Package org.apache.hadoop.hbase.util.JVMClusterUtil

Examples of org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread

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    TEST_UTIL.startMiniZKCluster();
    TEST_UTIL.createRootDir();
    final LocalHBaseCluster cluster =
        new LocalHBaseCluster(conf, NUM_MASTERS, NUM_RS, HMaster.class,
            MiniHBaseCluster.MiniHBaseClusterRegionServer.class);
    final MasterThread master = cluster.getMasters().get(0);
    master.start();
    Thread shutdownThread = new Thread() {
      public void run() {
        try {
          TEST_UTIL.getHBaseAdmin().shutdown();
          cluster.waitOnMaster(0);
        } catch (Exception e) {
        }
      };
    };
    shutdownThread.start();
    master.join();
    shutdownThread.join();

    List<MasterThread> masterThreads = cluster.getMasters();
    // make sure all the masters properly shutdown
    assertEquals(0, masterThreads.size());
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    TEST_UTIL.startMiniDFSCluster(3);
    TEST_UTIL.startMiniZKCluster();
    TEST_UTIL.createRootDir();
    final LocalHBaseCluster cluster =
        new LocalHBaseCluster(conf, NUM_MASTERS, NUM_RS, HMaster.class, MockedRegionServer.class);
    final MasterThread master = cluster.getMasters().get(0);
    master.start();
    try {
      long startTime = System.currentTimeMillis();
      while (!master.getMaster().isActiveMaster()) {
        try {
          Thread.sleep(100);
        } catch (InterruptedException ignored) {
        }
        if (System.currentTimeMillis() > startTime + 30000) {
          throw new RuntimeException("Master not active after 30 seconds");
        }
      }
      masterActive = true;
      cluster.getRegionServers().get(0).start();
      Thread.sleep(10000);
      List<ServerName> onlineServersList =
          master.getMaster().getServerManager().getOnlineServersList();
      while (!onlineServersList.isEmpty()) {
        Thread.sleep(100);
        onlineServersList = master.getMaster().getServerManager().getOnlineServersList();
      }
      assertTrue(onlineServersList.isEmpty());
      master.getMaster().stop("stopping master");
      master.join();
    } finally {
      masterActive = false;
      TEST_UTIL.shutdownMiniZKCluster();
      TEST_UTIL.shutdownMiniDFSCluster();
      TEST_UTIL.cleanupTestDir();
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    assertEquals(
        "The number of regions for the table tableRestart should be 0 and only"
            + "the catalog tables should be present.", 2, regions.size());

    List<MasterThread> masterThreads = cluster.getMasterThreads();
    MasterThread activeMaster = null;
    if (masterThreads.get(0).getMaster().isActiveMaster()) {
      activeMaster = masterThreads.get(0);
    } else {
      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");
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    assertEquals(
        "The number of regions for the table tableRestart should be 0 and only"
            + "the catalog tables should be present.", 2, regions.size());

    List<MasterThread> masterThreads = cluster.getMasterThreads();
    MasterThread activeMaster = null;
    if (masterThreads.get(0).getMaster().isActiveMaster()) {
      activeMaster = masterThreads.get(0);
    } else {
      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(
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    TEST_UTIL.startMiniDFSCluster(3);
    TEST_UTIL.startMiniZKCluster();
    TEST_UTIL.createRootDir();
    final LocalHBaseCluster cluster =
        new LocalHBaseCluster(conf, NUM_MASTERS, NUM_RS, HMaster.class, MockedRegionServer.class);
    final MasterThread master = cluster.getMasters().get(0);
    master.start();
    try {
      long startTime = System.currentTimeMillis();
      while (!master.getMaster().isActiveMaster()) {
        try {
          Thread.sleep(100);
        } catch (InterruptedException ignored) {
        }
        if (System.currentTimeMillis() > startTime + 30000) {
          throw new RuntimeException("Master not active after 30 seconds");
        }
      }
      masterActive = true;
      cluster.getRegionServers().get(0).start();
      cluster.getRegionServers().get(1).start();
      Thread.sleep(10000);
      List<ServerName> onlineServersList =
          master.getMaster().getServerManager().getOnlineServersList();
      while (onlineServersList.size() != 1) {
        Thread.sleep(100);
        onlineServersList = master.getMaster().getServerManager().getOnlineServersList();
      }
      assertEquals(onlineServersList.size(), 1);
      cluster.shutdown();
    } finally {
      masterActive = false;
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    assertRegionsAssigned(cluster, regions);
    assertEquals(expectedNumRS, cluster.getRegionServerThreads().size());

    // Master Restarts
    List<MasterThread> masterThreads = cluster.getMasterThreads();
    MasterThread activeMaster = null;
    MasterThread backupMaster = null;
    assertEquals(2, masterThreads.size());
    if (masterThreads.get(0).getMaster().isActiveMaster()) {
      activeMaster = masterThreads.get(0);
      backupMaster = masterThreads.get(1);
    } else {
      activeMaster = masterThreads.get(1);
      backupMaster = masterThreads.get(0);
    }

    // Bring down the backup master
    log("Stopping backup master\n\n");
    backupMaster.getMaster().stop("Stop of backup during rolling restart");
    cluster.hbaseCluster.waitOnMaster(backupMaster);

    // Bring down the primary master
    log("Stopping primary master\n\n");
    activeMaster.getMaster().stop("Stop of active during rolling restart");
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    assertEquals(
        "The number of regions for the table tableRestart should be 0 and only"
            + "the catalog tables should be present.", 2, regions.size());

    List<MasterThread> masterThreads = cluster.getMasterThreads();
    MasterThread activeMaster = null;
    if (masterThreads.get(0).getMaster().isActiveMaster()) {
      activeMaster = masterThreads.get(0);
    } else {
      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");
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    assertRegionsAssigned(cluster, regions);
    assertEquals(expectedNumRS, cluster.getRegionServerThreads().size());

    // Master Restarts
    List<MasterThread> masterThreads = cluster.getMasterThreads();
    MasterThread activeMaster = null;
    MasterThread backupMaster = null;
    assertEquals(2, masterThreads.size());
    if (masterThreads.get(0).getMaster().isActiveMaster()) {
      activeMaster = masterThreads.get(0);
      backupMaster = masterThreads.get(1);
    } else {
      activeMaster = masterThreads.get(1);
      backupMaster = masterThreads.get(0);
    }

    // Bring down the backup master
    log("Stopping backup master\n\n");
    backupMaster.getMaster().stop("Stop of backup during rolling restart");
    cluster.hbaseCluster.waitOnMaster(backupMaster);

    // Bring down the primary master
    log("Stopping primary master\n\n");
    activeMaster.getMaster().stop("Stop of active during rolling restart");
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    assertRegionsAssigned(cluster, regions);
    assertEquals(expectedNumRS, cluster.getRegionServerThreads().size());

    // Master Restarts
    List<MasterThread> masterThreads = cluster.getMasterThreads();
    MasterThread activeMaster = null;
    MasterThread backupMaster = null;
    assertEquals(2, masterThreads.size());
    if (masterThreads.get(0).getMaster().isActiveMaster()) {
      activeMaster = masterThreads.get(0);
      backupMaster = masterThreads.get(1);
    } else {
      activeMaster = masterThreads.get(1);
      backupMaster = masterThreads.get(0);
    }

    // Bring down the backup master
    log("Stopping backup master\n\n");
    backupMaster.getMaster().stop("Stop of backup during rolling restart");
    cluster.hbaseCluster.waitOnMaster(backupMaster);

    // Bring down the primary master
    log("Stopping primary master\n\n");
    activeMaster.getMaster().stop("Stop of active during rolling restart");
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    TEST_UTIL.startMiniDFSCluster(3);
    TEST_UTIL.startMiniZKCluster();
    TEST_UTIL.createRootDir();
    final LocalHBaseCluster cluster =
        new LocalHBaseCluster(conf, NUM_MASTERS, NUM_RS, HMaster.class, MockedRegionServer.class);
    final MasterThread master = cluster.getMasters().get(0);
    master.start();
    try {
      long startTime = System.currentTimeMillis();
      while (!master.getMaster().isActiveMaster()) {
        try {
          Thread.sleep(100);
        } catch (InterruptedException ignored) {
        }
        if (System.currentTimeMillis() > startTime + 30000) {
          throw new RuntimeException("Master not active after 30 seconds");
        }
      }
      masterActive = true;
      cluster.getRegionServers().get(0).start();
      cluster.getRegionServers().get(1).start();
      Thread.sleep(10000);
      List<ServerName> onlineServersList =
          master.getMaster().getServerManager().getOnlineServersList();
      while (onlineServersList.size()!=1) {
        Thread.sleep(100);
        onlineServersList = master.getMaster().getServerManager().getOnlineServersList();
      }
      assertEquals(onlineServersList.size(), 1);
    } finally {
      masterActive = false;
      firstRS.set(true);
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Related Classes of org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread

  • org.apache.hadoop.hbase.master.TestMasterRestartAfterDisablingTable
  • org.apache.hadoop.hbase.master.TestMasterShutdown
  • org.apache.hadoop.hbase.master.TestRollingRestart
  • org.apache.hadoop.hbase.regionserver.TestRSKilledWhenInitializing
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