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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.hamcrest.CoreMatchers.endsWith;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.hamcrest.MatcherAssert.assertThat;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.master.MasterFileSystem;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.regionserver.HRegionServer;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.regionserver.LogRoller;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.testclassification.ReplicationTests;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.junit.ClassRule;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.junit.Test;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">037</span><span id="line-37"></span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;</span> |
| <span class="source-line-no">039</span><span id="line-39"></span> |
| <span class="source-line-no">040</span><span id="line-40">/**</span> |
| <span class="source-line-no">041</span><span id="line-41"> * Testcase to confirm that serial replication will not be stuck when using along with synchronous</span> |
| <span class="source-line-no">042</span><span id="line-42"> * replication. See HBASE-21486 for more details.</span> |
| <span class="source-line-no">043</span><span id="line-43"> */</span> |
| <span class="source-line-no">044</span><span id="line-44">@Category({ ReplicationTests.class, LargeTests.class })</span> |
| <span class="source-line-no">045</span><span id="line-45">public class TestSerialSyncReplication extends SyncReplicationTestBase {</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> @ClassRule</span> |
| <span class="source-line-no">048</span><span id="line-48"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">049</span><span id="line-49"> HBaseClassTestRule.forClass(TestSerialSyncReplication.class);</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> @Test</span> |
| <span class="source-line-no">052</span><span id="line-52"> public void test() throws Exception {</span> |
| <span class="source-line-no">053</span><span id="line-53"> // change to serial</span> |
| <span class="source-line-no">054</span><span id="line-54"> UTIL1.getAdmin().updateReplicationPeerConfig(PEER_ID, ReplicationPeerConfig</span> |
| <span class="source-line-no">055</span><span id="line-55"> .newBuilder(UTIL1.getAdmin().getReplicationPeerConfig(PEER_ID)).setSerial(true).build());</span> |
| <span class="source-line-no">056</span><span id="line-56"> UTIL2.getAdmin().updateReplicationPeerConfig(PEER_ID, ReplicationPeerConfig</span> |
| <span class="source-line-no">057</span><span id="line-57"> .newBuilder(UTIL2.getAdmin().getReplicationPeerConfig(PEER_ID)).setSerial(true).build());</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,</span> |
| <span class="source-line-no">060</span><span id="line-60"> SyncReplicationState.STANDBY);</span> |
| <span class="source-line-no">061</span><span id="line-61"> UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,</span> |
| <span class="source-line-no">062</span><span id="line-62"> SyncReplicationState.ACTIVE);</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> UTIL2.getAdmin().disableReplicationPeer(PEER_ID);</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> writeAndVerifyReplication(UTIL1, UTIL2, 0, 100);</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> MasterFileSystem mfs = UTIL2.getMiniHBaseCluster().getMaster().getMasterFileSystem();</span> |
| <span class="source-line-no">069</span><span id="line-69"> Path remoteWALDir = ReplicationUtils.getPeerRemoteWALDir(</span> |
| <span class="source-line-no">070</span><span id="line-70"> new Path(mfs.getWALRootDir(), ReplicationUtils.REMOTE_WAL_DIR_NAME), PEER_ID);</span> |
| <span class="source-line-no">071</span><span id="line-71"> FileStatus[] remoteWALStatus = mfs.getWALFileSystem().listStatus(remoteWALDir);</span> |
| <span class="source-line-no">072</span><span id="line-72"> assertEquals(1, remoteWALStatus.length);</span> |
| <span class="source-line-no">073</span><span id="line-73"> Path remoteWAL = remoteWALStatus[0].getPath();</span> |
| <span class="source-line-no">074</span><span id="line-74"> assertThat(remoteWAL.getName(), endsWith(ReplicationUtils.SYNC_WAL_SUFFIX));</span> |
| <span class="source-line-no">075</span><span id="line-75"> // roll the wal writer, so that we will delete the remore wal. This is used to make sure that we</span> |
| <span class="source-line-no">076</span><span id="line-76"> // will not replay this wal when transiting to DA.</span> |
| <span class="source-line-no">077</span><span id="line-77"> for (RegionServerThread t : UTIL1.getMiniHBaseCluster().getRegionServerThreads()) {</span> |
| <span class="source-line-no">078</span><span id="line-78"> LogRoller roller = t.getRegionServer().getWalRoller();</span> |
| <span class="source-line-no">079</span><span id="line-79"> roller.requestRollAll();</span> |
| <span class="source-line-no">080</span><span id="line-80"> roller.waitUntilWalRollFinished();</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"> waitUntilDeleted(UTIL2, remoteWAL);</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,</span> |
| <span class="source-line-no">085</span><span id="line-85"> SyncReplicationState.DOWNGRADE_ACTIVE);</span> |
| <span class="source-line-no">086</span><span id="line-86"> UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,</span> |
| <span class="source-line-no">087</span><span id="line-87"> SyncReplicationState.STANDBY);</span> |
| <span class="source-line-no">088</span><span id="line-88"> // let's reopen the region</span> |
| <span class="source-line-no">089</span><span id="line-89"> RegionInfo region = Iterables.getOnlyElement(UTIL2.getAdmin().getRegions(TABLE_NAME));</span> |
| <span class="source-line-no">090</span><span id="line-90"> HRegionServer target = UTIL2.getOtherRegionServer(UTIL2.getRSForFirstRegionInTable(TABLE_NAME));</span> |
| <span class="source-line-no">091</span><span id="line-91"> UTIL2.getAdmin().move(region.getEncodedNameAsBytes(), target.getServerName());</span> |
| <span class="source-line-no">092</span><span id="line-92"> // here we will remove all the pending wals. This is not a normal operation sequence but anyway,</span> |
| <span class="source-line-no">093</span><span id="line-93"> // user could do this.</span> |
| <span class="source-line-no">094</span><span id="line-94"> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,</span> |
| <span class="source-line-no">095</span><span id="line-95"> SyncReplicationState.STANDBY);</span> |
| <span class="source-line-no">096</span><span id="line-96"> // transit back to DA</span> |
| <span class="source-line-no">097</span><span id="line-97"> UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,</span> |
| <span class="source-line-no">098</span><span id="line-98"> SyncReplicationState.DOWNGRADE_ACTIVE);</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> UTIL2.getAdmin().enableReplicationPeer(PEER_ID);</span> |
| <span class="source-line-no">101</span><span id="line-101"> // make sure that the async replication still works</span> |
| <span class="source-line-no">102</span><span id="line-102"> writeAndVerifyReplication(UTIL2, UTIL1, 100, 200);</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> |
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