Package org.apache.accumulo.server.master.LiveTServerSet

Examples of org.apache.accumulo.server.master.LiveTServerSet.TServerConnection

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                case ASSIGNED_TO_DEAD_SERVER:
                  assignedToDeadServers.add(tls);
                  // log.info("Current servers " + currentTServers.keySet());
                  break;
                case HOSTED:
                  TServerConnection conn = tserverSet.getConnection(server);
                  if (conn != null) {
                    conn.unloadTablet(masterLock, tls.extent, goal != TabletGoalState.DELETED);
                    unloaded++;
                    totalUnloaded++;
                  } else {
                    log.warn("Could not connect to server " + server);
                  }
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          if (splitPoint.equals(tls.extent.getEndRow()))
            continue;
          if (splitPoint.equals(tls.extent.getPrevEndRow()))
            continue;
          try {
            TServerConnection conn;
            conn = tserverSet.getConnection(tls.current);
            if (conn != null) {
              log.info("Asking " + tls.current + " to split " + tls.extent + " at " + splitPoint);
              conn.splitTablet(masterLock, tls.extent, splitPoint);
            } else {
              log.warn("Not connected to server " + tls.current);
            }
          } catch (NotServingTabletException e) {
            log.debug("Error asking tablet server to split a tablet: " + e);
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      // Tablet isn't already chopped
      if (tls.chopped)
        return;
      // Tablet ranges intersect
      if (info.needsToBeChopped(tls.extent)) {
        TServerConnection conn;
        try {
          conn = tserverSet.getConnection(tls.current);
          if (conn != null) {
            log.info("Asking " + tls.current + " to chop " + tls.extent);
            conn.chop(masterLock, tls.extent);
          } else {
            log.warn("Could not connect to server " + tls.current);
          }
        } catch (TException e) {
          log.warn("Communications error asking tablet server to chop a tablet");
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        log.info(String.format("Assigning %d tablets", assignments.size()));
        store.setFutureLocations(assignments);
      }
      assignments.addAll(assigned);
      for (Assignment a : assignments) {
        TServerConnection conn = tserverSet.getConnection(a.server);
        if (conn != null) {
          conn.assignTablet(masterLock, a.tablet);
        } else {
          log.warn("Could not connect to server " + a.server);
        }
      }
    }
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      try {
        Thread t = Thread.currentThread();
        String oldName = t.getName();
        try {
          t.setName("Getting status from " + server);
          TServerConnection connection = tserverSet.getConnection(server);
          if (connection == null)
            throw new IOException("No connection to " + server);
          TabletServerStatus status = connection.getTableMap(false);
          result.put(server, status);
        } finally {
          t.setName(oldName);
        }
      } catch (Exception ex) {
        log.error("unable to get tablet server status " + server + " " + ex.toString());
        log.debug("unable to get tablet server status " + server, ex);
        if (badServers.get(server).incrementAndGet() > MAX_BAD_STATUS_COUNT) {
          log.warn("attempting to stop " + server);
          try {
            TServerConnection connection = tserverSet.getConnection(server);
            if (connection != null)
              connection.halt(masterLock);
          } catch (TTransportException e) {
            // ignore: it's probably down
          } catch (Exception e) {
            log.info("error talking to troublesome tablet server ", e);
          }
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        }
      }
      if (crazyHoldTime == 1 && someHoldTime == 1 && tserverStatus.size() > 1) {
        log.warn("Tablet server " + instance + " exceeded maximum hold time: attempting to kill it");
        try {
          TServerConnection connection = tserverSet.getConnection(instance);
          if (connection != null)
            connection.fastHalt(masterLock);
        } catch (TException e) {
          log.error(e, e);
        }
        tserverSet.remove(instance);
      }
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      for (long l = 0; l < maxLoops; l++) {
       
        for (TServerInstance instance : serversToFlush) {
          try {
            final TServerConnection server = tserverSet.getConnection(instance);
            if (server != null)
              server.flush(masterLock, tableId, ByteBufferUtil.toBytes(startRow), ByteBufferUtil.toBytes(endRow));
          } catch (TException ex) {
            log.error(ex.toString());
          }
        }
       
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      final InetSocketAddress addr = AddressUtil.parseAddress(tabletServer, Property.TSERV_CLIENTPORT);
      final String addrString = org.apache.accumulo.core.util.AddressUtil.toString(addr);
      final TServerInstance doomed = tserverSet.find(addrString);
      if (!force) {
        final TServerConnection server = tserverSet.getConnection(doomed);
        if (server == null) {
          log.warn("No server found for name " + tabletServer);
          return;
        }
      }
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  public long isReady(long tid, Master master) throws Exception {
    Set<TServerInstance> finished = new HashSet<TServerInstance>();
    Set<TServerInstance> running = master.onlineTabletServers();
    for (TServerInstance server : running) {
      try {
        TServerConnection client = master.getConnection(server);
        if (client != null && !client.isActive(tid))
          finished.add(server);
      } catch (TException ex) {
        log.info("Ignoring error trying to check on tid " + tid + " from server " + server + ": " + ex);
      }
    }
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    // TODO move this to isReady() and drop while loop? - ACCUMULO-1259
    Listener listener = master.getEventCoordinator().getListener();
    master.shutdownTServer(server);
    while (master.onlineTabletServers().contains(server)) {
      TServerConnection connection = master.getConnection(server);
      if (connection != null) {
        try {
          TabletServerStatus status = connection.getTableMap(false);
          if (status.tableMap != null && status.tableMap.isEmpty()) {
            log.info("tablet server hosts no tablets " + server);
            connection.halt(master.getMasterLock());
            log.info("tablet server asked to halt " + server);
            break;
          }
        } catch (TTransportException ex) {
          // expected
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Related Classes of org.apache.accumulo.server.master.LiveTServerSet.TServerConnection

  • org.apache.accumulo.master.Master
  • org.apache.accumulo.master.Master$StatusThread
  • org.apache.accumulo.master.MasterClientServiceHandler
  • org.apache.accumulo.master.tableOps.CompactionDriver
  • org.apache.accumulo.master.tableOps.CopyFailed
  • org.apache.accumulo.master.TabletGroupWatcher
  • org.apache.accumulo.master.tserverOps.ShutdownTServer
  • org.apache.accumulo.server.master.Master
  • org.apache.accumulo.server.master.Master$MasterClientServiceHandler
  • org.apache.accumulo.server.master.Master$ShutdownTabletServers
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