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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.hamcrest.CoreMatchers.hasItems;<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.assertThat;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.Arrays;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.Collections;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.Set;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.SortedSet;<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HBaseZKTestingUtility;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.ServerName;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.ReplicationTests;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.MD5Hash;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.zookeeper.KeeperException;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.junit.After;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.junit.AfterClass;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.junit.BeforeClass;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.junit.ClassRule;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.junit.Test;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.junit.experimental.categories.Category;<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableMap;<a name="line.51"></a>
<span class="sourceLineNo">052</span><a name="line.52"></a>
<span class="sourceLineNo">053</span>@Category({ ReplicationTests.class, MediumTests.class })<a name="line.53"></a>
<span class="sourceLineNo">054</span>public class TestZKReplicationQueueStorage {<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(TestZKReplicationQueueStorage.class);<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span> private static final HBaseZKTestingUtility UTIL = new HBaseZKTestingUtility();<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span> private static ZKReplicationQueueStorage STORAGE;<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span> @BeforeClass<a name="line.64"></a>
<span class="sourceLineNo">065</span> public static void setUp() throws Exception {<a name="line.65"></a>
<span class="sourceLineNo">066</span> UTIL.startMiniZKCluster();<a name="line.66"></a>
<span class="sourceLineNo">067</span> STORAGE = new ZKReplicationQueueStorage(UTIL.getZooKeeperWatcher(), UTIL.getConfiguration());<a name="line.67"></a>
<span class="sourceLineNo">068</span> }<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span> @AfterClass<a name="line.70"></a>
<span class="sourceLineNo">071</span> public static void tearDown() throws IOException {<a name="line.71"></a>
<span class="sourceLineNo">072</span> UTIL.shutdownMiniZKCluster();<a name="line.72"></a>
<span class="sourceLineNo">073</span> }<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> @After<a name="line.75"></a>
<span class="sourceLineNo">076</span> public void tearDownAfterTest() throws ReplicationException, KeeperException, IOException {<a name="line.76"></a>
<span class="sourceLineNo">077</span> for (ServerName serverName : STORAGE.getListOfReplicators()) {<a name="line.77"></a>
<span class="sourceLineNo">078</span> for (String queue : STORAGE.getAllQueues(serverName)) {<a name="line.78"></a>
<span class="sourceLineNo">079</span> STORAGE.removeQueue(serverName, queue);<a name="line.79"></a>
<span class="sourceLineNo">080</span> }<a name="line.80"></a>
<span class="sourceLineNo">081</span> STORAGE.removeReplicatorIfQueueIsEmpty(serverName);<a name="line.81"></a>
<span class="sourceLineNo">082</span> }<a name="line.82"></a>
<span class="sourceLineNo">083</span> for (String peerId : STORAGE.getAllPeersFromHFileRefsQueue()) {<a name="line.83"></a>
<span class="sourceLineNo">084</span> STORAGE.removePeerFromHFileRefs(peerId);<a name="line.84"></a>
<span class="sourceLineNo">085</span> }<a name="line.85"></a>
<span class="sourceLineNo">086</span> }<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> private ServerName getServerName(int i) {<a name="line.88"></a>
<span class="sourceLineNo">089</span> return ServerName.valueOf("127.0.0.1", 8000 + i, 10000 + i);<a name="line.89"></a>
<span class="sourceLineNo">090</span> }<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span> @Test<a name="line.92"></a>
<span class="sourceLineNo">093</span> public void testReplicator() throws ReplicationException {<a name="line.93"></a>
<span class="sourceLineNo">094</span> assertTrue(STORAGE.getListOfReplicators().isEmpty());<a name="line.94"></a>
<span class="sourceLineNo">095</span> String queueId = "1";<a name="line.95"></a>
<span class="sourceLineNo">096</span> for (int i = 0; i &lt; 10; i++) {<a name="line.96"></a>
<span class="sourceLineNo">097</span> STORAGE.addWAL(getServerName(i), queueId, "file" + i);<a name="line.97"></a>
<span class="sourceLineNo">098</span> }<a name="line.98"></a>
<span class="sourceLineNo">099</span> List&lt;ServerName&gt; replicators = STORAGE.getListOfReplicators();<a name="line.99"></a>
<span class="sourceLineNo">100</span> assertEquals(10, replicators.size());<a name="line.100"></a>
<span class="sourceLineNo">101</span> for (int i = 0; i &lt; 10; i++) {<a name="line.101"></a>
<span class="sourceLineNo">102</span> assertThat(replicators, hasItems(getServerName(i)));<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
<span class="sourceLineNo">104</span> for (int i = 0; i &lt; 5; i++) {<a name="line.104"></a>
<span class="sourceLineNo">105</span> STORAGE.removeQueue(getServerName(i), queueId);<a name="line.105"></a>
<span class="sourceLineNo">106</span> }<a name="line.106"></a>
<span class="sourceLineNo">107</span> for (int i = 0; i &lt; 10; i++) {<a name="line.107"></a>
<span class="sourceLineNo">108</span> STORAGE.removeReplicatorIfQueueIsEmpty(getServerName(i));<a name="line.108"></a>
<span class="sourceLineNo">109</span> }<a name="line.109"></a>
<span class="sourceLineNo">110</span> replicators = STORAGE.getListOfReplicators();<a name="line.110"></a>
<span class="sourceLineNo">111</span> assertEquals(5, replicators.size());<a name="line.111"></a>
<span class="sourceLineNo">112</span> for (int i = 5; i &lt; 10; i++) {<a name="line.112"></a>
<span class="sourceLineNo">113</span> assertThat(replicators, hasItems(getServerName(i)));<a name="line.113"></a>
<span class="sourceLineNo">114</span> }<a name="line.114"></a>
<span class="sourceLineNo">115</span> }<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span> private String getFileName(String base, int i) {<a name="line.117"></a>
<span class="sourceLineNo">118</span> return String.format(base + "-%04d", i);<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 testAddRemoveLog() throws ReplicationException {<a name="line.122"></a>
<span class="sourceLineNo">123</span> ServerName serverName1 = ServerName.valueOf("127.0.0.1", 8000, 10000);<a name="line.123"></a>
<span class="sourceLineNo">124</span> assertTrue(STORAGE.getAllQueues(serverName1).isEmpty());<a name="line.124"></a>
<span class="sourceLineNo">125</span> String queue1 = "1";<a name="line.125"></a>
<span class="sourceLineNo">126</span> String queue2 = "2";<a name="line.126"></a>
<span class="sourceLineNo">127</span> for (int i = 0; i &lt; 10; i++) {<a name="line.127"></a>
<span class="sourceLineNo">128</span> STORAGE.addWAL(serverName1, queue1, getFileName("file1", i));<a name="line.128"></a>
<span class="sourceLineNo">129</span> STORAGE.addWAL(serverName1, queue2, getFileName("file2", i));<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span> List&lt;String&gt; queueIds = STORAGE.getAllQueues(serverName1);<a name="line.131"></a>
<span class="sourceLineNo">132</span> assertEquals(2, queueIds.size());<a name="line.132"></a>
<span class="sourceLineNo">133</span> assertThat(queueIds, hasItems("1", "2"));<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span> List&lt;String&gt; wals1 = STORAGE.getWALsInQueue(serverName1, queue1);<a name="line.135"></a>
<span class="sourceLineNo">136</span> List&lt;String&gt; wals2 = STORAGE.getWALsInQueue(serverName1, queue2);<a name="line.136"></a>
<span class="sourceLineNo">137</span> assertEquals(10, wals1.size());<a name="line.137"></a>
<span class="sourceLineNo">138</span> assertEquals(10, wals2.size());<a name="line.138"></a>
<span class="sourceLineNo">139</span> for (int i = 0; i &lt; 10; i++) {<a name="line.139"></a>
<span class="sourceLineNo">140</span> assertThat(wals1, hasItems(getFileName("file1", i)));<a name="line.140"></a>
<span class="sourceLineNo">141</span> assertThat(wals2, hasItems(getFileName("file2", i)));<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span> for (int i = 0; i &lt; 10; i++) {<a name="line.144"></a>
<span class="sourceLineNo">145</span> assertEquals(0, STORAGE.getWALPosition(serverName1, queue1, getFileName("file1", i)));<a name="line.145"></a>
<span class="sourceLineNo">146</span> assertEquals(0, STORAGE.getWALPosition(serverName1, queue2, getFileName("file2", i)));<a name="line.146"></a>
<span class="sourceLineNo">147</span> STORAGE.setWALPosition(serverName1, queue1, getFileName("file1", i), (i + 1) * 100,<a name="line.147"></a>
<span class="sourceLineNo">148</span> Collections.emptyMap());<a name="line.148"></a>
<span class="sourceLineNo">149</span> STORAGE.setWALPosition(serverName1, queue2, getFileName("file2", i), (i + 1) * 100 + 10,<a name="line.149"></a>
<span class="sourceLineNo">150</span> Collections.emptyMap());<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> for (int i = 0; i &lt; 10; i++) {<a name="line.153"></a>
<span class="sourceLineNo">154</span> assertEquals((i + 1) * 100,<a name="line.154"></a>
<span class="sourceLineNo">155</span> STORAGE.getWALPosition(serverName1, queue1, getFileName("file1", i)));<a name="line.155"></a>
<span class="sourceLineNo">156</span> assertEquals((i + 1) * 100 + 10,<a name="line.156"></a>
<span class="sourceLineNo">157</span> STORAGE.getWALPosition(serverName1, queue2, getFileName("file2", i)));<a name="line.157"></a>
<span class="sourceLineNo">158</span> }<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span> for (int i = 0; i &lt; 10; i++) {<a name="line.160"></a>
<span class="sourceLineNo">161</span> if (i % 2 == 0) {<a name="line.161"></a>
<span class="sourceLineNo">162</span> STORAGE.removeWAL(serverName1, queue1, getFileName("file1", i));<a name="line.162"></a>
<span class="sourceLineNo">163</span> } else {<a name="line.163"></a>
<span class="sourceLineNo">164</span> STORAGE.removeWAL(serverName1, queue2, getFileName("file2", i));<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span> }<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span> queueIds = STORAGE.getAllQueues(serverName1);<a name="line.168"></a>
<span class="sourceLineNo">169</span> assertEquals(2, queueIds.size());<a name="line.169"></a>
<span class="sourceLineNo">170</span> assertThat(queueIds, hasItems("1", "2"));<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> ServerName serverName2 = ServerName.valueOf("127.0.0.1", 8001, 10001);<a name="line.172"></a>
<span class="sourceLineNo">173</span> Pair&lt;String, SortedSet&lt;String&gt;&gt; peer1 = STORAGE.claimQueue(serverName1, "1", serverName2);<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span> assertEquals("1-" + serverName1.getServerName(), peer1.getFirst());<a name="line.175"></a>
<span class="sourceLineNo">176</span> assertEquals(5, peer1.getSecond().size());<a name="line.176"></a>
<span class="sourceLineNo">177</span> int i = 1;<a name="line.177"></a>
<span class="sourceLineNo">178</span> for (String wal : peer1.getSecond()) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> assertEquals(getFileName("file1", i), wal);<a name="line.179"></a>
<span class="sourceLineNo">180</span> assertEquals((i + 1) * 100,<a name="line.180"></a>
<span class="sourceLineNo">181</span> STORAGE.getWALPosition(serverName2, peer1.getFirst(), getFileName("file1", i)));<a name="line.181"></a>
<span class="sourceLineNo">182</span> i += 2;<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span> queueIds = STORAGE.getAllQueues(serverName1);<a name="line.185"></a>
<span class="sourceLineNo">186</span> assertEquals(1, queueIds.size());<a name="line.186"></a>
<span class="sourceLineNo">187</span> assertThat(queueIds, hasItems("2"));<a name="line.187"></a>
<span class="sourceLineNo">188</span> wals2 = STORAGE.getWALsInQueue(serverName1, queue2);<a name="line.188"></a>
<span class="sourceLineNo">189</span> assertEquals(5, wals2.size());<a name="line.189"></a>
<span class="sourceLineNo">190</span> for (i = 0; i &lt; 10; i += 2) {<a name="line.190"></a>
<span class="sourceLineNo">191</span> assertThat(wals2, hasItems(getFileName("file2", i)));<a name="line.191"></a>
<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span> queueIds = STORAGE.getAllQueues(serverName2);<a name="line.194"></a>
<span class="sourceLineNo">195</span> assertEquals(1, queueIds.size());<a name="line.195"></a>
<span class="sourceLineNo">196</span> assertThat(queueIds, hasItems(peer1.getFirst()));<a name="line.196"></a>
<span class="sourceLineNo">197</span> wals1 = STORAGE.getWALsInQueue(serverName2, peer1.getFirst());<a name="line.197"></a>
<span class="sourceLineNo">198</span> assertEquals(5, wals1.size());<a name="line.198"></a>
<span class="sourceLineNo">199</span> for (i = 1; i &lt; 10; i += 2) {<a name="line.199"></a>
<span class="sourceLineNo">200</span> assertThat(wals1, hasItems(getFileName("file1", i)));<a name="line.200"></a>
<span class="sourceLineNo">201</span> }<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span> Set&lt;String&gt; allWals = STORAGE.getAllWALs();<a name="line.203"></a>
<span class="sourceLineNo">204</span> assertEquals(10, allWals.size());<a name="line.204"></a>
<span class="sourceLineNo">205</span> for (i = 0; i &lt; 10; i++) {<a name="line.205"></a>
<span class="sourceLineNo">206</span> assertThat(allWals, hasItems(i % 2 == 0 ? getFileName("file2", i) : getFileName("file1", i)));<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span> }<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span> // For HBASE-12865<a name="line.210"></a>
<span class="sourceLineNo">211</span> @Test<a name="line.211"></a>
<span class="sourceLineNo">212</span> public void testClaimQueueChangeCversion() throws ReplicationException, KeeperException {<a name="line.212"></a>
<span class="sourceLineNo">213</span> ServerName serverName1 = ServerName.valueOf("127.0.0.1", 8000, 10000);<a name="line.213"></a>
<span class="sourceLineNo">214</span> STORAGE.addWAL(serverName1, "1", "file");<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span> int v0 = STORAGE.getQueuesZNodeCversion();<a name="line.216"></a>
<span class="sourceLineNo">217</span> ServerName serverName2 = ServerName.valueOf("127.0.0.1", 8001, 10001);<a name="line.217"></a>
<span class="sourceLineNo">218</span> STORAGE.claimQueue(serverName1, "1", serverName2);<a name="line.218"></a>
<span class="sourceLineNo">219</span> int v1 = STORAGE.getQueuesZNodeCversion();<a name="line.219"></a>
<span class="sourceLineNo">220</span> // cversion should increase by 1 since a child node is deleted<a name="line.220"></a>
<span class="sourceLineNo">221</span> assertEquals(1, v1 - v0);<a name="line.221"></a>
<span class="sourceLineNo">222</span> }<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span> private ZKReplicationQueueStorage createWithUnstableVersion() throws IOException {<a name="line.224"></a>
<span class="sourceLineNo">225</span> return new ZKReplicationQueueStorage(UTIL.getZooKeeperWatcher(), UTIL.getConfiguration()) {<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span> private int called = 0;<a name="line.227"></a>
<span class="sourceLineNo">228</span> private int getLastSeqIdOpIndex = 0;<a name="line.228"></a>
<span class="sourceLineNo">229</span><a name="line.229"></a>
<span class="sourceLineNo">230</span> @Override<a name="line.230"></a>
<span class="sourceLineNo">231</span> protected int getQueuesZNodeCversion() throws KeeperException {<a name="line.231"></a>
<span class="sourceLineNo">232</span> if (called &lt; 4) {<a name="line.232"></a>
<span class="sourceLineNo">233</span> called++;<a name="line.233"></a>
<span class="sourceLineNo">234</span> }<a name="line.234"></a>
<span class="sourceLineNo">235</span> return called;<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span> @Override<a name="line.238"></a>
<span class="sourceLineNo">239</span> protected Pair&lt;Long, Integer&gt; getLastSequenceIdWithVersion(String encodedRegionName,<a name="line.239"></a>
<span class="sourceLineNo">240</span> String peerId) throws KeeperException {<a name="line.240"></a>
<span class="sourceLineNo">241</span> Pair&lt;Long, Integer&gt; oldPair = super.getLastSequenceIdWithVersion(encodedRegionName, peerId);<a name="line.241"></a>
<span class="sourceLineNo">242</span> if (getLastSeqIdOpIndex &lt; 100) {<a name="line.242"></a>
<span class="sourceLineNo">243</span> // Let the ZNode version increase.<a name="line.243"></a>
<span class="sourceLineNo">244</span> String path = getSerialReplicationRegionPeerNode(encodedRegionName, peerId);<a name="line.244"></a>
<span class="sourceLineNo">245</span> ZKUtil.createWithParents(zookeeper, path);<a name="line.245"></a>
<span class="sourceLineNo">246</span> ZKUtil.setData(zookeeper, path, ZKUtil.positionToByteArray(100L));<a name="line.246"></a>
<span class="sourceLineNo">247</span> }<a name="line.247"></a>
<span class="sourceLineNo">248</span> getLastSeqIdOpIndex++;<a name="line.248"></a>
<span class="sourceLineNo">249</span> return oldPair;<a name="line.249"></a>
<span class="sourceLineNo">250</span> }<a name="line.250"></a>
<span class="sourceLineNo">251</span> };<a name="line.251"></a>
<span class="sourceLineNo">252</span> }<a name="line.252"></a>
<span class="sourceLineNo">253</span><a name="line.253"></a>
<span class="sourceLineNo">254</span> @Test<a name="line.254"></a>
<span class="sourceLineNo">255</span> public void testGetAllWALsCversionChange() throws IOException, ReplicationException {<a name="line.255"></a>
<span class="sourceLineNo">256</span> ZKReplicationQueueStorage storage = createWithUnstableVersion();<a name="line.256"></a>
<span class="sourceLineNo">257</span> storage.addWAL(getServerName(0), "1", "file");<a name="line.257"></a>
<span class="sourceLineNo">258</span> // This should return eventually when cversion stabilizes<a name="line.258"></a>
<span class="sourceLineNo">259</span> Set&lt;String&gt; allWals = storage.getAllWALs();<a name="line.259"></a>
<span class="sourceLineNo">260</span> assertEquals(1, allWals.size());<a name="line.260"></a>
<span class="sourceLineNo">261</span> assertThat(allWals, hasItems("file"));<a name="line.261"></a>
<span class="sourceLineNo">262</span> }<a name="line.262"></a>
<span class="sourceLineNo">263</span><a name="line.263"></a>
<span class="sourceLineNo">264</span> // For HBASE-14621<a name="line.264"></a>
<span class="sourceLineNo">265</span> @Test<a name="line.265"></a>
<span class="sourceLineNo">266</span> public void testGetAllHFileRefsCversionChange() throws IOException, ReplicationException {<a name="line.266"></a>
<span class="sourceLineNo">267</span> ZKReplicationQueueStorage storage = createWithUnstableVersion();<a name="line.267"></a>
<span class="sourceLineNo">268</span> storage.addPeerToHFileRefs("1");<a name="line.268"></a>
<span class="sourceLineNo">269</span> Path p = new Path("/test");<a name="line.269"></a>
<span class="sourceLineNo">270</span> storage.addHFileRefs("1", Arrays.asList(Pair.newPair(p, p)));<a name="line.270"></a>
<span class="sourceLineNo">271</span> // This should return eventually when cversion stabilizes<a name="line.271"></a>
<span class="sourceLineNo">272</span> Set&lt;String&gt; allHFileRefs = storage.getAllHFileRefs();<a name="line.272"></a>
<span class="sourceLineNo">273</span> assertEquals(1, allHFileRefs.size());<a name="line.273"></a>
<span class="sourceLineNo">274</span> assertThat(allHFileRefs, hasItems("test"));<a name="line.274"></a>
<span class="sourceLineNo">275</span> }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span> // For HBASE-20138<a name="line.277"></a>
<span class="sourceLineNo">278</span> @Test<a name="line.278"></a>
<span class="sourceLineNo">279</span> public void testSetWALPositionBadVersion() throws IOException, ReplicationException {<a name="line.279"></a>
<span class="sourceLineNo">280</span> ZKReplicationQueueStorage storage = createWithUnstableVersion();<a name="line.280"></a>
<span class="sourceLineNo">281</span> ServerName serverName1 = ServerName.valueOf("128.0.0.1", 8000, 10000);<a name="line.281"></a>
<span class="sourceLineNo">282</span> assertTrue(storage.getAllQueues(serverName1).isEmpty());<a name="line.282"></a>
<span class="sourceLineNo">283</span> String queue1 = "1";<a name="line.283"></a>
<span class="sourceLineNo">284</span> String fileName = getFileName("file1", 0);<a name="line.284"></a>
<span class="sourceLineNo">285</span> String encodedRegionName = "31d9792f4435b99d9fb1016f6fbc8dc6";<a name="line.285"></a>
<span class="sourceLineNo">286</span> storage.addWAL(serverName1, queue1, fileName);<a name="line.286"></a>
<span class="sourceLineNo">287</span><a name="line.287"></a>
<span class="sourceLineNo">288</span> List&lt;String&gt; wals1 = storage.getWALsInQueue(serverName1, queue1);<a name="line.288"></a>
<span class="sourceLineNo">289</span> assertEquals(1, wals1.size());<a name="line.289"></a>
<span class="sourceLineNo">290</span><a name="line.290"></a>
<span class="sourceLineNo">291</span> assertEquals(0, storage.getWALPosition(serverName1, queue1, fileName));<a name="line.291"></a>
<span class="sourceLineNo">292</span> // This should return eventually when data version stabilizes<a name="line.292"></a>
<span class="sourceLineNo">293</span> storage.setWALPosition(serverName1, queue1, fileName, 100,<a name="line.293"></a>
<span class="sourceLineNo">294</span> ImmutableMap.of(encodedRegionName, 120L));<a name="line.294"></a>
<span class="sourceLineNo">295</span><a name="line.295"></a>
<span class="sourceLineNo">296</span> assertEquals(100, storage.getWALPosition(serverName1, queue1, fileName));<a name="line.296"></a>
<span class="sourceLineNo">297</span> assertEquals(120L, storage.getLastSequenceId(encodedRegionName, queue1));<a name="line.297"></a>
<span class="sourceLineNo">298</span> }<a name="line.298"></a>
<span class="sourceLineNo">299</span><a name="line.299"></a>
<span class="sourceLineNo">300</span> @Test<a name="line.300"></a>
<span class="sourceLineNo">301</span> public void testRegionsZNodeLayout() throws Exception {<a name="line.301"></a>
<span class="sourceLineNo">302</span> String peerId = "1";<a name="line.302"></a>
<span class="sourceLineNo">303</span> String encodedRegionName = "31d9792f4435b99d9fb1016f6fbc8dc7";<a name="line.303"></a>
<span class="sourceLineNo">304</span> String expectedPath = "/hbase/replication/regions/31/d9/792f4435b99d9fb1016f6fbc8dc7-" + peerId;<a name="line.304"></a>
<span class="sourceLineNo">305</span> String path = STORAGE.getSerialReplicationRegionPeerNode(encodedRegionName, peerId);<a name="line.305"></a>
<span class="sourceLineNo">306</span> assertEquals(expectedPath, path);<a name="line.306"></a>
<span class="sourceLineNo">307</span> }<a name="line.307"></a>
<span class="sourceLineNo">308</span><a name="line.308"></a>
<span class="sourceLineNo">309</span> @Test<a name="line.309"></a>
<span class="sourceLineNo">310</span> public void testRemoveAllLastPushedSeqIdsForPeer() throws Exception {<a name="line.310"></a>
<span class="sourceLineNo">311</span> String peerId = "1";<a name="line.311"></a>
<span class="sourceLineNo">312</span> String peerIdToDelete = "2";<a name="line.312"></a>
<span class="sourceLineNo">313</span> for (int i = 0; i &lt; 100; i++) {<a name="line.313"></a>
<span class="sourceLineNo">314</span> String encodedRegionName = MD5Hash.getMD5AsHex(Bytes.toBytes(i));<a name="line.314"></a>
<span class="sourceLineNo">315</span> STORAGE.setLastSequenceIds(peerId, ImmutableMap.of(encodedRegionName, (long) i));<a name="line.315"></a>
<span class="sourceLineNo">316</span> STORAGE.setLastSequenceIds(peerIdToDelete, ImmutableMap.of(encodedRegionName, (long) i));<a name="line.316"></a>
<span class="sourceLineNo">317</span> }<a name="line.317"></a>
<span class="sourceLineNo">318</span> for (int i = 0; i &lt; 100; i++) {<a name="line.318"></a>
<span class="sourceLineNo">319</span> String encodedRegionName = MD5Hash.getMD5AsHex(Bytes.toBytes(i));<a name="line.319"></a>
<span class="sourceLineNo">320</span> assertEquals(i, STORAGE.getLastSequenceId(encodedRegionName, peerId));<a name="line.320"></a>
<span class="sourceLineNo">321</span> assertEquals(i, STORAGE.getLastSequenceId(encodedRegionName, peerIdToDelete));<a name="line.321"></a>
<span class="sourceLineNo">322</span> }<a name="line.322"></a>
<span class="sourceLineNo">323</span> STORAGE.removeLastSequenceIds(peerIdToDelete);<a name="line.323"></a>
<span class="sourceLineNo">324</span> for (int i = 0; i &lt; 100; i++) {<a name="line.324"></a>
<span class="sourceLineNo">325</span> String encodedRegionName = MD5Hash.getMD5AsHex(Bytes.toBytes(i));<a name="line.325"></a>
<span class="sourceLineNo">326</span> assertEquals(i, STORAGE.getLastSequenceId(encodedRegionName, peerId));<a name="line.326"></a>
<span class="sourceLineNo">327</span> assertEquals(HConstants.NO_SEQNUM,<a name="line.327"></a>
<span class="sourceLineNo">328</span> STORAGE.getLastSequenceId(encodedRegionName, peerIdToDelete));<a name="line.328"></a>
<span class="sourceLineNo">329</span> }<a name="line.329"></a>
<span class="sourceLineNo">330</span> }<a name="line.330"></a>
<span class="sourceLineNo">331</span>}<a name="line.331"></a>
</pre>
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