Beispiel #1
0
  private void sendFailIntermediateResultPartitionsRpcCall() {
    final SimpleSlot slot = this.assignedResource;

    if (slot != null) {
      final Instance instance = slot.getInstance();

      if (instance.isAlive()) {
        final ActorGateway gateway = instance.getActorGateway();

        // TODO For some tests this could be a problem when querying too early if all resources were
        // released
        gateway.tell(new FailIntermediateResultPartitions(attemptId));
      }
    }
  }
  /**
   * Shuts down the checkpoint coordinator.
   *
   * <p>After this method has been called, the coordinator does not accept and further messages and
   * cannot trigger any further checkpoints.
   */
  public void shutdown() throws Exception {
    synchronized (lock) {
      try {
        if (!shutdown) {
          shutdown = true;
          LOG.info("Stopping checkpoint coordinator for job " + job);

          periodicScheduling = false;
          triggerRequestQueued = false;

          // shut down the thread that handles the timeouts and pending triggers
          timer.cancel();

          // make sure that the actor does not linger
          if (jobStatusListener != null) {
            jobStatusListener.tell(PoisonPill.getInstance());
            jobStatusListener = null;
          }

          checkpointIdCounter.stop();

          // clear and discard all pending checkpoints
          for (PendingCheckpoint pending : pendingCheckpoints.values()) {
            pending.discard(userClassLoader);
          }
          pendingCheckpoints.clear();

          // clean and discard all successful checkpoints
          completedCheckpointStore.discardAllCheckpoints();

          onShutdown();
        }
      } finally {
        // Remove shutdown hook to prevent resource leaks, unless this is invoked by the
        // shutdown hook itself.
        if (shutdownHook != null && shutdownHook != Thread.currentThread()) {
          try {
            Runtime.getRuntime().removeShutdownHook(shutdownHook);
          } catch (IllegalStateException ignored) {
            // race, JVM is in shutdown already, we can safely ignore this
          } catch (Throwable t) {
            LOG.warn("Error unregistering checkpoint coordinator shutdown hook.", t);
          }
        }
      }
    }
  }