001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.replication;
019
020import static org.junit.Assert.assertEquals;
021import static org.junit.Assert.assertTrue;
022
023import java.util.EnumSet;
024import java.util.List;
025import org.apache.hadoop.hbase.ClusterMetrics;
026import org.apache.hadoop.hbase.ClusterMetrics.Option;
027import org.apache.hadoop.hbase.HBaseClassTestRule;
028import org.apache.hadoop.hbase.ServerName;
029import org.apache.hadoop.hbase.client.Admin;
030import org.apache.hadoop.hbase.client.Put;
031import org.apache.hadoop.hbase.testclassification.MediumTests;
032import org.apache.hadoop.hbase.testclassification.ReplicationTests;
033import org.apache.hadoop.hbase.util.Bytes;
034import org.junit.ClassRule;
035import org.junit.Test;
036import org.junit.experimental.categories.Category;
037
038@Category({ ReplicationTests.class, MediumTests.class })
039public class TestReplicationStatusBothNormalAndRecoveryLagging extends TestReplicationBase {
040
041  @ClassRule
042  public static final HBaseClassTestRule CLASS_RULE =
043    HBaseClassTestRule.forClass(TestReplicationStatusBothNormalAndRecoveryLagging.class);
044
045  @Test
046  public void testReplicationStatusBothNormalAndRecoveryLagging() throws Exception {
047    // stop all region servers, we need to keep the master up as the below assertions need to get
048    // cluster id from remote cluster, if master is also down, we can not get any information from
049    // the remote cluster after source cluster restarts
050    stopAllRegionServers(UTIL2);
051
052    // add some values to cluster 1
053    for (int i = 0; i < NB_ROWS_IN_BATCH; i++) {
054      Put p = new Put(Bytes.toBytes("row" + i));
055      p.addColumn(famName, Bytes.toBytes("col1"), Bytes.toBytes("val" + i));
056      htable1.put(p);
057    }
058    Thread.sleep(10000);
059    restartSourceCluster(1);
060    Admin hbaseAdmin = UTIL1.getAdmin();
061    ServerName serverName = UTIL1.getHBaseCluster().getRegionServer(0).getServerName();
062    Thread.sleep(10000);
063    // add more values to cluster 1, these should cause normal queue to lag
064    for (int i = 0; i < NB_ROWS_IN_BATCH; i++) {
065      Put p = new Put(Bytes.toBytes("row" + i));
066      p.addColumn(famName, Bytes.toBytes("col1"), Bytes.toBytes("val" + i));
067      htable1.put(p);
068    }
069    Thread.sleep(10000);
070    ClusterMetrics metrics = hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS));
071    List<ReplicationLoadSource> loadSources =
072      metrics.getLiveServerMetrics().get(serverName).getReplicationLoadSourceList();
073    assertEquals(2, loadSources.size());
074    boolean foundRecovery = false;
075    boolean foundNormal = false;
076    for (ReplicationLoadSource loadSource : loadSources) {
077      if (loadSource.isRecovered()) {
078        foundRecovery = true;
079      } else {
080        foundNormal = true;
081      }
082      assertTrue(loadSource.hasEditsSinceRestart());
083      assertEquals(0, loadSource.getTimestampOfLastShippedOp());
084      assertTrue(loadSource.getReplicationLag() > 0);
085    }
086    assertTrue("No normal queue found.", foundNormal);
087    assertTrue("No recovery queue found.", foundRecovery);
088  }
089}