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

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

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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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  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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        log.error("unable to get tablet server status " + server + " " + ex.getMessage());
        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 (tabletsToWaitFor == 0)
      return 0;
   
    for (TServerInstance tsi : serversToFlush.keySet()) {
      try {
        final TServerConnection server = master.getConnection(tsi);
        if (server != null)
          server.compact(master.getMasterLock(), tableId, startRow, endRow);
      } catch (TException ex) {
        Logger.getLogger(CompactionDriver.class).error(ex.toString());
      }
    }
   
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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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      loggerBalancer.balance(logUsers, logNames, assignmentsOut, loggersPerServer);
      for (Entry<LoggerUser,List<String>> entry : assignmentsOut.entrySet()) {
        TServerUsesLoggers tserver = (TServerUsesLoggers) entry.getKey();
        try {
          log.debug("Telling " + tserver.getInstance() + " to use loggers " + entry.getValue());
          TServerConnection connection = tserverSet.getConnection(tserver.getInstance());
          if (connection != null)
            connection.useLoggers(new HashSet<String>(entry.getValue()));
        } catch (Exception ex) {
          log.warn("Unable to talk to " + tserver.getInstance(), ex);
        }
      }
    }
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    // TODO move this to isReady() and drop while loop?
    Listener listener = m.getEventCoordinator().getListener();
    m.shutdownTServer(server);
    while (m.onlineTabletServers().contains(server)) {
      TServerConnection connection = m.getConnection(server);
      if (connection != null) {
        try {
          TabletServerStatus status = connection.getTableMap();
          if (status.tableMap != null && status.tableMap.isEmpty()) {
            log.info("tablet server hosts no tablets " + server);
            connection.halt(m.getMasterLock());
            log.info("tablet server asked to halt " + server);
            break;
          }
        } catch (TTransportException ex) {
          // expected
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        if (store != null) {
          for (TabletLocationState tabletState : store) {
            for (Collection<String> logSet : tabletState.walogs) {
              for (String logEntry : logSet) {
                if (logger.equals(logEntry.split("/")[0])) {
                  TServerConnection tserver = m.getConnection(tabletState.current);
                  if (tserver != null) {
                    log.info("Requesting " + tabletState.current + " flush tablet " + tabletState.extent + " because it has a log entry " + logEntry);
                    tserver.flushTablet(m.getMasterLock(), tabletState.extent);
                  }
                  flushed = true;
                }
              }
            }
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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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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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