Package org.apache.hadoop.hbase.executor

Examples of org.apache.hadoop.hbase.executor.RegionTransitionData

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        }
    };
    handler.process();

    // Handler should have transitioned it to FAILED_OPEN
    RegionTransitionData data =
      ZKAssign.getData(server.getZooKeeper(), TEST_HRI.getEncodedName());
    assertEquals(EventType.RS_ZK_REGION_FAILED_OPEN, data.getEventType());
  }
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    try {
      handler.process();
    } catch (Exception e) {
      // Ignore the IOException that we have thrown from cleanupFailedOpen
    }
    RegionTransitionData data =
        ZKAssign.getData(server.getZooKeeper(), TEST_HRI.getEncodedName());
    assertEquals(EventType.RS_ZK_REGION_FAILED_OPEN, data.getEventType());
  }
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      String path = ZKAssign.getNodeName(t.getConnection().getZooKeeperWatcher(),
        hri.getEncodedName());
      Stat stats =
        t.getConnection().getZooKeeperWatcher().getRecoverableZooKeeper().exists(path, false);
      LOG.info("EPHEMERAL NODE BEFORE SERVER ABORT, path=" + path + ", stats=" + stats);
      RegionTransitionData rtd =
        ZKAssign.getData(t.getConnection().getZooKeeperWatcher(),
          hri.getEncodedName());
      // State could be SPLIT or SPLITTING.
      assertTrue(rtd.getEventType().equals(EventType.RS_ZK_REGION_SPLIT) ||
        rtd.getEventType().equals(EventType.RS_ZK_REGION_SPLITTING));
      // Now crash the server
      cluster.abortRegionServer(tableRegionIndex);
      waitUntilRegionServerDead();
      awaitDaughters(tableName, daughters.size());
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          .getZooKeeperWatcher(), hri.getEncodedName());
      Stat stats = t.getConnection().getZooKeeperWatcher()
          .getRecoverableZooKeeper().exists(path, false);
      LOG.info("EPHEMERAL NODE BEFORE SERVER ABORT, path=" + path + ", stats="
          + stats);
      RegionTransitionData rtd = ZKAssign.getData(t.getConnection()
          .getZooKeeperWatcher(), hri.getEncodedName());
      // State could be SPLIT or SPLITTING.
      assertTrue(rtd.getEventType().equals(EventType.RS_ZK_REGION_SPLIT)
          || rtd.getEventType().equals(EventType.RS_ZK_REGION_SPLITTING));


      // abort and wait for new master.
      MockMasterWithoutCatalogJanitor master = abortAndWaitForMaster();
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  boolean processRegionInTransition(final String encodedRegionName,
      final HRegionInfo regionInfo,
      final Map<ServerName,List<Pair<HRegionInfo,Result>>> deadServers)
  throws KeeperException, IOException {
    Stat stat = new Stat();
    RegionTransitionData data = ZKAssign.getDataAndWatch(watcher,
        encodedRegionName, stat);
    if (data == null) return false;
    HRegionInfo hri = regionInfo;
    if (hri == null) {
      if ((hri = getHRegionInfo(data)) == null) return false;
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  @Override
  public void nodeCreated(String path) {
    if(path.startsWith(watcher.assignmentZNode)) {
      try {
        Stat stat = new Stat();
        RegionTransitionData data = ZKAssign.getDataAndWatch(watcher, path, stat);
        if (data == null) {
          return;
        }
        handleRegion(data, stat.getVersion());
      } catch (KeeperException e) {
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  @Override
  public void nodeDataChanged(String path) {
    if(path.startsWith(watcher.assignmentZNode)) {
      try {
        Stat stat = new Stat();
        RegionTransitionData data = ZKAssign.getDataAndWatch(watcher, path, stat);
        if (data == null) {
          return;
        }
        handleRegion(data, stat.getVersion());
      } catch (KeeperException e) {
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            watcher.assignmentZNode);
        if (children != null) {
          Stat stat = new Stat();
          for (String child : children) {
            stat.setVersion(0);
            RegionTransitionData data = ZKAssign.getDataAndWatch(watcher,
                ZKUtil.joinZNode(watcher.assignmentZNode, child), stat);
            // See HBASE-7551, handle splitting here as well, in case we miss the node change event
            if (stat.getVersion() > 0 && data.getEventType() == EventType.RS_ZK_REGION_SPLITTING) {
              handleRegion(data, stat.getVersion());
            }
          }
        }
      } catch(KeeperException e) {
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   */
  private boolean isSplitOrSplitting(final String path) throws KeeperException {
    boolean result = false;
    // This may fail if the SPLIT or SPLITTING znode gets cleaned up before we
    // can get data from it.
    RegionTransitionData data = ZKAssign.getData(master.getZooKeeper(), path);
    EventType evt = data.getEventType();
    switch (evt) {
    case RS_ZK_REGION_SPLIT:
    case RS_ZK_REGION_SPLITTING:
      result = true;
      break;
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          HRegionInfo regionInfo = region.getFirst();
          Result result = region.getSecond();
          // If region was in transition (was in zk) force it offline for
          // reassign
          try {
            RegionTransitionData data = ZKAssign.getData(watcher,
                regionInfo.getEncodedName());

            // If zk node of this region has been updated by a live server,
            // we consider that this region is being handled.
            // So we should skip it and process it in
            // processRegionsInTransition.
            if (data != null && data.getOrigin() != null &&
                serverManager.isServerOnline(data.getOrigin())) {
              LOG.info("The region " + regionInfo.getEncodedName()
                  + "is being handled on " + data.getOrigin());
              continue;
            }
            // Process with existing RS shutdown code
            boolean assign = ServerShutdownHandler.processDeadRegion(
                regionInfo, result, this, this.catalogTracker);
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Related Classes of org.apache.hadoop.hbase.executor.RegionTransitionData

  • org.apache.hadoop.hbase.master.AssignmentManager
  • org.apache.hadoop.hbase.master.AssignmentManager$TimeoutMonitor
  • org.apache.hadoop.hbase.master.TestAssignmentManager
  • org.apache.hadoop.hbase.master.TestMasterFailover
  • org.apache.hadoop.hbase.regionserver.handler.TestCloseRegionHandler
  • org.apache.hadoop.hbase.regionserver.handler.TestOpenRegionHandler
  • org.apache.hadoop.hbase.regionserver.SplitTransaction
  • org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster
  • org.apache.hadoop.hbase.util.TestHBaseFsck
  • org.apache.hadoop.hbase.zookeeper.ZKAssign
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