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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.coprocessor;<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.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertNull;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><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.Collections;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Optional;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.CountDownLatch;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.conf.Configuration;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FileSystem;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.fs.Path;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.Cell;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.Coprocessor;<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.HBaseTestingUtility;<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.TableName;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.CoprocessorDescriptorBuilder;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.Get;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Put;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Result;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Table;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.filter.FilterBase;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.regionserver.ChunkCreator;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.regionserver.HStore;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.regionserver.MemStoreLAB;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.regionserver.RegionServerServices;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.regionserver.ScanType;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.regionserver.ScannerContext;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.regionserver.Store;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.regionserver.StoreScanner;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionContext;<a name="line.64"></a> |
| <span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.security.User;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.testclassification.CoprocessorTests;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span>import org.junit.ClassRule;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span>import org.junit.Rule;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span>import org.junit.Test;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span>import org.junit.experimental.categories.Category;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span>import org.junit.rules.TestName;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span>@Category({CoprocessorTests.class, MediumTests.class})<a name="line.79"></a> |
| <span class="sourceLineNo">080</span>public class TestRegionObserverScannerOpenHook {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> @ClassRule<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> HBaseClassTestRule.forClass(TestRegionObserverScannerOpenHook.class);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private static HBaseTestingUtility UTIL = new HBaseTestingUtility();<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> static final Path DIR = UTIL.getDataTestDir();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> @Rule<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public TestName name = new TestName();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> public static class NoDataFilter extends FilterBase {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> @Override<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public ReturnCode filterCell(final Cell ignored) {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> return ReturnCode.SKIP;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> @Override<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> public boolean filterAllRemaining() throws IOException {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> return true;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> @Override<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> public boolean filterRow() throws IOException {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> return true;<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><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> /**<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * Do the default logic in {@link RegionObserver} interface.<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> */<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> public static class EmptyRegionObsever implements RegionCoprocessor, RegionObserver {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> @Override<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return Optional.of(this);<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> * Don't return any data from a scan by creating a custom {@link StoreScanner}.<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> */<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> public static class NoDataFromScan implements RegionCoprocessor, RegionObserver {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> @Override<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> return Optional.of(this);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> @Override<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> public void preGetOp(ObserverContext<RegionCoprocessorEnvironment> c, Get get,<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> List<Cell> result) throws IOException {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> c.bypass();<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> @Override<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> public void preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> c, Scan scan)<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> throws IOException {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> scan.setFilter(new NoDataFilter());<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> }<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> }<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> private static final InternalScanner NO_DATA = new InternalScanner() {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> @Override<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> public boolean next(List<Cell> result, ScannerContext scannerContext) throws IOException {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> return false;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> @Override<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> public void close() throws IOException {}<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> * Don't allow any data in a flush by creating a custom {@link StoreScanner}.<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> */<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> public static class NoDataFromFlush implements RegionCoprocessor, RegionObserver {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> @Override<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return Optional.of(this);<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> @Override<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> public InternalScanner preFlush(ObserverContext<RegionCoprocessorEnvironment> c, Store store,<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> InternalScanner scanner, FlushLifeCycleTracker tracker) throws IOException {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> return NO_DATA;<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> /**<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * Don't allow any data to be written out in the compaction by creating a custom<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * {@link StoreScanner}.<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> */<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> public static class NoDataFromCompaction implements RegionCoprocessor, RegionObserver {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> @Override<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> return Optional.of(this);<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> @Override<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> public InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> c, Store store,<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> InternalScanner scanner, ScanType scanType, CompactionLifeCycleTracker tracker,<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> CompactionRequest request) throws IOException {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> return NO_DATA;<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><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> HRegion initHRegion(byte[] tableName, String callingMethod, Configuration conf,<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> byte[]... families) throws IOException {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> TableDescriptorBuilder builder =<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(tableName));<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> for (byte[] family : families) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> builder.setColumnFamily(<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> ColumnFamilyDescriptorBuilder.of(family));<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> TableDescriptor tableDescriptor = builder.build();<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false, 0, 0,<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> 0, null, MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> RegionInfo info = RegionInfoBuilder.newBuilder(tableDescriptor.getTableName()).build();<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> Path path = new Path(DIR + callingMethod);<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> WAL wal = HBaseTestingUtility.createWal(conf, path, info);<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> HRegion r = HRegion.createHRegion(info, path, conf, tableDescriptor, wal);<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // this following piece is a hack. currently a coprocessorHost<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> // is secretly loaded at OpenRegionHandler. we don't really<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> // start a region server here, so just manually create cphost<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> // and set it to region.<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> RegionCoprocessorHost host = new RegionCoprocessorHost(r, null, conf);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> r.setCoprocessorHost(host);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> return r;<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> @Test<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> public void testRegionObserverScanTimeStacking() throws Exception {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> byte[] ROW = Bytes.toBytes("testRow");<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> byte[] TABLE = Bytes.toBytes(getClass().getName());<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> byte[] A = Bytes.toBytes("A");<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> byte[][] FAMILIES = new byte[][] { A };<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // Use new HTU to not overlap with the DFS cluster started in #CompactionStacking<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> Configuration conf = new HBaseTestingUtility().getConfiguration();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> RegionCoprocessorHost h = region.getCoprocessorHost();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> h.load(NoDataFromScan.class, Coprocessor.PRIORITY_HIGHEST, conf);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> Put put = new Put(ROW);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> put.addColumn(A, A, A);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> region.put(put);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span><a name="line.227"></a> |
| <span class="sourceLineNo">228</span> Get get = new Get(ROW);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> Result r = region.get(get);<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> assertNull(<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> "Got an unexpected number of rows - no data should be returned with the NoDataFromScan coprocessor. Found: "<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> + r, r.listCells());<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> @Test<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> public void testRegionObserverFlushTimeStacking() throws Exception {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> byte[] ROW = Bytes.toBytes("testRow");<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> byte[] TABLE = Bytes.toBytes(getClass().getName());<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> byte[] A = Bytes.toBytes("A");<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> byte[][] FAMILIES = new byte[][] { A };<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> // Use new HTU to not overlap with the DFS cluster started in #CompactionStacking<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> Configuration conf = new HBaseTestingUtility().getConfiguration();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> RegionCoprocessorHost h = region.getCoprocessorHost();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> h.load(NoDataFromFlush.class, Coprocessor.PRIORITY_HIGHEST, conf);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);<a name="line.248"></a> |
| <span class="sourceLineNo">249</span><a name="line.249"></a> |
| <span class="sourceLineNo">250</span> // put a row and flush it to disk<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> Put put = new Put(ROW);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> put.addColumn(A, A, A);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> region.put(put);<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> region.flush(true);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Get get = new Get(ROW);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> Result r = region.get(get);<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> assertNull(<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> "Got an unexpected number of rows - no data should be returned with the NoDataFromScan coprocessor. Found: "<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> + r, r.listCells());<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> HBaseTestingUtility.closeRegionAndWAL(region);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<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> * Custom HRegion which uses CountDownLatch to signal the completion of compaction<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> */<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> public static class CompactionCompletionNotifyingRegion extends HRegion {<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> private static volatile CountDownLatch compactionStateChangeLatch = null;<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> @SuppressWarnings("deprecation")<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> public CompactionCompletionNotifyingRegion(Path tableDir, WAL log,<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> FileSystem fs, Configuration confParam, RegionInfo info,<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> TableDescriptor htd, RegionServerServices rsServices) {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> super(tableDir, log, fs, confParam, info, htd, rsServices);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> public CountDownLatch getCompactionStateChangeLatch() {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> if (compactionStateChangeLatch == null) compactionStateChangeLatch = new CountDownLatch(1);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> return compactionStateChangeLatch;<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> @Override<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> public boolean compact(CompactionContext compaction, HStore store,<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> ThroughputController throughputController) throws IOException {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> boolean ret = super.compact(compaction, store, throughputController);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> if (ret) compactionStateChangeLatch.countDown();<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> return ret;<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> }<a name="line.287"></a> |
| <span class="sourceLineNo">288</span><a name="line.288"></a> |
| <span class="sourceLineNo">289</span> @Override<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> public boolean compact(CompactionContext compaction, HStore store,<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> ThroughputController throughputController, User user) throws IOException {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> boolean ret = super.compact(compaction, store, throughputController, user);<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> if (ret) compactionStateChangeLatch.countDown();<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> return ret;<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> /**<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> * Unfortunately, the easiest way to test this is to spin up a mini-cluster since we want to do<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> * the usual compaction mechanism on the region, rather than going through the backdoor to the<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> * region<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> */<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> @Test<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> public void testRegionObserverCompactionTimeStacking() throws Exception {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> // setup a mini cluster so we can do a real compaction on a region<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> Configuration conf = UTIL.getConfiguration();<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> conf.setClass(HConstants.REGION_IMPL, CompactionCompletionNotifyingRegion.class, HRegion.class);<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> conf.setInt("hbase.hstore.compaction.min", 2);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> UTIL.startMiniCluster();<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> byte[] ROW = Bytes.toBytes("testRow");<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> byte[] A = Bytes.toBytes("A");<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> TableDescriptor tableDescriptor =<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(name.getMethodName()))<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(A))<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> .setCoprocessor(CoprocessorDescriptorBuilder<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> .newBuilder(EmptyRegionObsever.class.getName()).setJarPath(null)<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> .setPriority(Coprocessor.PRIORITY_USER).setProperties(Collections.emptyMap()).build())<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> .setCoprocessor(CoprocessorDescriptorBuilder<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> .newBuilder(NoDataFromCompaction.class.getName()).setJarPath(null)<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> .setPriority(Coprocessor.PRIORITY_HIGHEST).setProperties(Collections.emptyMap()).build())<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> .build();<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> Admin admin = UTIL.getAdmin();<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> admin.createTable(tableDescriptor);<a name="line.324"></a> |
| <span class="sourceLineNo">325</span><a name="line.325"></a> |
| <span class="sourceLineNo">326</span> Table table = UTIL.getConnection().getTable(tableDescriptor.getTableName());<a name="line.326"></a> |
| <span class="sourceLineNo">327</span><a name="line.327"></a> |
| <span class="sourceLineNo">328</span> // put a row and flush it to disk<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> Put put = new Put(ROW);<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> put.addColumn(A, A, A);<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> table.put(put);<a name="line.331"></a> |
| <span class="sourceLineNo">332</span><a name="line.332"></a> |
| <span class="sourceLineNo">333</span> HRegionServer rs = UTIL.getRSForFirstRegionInTable(tableDescriptor.getTableName());<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> List<HRegion> regions = rs.getRegions(tableDescriptor.getTableName());<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> assertEquals("More than 1 region serving test table with 1 row", 1, regions.size());<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> Region region = regions.get(0);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> admin.flushRegion(region.getRegionInfo().getRegionName());<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> CountDownLatch latch = ((CompactionCompletionNotifyingRegion)region)<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> .getCompactionStateChangeLatch();<a name="line.339"></a> |
| <span class="sourceLineNo">340</span><a name="line.340"></a> |
| <span class="sourceLineNo">341</span> // put another row and flush that too<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> put = new Put(Bytes.toBytes("anotherrow"));<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> put.addColumn(A, A, A);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> table.put(put);<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> admin.flushRegion(region.getRegionInfo().getRegionName());<a name="line.345"></a> |
| <span class="sourceLineNo">346</span><a name="line.346"></a> |
| <span class="sourceLineNo">347</span> // run a compaction, which normally would should get rid of the data<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> // wait for the compaction checker to complete<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> latch.await();<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> // check both rows to ensure that they aren't there<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> Get get = new Get(ROW);<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> Result r = table.get(get);<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> assertNull(<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> "Got an unexpected number of rows - no data should be returned with the NoDataFromScan coprocessor. Found: "<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> + r, r.listCells());<a name="line.355"></a> |
| <span class="sourceLineNo">356</span><a name="line.356"></a> |
| <span class="sourceLineNo">357</span> get = new Get(Bytes.toBytes("anotherrow"));<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> r = table.get(get);<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> assertNull(<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> "Got an unexpected number of rows - no data should be returned with the NoDataFromScan coprocessor Found: "<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> + r, r.listCells());<a name="line.361"></a> |
| <span class="sourceLineNo">362</span><a name="line.362"></a> |
| <span class="sourceLineNo">363</span> table.close();<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> UTIL.shutdownMiniCluster();<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span>}<a name="line.366"></a> |
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| </div> |
| </body> |
| </html> |
