private void sendPartitions() {
    ClusterNode oldestNode = this.oldestNode.get();

    try {
      sendLocalPartitions(oldestNode, exchId);
    } catch (ClusterTopologyCheckedException ignore) {
      if (log.isDebugEnabled())
        log.debug(
            "Oldest node left during partition exchange [nodeId="
                + oldestNode.id()
                + ", exchId="
                + exchId
                + ']');
    } catch (IgniteCheckedException e) {
      scheduleRecheck();

      U.error(
          log,
          "Failed to send local partitions to oldest node (will retry after timeout) [oldestNodeId="
              + oldestNode.id()
              + ", exchId="
              + exchId
              + ']',
          e);
    }
  }
  /**
   * Sends query request.
   *
   * @param fut Distributed future.
   * @param req Request.
   * @param nodes Nodes.
   * @throws IgniteCheckedException In case of error.
   */
  @SuppressWarnings("unchecked")
  private void sendRequest(
      final GridCacheDistributedQueryFuture<?, ?, ?> fut,
      final GridCacheQueryRequest req,
      Collection<ClusterNode> nodes)
      throws IgniteCheckedException {
    assert fut != null;
    assert req != null;
    assert nodes != null;

    final UUID locNodeId = cctx.localNodeId();

    ClusterNode locNode = null;

    Collection<ClusterNode> rmtNodes = null;

    for (ClusterNode n : nodes) {
      if (n.id().equals(locNodeId)) locNode = n;
      else {
        if (rmtNodes == null) rmtNodes = new ArrayList<>(nodes.size());

        rmtNodes.add(n);
      }
    }

    // Request should be sent to remote nodes before the query is processed on the local node.
    // For example, a remote reducer has a state, we should not serialize and then send
    // the reducer changed by the local node.
    if (!F.isEmpty(rmtNodes)) {
      cctx.io()
          .safeSend(
              rmtNodes,
              req,
              cctx.ioPolicy(),
              new P1<ClusterNode>() {
                @Override
                public boolean apply(ClusterNode node) {
                  fut.onNodeLeft(node.id());

                  return !fut.isDone();
                }
              });
    }

    if (locNode != null) {
      cctx.closures()
          .callLocalSafe(
              new Callable<Object>() {
                @Override
                public Object call() throws Exception {
                  req.beforeLocalExecution(cctx);

                  processQueryRequest(locNodeId, req);

                  return null;
                }
              });
    }
  }
  /** {@inheritDoc} */
  @Override
  public String toString() {
    ClusterNode oldestNode = this.oldestNode.get();

    return S.toString(
        GridDhtPartitionsExchangeFuture.class,
        this,
        "oldest",
        oldestNode == null ? "null" : oldestNode.id(),
        "oldestOrder",
        oldestNode == null ? "null" : oldestNode.order(),
        "evtLatch",
        evtLatch == null ? "null" : evtLatch.getCount(),
        "remaining",
        remaining(),
        "super",
        super.toString());
  }
Ejemplo n.º 4
0
  /**
   * Send delete message to all meta cache nodes in the grid.
   *
   * @param msg Message to send.
   */
  private void sendDeleteMessage(IgfsDeleteMessage msg) {
    assert msg != null;

    Collection<ClusterNode> nodes = meta.metaCacheNodes();

    for (ClusterNode node : nodes) {
      try {
        igfsCtx.send(node, topic, msg, GridIoPolicy.SYSTEM_POOL);
      } catch (IgniteCheckedException e) {
        U.warn(
            log,
            "Failed to send IGFS delete message to node [nodeId="
                + node.id()
                + ", msg="
                + msg
                + ", err="
                + e.getMessage()
                + ']');
      }
    }
  }
  /**
   * @param node Node.
   * @param id ID.
   * @throws IgniteCheckedException If failed.
   */
  private void sendLocalPartitions(ClusterNode node, @Nullable GridDhtPartitionExchangeId id)
      throws IgniteCheckedException {
    GridDhtPartitionsSingleMessage m =
        new GridDhtPartitionsSingleMessage(
            id, cctx.kernalContext().clientNode(), cctx.versions().last());

    for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
      if (!cacheCtx.isLocal())
        m.addLocalPartitionMap(cacheCtx.cacheId(), cacheCtx.topology().localPartitionMap());
    }

    if (log.isDebugEnabled())
      log.debug(
          "Sending local partitions [nodeId="
              + node.id()
              + ", exchId="
              + exchId
              + ", msg="
              + m
              + ']');

    cctx.io().send(node, m, SYSTEM_POOL);
  }