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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.replication;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.fail;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.UnknownScannerException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.Result;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.Table;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.testclassification.ReplicationTests;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.junit.ClassRule;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.experimental.categories.Category;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.slf4j.Logger;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.slf4j.LoggerFactory;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>@Category({ ReplicationTests.class, LargeTests.class })<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public class TestReplicationKillRS extends TestReplicationBase {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> @ClassRule<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> HBaseClassTestRule.forClass(TestReplicationKillRS.class);<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private static final Logger LOG = LoggerFactory.getLogger(TestReplicationKillRS.class);<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> /**<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * Load up 1 tables over 2 region servers and kill a source during the upload. The failover<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * happens internally. WARNING this test sometimes fails because of HBASE-3515<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> public void loadTableAndKillRS(HBaseTestingUtility util) throws Exception {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> // killing the RS with hbase:meta can result into failed puts until we solve<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // IO fencing<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> int rsToKill1 = util.getHBaseCluster().getServerWithMeta() == 0 ? 1 : 0;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> // Takes about 20 secs to run the full loading, kill around the middle<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> Thread killer = killARegionServer(util, 5000, rsToKill1);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> Result[] res;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> int initialCount;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> try (Connection conn = ConnectionFactory.createConnection(CONF1)) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> try (Table table = conn.getTable(tableName)) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> LOG.info("Start loading table");<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> initialCount = UTIL1.loadTable(table, famName);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> LOG.info("Done loading table");<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> killer.join(5000);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> LOG.info("Done waiting for threads");<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> while (true) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> try (ResultScanner scanner = table.getScanner(new Scan())) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> res = scanner.next(initialCount);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> break;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> } catch (UnknownScannerException ex) {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> LOG.info("Cluster wasn't ready yet, restarting scanner");<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> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> // Test we actually have all the rows, we may miss some because we<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> // don't have IO fencing.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> if (res.length != initialCount) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> LOG.warn("We lost some rows on the master cluster!");<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // We don't really expect the other cluster to have more rows<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> initialCount = res.length;<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> int lastCount = 0;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> final long start = System.currentTimeMillis();<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> int i = 0;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> try (Connection conn = ConnectionFactory.createConnection(CONF2)) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> try (Table table = conn.getTable(tableName)) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> while (true) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> if (i == NB_RETRIES - 1) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> fail("Waited too much time for queueFailover replication. " + "Waited "<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> + (System.currentTimeMillis() - start) + "ms.");<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> Result[] res2;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> try (ResultScanner scanner = table.getScanner(new Scan())) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> res2 = scanner.next(initialCount * 2);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> if (res2.length < initialCount) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> if (lastCount < res2.length) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> i--; // Don't increment timeout if we make progress<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> } else {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> i++;<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> lastCount = res2.length;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> LOG.info(<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> "Only got " + lastCount + " rows instead of " + initialCount + " current i=" + i);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> Thread.sleep(SLEEP_TIME * 2);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> } else {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> break;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<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> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> private static Thread killARegionServer(final HBaseTestingUtility utility, final long timeout,<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> final int rs) {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> Thread killer = new Thread() {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> @Override<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public void run() {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> try {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> Thread.sleep(timeout);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> utility.getHBaseCluster().getRegionServer(rs).stop("Stopping as part of the test");<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> } catch (Exception e) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> LOG.error("Couldn't kill a region server", e);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> };<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> killer.setDaemon(true);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> killer.start();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> return killer;<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span>}<a name="line.135"></a> |
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| </pre> |
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