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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><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.concurrent.BlockingQueue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.concurrent.TimeUnit;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.testclassification.IntegrationTests;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.util.ConstantDelayQueue;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.LoadTestTool;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.util.MultiThreadedUpdater;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.util.MultiThreadedWriter;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.TableDescriptorChecker;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.test.LoadTestDataGenerator;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.util.StringUtils;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.util.ToolRunner;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.junit.Assert;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.junit.Test;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.junit.experimental.categories.Category;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span>/**<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * Integration test for testing async wal replication to secondary region replicas. Sets up a table<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * with given region replication (default 2), and uses LoadTestTool client writer, updater and<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * reader threads for writes and reads and verification. It uses a delay queue with a given delay<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * ("read_delay_ms", default 5000ms) between the writer/updater and reader threads to make the<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * written items available to readers. This means that a reader will only start reading from a row<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * written by the writer / updater after 5secs has passed. The reader thread performs the reads from<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * the given region replica id (default 1) to perform the reads. Async wal replication has to finish<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * with the replication of the edits before read_delay_ms to the given region replica id so that<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * the read and verify will not fail.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> *<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * The job will run for <b>at least</b> given runtime (default 10min) by running a concurrent<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * writer and reader workload followed by a concurrent updater and reader workload for<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * num_keys_per_server.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * <p><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Example usage:<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * </p><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * <pre><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * hbase org.apache.hadoop.hbase.IntegrationTestRegionReplicaReplication<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * -DIntegrationTestRegionReplicaReplication.num_keys_per_server=10000<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * -Dhbase.IntegrationTestRegionReplicaReplication.runtime=600000<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * -DIntegrationTestRegionReplicaReplication.read_delay_ms=5000<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * -DIntegrationTestRegionReplicaReplication.region_replication=3<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * -DIntegrationTestRegionReplicaReplication.region_replica_id=2<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * -DIntegrationTestRegionReplicaReplication.num_read_threads=100<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * -DIntegrationTestRegionReplicaReplication.num_write_threads=100<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * </pre><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>@Category(IntegrationTests.class)<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>public class IntegrationTestRegionReplicaReplication extends IntegrationTestIngest {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static final String TEST_NAME<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> = IntegrationTestRegionReplicaReplication.class.getSimpleName();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static final String OPT_READ_DELAY_MS = "read_delay_ms";<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private static final int DEFAULT_REGION_REPLICATION = 2;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private static final int SERVER_COUNT = 1; // number of slaves for the smallest cluster<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private static final String[] DEFAULT_COLUMN_FAMILIES = new String[] {"f1", "f2", "f3"};<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> @Override<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> protected int getMinServerCount() {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> return SERVER_COUNT;<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> @Override<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> public void setConf(Configuration conf) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> conf.setIfUnset(<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> String.format("%s.%s", TEST_NAME, LoadTestTool.OPT_REGION_REPLICATION),<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> String.valueOf(DEFAULT_REGION_REPLICATION));<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> conf.setIfUnset(<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> String.format("%s.%s", TEST_NAME, LoadTestTool.OPT_COLUMN_FAMILIES),<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> StringUtils.join(",", DEFAULT_COLUMN_FAMILIES));<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> conf.setBoolean(TableDescriptorChecker.TABLE_SANITY_CHECKS, true);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> // enable async wal replication to region replicas for unit tests<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> conf.setBoolean(ServerRegionReplicaUtil.REGION_REPLICA_REPLICATION_CONF_KEY, true);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span><a name="line.102"></a> |
| <span class="sourceLineNo">103</span> conf.setLong(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, 1024L * 1024 * 4); // flush every 4 MB<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> conf.setInt("hbase.hstore.blockingStoreFiles", 100);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> super.setConf(conf);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> @Override<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> @Test<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> public void testIngest() throws Exception {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> runIngestTest(JUNIT_RUN_TIME, 25000, 10, 1024, 10, 20);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<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> * This extends MultiThreadedWriter to add a configurable delay to the keys written by the writer<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> * threads to become available to the MultiThradedReader threads. We add this delay because of<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> * the async nature of the wal replication to region replicas.<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> */<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public static class DelayingMultiThreadedWriter extends MultiThreadedWriter {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> private long delayMs;<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public DelayingMultiThreadedWriter(LoadTestDataGenerator dataGen, Configuration conf,<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> TableName tableName) throws IOException {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> super(dataGen, conf, tableName);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> @Override<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> protected BlockingQueue<Long> createWriteKeysQueue(Configuration conf) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> this.delayMs = conf.getLong(String.format("%s.%s",<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> IntegrationTestRegionReplicaReplication.class.getSimpleName(), OPT_READ_DELAY_MS), 5000);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return new ConstantDelayQueue<>(TimeUnit.MILLISECONDS, delayMs);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> /**<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * This extends MultiThreadedWriter to add a configurable delay to the keys written by the writer<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * threads to become available to the MultiThradedReader threads. We add this delay because of<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * the async nature of the wal replication to region replicas.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> */<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public static class DelayingMultiThreadedUpdater extends MultiThreadedUpdater {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> private long delayMs;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> public DelayingMultiThreadedUpdater(LoadTestDataGenerator dataGen, Configuration conf,<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> TableName tableName, double updatePercent) throws IOException {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> super(dataGen, conf, tableName, updatePercent);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> @Override<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> protected BlockingQueue<Long> createWriteKeysQueue(Configuration conf) {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> this.delayMs = conf.getLong(String.format("%s.%s",<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> IntegrationTestRegionReplicaReplication.class.getSimpleName(), OPT_READ_DELAY_MS), 5000);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> return new ConstantDelayQueue<>(TimeUnit.MILLISECONDS, delayMs);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<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> @Override<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> protected void runIngestTest(long defaultRunTime, long keysPerServerPerIter, int colsPerKey,<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> int recordSize, int writeThreads, int readThreads) throws Exception {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> LOG.info("Running ingest");<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> LOG.info("Cluster size:" + util.getHBaseClusterInterface()<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> .getClusterMetrics().getLiveServerMetrics().size());<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // sleep for some time so that the cache for disabled tables does not interfere.<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> Threads.sleep(<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> getConf().getInt("hbase.region.replica.replication.cache.disabledAndDroppedTables.expiryMs",<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> 5000) + 1000);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> long start = System.currentTimeMillis();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> String runtimeKey = String.format(RUN_TIME_KEY, this.getClass().getSimpleName());<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> long runtime = util.getConfiguration().getLong(runtimeKey, defaultRunTime);<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> long startKey = 0;<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> long numKeys = getNumKeys(keysPerServerPerIter);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> while (System.currentTimeMillis() - start < 0.9 * runtime) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> LOG.info("Intended run time: " + (runtime/60000) + " min, left:" +<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> ((runtime - (System.currentTimeMillis() - start))/60000) + " min");<a name="line.174"></a> |
| <span class="sourceLineNo">175</span><a name="line.175"></a> |
| <span class="sourceLineNo">176</span> int verifyPercent = 100;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> int updatePercent = 20;<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> int ret = -1;<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> int regionReplicaId = conf.getInt(String.format("%s.%s"<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> , TEST_NAME, LoadTestTool.OPT_REGION_REPLICA_ID), 1);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> // we will run writers and readers at the same time.<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> List<String> args = Lists.newArrayList(getArgsForLoadTestTool("", "", startKey, numKeys));<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> args.add("-write");<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> args.add(String.format("%d:%d:%d", colsPerKey, recordSize, writeThreads));<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> args.add("-" + LoadTestTool.OPT_MULTIPUT);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> args.add("-writer");<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> args.add(DelayingMultiThreadedWriter.class.getName()); // inject writer class<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> args.add("-read");<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> args.add(String.format("%d:%d", verifyPercent, readThreads));<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> args.add("-" + LoadTestTool.OPT_REGION_REPLICA_ID);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> args.add(String.valueOf(regionReplicaId));<a name="line.192"></a> |
| <span class="sourceLineNo">193</span><a name="line.193"></a> |
| <span class="sourceLineNo">194</span> ret = loadTool.run(args.toArray(new String[args.size()]));<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> if (0 != ret) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> String errorMsg = "Load failed with error code " + ret;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> LOG.error(errorMsg);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> Assert.fail(errorMsg);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> args = Lists.newArrayList(getArgsForLoadTestTool("", "", startKey, numKeys));<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> args.add("-update");<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> args.add(String.format("%s:%s:1", updatePercent, writeThreads));<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> args.add("-updater");<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> args.add(DelayingMultiThreadedUpdater.class.getName()); // inject updater class<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> args.add("-read");<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> args.add(String.format("%d:%d", verifyPercent, readThreads));<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> args.add("-" + LoadTestTool.OPT_REGION_REPLICA_ID);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> args.add(String.valueOf(regionReplicaId));<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> ret = loadTool.run(args.toArray(new String[args.size()]));<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> if (0 != ret) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> String errorMsg = "Load failed with error code " + ret;<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> LOG.error(errorMsg);<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> Assert.fail(errorMsg);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> startKey += numKeys;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> }<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> }<a name="line.219"></a> |
| <span class="sourceLineNo">220</span><a name="line.220"></a> |
| <span class="sourceLineNo">221</span> public static void main(String[] args) throws Exception {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> Configuration conf = HBaseConfiguration.create();<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> IntegrationTestingUtility.setUseDistributedCluster(conf);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> int ret = ToolRunner.run(conf, new IntegrationTestRegionReplicaReplication(), args);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> System.exit(ret);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span>}<a name="line.227"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
