Examples of CatalogTracker

org.apache.hadoop.hbase.catalog.CatalogTracker
Tracks the availability of the catalog tables -ROOT- and .META.. This class is "read-only" in that the locations of the catalog tables cannot be explicitly set. Instead, ZooKeeper is used to learn of the availability and location of -ROOT-. -ROOT- is used to learn of the location of .META. If not available in -ROOT-, ZooKeeper is used to monitor for a new location of .META..
Call {@link #start()} to start up operation. Call {@link #stop()}} to interrupt waits and close up shop.

Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @throws IOException
   * @see #cleanupCatalogTracker(CatalogTracker)
   */
  private synchronized CatalogTracker getCatalogTracker()
  throws ZooKeeperConnectionException, IOException {
    CatalogTracker ct = null;
    try {
      ct = new CatalogTracker(this.conf);
      ct.start();
    } catch (InterruptedException e) {
      // Let it out as an IOE for now until we redo all so tolerate IEs
      Thread.currentThread().interrupt();
      throw new IOException("Interrupted", e);
    }

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @throws IOException
   */
  public boolean tableExists(final String tableName)
  throws IOException {
    boolean b = false;
    CatalogTracker ct = getCatalogTracker();
    try {
      b = MetaReader.tableExists(ct, tableName);
    } finally {
      cleanupCatalogTracker(ct);
    }

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * <code> host187.example.com,60020,1289493121758</code>
   * @throws IOException if a remote or network exception occurs
   */
  public void closeRegion(final byte [] regionname, final String serverName)
  throws IOException {
    CatalogTracker ct = getCatalogTracker();
    try {
      if (serverName != null) {
        Pair<HRegionInfo, ServerName> pair = MetaReader.getRegion(ct, regionname);
        if (pair == null || pair.getFirst() == null) {
          throw new UnknownRegionException(Bytes.toStringBinary(regionname));

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @throws IOException if a remote or network exception occurs
   * @throws InterruptedException
   */
  public void flush(final byte [] tableNameOrRegionName)
  throws IOException, InterruptedException {
    CatalogTracker ct = getCatalogTracker();
    try {
      Pair<HRegionInfo, ServerName> regionServerPair
        = getRegion(tableNameOrRegionName, ct);
      if (regionServerPair != null) {
        if (regionServerPair.getSecond() == null) {

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @throws InterruptedException
   */
  private void compact(final byte [] tableNameOrRegionName,
    final byte[] columnFamily, final boolean major)
  throws IOException, InterruptedException {
    CatalogTracker ct = getCatalogTracker();
    try {
      Pair<HRegionInfo, ServerName> regionServerPair
        = getRegion(tableNameOrRegionName, ct);
      if (regionServerPair != null) {
        if (regionServerPair.getSecond() == null) {

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @throws IOException if a remote or network exception occurs
   * @throws InterruptedException interrupt exception occurred
   */
  public void split(final byte [] tableNameOrRegionName,
      final byte [] splitPoint) throws IOException, InterruptedException {
    CatalogTracker ct = getCatalogTracker();
    try {
      Pair<HRegionInfo, ServerName> regionServerPair
        = getRegion(tableNameOrRegionName, ct);
      if (regionServerPair != null) {
        if (regionServerPair.getSecond() == null) {

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @return Ordered list of {@link HRegionInfo}.
   * @throws IOException
   */
  public List<HRegionInfo> getTableRegions(final byte[] tableName)
  throws IOException {
    CatalogTracker ct = getCatalogTracker();
    List<HRegionInfo> Regions = null;
    try {
      Regions = MetaReader.getTableRegions(ct, tableName, true);
    } finally {
      cleanupCatalogTracker(ct);

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @return the current compaction state
   */
  public CompactionState getCompactionState(final byte [] tableNameOrRegionName)
      throws IOException, InterruptedException {
    CompactionState state = CompactionState.NONE;
    CatalogTracker ct = getCatalogTracker();
    try {
      Pair<HRegionInfo, ServerName> regionServerPair
        = getRegion(tableNameOrRegionName, ct);
      if (regionServerPair != null) {
        if (regionServerPair.getSecond() == null) {

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

   * @throws IOException
   * @throws InterruptedException
   */
  private void initializeZKBasedSystemTrackers() throws IOException,
      InterruptedException, KeeperException {
    this.catalogTracker = new CatalogTracker(this.zooKeeper, this.conf, this);
    this.catalogTracker.start();


    this.balancer = LoadBalancerFactory.getLoadBalancer(conf);
    this.assignmentManager = new AssignmentManager(this, serverManager,
        this.catalogTracker, this.balancer, this.executorService);

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Examples of org.apache.hadoop.hbase.catalog.CatalogTracker

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


    // Create the catalog tracker and start it;
    this.catalogTracker = new CatalogTracker(this.zooKeeper, this.conf, this);
    catalogTracker.start();


    // watch for snapshots
    try {
      this.snapshotManager = new RegionServerSnapshotManager(this);

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