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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.hamcrest.CoreMatchers.endsWith;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertThat;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.fs.FileStatus;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.Path;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.master.MasterFileSystem;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.regionserver.LogRoller;<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.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.ClassRule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.Test;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.junit.experimental.categories.Category;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span>/**<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * Testcase to confirm that serial replication will not be stuck when using along with synchronous<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * replication. See HBASE-21486 for more details.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>@Category({ ReplicationTests.class, LargeTests.class })<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>public class TestSerialSyncReplication extends SyncReplicationTestBase {<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(TestSerialSyncReplication.class);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> @Test<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public void test() throws Exception {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // change to serial<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> UTIL1.getAdmin().updateReplicationPeerConfig(PEER_ID, ReplicationPeerConfig<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> .newBuilder(UTIL1.getAdmin().getReplicationPeerConfig(PEER_ID)).setSerial(true).build());<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> UTIL2.getAdmin().updateReplicationPeerConfig(PEER_ID, ReplicationPeerConfig<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> .newBuilder(UTIL2.getAdmin().getReplicationPeerConfig(PEER_ID)).setSerial(true).build());<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> SyncReplicationState.STANDBY);<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> SyncReplicationState.ACTIVE);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> UTIL2.getAdmin().disableReplicationPeer(PEER_ID);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> writeAndVerifyReplication(UTIL1, UTIL2, 0, 100);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> MasterFileSystem mfs = UTIL2.getMiniHBaseCluster().getMaster().getMasterFileSystem();<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> Path remoteWALDir = ReplicationUtils.getPeerRemoteWALDir(<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> new Path(mfs.getWALRootDir(), ReplicationUtils.REMOTE_WAL_DIR_NAME), PEER_ID);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> FileStatus[] remoteWALStatus = mfs.getWALFileSystem().listStatus(remoteWALDir);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> assertEquals(1, remoteWALStatus.length);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> Path remoteWAL = remoteWALStatus[0].getPath();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> assertThat(remoteWAL.getName(), endsWith(ReplicationUtils.SYNC_WAL_SUFFIX));<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> // roll the wal writer, so that we will delete the remore wal. This is used to make sure that we<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> // will not replay this wal when transiting to DA.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> for (RegionServerThread t : UTIL1.getMiniHBaseCluster().getRegionServerThreads()) {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> LogRoller roller = t.getRegionServer().getWalRoller();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> roller.requestRollAll();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> roller.waitUntilWalRollFinished();<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> waitUntilDeleted(UTIL2, remoteWAL);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> SyncReplicationState.DOWNGRADE_ACTIVE);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> SyncReplicationState.STANDBY);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> // let's reopen the region<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> RegionInfo region = Iterables.getOnlyElement(UTIL2.getAdmin().getRegions(TABLE_NAME));<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> HRegionServer target = UTIL2.getOtherRegionServer(UTIL2.getRSForFirstRegionInTable(TABLE_NAME));<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> UTIL2.getAdmin().move(region.getEncodedNameAsBytes(), target.getServerName());<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> // here we will remove all the pending wals. This is not a normal operation sequence but anyway,<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // user could do this.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> SyncReplicationState.STANDBY);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> // transit back to DA<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> SyncReplicationState.DOWNGRADE_ACTIVE);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> UTIL2.getAdmin().enableReplicationPeer(PEER_ID);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> // make sure that the async replication still works<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> writeAndVerifyReplication(UTIL2, UTIL1, 100, 200);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span>}<a name="line.104"></a> |
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| </pre> |
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