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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.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.EnumSet;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.ClusterMetrics;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.ClusterMetrics.Option;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.ServerMetrics;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.Waiter;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.MediumTests;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.testclassification.ReplicationTests;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.JVMClusterUtil;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.ClassRule;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.Test;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.slf4j.Logger;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46">@Category({ ReplicationTests.class, MediumTests.class })</span> |
| <span class="source-line-no">047</span><span id="line-47">public class TestReplicationStatus extends TestReplicationBase {</span> |
| <span class="source-line-no">048</span><span id="line-48"> private static final Logger LOG = LoggerFactory.getLogger(TestReplicationStatus.class);</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> @ClassRule</span> |
| <span class="source-line-no">051</span><span id="line-51"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">052</span><span id="line-52"> HBaseClassTestRule.forClass(TestReplicationStatus.class);</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> static void insertRowsOnSource() throws IOException {</span> |
| <span class="source-line-no">055</span><span id="line-55"> final byte[] qualName = Bytes.toBytes("q");</span> |
| <span class="source-line-no">056</span><span id="line-56"> for (int i = 0; i < NB_ROWS_IN_BATCH; i++) {</span> |
| <span class="source-line-no">057</span><span id="line-57"> Put p = new Put(Bytes.toBytes("row" + i));</span> |
| <span class="source-line-no">058</span><span id="line-58"> p.addColumn(famName, qualName, Bytes.toBytes("val" + i));</span> |
| <span class="source-line-no">059</span><span id="line-59"> htable1.put(p);</span> |
| <span class="source-line-no">060</span><span id="line-60"> }</span> |
| <span class="source-line-no">061</span><span id="line-61"> }</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> /**</span> |
| <span class="source-line-no">064</span><span id="line-64"> * Test for HBASE-9531.</span> |
| <span class="source-line-no">065</span><span id="line-65"> * <p/></span> |
| <span class="source-line-no">066</span><span id="line-66"> * put a few rows into htable1, which should be replicated to htable2 <br/></span> |
| <span class="source-line-no">067</span><span id="line-67"> * create a ClusterStatus instance 'status' from HBaseAdmin <br/></span> |
| <span class="source-line-no">068</span><span id="line-68"> * test : status.getLoad(server).getReplicationLoadSourceList() <br/></span> |
| <span class="source-line-no">069</span><span id="line-69"> * test : status.getLoad(server).getReplicationLoadSink()</span> |
| <span class="source-line-no">070</span><span id="line-70"> */</span> |
| <span class="source-line-no">071</span><span id="line-71"> @Test</span> |
| <span class="source-line-no">072</span><span id="line-72"> public void testReplicationStatus() throws Exception {</span> |
| <span class="source-line-no">073</span><span id="line-73"> // This test wants two RS's up. We only run one generally so add one.</span> |
| <span class="source-line-no">074</span><span id="line-74"> UTIL1.getMiniHBaseCluster().startRegionServer();</span> |
| <span class="source-line-no">075</span><span id="line-75"> Waiter.waitFor(UTIL1.getConfiguration(), 30000, new Waiter.Predicate<Exception>() {</span> |
| <span class="source-line-no">076</span><span id="line-76"> @Override</span> |
| <span class="source-line-no">077</span><span id="line-77"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">078</span><span id="line-78"> return UTIL1.getMiniHBaseCluster().getLiveRegionServerThreads().size() > 1;</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"> });</span> |
| <span class="source-line-no">081</span><span id="line-81"> Admin hbaseAdmin = UTIL1.getAdmin();</span> |
| <span class="source-line-no">082</span><span id="line-82"> // disable peer <= WHY? I DON'T GET THIS DISABLE BUT TEST FAILS W/O IT.</span> |
| <span class="source-line-no">083</span><span id="line-83"> hbaseAdmin.disableReplicationPeer(PEER_ID2);</span> |
| <span class="source-line-no">084</span><span id="line-84"> insertRowsOnSource();</span> |
| <span class="source-line-no">085</span><span id="line-85"> LOG.info("AFTER PUTS");</span> |
| <span class="source-line-no">086</span><span id="line-86"> // TODO: Change this wait to a barrier. I tried waiting on replication stats to</span> |
| <span class="source-line-no">087</span><span id="line-87"> // change but sleeping in main thread seems to mess up background replication.</span> |
| <span class="source-line-no">088</span><span id="line-88"> // HACK! To address flakeyness.</span> |
| <span class="source-line-no">089</span><span id="line-89"> Threads.sleep(10000);</span> |
| <span class="source-line-no">090</span><span id="line-90"> ClusterMetrics metrics = hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS));</span> |
| <span class="source-line-no">091</span><span id="line-91"> for (JVMClusterUtil.RegionServerThread thread : UTIL1.getHBaseCluster()</span> |
| <span class="source-line-no">092</span><span id="line-92"> .getRegionServerThreads()) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> ServerName server = thread.getRegionServer().getServerName();</span> |
| <span class="source-line-no">094</span><span id="line-94"> assertTrue("" + server, metrics.getLiveServerMetrics().containsKey(server));</span> |
| <span class="source-line-no">095</span><span id="line-95"> ServerMetrics sm = metrics.getLiveServerMetrics().get(server);</span> |
| <span class="source-line-no">096</span><span id="line-96"> List<ReplicationLoadSource> rLoadSourceList = sm.getReplicationLoadSourceList();</span> |
| <span class="source-line-no">097</span><span id="line-97"> ReplicationLoadSink rLoadSink = sm.getReplicationLoadSink();</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> // check SourceList only has one entry, because only has one peer</span> |
| <span class="source-line-no">100</span><span id="line-100"> assertEquals("Failed to get ReplicationLoadSourceList " + rLoadSourceList + ", " + server, 1,</span> |
| <span class="source-line-no">101</span><span id="line-101"> rLoadSourceList.size());</span> |
| <span class="source-line-no">102</span><span id="line-102"> assertEquals(PEER_ID2, rLoadSourceList.get(0).getPeerID());</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> // check Sink exist only as it is difficult to verify the value on the fly</span> |
| <span class="source-line-no">105</span><span id="line-105"> assertTrue("failed to get ReplicationLoadSink.AgeOfLastShippedOp ",</span> |
| <span class="source-line-no">106</span><span id="line-106"> (rLoadSink.getAgeOfLastAppliedOp() >= 0));</span> |
| <span class="source-line-no">107</span><span id="line-107"> assertTrue("failed to get ReplicationLoadSink.TimeStampsOfLastAppliedOp ",</span> |
| <span class="source-line-no">108</span><span id="line-108"> (rLoadSink.getTimestampsOfLastAppliedOp() >= 0));</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> // Stop rs1, then the queue of rs1 will be transfered to rs0</span> |
| <span class="source-line-no">112</span><span id="line-112"> HRegionServer hrs = UTIL1.getHBaseCluster().getRegionServer(1);</span> |
| <span class="source-line-no">113</span><span id="line-113"> hrs.stop("Stop RegionServer");</span> |
| <span class="source-line-no">114</span><span id="line-114"> while (hrs.isAlive()) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> Threads.sleep(100);</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> // To be sure it dead and references cleaned up. TODO: Change this to a barrier.</span> |
| <span class="source-line-no">118</span><span id="line-118"> // I tried waiting on replication stats to change but sleeping in main thread</span> |
| <span class="source-line-no">119</span><span id="line-119"> // seems to mess up background replication.</span> |
| <span class="source-line-no">120</span><span id="line-120"> Threads.sleep(10000);</span> |
| <span class="source-line-no">121</span><span id="line-121"> ServerName server = UTIL1.getHBaseCluster().getRegionServer(0).getServerName();</span> |
| <span class="source-line-no">122</span><span id="line-122"> List<ReplicationLoadSource> rLoadSourceList = waitOnMetricsReport(1, server);</span> |
| <span class="source-line-no">123</span><span id="line-123"> // The remaining server should now have two queues -- the original and then the one that was</span> |
| <span class="source-line-no">124</span><span id="line-124"> // added because of failover. The original should still be PEER_ID2 though.</span> |
| <span class="source-line-no">125</span><span id="line-125"> assertEquals("Failed ReplicationLoadSourceList " + rLoadSourceList, 2, rLoadSourceList.size());</span> |
| <span class="source-line-no">126</span><span id="line-126"> assertEquals(PEER_ID2, rLoadSourceList.get(0).getPeerID());</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> /**</span> |
| <span class="source-line-no">130</span><span id="line-130"> * Wait until Master shows metrics counts for ReplicationLoadSourceList that are greater than</span> |
| <span class="source-line-no">131</span><span id="line-131"> * <code>greaterThan</code> for <code>serverName</code> before returning. We want to avoid case</span> |
| <span class="source-line-no">132</span><span id="line-132"> * where RS hasn't yet updated Master before allowing test proceed.</span> |
| <span class="source-line-no">133</span><span id="line-133"> * @param greaterThan size of replicationLoadSourceList must be greater before we proceed</span> |
| <span class="source-line-no">134</span><span id="line-134"> */</span> |
| <span class="source-line-no">135</span><span id="line-135"> private List<ReplicationLoadSource> waitOnMetricsReport(int greaterThan, ServerName serverName)</span> |
| <span class="source-line-no">136</span><span id="line-136"> throws Exception {</span> |
| <span class="source-line-no">137</span><span id="line-137"> UTIL1.waitFor(30000, 1000, new Waiter.ExplainingPredicate<Exception>() {</span> |
| <span class="source-line-no">138</span><span id="line-138"> @Override</span> |
| <span class="source-line-no">139</span><span id="line-139"> public boolean evaluate() throws Exception {</span> |
| <span class="source-line-no">140</span><span id="line-140"> List<ReplicationLoadSource> list =</span> |
| <span class="source-line-no">141</span><span id="line-141"> hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics()</span> |
| <span class="source-line-no">142</span><span id="line-142"> .get(serverName).getReplicationLoadSourceList();</span> |
| <span class="source-line-no">143</span><span id="line-143"> return list.size() > greaterThan;</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> @Override</span> |
| <span class="source-line-no">147</span><span id="line-147"> public String explainFailure() throws Exception {</span> |
| <span class="source-line-no">148</span><span id="line-148"> return "The ReplicationLoadSourceList's size is lesser than or equal to " + greaterThan</span> |
| <span class="source-line-no">149</span><span id="line-149"> + " for " + serverName;</span> |
| <span class="source-line-no">150</span><span id="line-150"> }</span> |
| <span class="source-line-no">151</span><span id="line-151"> });</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> return hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics()</span> |
| <span class="source-line-no">154</span><span id="line-154"> .get(serverName).getReplicationLoadSourceList();</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156">}</span> |
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| </div> |
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