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.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.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.HBaseTestingUtil;
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.jupiter.api.Tag;
035import org.junit.jupiter.api.Test;
036
037@Tag(ReplicationTests.TAG)
038@Tag(MediumTests.TAG)
039public class TestReplicationStatusAfterLagging extends TestReplicationBase {
040
041  @Override
042  protected String getClusterKey(HBaseTestingUtil util) throws Exception {
043    // in this test we will restart the peer cluster, and the master address will be changed, so we
044    // need to use zk based connection uri
045    return util.getZkConnectionURI();
046  }
047
048  @Test
049  public void testReplicationStatusAfterLagging() throws Exception {
050    UTIL2.shutdownMiniHBaseCluster();
051    restartSourceCluster(1);
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    UTIL2.startMiniHBaseCluster();
059    Thread.sleep(10000);
060    Admin hbaseAdmin = UTIL1.getAdmin();
061    ServerName serverName = UTIL1.getHBaseCluster().getRegionServer(0).getServerName();
062    ClusterMetrics metrics = hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS));
063    List<ReplicationLoadSource> loadSources =
064      metrics.getLiveServerMetrics().get(serverName).getReplicationLoadSourceList();
065    assertEquals(1, loadSources.size());
066    ReplicationLoadSource loadSource = loadSources.get(0);
067    assertTrue(loadSource.hasEditsSinceRestart());
068    assertTrue(loadSource.getTimestampOfLastShippedOp() > 0);
069    assertEquals(0, loadSource.getReplicationLag());
070  }
071}