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

Class org.apache.hadoop.hbase.MiniHBaseCluster

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

org.apache.hadoop.hbase.MiniHBaseCluster.waitForActiveAndReadyMaster()
Blocks until there is an active master and that master has completed initialization. @return true if an active master becomes available. false if there are nomasters left. @throws InterruptedException

    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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    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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    TableName table =
        TableName.valueOf("tableRegionShouldNotBeDeployed");
    try {
      LOG.info("Starting testRegionShouldNotBeDeployed.");
      MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
      assertTrue(cluster.waitForActiveAndReadyMaster());




      byte[][] SPLIT_KEYS = new byte[][] { new byte[0], Bytes.toBytes("aaa"),
          Bytes.toBytes("bbb"), Bytes.toBytes("ccc"), Bytes.toBytes("ddd") };
      HTableDescriptor htdDisabled = new HTableDescriptor(table);

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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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      Threads.sleep(10);
    }
    log("Starting up a new master");
    master = cluster.startMaster().getMaster();
    log("Waiting for master to be ready");
    assertTrue(cluster.waitForActiveAndReadyMaster());
    log("Master is ready");
    
    // Wait until SSH processing completed for dead server.
    while (master.getServerManager().areDeadServersInProgress()) {
      Thread.sleep(10);

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    LOG.debug("\n\nStopping the active master " + active.getServerName() + "\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());

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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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