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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.client;<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><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.conf.Configuration;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.HConstants;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.TableName;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.junit.AfterClass;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.junit.Before;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.BeforeClass;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.ClassRule;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.junit.Test;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.junit.experimental.categories.Category;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.slf4j.Logger;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.slf4j.LoggerFactory;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>/**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Test various scanner timeout issues.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>@Category({ LargeTests.class, ClientTests.class })<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>public class TestScannerTimeout {<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> @ClassRule<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> HBaseClassTestRule.forClass(TestScannerTimeout.class);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private static final Logger LOG = LoggerFactory.getLogger(TestScannerTimeout.class);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> private final static byte[] SOME_BYTES = Bytes.toBytes("f");<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private final static TableName TABLE_NAME = TableName.valueOf("t");<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private final static int NB_ROWS = 10;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> // Be careful w/ what you set this timer to... it can get in the way of<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> // the mini cluster coming up -- the verification in particular.<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private final static int THREAD_WAKE_FREQUENCY = 1000;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private final static int SCANNER_TIMEOUT = 15000;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private final static int SCANNER_CACHING = 5;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> /**<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @throws java.lang.Exception<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @BeforeClass<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static void setUpBeforeClass() throws Exception {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> Configuration c = TEST_UTIL.getConfiguration();<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> c.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, SCANNER_TIMEOUT);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> c.setInt(HConstants.THREAD_WAKE_FREQUENCY, THREAD_WAKE_FREQUENCY);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> // We need more than one region server for this test<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> TEST_UTIL.startMiniCluster(2);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> Table table = TEST_UTIL.createTable(TABLE_NAME, SOME_BYTES);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> for (int i = 0; i < NB_ROWS; i++) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> Put put = new Put(Bytes.toBytes(i));<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> put.addColumn(SOME_BYTES, SOME_BYTES, SOME_BYTES);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> table.put(put);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> table.close();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /**<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * @throws java.lang.Exception<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> */<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> @AfterClass<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> public static void tearDownAfterClass() throws Exception {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> TEST_UTIL.shutdownMiniCluster();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<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> * @throws java.lang.Exception<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> */<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> @Before<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public void setUp() throws Exception {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> TEST_UTIL.ensureSomeNonStoppedRegionServersAvailable(2);<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> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * Test that scanner can continue even if the region server it was reading from failed. Before<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * 2772, it reused the same scanner id.<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> */<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> @Test<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> public void test2772() throws Exception {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> LOG.info("START************ test2772");<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLE_NAME);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> Scan scan = new Scan();<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> // Set a very high timeout, we want to test what happens when a RS<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // fails but the region is recovered before the lease times out.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> // Since the RS is already created, this conf is client-side only for<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> // this new table<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> Configuration conf = new Configuration(TEST_UTIL.getConfiguration());<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> conf.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, SCANNER_TIMEOUT * 100);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> Connection connection = ConnectionFactory.createConnection(conf);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> Table higherScanTimeoutTable = connection.getTable(TABLE_NAME);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> ResultScanner r = higherScanTimeoutTable.getScanner(scan);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> // This takes way less than SCANNER_TIMEOUT*100<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> rs.abort("die!");<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> Result[] results = r.next(NB_ROWS);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> assertEquals(NB_ROWS, results.length);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> r.close();<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> higherScanTimeoutTable.close();<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> connection.close();<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> LOG.info("END ************ test2772");<a name="line.124"></a> |
| <span class="sourceLineNo">125</span><a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<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> * Test that scanner won't miss any rows if the region server it was reading from failed. Before<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * 3686, it would skip rows in the scan.<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> */<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> @Test<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> public void test3686a() throws Exception {<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> LOG.info("START ************ TEST3686A---1");<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLE_NAME);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> LOG.info("START ************ TEST3686A---1111");<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> Scan scan = new Scan();<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> scan.setCaching(SCANNER_CACHING);<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> LOG.info("************ TEST3686A");<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> MetaTableAccessor.fullScanMetaAndPrint(TEST_UTIL.getAdmin().getConnection());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> // Set a very high timeout, we want to test what happens when a RS<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> // fails but the region is recovered before the lease times out.<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> // Since the RS is already created, this conf is client-side only for<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> // this new table<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> Configuration conf = new Configuration(TEST_UTIL.getConfiguration());<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> conf.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, SCANNER_TIMEOUT * 100);<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> Connection connection = ConnectionFactory.createConnection(conf);<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> Table table = connection.getTable(TABLE_NAME);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> LOG.info("START ************ TEST3686A---22");<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> ResultScanner r = table.getScanner(scan);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> LOG.info("START ************ TEST3686A---33");<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> int count = 1;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> r.next();<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> LOG.info("START ************ TEST3686A---44");<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> // Kill after one call to next(), which got 5 rows.<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> rs.abort("die!");<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> while (r.next() != null) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> count++;<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> assertEquals(NB_ROWS, count);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> r.close();<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> table.close();<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> connection.close();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> LOG.info("************ END TEST3686A");<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> /**<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> * Make sure that no rows are lost if the scanner timeout is longer on the client than the server,<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> * and the scan times out on the server but not the client.<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> */<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> @Test<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> public void test3686b() throws Exception {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> LOG.info("START ************ test3686b");<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> HRegionServer rs = TEST_UTIL.getRSForFirstRegionInTable(TABLE_NAME);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> Scan scan = new Scan();<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> scan.setCaching(SCANNER_CACHING);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> // Set a very high timeout, we want to test what happens when a RS<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> // fails but the region is recovered before the lease times out.<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> // Since the RS is already created, this conf is client-side only for<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> // this new table<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> Configuration conf = new Configuration(TEST_UTIL.getConfiguration());<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> conf.setInt(HConstants.HBASE_CLIENT_SCANNER_TIMEOUT_PERIOD, SCANNER_TIMEOUT * 100);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> Connection connection = ConnectionFactory.createConnection(conf);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> Table higherScanTimeoutTable = connection.getTable(TABLE_NAME);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> ResultScanner r = higherScanTimeoutTable.getScanner(scan);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> int count = 1;<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> r.next();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> // Sleep, allowing the scan to timeout on the server but not on the client.<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> Thread.sleep(SCANNER_TIMEOUT + 2000);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> while (r.next() != null) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> count++;<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> assertEquals(NB_ROWS, count);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> r.close();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> higherScanTimeoutTable.close();<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> connection.close();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> LOG.info("END ************ END test3686b");<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span>}<a name="line.205"></a> |
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