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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.util;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.MiniHBaseCluster;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.TableName;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.Put;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.Table;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<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.MiscTests;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.junit.After;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.junit.AfterClass;<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.Before;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.junit.BeforeClass;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.junit.ClassRule;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.junit.Rule;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.junit.Test;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.junit.experimental.categories.Category;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.junit.rules.TestName;<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 java.util.ArrayList;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import java.util.List;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import java.util.concurrent.TimeUnit;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import java.util.stream.Collectors;<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span>/**<a name="line.52"></a>
<span class="sourceLineNo">053</span> * Tests for Region Mover Load/Unload functionality with and without ack mode and also to test<a name="line.53"></a>
<span class="sourceLineNo">054</span> * exclude functionality useful for rack decommissioning<a name="line.54"></a>
<span class="sourceLineNo">055</span> */<a name="line.55"></a>
<span class="sourceLineNo">056</span>@Category({ MiscTests.class, LargeTests.class})<a name="line.56"></a>
<span class="sourceLineNo">057</span>public class TestRegionMover2 {<a name="line.57"></a>
<span class="sourceLineNo">058</span><a name="line.58"></a>
<span class="sourceLineNo">059</span> @ClassRule<a name="line.59"></a>
<span class="sourceLineNo">060</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.60"></a>
<span class="sourceLineNo">061</span> HBaseClassTestRule.forClass(TestRegionMover2.class);<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span> @Rule<a name="line.63"></a>
<span class="sourceLineNo">064</span> public TestName name = new TestName();<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span> private static final Logger LOG = LoggerFactory.getLogger(TestRegionMover2.class);<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span> private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span> @BeforeClass<a name="line.70"></a>
<span class="sourceLineNo">071</span> public static void setUpBeforeClass() throws Exception {<a name="line.71"></a>
<span class="sourceLineNo">072</span> TEST_UTIL.startMiniCluster(3);<a name="line.72"></a>
<span class="sourceLineNo">073</span> TEST_UTIL.getAdmin().balancerSwitch(false, true);<a name="line.73"></a>
<span class="sourceLineNo">074</span> }<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span> @AfterClass<a name="line.76"></a>
<span class="sourceLineNo">077</span> public static void tearDownAfterClass() throws Exception {<a name="line.77"></a>
<span class="sourceLineNo">078</span> TEST_UTIL.shutdownMiniCluster();<a name="line.78"></a>
<span class="sourceLineNo">079</span> }<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> @Before<a name="line.81"></a>
<span class="sourceLineNo">082</span> public void setUp() throws Exception {<a name="line.82"></a>
<span class="sourceLineNo">083</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.83"></a>
<span class="sourceLineNo">084</span> TableDescriptor tableDesc = TableDescriptorBuilder.newBuilder(tableName)<a name="line.84"></a>
<span class="sourceLineNo">085</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("fam1")).build();<a name="line.85"></a>
<span class="sourceLineNo">086</span> int startKey = 0;<a name="line.86"></a>
<span class="sourceLineNo">087</span> int endKey = 80000;<a name="line.87"></a>
<span class="sourceLineNo">088</span> TEST_UTIL.getAdmin().createTable(tableDesc, Bytes.toBytes(startKey), Bytes.toBytes(endKey), 9);<a name="line.88"></a>
<span class="sourceLineNo">089</span> }<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span> @After<a name="line.91"></a>
<span class="sourceLineNo">092</span> public void tearDown() throws Exception {<a name="line.92"></a>
<span class="sourceLineNo">093</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.93"></a>
<span class="sourceLineNo">094</span> TEST_UTIL.getAdmin().disableTable(tableName);<a name="line.94"></a>
<span class="sourceLineNo">095</span> TEST_UTIL.getAdmin().deleteTable(tableName);<a name="line.95"></a>
<span class="sourceLineNo">096</span> }<a name="line.96"></a>
<span class="sourceLineNo">097</span><a name="line.97"></a>
<span class="sourceLineNo">098</span> @Test<a name="line.98"></a>
<span class="sourceLineNo">099</span> public void testWithMergedRegions() throws Exception {<a name="line.99"></a>
<span class="sourceLineNo">100</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.100"></a>
<span class="sourceLineNo">101</span> MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.101"></a>
<span class="sourceLineNo">102</span> Admin admin = TEST_UTIL.getAdmin();<a name="line.102"></a>
<span class="sourceLineNo">103</span> Table table = TEST_UTIL.getConnection().getTable(tableName);<a name="line.103"></a>
<span class="sourceLineNo">104</span> List&lt;Put&gt; puts = new ArrayList&lt;&gt;();<a name="line.104"></a>
<span class="sourceLineNo">105</span> for (int i = 0; i &lt; 10000; i++) {<a name="line.105"></a>
<span class="sourceLineNo">106</span> puts.add(new Put(Bytes.toBytes("rowkey_" + i))<a name="line.106"></a>
<span class="sourceLineNo">107</span> .addColumn(Bytes.toBytes("fam1"), Bytes.toBytes("q1"), Bytes.toBytes("val_" + i)));<a name="line.107"></a>
<span class="sourceLineNo">108</span> }<a name="line.108"></a>
<span class="sourceLineNo">109</span> table.put(puts);<a name="line.109"></a>
<span class="sourceLineNo">110</span> admin.flush(tableName);<a name="line.110"></a>
<span class="sourceLineNo">111</span> HRegionServer regionServer = cluster.getRegionServer(0);<a name="line.111"></a>
<span class="sourceLineNo">112</span> String rsName = regionServer.getServerName().getAddress().toString();<a name="line.112"></a>
<span class="sourceLineNo">113</span> int numRegions = regionServer.getNumberOfOnlineRegions();<a name="line.113"></a>
<span class="sourceLineNo">114</span> List&lt;HRegion&gt; hRegions = regionServer.getRegions().stream()<a name="line.114"></a>
<span class="sourceLineNo">115</span> .filter(hRegion -&gt; hRegion.getRegionInfo().getTable().equals(tableName))<a name="line.115"></a>
<span class="sourceLineNo">116</span> .collect(Collectors.toList());<a name="line.116"></a>
<span class="sourceLineNo">117</span> RegionMover.RegionMoverBuilder rmBuilder =<a name="line.117"></a>
<span class="sourceLineNo">118</span> new RegionMover.RegionMoverBuilder(rsName, TEST_UTIL.getConfiguration()).ack(true)<a name="line.118"></a>
<span class="sourceLineNo">119</span> .maxthreads(8);<a name="line.119"></a>
<span class="sourceLineNo">120</span> try (RegionMover rm = rmBuilder.build()) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> LOG.debug("Unloading {}", regionServer.getServerName());<a name="line.121"></a>
<span class="sourceLineNo">122</span> rm.unload();<a name="line.122"></a>
<span class="sourceLineNo">123</span> Assert.assertEquals(0, regionServer.getNumberOfOnlineRegions());<a name="line.123"></a>
<span class="sourceLineNo">124</span> LOG.debug("Successfully Unloaded, now Loading");<a name="line.124"></a>
<span class="sourceLineNo">125</span> admin.mergeRegionsAsync(new byte[][] { hRegions.get(0).getRegionInfo().getRegionName(),<a name="line.125"></a>
<span class="sourceLineNo">126</span> hRegions.get(1).getRegionInfo().getRegionName() }, true)<a name="line.126"></a>
<span class="sourceLineNo">127</span> .get(5, TimeUnit.SECONDS);<a name="line.127"></a>
<span class="sourceLineNo">128</span> Assert.assertTrue(rm.load());<a name="line.128"></a>
<span class="sourceLineNo">129</span> Assert.assertEquals(numRegions - 2, regionServer.getNumberOfOnlineRegions());<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><a name="line.132"></a>
<span class="sourceLineNo">133</span> @Test<a name="line.133"></a>
<span class="sourceLineNo">134</span> public void testWithSplitRegions() throws Exception {<a name="line.134"></a>
<span class="sourceLineNo">135</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.135"></a>
<span class="sourceLineNo">136</span> MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.136"></a>
<span class="sourceLineNo">137</span> Admin admin = TEST_UTIL.getAdmin();<a name="line.137"></a>
<span class="sourceLineNo">138</span> Table table = TEST_UTIL.getConnection().getTable(tableName);<a name="line.138"></a>
<span class="sourceLineNo">139</span> List&lt;Put&gt; puts = new ArrayList&lt;&gt;();<a name="line.139"></a>
<span class="sourceLineNo">140</span> for (int i = 10; i &lt; 50000; i++) {<a name="line.140"></a>
<span class="sourceLineNo">141</span> puts.add(new Put(Bytes.toBytes(i))<a name="line.141"></a>
<span class="sourceLineNo">142</span> .addColumn(Bytes.toBytes("fam1"), Bytes.toBytes("q1"), Bytes.toBytes("val_" + i)));<a name="line.142"></a>
<span class="sourceLineNo">143</span> }<a name="line.143"></a>
<span class="sourceLineNo">144</span> table.put(puts);<a name="line.144"></a>
<span class="sourceLineNo">145</span> admin.flush(tableName);<a name="line.145"></a>
<span class="sourceLineNo">146</span> admin.compact(tableName);<a name="line.146"></a>
<span class="sourceLineNo">147</span> HRegionServer regionServer = cluster.getRegionServer(0);<a name="line.147"></a>
<span class="sourceLineNo">148</span> String rsName = regionServer.getServerName().getAddress().toString();<a name="line.148"></a>
<span class="sourceLineNo">149</span> int numRegions = regionServer.getNumberOfOnlineRegions();<a name="line.149"></a>
<span class="sourceLineNo">150</span> List&lt;HRegion&gt; hRegions = regionServer.getRegions().stream()<a name="line.150"></a>
<span class="sourceLineNo">151</span> .filter(hRegion -&gt; hRegion.getRegionInfo().getTable().equals(tableName))<a name="line.151"></a>
<span class="sourceLineNo">152</span> .collect(Collectors.toList());<a name="line.152"></a>
<span class="sourceLineNo">153</span><a name="line.153"></a>
<span class="sourceLineNo">154</span> RegionMover.RegionMoverBuilder rmBuilder =<a name="line.154"></a>
<span class="sourceLineNo">155</span> new RegionMover.RegionMoverBuilder(rsName, TEST_UTIL.getConfiguration()).ack(true)<a name="line.155"></a>
<span class="sourceLineNo">156</span> .maxthreads(8);<a name="line.156"></a>
<span class="sourceLineNo">157</span> try (RegionMover rm = rmBuilder.build()) {<a name="line.157"></a>
<span class="sourceLineNo">158</span> LOG.debug("Unloading {}", regionServer.getServerName());<a name="line.158"></a>
<span class="sourceLineNo">159</span> rm.unload();<a name="line.159"></a>
<span class="sourceLineNo">160</span> Assert.assertEquals(0, regionServer.getNumberOfOnlineRegions());<a name="line.160"></a>
<span class="sourceLineNo">161</span> LOG.debug("Successfully Unloaded, now Loading");<a name="line.161"></a>
<span class="sourceLineNo">162</span> HRegion hRegion = hRegions.get(1);<a name="line.162"></a>
<span class="sourceLineNo">163</span> if (hRegion.getRegionInfo().getStartKey().length == 0) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> hRegion = hRegions.get(0);<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span> int startKey = 0;<a name="line.166"></a>
<span class="sourceLineNo">167</span> int endKey = Integer.MAX_VALUE;<a name="line.167"></a>
<span class="sourceLineNo">168</span> if (hRegion.getRegionInfo().getStartKey().length &gt; 0) {<a name="line.168"></a>
<span class="sourceLineNo">169</span> startKey = Bytes.toInt(hRegion.getRegionInfo().getStartKey());<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span> if (hRegion.getRegionInfo().getEndKey().length &gt; 0) {<a name="line.171"></a>
<span class="sourceLineNo">172</span> endKey = Bytes.toInt(hRegion.getRegionInfo().getEndKey());<a name="line.172"></a>
<span class="sourceLineNo">173</span> }<a name="line.173"></a>
<span class="sourceLineNo">174</span> int midKey = startKey + (endKey - startKey) / 2;<a name="line.174"></a>
<span class="sourceLineNo">175</span> admin.splitRegionAsync(hRegion.getRegionInfo().getRegionName(), Bytes.toBytes(midKey))<a name="line.175"></a>
<span class="sourceLineNo">176</span> .get(5, TimeUnit.SECONDS);<a name="line.176"></a>
<span class="sourceLineNo">177</span> Assert.assertTrue(rm.load());<a name="line.177"></a>
<span class="sourceLineNo">178</span> Assert.assertEquals(numRegions - 1, regionServer.getNumberOfOnlineRegions());<a name="line.178"></a>
<span class="sourceLineNo">179</span> }<a name="line.179"></a>
<span class="sourceLineNo">180</span> }<a name="line.180"></a>
<span class="sourceLineNo">181</span><a name="line.181"></a>
<span class="sourceLineNo">182</span> @Test<a name="line.182"></a>
<span class="sourceLineNo">183</span> public void testFailedRegionMove() throws Exception {<a name="line.183"></a>
<span class="sourceLineNo">184</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.184"></a>
<span class="sourceLineNo">185</span> MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();<a name="line.185"></a>
<span class="sourceLineNo">186</span> Admin admin = TEST_UTIL.getAdmin();<a name="line.186"></a>
<span class="sourceLineNo">187</span> Table table = TEST_UTIL.getConnection().getTable(tableName);<a name="line.187"></a>
<span class="sourceLineNo">188</span> List&lt;Put&gt; puts = new ArrayList&lt;&gt;();<a name="line.188"></a>
<span class="sourceLineNo">189</span> for (int i = 0; i &lt; 1000; i++) {<a name="line.189"></a>
<span class="sourceLineNo">190</span> puts.add(new Put(Bytes.toBytes("rowkey_" + i))<a name="line.190"></a>
<span class="sourceLineNo">191</span> .addColumn(Bytes.toBytes("fam1"), Bytes.toBytes("q1"), Bytes.toBytes("val_" + i)));<a name="line.191"></a>
<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span> table.put(puts);<a name="line.193"></a>
<span class="sourceLineNo">194</span> admin.flush(tableName);<a name="line.194"></a>
<span class="sourceLineNo">195</span> HRegionServer regionServer = cluster.getRegionServer(0);<a name="line.195"></a>
<span class="sourceLineNo">196</span> String rsName = regionServer.getServerName().getAddress().toString();<a name="line.196"></a>
<span class="sourceLineNo">197</span> int numRegions = regionServer.getNumberOfOnlineRegions();<a name="line.197"></a>
<span class="sourceLineNo">198</span> List&lt;HRegion&gt; hRegions = regionServer.getRegions().stream()<a name="line.198"></a>
<span class="sourceLineNo">199</span> .filter(hRegion -&gt; hRegion.getRegionInfo().getTable().equals(tableName))<a name="line.199"></a>
<span class="sourceLineNo">200</span> .collect(Collectors.toList());<a name="line.200"></a>
<span class="sourceLineNo">201</span> RegionMover.RegionMoverBuilder rmBuilder =<a name="line.201"></a>
<span class="sourceLineNo">202</span> new RegionMover.RegionMoverBuilder(rsName, TEST_UTIL.getConfiguration()).ack(true)<a name="line.202"></a>
<span class="sourceLineNo">203</span> .maxthreads(8);<a name="line.203"></a>
<span class="sourceLineNo">204</span> try (RegionMover rm = rmBuilder.build()) {<a name="line.204"></a>
<span class="sourceLineNo">205</span> LOG.debug("Unloading {}", regionServer.getServerName());<a name="line.205"></a>
<span class="sourceLineNo">206</span> rm.unload();<a name="line.206"></a>
<span class="sourceLineNo">207</span> Assert.assertEquals(0, regionServer.getNumberOfOnlineRegions());<a name="line.207"></a>
<span class="sourceLineNo">208</span> LOG.debug("Successfully Unloaded, now Loading");<a name="line.208"></a>
<span class="sourceLineNo">209</span> admin.offline(hRegions.get(0).getRegionInfo().getRegionName());<a name="line.209"></a>
<span class="sourceLineNo">210</span> // loading regions will fail because of offline region<a name="line.210"></a>
<span class="sourceLineNo">211</span> Assert.assertFalse(rm.load());<a name="line.211"></a>
<span class="sourceLineNo">212</span> }<a name="line.212"></a>
<span class="sourceLineNo">213</span> }<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span>}<a name="line.215"></a>
</pre>
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