Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.MiniHBaseCluster.waitForActiveAndReadyMaster()

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    conf.setInt("hbase.master.assignment.timeoutmonitor.timeout", 5000);
    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
    TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS);
    MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
    log("Waiting for active/ready master");
    cluster.waitForActiveAndReadyMaster();
    ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "testmasterRestart", null);
    HMaster master = cluster.getMaster();

    // Create a table with regions
    byte[] table = Bytes.toBytes("tableRestart");
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      activeMaster = masterThreads.get(1);
    }
    activeMaster.getMaster().stop(
        "stopping the active master so that the backup can become active");
    cluster.hbaseCluster.waitOnMaster(activeMaster);
    cluster.waitForActiveAndReadyMaster();

    log("Enabling table\n");
    TEST_UTIL.getHBaseAdmin().enableTable(table);
    log("Waiting for no more RIT\n");
    blockUntilNoRIT(zkw, master);
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    conf.setInt("hbase.master.assignment.timeoutmonitor.timeout", 5000);
    HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
    TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS);
    MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
    log("Waiting for active/ready master");
    cluster.waitForActiveAndReadyMaster();
    ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "testmasterRestart", null);
    HMaster master = cluster.getMaster();

    // Create a table with regions
    byte[] table = Bytes.toBytes("tableRestart");
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      activeMaster = masterThreads.get(1);
    }
    activeMaster.getMaster().stop(
        "stopping the active master so that the backup can become active");
    cluster.hbaseCluster.waitOnMaster(activeMaster);
    cluster.waitForActiveAndReadyMaster();
    assertTrue("The table should not be in enabled state", cluster.getMaster()
        .getAssignmentManager().getZKTable().isDisablingOrDisabledTable(
            "tableRestart"));
    log("Enabling table\n");
    TEST_UTIL.getHBaseAdmin().enableTable(table);
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    LOG.debug("\n\nStopping the active master\n");
    cluster.stopMaster(activeIndex, false);
    cluster.waitOnMaster(activeIndex);

    // wait for an active master to show up and be ready
    assertTrue(cluster.waitForActiveAndReadyMaster());

    LOG.debug("\n\nVerifying backup master is now active\n");
    // should only have one master now
    assertEquals(1, masterThreads.size());
    // and he should be active
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    // get all the master threads
    List<MasterThread> masterThreads = cluster.getMasterThreads();
    assertEquals(1, masterThreads.size());

    // only one master thread, let's wait for it to be initialized
    assertTrue(cluster.waitForActiveAndReadyMaster());
    HMaster master = masterThreads.get(0).getMaster();
    assertTrue(master.isActiveMaster());
    assertTrue(master.isInitialized());

    // disable load balancing on this master
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    // Start up a new master
    log("Starting up a new master");
    master = cluster.startMaster().getMaster();
    log("Waiting for master to be ready");
    cluster.waitForActiveAndReadyMaster();
    log("Master is ready");

    // Failover should be completed, now wait for no RIT
    log("Waiting for no more RIT");
    ZKAssign.blockUntilNoRIT(zkw);
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    // get all the master threads
    List<MasterThread> masterThreads = cluster.getMasterThreads();
    assertEquals(1, masterThreads.size());

    // only one master thread, let's wait for it to be initialized
    assertTrue(cluster.waitForActiveAndReadyMaster());
    HMaster master = masterThreads.get(0).getMaster();
    assertTrue(master.isActiveMaster());
    assertTrue(master.isInitialized());

    // disable load balancing on this master
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    // Start up a new master
    log("Starting up a new master");
    master = cluster.startMaster().getMaster();
    log("Waiting for master to be ready");
    cluster.waitForActiveAndReadyMaster();
    log("Master is ready");

    // Let's add some weird states to master in-memory state

    // After HBASE-3181, we need to have some ZK state if we're PENDING_OPEN
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    cluster.stopMaster(0, false);
    cluster.waitOnMaster(0);

    // start up a new master
    cluster.startMaster();
    assertTrue(cluster.waitForActiveAndReadyMaster());

    // test that the same unmanaged connection works with a new
    // HBaseAdmin and can connect to the new master;
    HBaseAdmin newAdmin = new HBaseAdmin(conn);
    assertTrue(newAdmin.tableExists(tableName));
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