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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.assertNotEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.ArrayList;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.testclassification.ClientTests;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.junit.AfterClass;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.junit.ClassRule;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.junit.Test;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">037</span><span id="line-37"></span> |
| <span class="source-line-no">038</span><span id="line-38">@Category({ MediumTests.class, ClientTests.class })</span> |
| <span class="source-line-no">039</span><span id="line-39">public class TestRegionLocationCaching {</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41"> @ClassRule</span> |
| <span class="source-line-no">042</span><span id="line-42"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">043</span><span id="line-43"> HBaseClassTestRule.forClass(TestRegionLocationCaching.class);</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45"> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">046</span><span id="line-46"> private static int SLAVES = 1;</span> |
| <span class="source-line-no">047</span><span id="line-47"> private static TableName TABLE_NAME = TableName.valueOf("TestRegionLocationCaching");</span> |
| <span class="source-line-no">048</span><span id="line-48"> private static byte[] FAMILY = Bytes.toBytes("testFamily");</span> |
| <span class="source-line-no">049</span><span id="line-49"> private static byte[] QUALIFIER = Bytes.toBytes("testQualifier");</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> @BeforeClass</span> |
| <span class="source-line-no">052</span><span id="line-52"> public static void setUpBeforeClass() throws Exception {</span> |
| <span class="source-line-no">053</span><span id="line-53"> TEST_UTIL.startMiniCluster(SLAVES);</span> |
| <span class="source-line-no">054</span><span id="line-54"> TEST_UTIL.createTable(TABLE_NAME, new byte[][] { FAMILY });</span> |
| <span class="source-line-no">055</span><span id="line-55"> TEST_UTIL.waitUntilAllRegionsAssigned(TABLE_NAME);</span> |
| <span class="source-line-no">056</span><span id="line-56"> }</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> @AfterClass</span> |
| <span class="source-line-no">059</span><span id="line-59"> public static void tearDownAfterClass() throws Exception {</span> |
| <span class="source-line-no">060</span><span id="line-60"> TEST_UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">061</span><span id="line-61"> }</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @Test</span> |
| <span class="source-line-no">064</span><span id="line-64"> public void testCachingForHTableSinglePut() throws Exception {</span> |
| <span class="source-line-no">065</span><span id="line-65"> byte[] row = Bytes.toBytes("htable_single_put");</span> |
| <span class="source-line-no">066</span><span id="line-66"> byte[] value = Bytes.toBytes("value");</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> Put put = new Put(row);</span> |
| <span class="source-line-no">069</span><span id="line-69"> put.addColumn(FAMILY, QUALIFIER, value);</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> try (Table table = TEST_UTIL.getConnection().getTable(TABLE_NAME)) {</span> |
| <span class="source-line-no">072</span><span id="line-72"> table.put(put);</span> |
| <span class="source-line-no">073</span><span id="line-73"> }</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> checkRegionLocationIsCached(TABLE_NAME, TEST_UTIL.getConnection());</span> |
| <span class="source-line-no">076</span><span id="line-76"> checkExistence(TABLE_NAME, row, FAMILY, QUALIFIER);</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> @Test</span> |
| <span class="source-line-no">080</span><span id="line-80"> public void testCachingForHTableMultiPut() throws Exception {</span> |
| <span class="source-line-no">081</span><span id="line-81"> List<Put> multiput = new ArrayList<Put>();</span> |
| <span class="source-line-no">082</span><span id="line-82"> for (int i = 0; i < 10; i++) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> Put put = new Put(Bytes.toBytes("htable_multi_put" + i));</span> |
| <span class="source-line-no">084</span><span id="line-84"> byte[] value = Bytes.toBytes("value_" + i);</span> |
| <span class="source-line-no">085</span><span id="line-85"> put.addColumn(FAMILY, QUALIFIER, value);</span> |
| <span class="source-line-no">086</span><span id="line-86"> multiput.add(put);</span> |
| <span class="source-line-no">087</span><span id="line-87"> }</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> try (Table table = TEST_UTIL.getConnection().getTable(TABLE_NAME)) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> table.put(multiput);</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"> checkRegionLocationIsCached(TABLE_NAME, TEST_UTIL.getConnection());</span> |
| <span class="source-line-no">093</span><span id="line-93"> for (int i = 0; i < 10; i++) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> checkExistence(TABLE_NAME, Bytes.toBytes("htable_multi_put" + i), FAMILY, QUALIFIER);</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> /**</span> |
| <span class="source-line-no">099</span><span id="line-99"> * Method to check whether the cached region location is non-empty for the given table. It repeats</span> |
| <span class="source-line-no">100</span><span id="line-100"> * the same check several times as clearing of cache by some async operations may not reflect</span> |
| <span class="source-line-no">101</span><span id="line-101"> * immediately.</span> |
| <span class="source-line-no">102</span><span id="line-102"> */</span> |
| <span class="source-line-no">103</span><span id="line-103"> private void checkRegionLocationIsCached(final TableName tableName, final Connection conn)</span> |
| <span class="source-line-no">104</span><span id="line-104"> throws InterruptedException, IOException {</span> |
| <span class="source-line-no">105</span><span id="line-105"> for (int count = 0; count < 50; count++) {</span> |
| <span class="source-line-no">106</span><span id="line-106"> int number = ((AsyncConnectionImpl) conn.toAsyncConnection()).getLocator()</span> |
| <span class="source-line-no">107</span><span id="line-107"> .getNumberOfCachedRegionLocations(tableName);</span> |
| <span class="source-line-no">108</span><span id="line-108"> assertNotEquals("Expected non-zero number of cached region locations", 0, number);</span> |
| <span class="source-line-no">109</span><span id="line-109"> Thread.sleep(100);</span> |
| <span class="source-line-no">110</span><span id="line-110"> }</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"> /**</span> |
| <span class="source-line-no">114</span><span id="line-114"> * Method to check whether the passed row exists in the given table</span> |
| <span class="source-line-no">115</span><span id="line-115"> */</span> |
| <span class="source-line-no">116</span><span id="line-116"> private static void checkExistence(final TableName tableName, final byte[] row,</span> |
| <span class="source-line-no">117</span><span id="line-117"> final byte[] family, final byte[] qualifier) throws Exception {</span> |
| <span class="source-line-no">118</span><span id="line-118"> // verify that the row exists</span> |
| <span class="source-line-no">119</span><span id="line-119"> Result r;</span> |
| <span class="source-line-no">120</span><span id="line-120"> Get get = new Get(row);</span> |
| <span class="source-line-no">121</span><span id="line-121"> get.addColumn(family, qualifier);</span> |
| <span class="source-line-no">122</span><span id="line-122"> int nbTry = 0;</span> |
| <span class="source-line-no">123</span><span id="line-123"> try (Table table = TEST_UTIL.getConnection().getTable(tableName)) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> do {</span> |
| <span class="source-line-no">125</span><span id="line-125"> assertTrue("Failed to get row after " + nbTry + " tries", nbTry < 50);</span> |
| <span class="source-line-no">126</span><span id="line-126"> nbTry++;</span> |
| <span class="source-line-no">127</span><span id="line-127"> Thread.sleep(100);</span> |
| <span class="source-line-no">128</span><span id="line-128"> r = table.get(get);</span> |
| <span class="source-line-no">129</span><span id="line-129"> } while (r == null || r.getValue(family, qualifier) == null);</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132">}</span> |
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| </pre> |
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