Java LoadBalancerTracker类代码示例

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
@Before
public void setup() throws Exception {
  TEST_UTIL.getConfiguration().setInt("zookeeper.session.timeout", 30000);
  TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM, 3);
  TEST_UTIL.getConfiguration().setInt(
      StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD, 1000);
  TEST_UTIL.startMiniCluster(3);
  // disable the balancer
  LoadBalancerTracker l = new LoadBalancerTracker(TEST_UTIL.getZooKeeperWatcher(),
      new Abortable() {
    boolean aborted = false;
    @Override
    public boolean isAborted() {
      return aborted;
    }
    @Override
    public void abort(String why, Throwable e) {
      aborted = true;
    }
  });
  l.setBalancerOn(false);
  for (int replicaId = 1; replicaId < 3; replicaId ++) {
    HRegionInfo h = RegionReplicaUtil.getRegionInfoForReplica(HRegionInfo.FIRST_META_REGIONINFO,
      replicaId);
    TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager().waitForAssignment(h);
  }
  LOG.debug("All meta replicas assigned");
}
 

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
/**
 * Initialize all ZK based system trackers.
 *
 * @throws IOException
 * @throws InterruptedException
 * @throws KeeperException
 * @throws CoordinatedStateException
 */
void initializeZKBasedSystemTrackers() throws IOException,
        InterruptedException, KeeperException, CoordinatedStateException {
    this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
    this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);
    this.loadBalancerTracker.start();
    this.assignmentManager = new AssignmentManager(this, serverManager,
            this.balancer, this.service, this.metricsMaster,
            this.tableLockManager);
    zooKeeper.registerListenerFirst(assignmentManager);

    this.regionServerTracker = new RegionServerTracker(zooKeeper, this,
            this.serverManager);
    this.regionServerTracker.start();

    this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this,
            this.serverManager);
    this.drainingServerTracker.start();

    // Set the cluster as up.  If new RSs, they'll be waiting on this before
    // going ahead with their startup.
    boolean wasUp = this.clusterStatusTracker.isClusterUp();
    if (!wasUp) this.clusterStatusTracker.setClusterUp();

    LOG.info("Server active/primary master=" + this.serverName +
            ", sessionid=0x" +
            Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +
            ", setting cluster-up flag (Was=" + wasUp + ")");

    // create/initialize the snapshot manager and other procedure managers
    this.snapshotManager = new SnapshotManager();
    this.mpmHost = new MasterProcedureManagerHost();
    this.mpmHost.register(this.snapshotManager);
    this.mpmHost.register(new MasterFlushTableProcedureManager());
    this.mpmHost.loadProcedures(conf);
    this.mpmHost.initialize(this, this.metricsMaster);
}
 

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
/**
 * Initialize all ZK based system trackers.
 * @throws IOException
 * @throws InterruptedException
 */
void initializeZKBasedSystemTrackers() throws IOException,
    InterruptedException, KeeperException {
  this.catalogTracker = createCatalogTracker(this.zooKeeper, this.conf, this);
  this.catalogTracker.start();

  this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
  this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);
  this.loadBalancerTracker.start();
  this.assignmentManager = new AssignmentManager(this, serverManager,
    this.catalogTracker, this.balancer, this.executorService, this.metricsMaster,
    this.tableLockManager);
  zooKeeper.registerListenerFirst(assignmentManager);

  this.regionServerTracker = new RegionServerTracker(zooKeeper, this,
      this.serverManager);
  this.regionServerTracker.start();

  this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this,
    this.serverManager);
  this.drainingServerTracker.start();

  // Set the cluster as up.  If new RSs, they'll be waiting on this before
  // going ahead with their startup.
  boolean wasUp = this.clusterStatusTracker.isClusterUp();
  if (!wasUp) this.clusterStatusTracker.setClusterUp();

  LOG.info("Server active/primary master=" + this.serverName +
      ", sessionid=0x" +
      Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +
      ", setting cluster-up flag (Was=" + wasUp + ")");

  // create/initialize the snapshot manager and other procedure managers
  this.snapshotManager = new SnapshotManager();
  this.mpmHost = new MasterProcedureManagerHost();
  this.mpmHost.register(this.snapshotManager);
  this.mpmHost.loadProcedures(conf);
  this.mpmHost.initialize(this, this.metricsMaster);
}
 

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
/**
 * Initialize all ZK based system trackers.
 * @throws IOException
 * @throws InterruptedException
 * @throws KeeperException
 * @throws CoordinatedStateException
 */
void initializeZKBasedSystemTrackers() throws IOException,
    InterruptedException, KeeperException, CoordinatedStateException {
  this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
  this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);
  this.loadBalancerTracker.start();
  this.assignmentManager = new AssignmentManager(this, serverManager,
    this.catalogTracker, this.balancer, this.service, this.metricsMaster,
    this.tableLockManager);
  zooKeeper.registerListenerFirst(assignmentManager);

  this.regionServerTracker = new RegionServerTracker(zooKeeper, this,
      this.serverManager);
  this.regionServerTracker.start();

  this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this,
    this.serverManager);
  this.drainingServerTracker.start();

  // Set the cluster as up.  If new RSs, they'll be waiting on this before
  // going ahead with their startup.
  boolean wasUp = this.clusterStatusTracker.isClusterUp();
  if (!wasUp) this.clusterStatusTracker.setClusterUp();

  LOG.info("Server active/primary master=" + this.serverName +
      ", sessionid=0x" +
      Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +
      ", setting cluster-up flag (Was=" + wasUp + ")");

  // create/initialize the snapshot manager and other procedure managers
  this.snapshotManager = new SnapshotManager();
  this.mpmHost = new MasterProcedureManagerHost();
  this.mpmHost.register(this.snapshotManager);
  this.mpmHost.register(new MasterFlushTableProcedureManager());
  this.mpmHost.loadProcedures(conf);
  this.mpmHost.initialize(this, this.metricsMaster);
}
 

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
/**
 * Initialize all ZK based system trackers.
 * @throws IOException
 * @throws InterruptedException
 */
void initializeZKBasedSystemTrackers() throws IOException,
    InterruptedException, KeeperException {
  this.catalogTracker = createCatalogTracker(this.zooKeeper, this.conf, this);
  this.catalogTracker.start();

  this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
  this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);
  this.loadBalancerTracker.start();
  this.assignmentManager = new AssignmentManager(this, serverManager,
    this.catalogTracker, this.balancer, this.executorService, this.metricsMaster,
    this.tableLockManager);
  zooKeeper.registerListenerFirst(assignmentManager);

  this.regionServerTracker = new RegionServerTracker(zooKeeper, this,
      this.serverManager);
  this.regionServerTracker.start();

  this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this,
    this.serverManager);
  this.drainingServerTracker.start();

  // Set the cluster as up.  If new RSs, they'll be waiting on this before
  // going ahead with their startup.
  boolean wasUp = this.clusterStatusTracker.isClusterUp();
  if (!wasUp) this.clusterStatusTracker.setClusterUp();

  LOG.info("Server active/primary master=" + this.serverName +
      ", sessionid=0x" +
      Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +
      ", setting cluster-up flag (Was=" + wasUp + ")");

  // create the snapshot manager
  this.snapshotManager = new SnapshotManager(this, this.metricsMaster);
}
 

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
/**
 * Initialize all ZK based system trackers.
 * @throws IOException
 * @throws InterruptedException
 */
private void initializeZKBasedSystemTrackers() throws IOException,
    InterruptedException, KeeperException {
  this.catalogTracker = createCatalogTracker(this.zooKeeper, this.conf,
      this, conf.getInt("hbase.master.catalog.timeout", 600000));
  this.catalogTracker.start();

  this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
  this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);
  this.loadBalancerTracker.start();
  this.assignmentManager = new AssignmentManager(this, serverManager,
    this.catalogTracker, this.balancer, this.executorService, this.metricsMaster);
  zooKeeper.registerListenerFirst(assignmentManager);

  this.regionServerTracker = new RegionServerTracker(zooKeeper, this,
      this.serverManager);
  this.regionServerTracker.start();

  this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this,
    this.serverManager);
  this.drainingServerTracker.start();

  // Set the cluster as up.  If new RSs, they'll be waiting on this before
  // going ahead with their startup.
  boolean wasUp = this.clusterStatusTracker.isClusterUp();
  if (!wasUp) this.clusterStatusTracker.setClusterUp();

  LOG.info("Server active/primary master; " + this.serverName +
      ", sessionid=0x" +
      Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +
      ", cluster-up flag was=" + wasUp);
}
 

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
/**
 * Initialize all ZK based system trackers.
 * @throws IOException
 * @throws InterruptedException
 * @throws KeeperException
 * @throws CoordinatedStateException
 */
void initializeZKBasedSystemTrackers() throws IOException,
    InterruptedException, KeeperException, CoordinatedStateException {
  this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
  this.normalizer = RegionNormalizerFactory.getRegionNormalizer(conf);
  this.normalizer.setMasterServices(this);
  this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);
  this.loadBalancerTracker.start();
  this.regionNormalizerTracker = new RegionNormalizerTracker(zooKeeper, this);
  this.regionNormalizerTracker.start();
  this.assignmentManager = new AssignmentManager(this, serverManager,
    this.balancer, this.service, this.metricsMaster,
    this.tableLockManager);
  zooKeeper.registerListenerFirst(assignmentManager);

  this.regionServerTracker = new RegionServerTracker(zooKeeper, this,
      this.serverManager);
  this.regionServerTracker.start();

  this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this,
    this.serverManager);
  this.drainingServerTracker.start();

  // Set the cluster as up.  If new RSs, they'll be waiting on this before
  // going ahead with their startup.
  boolean wasUp = this.clusterStatusTracker.isClusterUp();
  if (!wasUp) this.clusterStatusTracker.setClusterUp();

  LOG.info("Server active/primary master=" + this.serverName +
      ", sessionid=0x" +
      Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +
      ", setting cluster-up flag (Was=" + wasUp + ")");

  // create/initialize the snapshot manager and other procedure managers
  this.snapshotManager = new SnapshotManager();
  this.mpmHost = new MasterProcedureManagerHost();
  this.mpmHost.register(this.snapshotManager);
  this.mpmHost.register(new MasterFlushTableProcedureManager());
  this.mpmHost.loadProcedures(conf);
  this.mpmHost.initialize(this, this.metricsMaster);
}
 

import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker; //导入依赖的package包/类
/**
 * Initialize all ZK based system trackers.
 */
void initializeZKBasedSystemTrackers() throws IOException, InterruptedException, KeeperException,
    CoordinatedStateException, ReplicationException {
  this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
  this.normalizer = RegionNormalizerFactory.getRegionNormalizer(conf);
  this.normalizer.setMasterServices(this);
  this.normalizer.setMasterRpcServices((MasterRpcServices)rpcServices);
  this.loadBalancerTracker = new LoadBalancerTracker(zooKeeper, this);
  this.loadBalancerTracker.start();

  this.regionNormalizerTracker = new RegionNormalizerTracker(zooKeeper, this);
  this.regionNormalizerTracker.start();

  this.splitOrMergeTracker = new SplitOrMergeTracker(zooKeeper, conf, this);
  this.splitOrMergeTracker.start();

  // Create Assignment Manager
  this.assignmentManager = new AssignmentManager(this);
  this.assignmentManager.start();

  this.replicationPeerManager = ReplicationPeerManager.create(zooKeeper, conf);

  this.regionServerTracker = new RegionServerTracker(zooKeeper, this, this.serverManager);
  this.regionServerTracker.start();

  this.drainingServerTracker = new DrainingServerTracker(zooKeeper, this, this.serverManager);
  this.drainingServerTracker.start();

  this.maintenanceModeTracker = new MasterMaintenanceModeTracker(zooKeeper);
  this.maintenanceModeTracker.start();

  // Set the cluster as up.  If new RSs, they'll be waiting on this before
  // going ahead with their startup.
  boolean wasUp = this.clusterStatusTracker.isClusterUp();
  if (!wasUp) this.clusterStatusTracker.setClusterUp();

  LOG.info("Active/primary master=" + this.serverName +
      ", sessionid=0x" +
      Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()) +
      ", setting cluster-up flag (Was=" + wasUp + ")");

  // create/initialize the snapshot manager and other procedure managers
  this.snapshotManager = new SnapshotManager();
  this.mpmHost = new MasterProcedureManagerHost();
  this.mpmHost.register(this.snapshotManager);
  this.mpmHost.register(new MasterFlushTableProcedureManager());
  this.mpmHost.loadProcedures(conf);
  this.mpmHost.initialize(this, this.metricsMaster);
}