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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.replication;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.UnknownScannerException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.client.ConnectionFactory;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.ResultScanner;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.slf4j.Logger;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">033</span><span id="line-33"></span> |
| <span class="source-line-no">034</span><span id="line-34">public abstract class TestReplicationKillRS extends TestReplicationBase {</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> private static final Logger LOG = LoggerFactory.getLogger(TestReplicationKillRS.class);</span> |
| <span class="source-line-no">037</span><span id="line-37"></span> |
| <span class="source-line-no">038</span><span id="line-38"> /**</span> |
| <span class="source-line-no">039</span><span id="line-39"> * Load up 1 tables over 2 region servers and kill a source during the upload. The failover</span> |
| <span class="source-line-no">040</span><span id="line-40"> * happens internally. WARNING this test sometimes fails because of HBASE-3515</span> |
| <span class="source-line-no">041</span><span id="line-41"> */</span> |
| <span class="source-line-no">042</span><span id="line-42"> protected void loadTableAndKillRS(HBaseTestingUtil util) throws Exception {</span> |
| <span class="source-line-no">043</span><span id="line-43"> // killing the RS with hbase:meta can result into failed puts until we solve</span> |
| <span class="source-line-no">044</span><span id="line-44"> // IO fencing</span> |
| <span class="source-line-no">045</span><span id="line-45"> int rsToKill1 = util.getHBaseCluster().getServerWithMeta() == 0 ? 1 : 0;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> // Takes about 20 secs to run the full loading, kill around the middle</span> |
| <span class="source-line-no">048</span><span id="line-48"> Thread killer = killARegionServer(util, 5000, rsToKill1);</span> |
| <span class="source-line-no">049</span><span id="line-49"> Result[] res;</span> |
| <span class="source-line-no">050</span><span id="line-50"> int initialCount;</span> |
| <span class="source-line-no">051</span><span id="line-51"> try (Connection conn = ConnectionFactory.createConnection(CONF1)) {</span> |
| <span class="source-line-no">052</span><span id="line-52"> try (Table table = conn.getTable(tableName)) {</span> |
| <span class="source-line-no">053</span><span id="line-53"> LOG.info("Start loading table");</span> |
| <span class="source-line-no">054</span><span id="line-54"> initialCount = UTIL1.loadTable(table, famName);</span> |
| <span class="source-line-no">055</span><span id="line-55"> LOG.info("Done loading table");</span> |
| <span class="source-line-no">056</span><span id="line-56"> killer.join(5000);</span> |
| <span class="source-line-no">057</span><span id="line-57"> LOG.info("Done waiting for threads");</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> while (true) {</span> |
| <span class="source-line-no">060</span><span id="line-60"> try (ResultScanner scanner = table.getScanner(new Scan())) {</span> |
| <span class="source-line-no">061</span><span id="line-61"> res = scanner.next(initialCount);</span> |
| <span class="source-line-no">062</span><span id="line-62"> break;</span> |
| <span class="source-line-no">063</span><span id="line-63"> } catch (UnknownScannerException ex) {</span> |
| <span class="source-line-no">064</span><span id="line-64"> LOG.info("Cluster wasn't ready yet, restarting scanner");</span> |
| <span class="source-line-no">065</span><span id="line-65"> }</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"> // Test we actually have all the rows, we may miss some because we</span> |
| <span class="source-line-no">070</span><span id="line-70"> // don't have IO fencing.</span> |
| <span class="source-line-no">071</span><span id="line-71"> if (res.length != initialCount) {</span> |
| <span class="source-line-no">072</span><span id="line-72"> LOG.warn("We lost some rows on the master cluster!");</span> |
| <span class="source-line-no">073</span><span id="line-73"> // We don't really expect the other cluster to have more rows</span> |
| <span class="source-line-no">074</span><span id="line-74"> initialCount = res.length;</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> int lastCount = 0;</span> |
| <span class="source-line-no">078</span><span id="line-78"> final long start = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">079</span><span id="line-79"> int i = 0;</span> |
| <span class="source-line-no">080</span><span id="line-80"> try (Connection conn = ConnectionFactory.createConnection(CONF2)) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> try (Table table = conn.getTable(tableName)) {</span> |
| <span class="source-line-no">082</span><span id="line-82"> while (true) {</span> |
| <span class="source-line-no">083</span><span id="line-83"> if (i == NB_RETRIES - 1) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> fail("Waited too much time for queueFailover replication. " + "Waited "</span> |
| <span class="source-line-no">085</span><span id="line-85"> + (EnvironmentEdgeManager.currentTime() - start) + "ms.");</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> Result[] res2;</span> |
| <span class="source-line-no">088</span><span id="line-88"> try (ResultScanner scanner = table.getScanner(new Scan())) {</span> |
| <span class="source-line-no">089</span><span id="line-89"> res2 = scanner.next(initialCount * 2);</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"> if (res2.length < initialCount) {</span> |
| <span class="source-line-no">092</span><span id="line-92"> if (lastCount < res2.length) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> i--; // Don't increment timeout if we make progress</span> |
| <span class="source-line-no">094</span><span id="line-94"> } else {</span> |
| <span class="source-line-no">095</span><span id="line-95"> i++;</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97"> lastCount = res2.length;</span> |
| <span class="source-line-no">098</span><span id="line-98"> LOG.info(</span> |
| <span class="source-line-no">099</span><span id="line-99"> "Only got " + lastCount + " rows instead of " + initialCount + " current i=" + i);</span> |
| <span class="source-line-no">100</span><span id="line-100"> Thread.sleep(SLEEP_TIME * 2);</span> |
| <span class="source-line-no">101</span><span id="line-101"> } else {</span> |
| <span class="source-line-no">102</span><span id="line-102"> break;</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104"> }</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> private static Thread killARegionServer(final HBaseTestingUtil utility, final long timeout,</span> |
| <span class="source-line-no">110</span><span id="line-110"> final int rs) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> Thread killer = new Thread() {</span> |
| <span class="source-line-no">112</span><span id="line-112"> @Override</span> |
| <span class="source-line-no">113</span><span id="line-113"> public void run() {</span> |
| <span class="source-line-no">114</span><span id="line-114"> try {</span> |
| <span class="source-line-no">115</span><span id="line-115"> Thread.sleep(timeout);</span> |
| <span class="source-line-no">116</span><span id="line-116"> utility.getHBaseCluster().getRegionServer(rs).stop("Stopping as part of the test");</span> |
| <span class="source-line-no">117</span><span id="line-117"> } catch (Exception e) {</span> |
| <span class="source-line-no">118</span><span id="line-118"> LOG.error("Couldn't kill a region server", e);</span> |
| <span class="source-line-no">119</span><span id="line-119"> }</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"> };</span> |
| <span class="source-line-no">122</span><span id="line-122"> killer.setDaemon(true);</span> |
| <span class="source-line-no">123</span><span id="line-123"> killer.start();</span> |
| <span class="source-line-no">124</span><span id="line-124"> return killer;</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126">}</span> |
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| </pre> |
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