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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.replication;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.fail;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.io.IOException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.MiniHBaseCluster;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Waiter;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.Get;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Put;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.Result;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.testclassification.ReplicationTests;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.junit.Before;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.junit.ClassRule;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.junit.Test;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.junit.experimental.categories.Category;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.junit.runner.RunWith;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.junit.runners.Parameterized;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.runners.Parameterized.Parameter;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.runners.Parameterized.Parameters;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.slf4j.Logger;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.slf4j.LoggerFactory;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>/**<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * Test handling of changes to the number of a peer's regionservers.<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> */<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>@RunWith(Parameterized.class)<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>@Category({ ReplicationTests.class, LargeTests.class })<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>public class TestReplicationChangingPeerRegionservers extends TestReplicationBase {<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> @ClassRule<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> HBaseClassTestRule.forClass(TestReplicationChangingPeerRegionservers.class);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private static final Logger LOG =<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> LoggerFactory.getLogger(TestReplicationChangingPeerRegionservers.class);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> @SuppressWarnings("checkstyle:VisibilityModifier") @Parameter(0)<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> public boolean serialPeer;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @Parameter(1)<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public boolean syncPeer;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> @Override<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> protected boolean isSerialPeer() {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> return serialPeer;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> }<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> @Override<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> protected boolean isSyncPeer() {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> return syncPeer;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> @Parameters(name = "{index}: serialPeer={0}, syncPeer={1}")<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public static List<Object[]> parameters() {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return ImmutableList.of(new Object[] { false, false }, new Object[] { false, true },<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> new Object[] { true, false }, new Object[] { true, true });<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> @Before<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public void setUp() throws Exception {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // Starting and stopping replication can make us miss new logs,<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> // rolling like this makes sure the most recent one gets added to the queue<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> for (JVMClusterUtil.RegionServerThread r : UTIL1.getHBaseCluster()<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> .getRegionServerThreads()) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> UTIL1.getAdmin().rollWALWriter(r.getRegionServer().getServerName());<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> UTIL1.deleteTableData(tableName);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> // truncating the table will send one Delete per row to the slave cluster<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> // in an async fashion, which is why we cannot just call deleteTableData on<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> // utility2 since late writes could make it to the slave in some way.<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> // Instead, we truncate the first table and wait for all the Deletes to<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> // make it to the slave.<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> Scan scan = new Scan();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> int lastCount = 0;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> for (int i = 0; i < NB_RETRIES; i++) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> if (i == NB_RETRIES - 1) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> fail("Waited too much time for truncate");<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> ResultScanner scanner = htable2.getScanner(scan);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> Result[] res = scanner.next(NB_ROWS_IN_BIG_BATCH);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> scanner.close();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> if (res.length != 0) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> if (res.length < lastCount) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> i--; // Don't increment timeout if we make progress<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> lastCount = res.length;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> LOG.info("Still got " + res.length + " rows");<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> Thread.sleep(SLEEP_TIME);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> } else {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> break;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> @Test<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public void testChangingNumberOfPeerRegionServers() throws IOException, InterruptedException {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> LOG.info("testSimplePutDelete");<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> MiniHBaseCluster peerCluster = UTIL2.getMiniHBaseCluster();<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> // This test wants two RS's up. We only run one generally so add one.<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> peerCluster.startRegionServer();<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> Waiter.waitFor(peerCluster.getConfiguration(), 30000, new Waiter.Predicate<Exception>() {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> @Override public boolean evaluate() throws Exception {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return peerCluster.getLiveRegionServerThreads().size() > 1;<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> });<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> int numRS = peerCluster.getRegionServerThreads().size();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> doPutTest(Bytes.toBytes(1));<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> int rsToStop = peerCluster.getServerWithMeta() == 0 ? 1 : 0;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> peerCluster.stopRegionServer(rsToStop);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> peerCluster.waitOnRegionServer(rsToStop);<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> // Sanity check<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> assertEquals(numRS - 1, peerCluster.getRegionServerThreads().size());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> doPutTest(Bytes.toBytes(2));<a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> peerCluster.startRegionServer();<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> // Sanity check<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> assertEquals(numRS, peerCluster.getRegionServerThreads().size());<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> doPutTest(Bytes.toBytes(3));<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> private void doPutTest(byte[] row) throws IOException, InterruptedException {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> Put put = new Put(row);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> put.addColumn(famName, row, row);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> if (htable1 == null) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> htable1 = UTIL1.getConnection().getTable(tableName);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> htable1.put(put);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> Get get = new Get(row);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> for (int i = 0; i < NB_RETRIES; i++) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> if (i == NB_RETRIES - 1) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> fail("Waited too much time for put replication");<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> Result res = htable2.get(get);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> if (res.isEmpty()) {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> LOG.info("Row not available");<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> Thread.sleep(SLEEP_TIME);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> } else {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> assertArrayEquals(res.value(), row);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> break;<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span>}<a name="line.178"></a> |
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