source-line-no">148</span><span id="line-148"> }</span> |
| <span class="source-line-no">149</span><span id="line-149"></span> |
| <span class="source-line-no">150</span><span id="line-150"> @Test</span> |
| <span class="source-line-no">151</span><span id="line-151"> public void testMergeEmptyWithMetaCache() throws Throwable {</span> |
| <span class="source-line-no">152</span><span id="line-152"> TableName tableName = TableName.valueOf("testMergeEmptyWithMetaCache");</span> |
| <span class="source-line-no">153</span><span id="line-153"> byte[] family = Bytes.toBytes("CF");</span> |
| <span class="source-line-no">154</span><span id="line-154"> TableDescriptor td = TableDescriptorBuilder.newBuilder(tableName)</span> |
| <span class="source-line-no">155</span><span id="line-155"> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(family)).build();</span> |
| <span class="source-line-no">156</span><span id="line-156"> TEST_UTIL.getAdmin().createTable(td, new byte[][] { Bytes.toBytes(2), Bytes.toBytes(5) });</span> |
| <span class="source-line-no">157</span><span id="line-157"> TEST_UTIL.waitTableAvailable(tableName);</span> |
| <span class="source-line-no">158</span><span id="line-158"> TEST_UTIL.waitUntilNoRegionsInTransition();</span> |
| <span class="source-line-no">159</span><span id="line-159"> RegionInfo regionA = null;</span> |
| <span class="source-line-no">160</span><span id="line-160"> RegionInfo regionB = null;</span> |
| <span class="source-line-no">161</span><span id="line-161"> RegionInfo regionC = null;</span> |
| <span class="source-line-no">162</span><span id="line-162"> for (RegionInfo region : TEST_UTIL.getAdmin().getRegions(tableName)) {</span> |
| <span class="source-line-no">163</span><span id="line-163"> if (region.getStartKey().length == 0) {</span> |
| <span class="source-line-no">164</span><span id="line-164"> regionA = region;</span> |
| <span class="source-line-no">165</span><span id="line-165"> } else if (Bytes.equals(region.getStartKey(), Bytes.toBytes(2))) {</span> |
| <span class="source-line-no">166</span><span id="line-166"> regionB = region;</span> |
| <span class="source-line-no">167</span><span id="line-167"> } else if (Bytes.equals(region.getStartKey(), Bytes.toBytes(5))) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> regionC = region;</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> }</span> |
| <span class="source-line-no">171</span><span id="line-171"></span> |
| <span class="source-line-no">172</span><span id="line-172"> assertNotNull(regionA);</span> |
| <span class="source-line-no">173</span><span id="line-173"> assertNotNull(regionB);</span> |
| <span class="source-line-no">174</span><span id="line-174"> assertNotNull(regionC);</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> TEST_UTIL.getConfiguration().setBoolean(MetricsConnection.CLIENT_SIDE_METRICS_ENABLED_KEY,</span> |
| <span class="source-line-no">177</span><span id="line-177"> true);</span> |
| <span class="source-line-no">178</span><span id="line-178"> try (AsyncConnection asyncConn =</span> |
| <span class="source-line-no">179</span><span id="line-179"> ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get()) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> AsyncConnectionImpl asyncConnImpl = (AsyncConnectionImpl) asyncConn;</span> |
| <span class="source-line-no">181</span><span id="line-181"></span> |
| <span class="source-line-no">182</span><span id="line-182"> MetricsConnection asyncMetrics = asyncConnImpl.getConnectionMetrics().get();</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> // warm meta cache</span> |
| <span class="source-line-no">185</span><span id="line-185"> asyncConn.getRegionLocator(tableName).getAllRegionLocations().get();</span> |
| <span class="source-line-no">186</span><span id="line-186"></span> |
| <span class="source-line-no">187</span><span id="line-187"> assertEquals(3, TEST_UTIL.getAdmin().getRegions(tableName).size());</span> |
| <span class="source-line-no">188</span><span id="line-188"></span> |
| <span class="source-line-no">189</span><span id="line-189"> // Merge the 3 regions into one</span> |
| <span class="source-line-no">190</span><span id="line-190"> TEST_UTIL.getAdmin().mergeRegionsAsync(</span> |
| <span class="source-line-no">191</span><span id="line-191"> new byte[][] { regionA.getRegionName(), regionB.getRegionName(), regionC.getRegionName() },</span> |
| <span class="source-line-no">192</span><span id="line-192"> false).get(30, TimeUnit.SECONDS);</span> |
| <span class="source-line-no">193</span><span id="line-193"></span> |
| <span class="source-line-no">194</span><span id="line-194"> assertEquals(1, TEST_UTIL.getAdmin().getRegions(tableName).size());</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> AsyncTable<?> asyncTable = asyncConn.getTable(tableName);</span> |
| <span class="source-line-no">197</span><span id="line-197"></span> |
| <span class="source-line-no">198</span><span id="line-198"> // This request should cause us to cache the newly merged region.</span> |
| <span class="source-line-no">199</span><span id="line-199"> // As part of caching that region, it should clear out any cached merge parent regions which</span> |
| <span class="source-line-no">200</span><span id="line-200"> // are overlapped by the new region. That way, subsequent calls below won't fall into the</span> |
| <span class="source-line-no">201</span><span id="line-201"> // bug in HBASE-27650. Otherwise, a request for row 6 would always get stuck on cached</span> |
| <span class="source-line-no">202</span><span id="line-202"> // regionB and we'd continue to see cache misses below.</span> |
| <span class="source-line-no">203</span><span id="line-203"> assertTrue(</span> |
| <span class="source-line-no">204</span><span id="line-204"> executeAndGetNewMisses(() -> asyncTable.get(new Get(Bytes.toBytes(6))).get(), asyncMetrics)</span> |
| <span class="source-line-no">205</span><span id="line-205"> > 0);</span> |
| <span class="source-line-no">206</span><span id="line-206"></span> |
| <span class="source-line-no">207</span><span id="line-207"> // We verify no new cache misses here due to above, which proves we've fixed up the cache</span> |
| <span class="source-line-no">208</span><span id="line-208"> assertEquals(0, executeAndGetNewMisses(() -> asyncTable.get(new Get(Bytes.toBytes(6))).get(),</span> |
| <span class="source-line-no">209</span><span id="line-209"> asyncMetrics));</span> |
| <span class="source-line-no">210</span><span id="line-210"> }</span> |
| <span class="source-line-no">211</span><span id="line-211"> }</span> |
| <span class="source-line-no">212</span><span id="line-212"></span> |
| <span class="source-line-no">213</span><span id="line-213"> private long executeAndGetNewMisses(ThrowingRunnable runnable, MetricsConnection metrics)</span> |
| <span class="source-line-no">214</span><span id="line-214"> throws Throwable {</span> |
| <span class="source-line-no">215</span><span id="line-215"> long lastVal = metrics.getMetaCacheMisses();</span> |
| <span class="source-line-no">216</span><span id="line-216"> runnable.run();</span> |
| <span class="source-line-no">217</span><span id="line-217"> long curVal = metrics.getMetaCacheMisses();</span> |
| <span class="source-line-no">218</span><span id="line-218"> return curVal - lastVal;</span> |
| <span class="source-line-no">219</span><span id="line-219"> }</span> |
| <span class="source-line-no">220</span><span id="line-220"></span> |
| <span class="source-line-no">221</span><span id="line-221"> @Test</span> |
| <span class="source-line-no">222</span><span id="line-222"> public void testPreserveMetaCacheOnException() throws Exception {</span> |
| <span class="source-line-no">223</span><span id="line-223"> ((FakeRSRpcServices) badRS.getRSRpcServices())</span> |
| <span class="source-line-no">224</span><span id="line-224"> .setExceptionInjector(new RoundRobinExceptionInjector());</span> |
| <span class="source-line-no">225</span><span id="line-225"> setupConnection(1);</span> |
| <span class="source-line-no">226</span><span id="line-226"> try (Table table = conn.getTable(TABLE_NAME)) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> byte[] row = Bytes.toBytes("row1");</span> |
| <span class="source-line-no">228</span><span id="line-228"></span> |
| <span class="source-line-no">229</span><span id="line-229"> Put put = new Put(row);</span> |
| <span class="source-line-no">230</span><span id="line-230"> put.addColumn(FAMILY, QUALIFIER, Bytes.toBytes(10));</span> |
| <span class="source-line-no">231</span><span id="line-231"> Get get = new Get(row);</span> |
| <span class="source-line-no">232</span><span id="line-232"> Append append = new Append(row);</span> |
| <span class="source-line-no">233</span><span id="line-233"> append.addColumn(FAMILY, QUALIFIER, Bytes.toBytes(11));</span> |
| <span class="source-line-no">234</span><span id="line-234"> Increment increment = new Increment(row);</span> |
| <span class="source-line-no">235</span><span id="line-235"> increment.addColumn(FAMILY, QUALIFIER, 10);</span> |
| <span class="source-line-no">236</span><span id="line-236"> Delete delete = new Delete(row);</span> |
| <span class="source-line-no">237</span><span id="line-237"> delete.addColumn(FAMILY, QUALIFIER);</span> |
| <span class="source-line-no">238</span><span id="line-238"> RowMutations mutations = new RowMutations(row);</span> |
| <span class="source-line-no">239</span><span id="line-239"> mutations.add(put);</span> |
| <span class="source-line-no">240</span><span id="line-240"> mutations.add(delete);</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> Exception exp;</span> |
| <span class="source-line-no">243</span><span id="line-243"> boolean success;</span> |
| <span class="source-line-no">244</span><span id="line-244"> for (int i = 0; i < 50; i++) {</span> |
| <span class="source-line-no">245</span><span id="line-245"> exp = null;</span> |
| <span class="source-line-no">246</span><span id="line-246"> success = false;</span> |
| <span class="source-line-no">247</span><span id="line-247"> try {</span> |
| <span class="source-line-no">248</span><span id="line-248"> table.put(put);</span> |
| <span class="source-line-no">249</span><span id="line-249"> // If at least one operation succeeded, we should have cached the region location.</span> |
| <span class="source-line-no">250</span><span id="line-250"> success = true;</span> |
| <span class="source-line-no">251</span><span id="line-251"> table.get(get);</span> |
| <span class="source-line-no">252</span><span id="line-252"> table.append(append);</span> |
| <span class="source-line-no">253</span><span id="line-253"> table.increment(increment);</span> |
| <span class="source-line-no">254</span><span id="line-254"> table.delete(delete);</span> |
| <span class="source-line-no">255</span><span id="line-255"> table.mutateRow(mutations);</span> |
| <span class="source-line-no">256</span><span id="line-256"> } catch (IOException ex) {</span> |
| <span class="source-line-no">257</span><span id="line-257"> // Only keep track of the last exception that updated the meta cache</span> |
| <span class="source-line-no">258</span><span id="line-258"> if (ClientExceptionsUtil.isMetaClearingException(ex) || success) {</span> |
| <span class="source-line-no">259</span><span id="line-259"> exp = ex;</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"> }</span> |
| <span class="source-line-no">262</span><span id="line-262"> // Do not test if we did not touch the meta cache in this iteration.</span> |
| <span class="source-line-no">263</span><span id="line-263"> if (exp != null && ClientExceptionsUtil.isMetaClearingException(exp)) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> assertNull(locator.getRegionLocationInCache(TABLE_NAME, row));</span> |
| <span class="source-line-no">265</span><span id="line-265"> } else if (success) {</span> |
| <span class="source-line-no">266</span><span id="line-266"> assertNotNull(locator.getRegionLocationInCache(TABLE_NAME, row));</span> |
| <span class="source-line-no">267</span><span id="line-267"> }</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"> }</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"> @Test</span> |
| <span class="source-line-no">273</span><span id="line-273"> public void testCacheClearingOnCallQueueTooBig() throws Exception {</span> |
| <span class="source-line-no">274</span><span id="line-274"> ((FakeRSRpcServices) badRS.getRSRpcServices())</span> |
| <span class="source-line-no">275</span><span id="line-275"> .setExceptionInjector(new CallQueueTooBigExceptionInjector());</span> |
| <span class="source-line-no">276</span><span id="line-276"> setupConnection(2);</span> |
| <span class="source-line-no">277</span><span id="line-277"> Table table = conn.getTable(TABLE_NAME);</span> |
| <span class="source-line-no">278</span><span id="line-278"> byte[] row = Bytes.toBytes("row1");</span> |
| <span class="source-line-no">279</span><span id="line-279"></span> |
| <span class="source-line-no">280</span><span id="line-280"> Put put = new Put(row);</span> |
| <span class="source-line-no">281</span><span id="line-281"> put.addColumn(FAMILY, QUALIFIER, Bytes.toBytes(10));</span> |
| <span class="source-line-no">282</span><span id="line-282"> table.put(put);</span> |
| <span class="source-line-no">283</span><span id="line-283"></span> |
| <span class="source-line-no">284</span><span id="line-284"> // obtain the client metrics</span> |
| <span class="source-line-no">285</span><span id="line-285"> long preGetRegionClears = metrics.getMetaCacheNumClearRegion().getCount();</span> |
| <span class="source-line-no">286</span><span id="line-286"> long preGetServerClears = metrics.getMetaCacheNumClearServer().getCount();</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> // attempt a get on the test table</span> |
| <span class="source-line-no">289</span><span id="line-289"> Get get = new Get(row);</span> |
| <span class="source-line-no">290</span><span id="line-290"> try {</span> |
| <span class="source-line-no">291</span><span id="line-291"> table.get(get);</span> |
| <span class="source-line-no">292</span><span id="line-292"> fail("Expected CallQueueTooBigException");</span> |
| <span class="source-line-no">293</span><span id="line-293"> } catch (RetriesExhaustedException ree) {</span> |
| <span class="source-line-no">294</span><span id="line-294"> // expected</span> |
| <span class="source-line-no">295</span><span id="line-295"> }</span> |
| <span class="source-line-no">296</span><span id="line-296"></span> |
| <span class="source-line-no">297</span><span id="line-297"> // verify that no cache clearing took place</span> |
| <span class="source-line-no">298</span><span id="line-298"> long postGetRegionClears = metrics.getMetaCacheNumClearRegion().getCount();</span> |
| <span class="source-line-no">299</span><span id="line-299"> long postGetServerClears = metrics.getMetaCacheNumClearServer().getCount();</span> |
| <span class="source-line-no">300</span><span id="line-300"> assertEquals(preGetRegionClears, postGetRegionClears);</span> |
| <span class="source-line-no">301</span><span id="line-301"> assertEquals(preGetServerClears, postGetServerClears);</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"> public static List<Throwable> metaCachePreservingExceptions() {</span> |
| <span class="source-line-no">305</span><span id="line-305"> return Arrays.asList(new RegionOpeningException(" "),</span> |
| <span class="source-line-no">306</span><span id="line-306"> new RegionTooBusyException("Some old message"), new RpcThrottlingException(" "),</span> |
| <span class="source-line-no">307</span><span id="line-307"> new MultiActionResultTooLarge(" "), new RetryImmediatelyException(" "),</span> |
| <span class="source-line-no">308</span><span id="line-308"> new CallQueueTooBigException());</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"> public static class RegionServerWithFakeRpcServices extends HRegionServer {</span> |
| <span class="source-line-no">312</span><span id="line-312"> private FakeRSRpcServices rsRpcServices;</span> |
| <span class="source-line-no">313</span><span id="line-313"></span> |
| <span class="source-line-no">314</span><span id="line-314"> public RegionServerWithFakeRpcServices(Configuration conf)</span> |
| <span class="source-line-no">315</span><span id="line-315"> throws IOException, InterruptedException {</span> |
| <span class="source-line-no">316</span><span id="line-316"> super(conf);</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"></span> |
| <span class="source-line-no">319</span><span id="line-319"> @Override</span> |
| <span class="source-line-no">320</span><span id="line-320"> protected RSRpcServices createRpcServices() throws IOException {</span> |
| <span class="source-line-no">321</span><span id="line-321"> this.rsRpcServices = new FakeRSRpcServices(this);</span> |
| <span class="source-line-no">322</span><span id="line-322"> return rsRpcServices;</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"> public void setExceptionInjector(ExceptionInjector injector) {</span> |
| <span class="source-line-no">326</span><span id="line-326"> rsRpcServices.setExceptionInjector(injector);</span> |
| <span class="source-line-no">327</span><span id="line-327"> }</span> |
| <span class="source-line-no">328</span><span id="line-328"> }</span> |
| <span class="source-line-no">329</span><span id="line-329"></span> |
| <span class="source-line-no">330</span><span id="line-330"> public static class FakeRSRpcServices extends RSRpcServices {</span> |
| <span class="source-line-no">331</span><span id="line-331"></span> |
| <span class="source-line-no">332</span><span id="line-332"> private ExceptionInjector exceptions;</span> |
| <span class="source-line-no">333</span><span id="line-333"></span> |
| <span class="source-line-no">334</span><span id="line-334"> public FakeRSRpcServices(HRegionServer rs) throws IOException {</span> |
| <span class="source-line-no">335</span><span id="line-335"> super(rs);</span> |
| <span class="source-line-no">336</span><span id="line-336"> exceptions = new RoundRobinExceptionInjector();</span> |
| <span class="source-line-no">337</span><span id="line-337"> }</span> |
| <span class="source-line-no">338</span><span id="line-338"></span> |
| <span class="source-line-no">339</span><span id="line-339"> public void setExceptionInjector(ExceptionInjector injector) {</span> |
| <span class="source-line-no">340</span><span id="line-340"> this.exceptions = injector;</span> |
| <span class="source-line-no">341</span><span id="line-341"> }</span> |
| <span class="source-line-no">342</span><span id="line-342"></span> |
| <span class="source-line-no">343</span><span id="line-343"> @Override</span> |
| <span class="source-line-no">344</span><span id="line-344"> public GetResponse get(final RpcController controller, final ClientProtos.GetRequest request)</span> |
| <span class="source-line-no">345</span><span id="line-345"> throws ServiceException {</span> |
| <span class="source-line-no">346</span><span id="line-346"> exceptions.throwOnGet(this, request);</span> |
| <span class="source-line-no">347</span><span id="line-347"> return super.get(controller, request);</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"> @Override</span> |
| <span class="source-line-no">351</span><span id="line-351"> public ClientProtos.MutateResponse mutate(final RpcController controller,</span> |
| <span class="source-line-no">352</span><span id="line-352"> final ClientProtos.MutateRequest request) throws ServiceException {</span> |
| <span class="source-line-no">353</span><span id="line-353"> exceptions.throwOnMutate(this, request);</span> |
| <span class="source-line-no">354</span><span id="line-354"> return super.mutate(controller, request);</span> |
| <span class="source-line-no">355</span><span id="line-355"> }</span> |
| <span class="source-line-no">356</span><span id="line-356"></span> |
| <span class="source-line-no">357</span><span id="line-357"> @Override</span> |
| <span class="source-line-no">358</span><span id="line-358"> public ClientProtos.ScanResponse scan(final RpcController controller,</span> |
| <span class="source-line-no">359</span><span id="line-359"> final ClientProtos.ScanRequest request) throws ServiceException {</span> |
| <span class="source-line-no">360</span><span id="line-360"> exceptions.throwOnScan(this, request);</span> |
| <span class="source-line-no">361</span><span id="line-361"> return super.scan(controller, request);</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"> public static abstract class ExceptionInjector {</span> |
| <span class="source-line-no">366</span><span id="line-366"> protected boolean isTestTable(FakeRSRpcServices rpcServices,</span> |
| <span class="source-line-no">367</span><span id="line-367"> HBaseProtos.RegionSpecifier regionSpec) throws ServiceException {</span> |
| <span class="source-line-no">368</span><span id="line-368"> try {</span> |
| <span class="source-line-no">369</span><span id="line-369"> return TABLE_NAME</span> |
| <span class="source-line-no">370</span><span id="line-370"> .equals(rpcServices.getRegion(regionSpec).getTableDescriptor().getTableName());</span> |
| <span class="source-line-no">371</span><span id="line-371"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> throw new ServiceException(ioe);</span> |
| <span class="source-line-no">373</span><span id="line-373"> }</span> |
| <span class="source-line-no">374</span><span id="line-374"> }</span> |
| <span class="source-line-no">375</span><span id="line-375"></span> |
| <span class="source-line-no">376</span><span id="line-376"> public abstract void throwOnGet(FakeRSRpcServices rpcServices, ClientProtos.GetRequest request)</span> |
| <span class="source-line-no">377</span><span id="line-377"> throws ServiceException;</span> |
| <span class="source-line-no">378</span><span id="line-378"></span> |
| <span class="source-line-no">379</span><span id="line-379"> public abstract void throwOnMutate(FakeRSRpcServices rpcServices,</span> |
| <span class="source-line-no">380</span><span id="line-380"> ClientProtos.MutateRequest request) throws ServiceException;</span> |
| <span class="source-line-no">381</span><span id="line-381"></span> |
| <span class="source-line-no">382</span><span id="line-382"> public abstract void throwOnScan(FakeRSRpcServices rpcServices,</span> |
| <span class="source-line-no">383</span><span id="line-383"> ClientProtos.ScanRequest request) throws ServiceException;</span> |
| <span class="source-line-no">384</span><span id="line-384"> }</span> |
| <span class="source-line-no">385</span><span id="line-385"></span> |
| <span class="source-line-no">386</span><span id="line-386"> /**</span> |
| <span class="source-line-no">387</span><span id="line-387"> * Rotates through the possible cache clearing and non-cache clearing exceptions for requests.</span> |
| <span class="source-line-no">388</span><span id="line-388"> */</span> |
| <span class="source-line-no">389</span><span id="line-389"> public static class RoundRobinExceptionInjector extends ExceptionInjector {</span> |
| <span class="source-line-no">390</span><span id="line-390"> private int numReqs = -1;</span> |
| <span class="source-line-no">391</span><span id="line-391"> private int expCount = -1;</span> |
| <span class="source-line-no">392</span><span id="line-392"> private List<Throwable> metaCachePreservingExceptions = metaCachePreservingExceptions();</span> |
| <span class="source-line-no">393</span><span id="line-393"></span> |
| <span class="source-line-no">394</span><span id="line-394"> @Override</span> |
| <span class="source-line-no">395</span><span id="line-395"> public void throwOnGet(FakeRSRpcServices rpcServices, ClientProtos.GetRequest request)</span> |
| <span class="source-line-no">396</span><span id="line-396"> throws ServiceException {</span> |
| <span class="source-line-no">397</span><span id="line-397"> throwSomeExceptions(rpcServices, request.getRegion());</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"> @Override</span> |
| <span class="source-line-no">401</span><span id="line-401"> public void throwOnMutate(FakeRSRpcServices rpcServices, ClientProtos.MutateRequest request)</span> |
| <span class="source-line-no">402</span><span id="line-402"> throws ServiceException {</span> |
| <span class="source-line-no">403</span><span id="line-403"> throwSomeExceptions(rpcServices, request.getRegion());</span> |
| <span class="source-line-no">404</span><span id="line-404"> }</span> |
| <span class="source-line-no">405</span><span id="line-405"></span> |
| <span class="source-line-no">406</span><span id="line-406"> @Override</span> |
| <span class="source-line-no">407</span><span id="line-407"> public void throwOnScan(FakeRSRpcServices rpcServices, ClientProtos.ScanRequest request)</span> |
| <span class="source-line-no">408</span><span id="line-408"> throws ServiceException {</span> |
| <span class="source-line-no">409</span><span id="line-409"> if (!request.hasScannerId()) {</span> |
| <span class="source-line-no">410</span><span id="line-410"> // only handle initial scan requests</span> |
| <span class="source-line-no">411</span><span id="line-411"> throwSomeExceptions(rpcServices, request.getRegion());</span> |
| <span class="source-line-no">412</span><span id="line-412"> }</span> |
| <span class="source-line-no">413</span><span id="line-413"> }</span> |
| <span class="source-line-no">414</span><span id="line-414"></span> |
| <span class="source-line-no">415</span><span id="line-415"> /**</span> |
| <span class="source-line-no">416</span><span id="line-416"> * Throw some exceptions. Mostly throw exceptions which do not clear meta cache. Periodically</span> |
| <span class="source-line-no">417</span><span id="line-417"> * throw NotSevingRegionException which clears the meta cache.</span> |
| <span class="source-line-no">418</span><span id="line-418"> */</span> |
| <span class="source-line-no">419</span><span id="line-419"> private void throwSomeExceptions(FakeRSRpcServices rpcServices,</span> |
| <span class="source-line-no">420</span><span id="line-420"> HBaseProtos.RegionSpecifier regionSpec) throws ServiceException {</span> |
| <span class="source-line-no">421</span><span id="line-421"> if (!isTestTable(rpcServices, regionSpec)) {</span> |
| <span class="source-line-no">422</span><span id="line-422"> return;</span> |
| <span class="source-line-no">423</span><span id="line-423"> }</span> |
| <span class="source-line-no">424</span><span id="line-424"></span> |
| <span class="source-line-no">425</span><span id="line-425"> numReqs++;</span> |
| <span class="source-line-no">426</span><span id="line-426"> // Succeed every 5 request, throw cache clearing exceptions twice every 5 requests and throw</span> |
| <span class="source-line-no">427</span><span id="line-427"> // meta cache preserving exceptions otherwise.</span> |
| <span class="source-line-no">428</span><span id="line-428"> if (numReqs % 5 == 0) {</span> |
| <span class="source-line-no">429</span><span id="line-429"> return;</span> |
| <span class="source-line-no">430</span><span id="line-430"> } else if (numReqs % 5 == 1 || numReqs % 5 == 2) {</span> |
| <span class="source-line-no">431</span><span id="line-431"> throw new ServiceException(new NotServingRegionException());</span> |
| <span class="source-line-no">432</span><span id="line-432"> }</span> |
| <span class="source-line-no">433</span><span id="line-433"> // Round robin between different special exceptions.</span> |
| <span class="source-line-no">434</span><span id="line-434"> // This is not ideal since exception types are not tied to the operation performed here,</span> |
| <span class="source-line-no">435</span><span id="line-435"> // But, we don't really care here if we throw MultiActionTooLargeException while doing</span> |
| <span class="source-line-no">436</span><span id="line-436"> // single Gets.</span> |
| <span class="source-line-no">437</span><span id="line-437"> expCount++;</span> |
| <span class="source-line-no">438</span><span id="line-438"> Throwable t =</span> |
| <span class="source-line-no">439</span><span id="line-439"> metaCachePreservingExceptions.get(expCount % metaCachePreservingExceptions.size());</span> |
| <span class="source-line-no">440</span><span id="line-440"> throw new ServiceException(t);</span> |
| <span class="source-line-no">441</span><span id="line-441"> }</span> |
| <span class="source-line-no">442</span><span id="line-442"> }</span> |
| <span class="source-line-no">443</span><span id="line-443"></span> |
| <span class="source-line-no">444</span><span id="line-444"> /**</span> |
| <span class="source-line-no">445</span><span id="line-445"> * Throws CallQueueTooBigException for all gets.</span> |
| <span class="source-line-no">446</span><span id="line-446"> */</span> |
| <span class="source-line-no">447</span><span id="line-447"> public static class CallQueueTooBigExceptionInjector extends ExceptionInjector {</span> |
| <span class="source-line-no">448</span><span id="line-448"> @Override</span> |
| <span class="source-line-no">449</span><span id="line-449"> public void throwOnGet(FakeRSRpcServices rpcServices, ClientProtos.GetRequest request)</span> |
| <span class="source-line-no">450</span><span id="line-450"> throws ServiceException {</span> |
| <span class="source-line-no">451</span><span id="line-451"> if (isTestTable(rpcServices, request.getRegion())) {</span> |
| <span class="source-line-no">452</span><span id="line-452"> throw new ServiceException(new CallQueueTooBigException());</span> |
| <span class="source-line-no">453</span><span id="line-453"> }</span> |
| <span class="source-line-no">454</span><span id="line-454"> }</span> |
| <span class="source-line-no">455</span><span id="line-455"></span> |
| <span class="source-line-no">456</span><span id="line-456"> @Override</span> |
| <span class="source-line-no">457</span><span id="line-457"> public void throwOnMutate(FakeRSRpcServices rpcServices, ClientProtos.MutateRequest request)</span> |
| <span class="source-line-no">458</span><span id="line-458"> throws ServiceException {</span> |
| <span class="source-line-no">459</span><span id="line-459"> }</span> |
| <span class="source-line-no">460</span><span id="line-460"></span> |
| <span class="source-line-no">461</span><span id="line-461"> @Override</span> |
| <span class="source-line-no">462</span><span id="line-462"> public void throwOnScan(FakeRSRpcServices rpcServices, ClientProtos.ScanRequest request)</span> |
| <span class="source-line-no">463</span><span id="line-463"> throws ServiceException {</span> |
| <span class="source-line-no">464</span><span id="line-464"> }</span> |
| <span class="source-line-no">465</span><span id="line-465"> }</span> |
| <span class="source-line-no">466</span><span id="line-466">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
