Package org.apache.accumulo.server.master.state

Examples of org.apache.accumulo.server.master.state.DeadServerList

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  static final String I_DONT_KNOW_WHY = "unexpected failure";
 
  @Override
  public void update(LiveTServerSet current, Set<TServerInstance> deleted, Set<TServerInstance> added) {
    DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADTSERVERS);
    if (added.size() > 0) {
      log.info("New servers: " + added);
      for (TServerInstance up : added)
        obit.delete(up.hostPort());
    }
    for (TServerInstance dead : deleted) {
      String cause = I_DONT_KNOW_WHY;
      if (serversToShutdown.contains(dead))
        cause = "clean shutdown"; // maybe an incorrect assumption
      if (!getMasterGoalState().equals(MasterGoalState.CLEAN_STOP))
        obit.post(dead.hostPort(), cause);
    }
   
    Set<TServerInstance> unexpected = new HashSet<TServerInstance>(deleted);
    unexpected.removeAll(this.serversToShutdown);
    if (unexpected.size() > 0) {
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      result.serversShuttingDown = new HashSet<String>();
      synchronized (serversToShutdown) {
        for (TServerInstance server : serversToShutdown)
          result.serversShuttingDown.add(server.hostPort());
      }
      DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADTSERVERS);
      result.deadTabletServers = obit.getList();
      return result;
    }
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        }
      }
    } catch (Exception ex) {
      log.warn("Unexpected error clearing failed recovery markers for new logger", ex);
    }
    DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADLOGGERS);
    obit.delete(address);
    nextEvent.event("Added logger %s", address);
  }
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  static final String I_DONT_KNOW_WHY = "unexpected failure";
 
  @Override
  public void deadLogger(String address) {
    DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADLOGGERS);
    InetSocketAddress parseAddress = AddressUtil.parseAddress(address, Property.LOGGER_PORT);
    String cause = I_DONT_KNOW_WHY;
    for (TServerInstance server : serversToShutdown) {
      if (server.getLocation().getHostName().equals(parseAddress.getHostName())) {
        cause = "clean shutdown";
        break;
      }
    }
    obit.post(address, cause);
    log.info("Noticed logger went away: " + address);
  }
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    log.info("Noticed logger went away: " + address);
  }
 
  @Override
  public void update(LiveTServerSet current, Set<TServerInstance> deleted, Set<TServerInstance> added) {
    DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADTSERVERS);
    if (added.size() > 0) {
      log.info("New servers: " + added);
      for (TServerInstance up : added)
        obit.delete(up.hostPort());
    }
    for (TServerInstance dead : deleted) {
      String cause = I_DONT_KNOW_WHY;
      if (serversToShutdown.contains(dead))
        cause = "clean shutdown"; // maybe an incorrect assumption
      if (!getMasterGoalState().equals(MasterGoalState.CLEAN_STOP))
        obit.post(dead.hostPort(), cause);
    }
   
    Set<TServerInstance> unexpected = new HashSet<TServerInstance>(deleted);
    unexpected.removeAll(this.serversToShutdown);
    if (unexpected.size() > 0) {
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      result.serversShuttingDown = new HashSet<String>();
      synchronized (serversToShutdown) {
        for (TServerInstance server : serversToShutdown)
          result.serversShuttingDown.add(server.hostPort());
      }
      DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADTSERVERS);
      result.deadTabletServers = obit.getList();
      obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADLOGGERS);
      result.deadLoggers = obit.getList();
      return result;
    }
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  static final String I_DONT_KNOW_WHY = "unexpected failure";
 
  @Override
  public void update(LiveTServerSet current, Set<TServerInstance> deleted, Set<TServerInstance> added) {
    DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADTSERVERS);
    if (added.size() > 0) {
      log.info("New servers: " + added);
      for (TServerInstance up : added)
        obit.delete(up.hostPort());
    }
    for (TServerInstance dead : deleted) {
      String cause = I_DONT_KNOW_WHY;
      if (serversToShutdown.contains(dead))
        cause = "clean shutdown"; // maybe an incorrect assumption
      if (!getMasterGoalState().equals(MasterGoalState.CLEAN_STOP))
        obit.post(dead.hostPort(), cause);
    }
   
    Set<TServerInstance> unexpected = new HashSet<TServerInstance>(deleted);
    unexpected.removeAll(this.serversToShutdown);
    if (unexpected.size() > 0) {
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      result.serversShuttingDown = new HashSet<String>();
      synchronized (serversToShutdown) {
        for (TServerInstance server : serversToShutdown)
          result.serversShuttingDown.add(server.hostPort());
      }
      DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADTSERVERS);
      result.deadTabletServers = obit.getList();
      return result;
    }
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    @Override
    public void execute(HttpServletRequest req, HttpServletResponse resp, Logger log) {
      String server = decode(req.getParameter("server"));
      Instance inst = HdfsZooInstance.getInstance();
      // a dead server should have a uniq address: a logger or tserver
      DeadServerList obit = new DeadServerList(ZooUtil.getRoot(inst) + Constants.ZDEADTSERVERS);
      obit.delete(server);
    }
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    }
  }

  @Override
  public void update(LiveTServerSet current, Set<TServerInstance> deleted, Set<TServerInstance> added) {
    DeadServerList obit = new DeadServerList(ZooUtil.getRoot(instance) + Constants.ZDEADTSERVERS);
    if (added.size() > 0) {
      log.info("New servers: " + added);
      for (TServerInstance up : added)
        obit.delete(up.hostPort());
    }
    for (TServerInstance dead : deleted) {
      String cause = "unexpected failure";
      if (serversToShutdown.contains(dead))
        cause = "clean shutdown"; // maybe an incorrect assumption
      if (!getMasterGoalState().equals(MasterGoalState.CLEAN_STOP))
        obit.post(dead.hostPort(), cause);
    }

    Set<TServerInstance> unexpected = new HashSet<TServerInstance>(deleted);
    unexpected.removeAll(this.serversToShutdown);
    if (unexpected.size() > 0) {
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Related Classes of org.apache.accumulo.server.master.state.DeadServerList

  • org.apache.accumulo.core.master.thrift.DeadServer
  • org.apache.accumulo.fate.zookeeper.IZooReaderWriter
  • org.apache.accumulo.master.Master
  • org.apache.accumulo.master.MasterClientServiceHandler
  • org.apache.accumulo.monitor.servlets.OperationServlet$ClearDeadServerOperation
  • org.apache.accumulo.server.master.Master
  • org.apache.accumulo.server.master.Master$MasterClientServiceHandler
  • org.apache.accumulo.server.monitor.servlets.OperationServlet$ClearDeadServerOperation
  • org.apache.accumulo.server.zookeeper.IZooReaderWriter
  • org.apache.zookeeper.data.Stat
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