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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.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<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.EnumSet;<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 org.apache.hadoop.hbase.ClusterMetrics;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ServerMetrics;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.ServerName;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.Waiter;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Put;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.testclassification.ReplicationTests;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.util.Threads;<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.Test;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.junit.experimental.categories.Category;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span>@Category({ ReplicationTests.class, MediumTests.class })<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>public class TestReplicationStatus extends TestReplicationBase {<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private static final Logger LOG = LoggerFactory.getLogger(TestReplicationStatus.class);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> @ClassRule<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> HBaseClassTestRule.forClass(TestReplicationStatus.class);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> static void insertRowsOnSource() throws IOException {<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> final byte[] qualName = Bytes.toBytes("q");<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> for (int i = 0; i < NB_ROWS_IN_BATCH; i++) {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> Put p = new Put(Bytes.toBytes("row" + i));<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> p.addColumn(famName, qualName, Bytes.toBytes("val" + i));<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> htable1.put(p);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> }<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> }<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> * Test for HBASE-9531.<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * <p/><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * put a few rows into htable1, which should be replicated to htable2 <br/><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * create a ClusterStatus instance 'status' from HBaseAdmin <br/><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * test : status.getLoad(server).getReplicationLoadSourceList() <br/><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * test : status.getLoad(server).getReplicationLoadSink()<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> @Test<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> public void testReplicationStatus() throws Exception {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> // This test wants two RS's up. We only run one generally so add one.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> UTIL1.getMiniHBaseCluster().startRegionServer();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> Waiter.waitFor(UTIL1.getConfiguration(), 30000, new Waiter.Predicate<Exception>() {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @Override<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public boolean evaluate() throws Exception {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> return UTIL1.getMiniHBaseCluster().getLiveRegionServerThreads().size() > 1;<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> Admin hbaseAdmin = UTIL1.getAdmin();<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // disable peer <= WHY? I DON'T GET THIS DISABLE BUT TEST FAILS W/O IT.<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> hbaseAdmin.disableReplicationPeer(PEER_ID2);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> insertRowsOnSource();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> LOG.info("AFTER PUTS");<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> // TODO: Change this wait to a barrier. I tried waiting on replication stats to<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // change but sleeping in main thread seems to mess up background replication.<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> // HACK! To address flakeyness.<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> Threads.sleep(10000);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> ClusterMetrics metrics = hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS));<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> for (JVMClusterUtil.RegionServerThread thread : UTIL1.getHBaseCluster()<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> .getRegionServerThreads()) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> ServerName server = thread.getRegionServer().getServerName();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> assertTrue("" + server, metrics.getLiveServerMetrics().containsKey(server));<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> ServerMetrics sm = metrics.getLiveServerMetrics().get(server);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> List<ReplicationLoadSource> rLoadSourceList = sm.getReplicationLoadSourceList();<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> ReplicationLoadSink rLoadSink = sm.getReplicationLoadSink();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // check SourceList only has one entry, because only has one peer<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> assertEquals("Failed to get ReplicationLoadSourceList " + rLoadSourceList + ", " + server, 1,<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> rLoadSourceList.size());<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> assertEquals(PEER_ID2, rLoadSourceList.get(0).getPeerID());<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> // check Sink exist only as it is difficult to verify the value on the fly<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> assertTrue("failed to get ReplicationLoadSink.AgeOfLastShippedOp ",<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> (rLoadSink.getAgeOfLastAppliedOp() >= 0));<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> assertTrue("failed to get ReplicationLoadSink.TimeStampsOfLastAppliedOp ",<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> (rLoadSink.getTimestampsOfLastAppliedOp() >= 0));<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> // Stop rs1, then the queue of rs1 will be transfered to rs0<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> HRegionServer hrs = UTIL1.getHBaseCluster().getRegionServer(1);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> hrs.stop("Stop RegionServer");<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> while (hrs.isAlive()) {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> Threads.sleep(100);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> // To be sure it dead and references cleaned up. TODO: Change this to a barrier.<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> // I tried waiting on replication stats to change but sleeping in main thread<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> // seems to mess up background replication.<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> Threads.sleep(10000);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> ServerName server = UTIL1.getHBaseCluster().getRegionServer(0).getServerName();<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> List<ReplicationLoadSource> rLoadSourceList = waitOnMetricsReport(1, server);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> // The remaining server should now have two queues -- the original and then the one that was<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> // added because of failover. The original should still be PEER_ID2 though.<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> assertEquals("Failed ReplicationLoadSourceList " + rLoadSourceList, 2, rLoadSourceList.size());<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> assertEquals(PEER_ID2, rLoadSourceList.get(0).getPeerID());<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> /**<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * Wait until Master shows metrics counts for ReplicationLoadSourceList that are greater than<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * <code>greaterThan</code> for <code>serverName</code> before returning. We want to avoid case<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * where RS hasn't yet updated Master before allowing test proceed.<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * @param greaterThan size of replicationLoadSourceList must be greater before we proceed<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> */<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> private List<ReplicationLoadSource> waitOnMetricsReport(int greaterThan, ServerName serverName)<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> throws Exception {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> UTIL1.waitFor(30000, 1000, new Waiter.ExplainingPredicate<Exception>() {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> @Override<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public boolean evaluate() throws Exception {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> List<ReplicationLoadSource> list =<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics()<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> .get(serverName).getReplicationLoadSourceList();<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> return list.size() > greaterThan;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> @Override<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> public String explainFailure() throws Exception {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> return "The ReplicationLoadSourceList's size is lesser than or equal to " + greaterThan<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> + " for " + serverName;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<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> return hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics()<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> .get(serverName).getReplicationLoadSourceList();<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span>}<a name="line.156"></a> |
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