Examples of org.apache.hadoop.hbase.zookeeper.MasterAddressTracker

Package org.apache.hadoop.hbase.zookeeper

Examples of org.apache.hadoop.hbase.zookeeper.MasterAddressTracker

org.apache.hadoop.hbase.zookeeper.MasterAddressTracker
Manages the location of the current active Master for the RegionServer.
Listens for ZooKeeper events related to the master address. The node /master will contain the address of the current master. This listener is interested in NodeDeleted and NodeCreated events on /master.
Utilizes {@link ZooKeeperNodeTracker} for zk interactions.
You can get the current master via {@link #getMasterAddress()} or via{@link #getMasterAddress(ZooKeeperWatcher)} if you do not have a runninginstance of this Tracker in your context.
This class also includes utility for interacting with the master znode, for writing and reading the znode content.

    MonitoredTask startupStatus =
      TaskMonitor.get().createStatus("Master startup");
    startupStatus.setDescription("Master startup");
    masterStartTime = System.currentTimeMillis();
    try {
      this.masterAddressTracker = new MasterAddressTracker(getZooKeeperWatcher(), this);
      this.masterAddressTracker.start();


      // Put up info server.
      int port = this.conf.getInt("hbase.master.info.port", 60010);
      if (port >= 0) {

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      this.isa.getPort(), this);


    // Create the master address tracker, register with zk, and start it.  Then
    // block until a master is available.  No point in starting up if no master
    // running.
    this.masterAddressTracker = new MasterAddressTracker(this.zooKeeper, this);
    this.masterAddressTracker.start();
    blockAndCheckIfStopped(this.masterAddressTracker);


    // Wait on cluster being up.  Master will set this flag up in zookeeper
    // when ready.

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      this.csm.start();


      tableLockManager = TableLockManager.createTableLockManager(
        conf, zooKeeper, serverName);


      masterAddressTracker = new MasterAddressTracker(getZooKeeper(), this);
      masterAddressTracker.start();


      clusterStatusTracker = new ClusterStatusTracker(zooKeeper, this);
      clusterStatusTracker.start();
    }

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   */
  private void initializeZooKeeper() throws IOException, InterruptedException {
    // Create the master address tracker, register with zk, and start it.  Then
    // block until a master is available.  No point in starting up if no master
    // running.
    this.masterAddressTracker = new MasterAddressTracker(this.zooKeeper, this);
    this.masterAddressTracker.start();
    blockAndCheckIfStopped(this.masterAddressTracker);


    // Wait on cluster being up.  Master will set this flag up in zookeeper
    // when ready.

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    MonitoredTask startupStatus =
      TaskMonitor.get().createStatus("Master startup");
    startupStatus.setDescription("Master startup");
    masterStartTime = System.currentTimeMillis();
    try {
      this.masterAddressManager = new MasterAddressTracker(getZooKeeperWatcher(), this);
      this.masterAddressManager.start();


      // Put up info server.
      int port = this.conf.getInt("hbase.master.info.port", 60010);
      if (port >= 0) {

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    MonitoredTask startupStatus =
      TaskMonitor.get().createStatus("Master startup");
    startupStatus.setDescription("Master startup");
    masterStartTime = System.currentTimeMillis();
    try {
      this.masterAddressManager = new MasterAddressTracker(getZooKeeperWatcher(), this);
      this.masterAddressManager.start();


      // Put up info server.
      int port = this.conf.getInt("hbase.master.info.port", 60010);
      if (port >= 0) {

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    ZooKeeperWatcher zkw = Mockito.mock(ZooKeeperWatcher.class);
    Mockito.doReturn("fakequorum").when(zkw).getQuorum();
    Mockito.doReturn(zkw).when(rs).getZooKeeper();


    // Fake MasterAddressTracker
    MasterAddressTracker mat = Mockito.mock(MasterAddressTracker.class);
    Mockito.doReturn(fakeMasterAddress).when(mat).getMasterAddress();
    Mockito.doReturn(mat).when(rs).getMasterAddressTracker();


    MetricsRegionServer rms = Mockito.mock(MetricsRegionServer.class);
    Mockito.doReturn(new MetricsRegionServerWrapperStub()).when(rms).getRegionServerWrapper();

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    ZooKeeperWatcher zkw = Mockito.mock(ZooKeeperWatcher.class);
    Mockito.doReturn("fakequorum").when(zkw).getQuorum();
    Mockito.doReturn(zkw).when(master).getZooKeeper();


    // Fake MasterAddressTracker
    MasterAddressTracker tracker = Mockito.mock(MasterAddressTracker.class);
    Mockito.doReturn(tracker).when(master).getMasterAddressTracker();
    Mockito.doReturn(FAKE_HOST).when(tracker).getMasterAddress();


    MetricsRegionServer rms = Mockito.mock(MetricsRegionServer.class);
    Mockito.doReturn(new MetricsRegionServerWrapperStub()).when(rms).getRegionServerWrapper();

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      this.isa.getPort(), this);


    // Create the master address tracker, register with zk, and start it.  Then
    // block until a master is available.  No point in starting up if no master
    // running.
    this.masterAddressTracker = new MasterAddressTracker(this.zooKeeper, this);
    this.masterAddressTracker.start();
    blockAndCheckIfStopped(this.masterAddressTracker);


    // Wait on cluster being up.  Master will set this flag up in zookeeper
    // when ready.

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    MonitoredTask startupStatus =
      TaskMonitor.get().createStatus("Master startup");
    startupStatus.setDescription("Master startup");
    masterStartTime = System.currentTimeMillis();
    try {
      this.masterAddressTracker = new MasterAddressTracker(getZooKeeperWatcher(), this);
      this.masterAddressTracker.start();


      // Put up info server.
      int port = this.conf.getInt("hbase.master.info.port", 60010);
      if (port >= 0) {

View Full Code Here

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