コード例 #1
0
  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);
    }
  }
コード例 #2
0
  /**
   * 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;
                }
              });
    }
  }
コード例 #3
0
  /**
   * Updates partition map in all caches.
   *
   * @param msg Partitions full messages.
   */
  private void updatePartitionFullMap(GridDhtPartitionsFullMessage msg) {
    for (Map.Entry<Integer, GridDhtPartitionFullMap> entry : msg.partitions().entrySet()) {
      Integer cacheId = entry.getKey();

      GridCacheContext cacheCtx = cctx.cacheContext(cacheId);

      if (cacheCtx != null) cacheCtx.topology().update(exchId, entry.getValue());
      else {
        ClusterNode oldest = CU.oldestAliveCacheServerNode(cctx, AffinityTopologyVersion.NONE);

        if (oldest != null && oldest.isLocal())
          cctx.exchange().clientTopology(cacheId, this).update(exchId, entry.getValue());
      }
    }
  }
コード例 #4
0
  /** {@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());
  }
コード例 #5
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()
                + ']');
      }
    }
  }
コード例 #6
0
    private void init() {
      ClusterNode node = nodes.poll();

      GridCacheQueryFutureAdapter<?, ?, R> fut0 =
          (GridCacheQueryFutureAdapter<?, ?, R>)
              (node.isLocal()
                  ? qryMgr.queryLocal(bean)
                  : qryMgr.queryDistributed(bean, Collections.singleton(node)));

      fut0.listen(
          new IgniteInClosure<IgniteInternalFuture<Collection<R>>>() {
            @Override
            public void apply(IgniteInternalFuture<Collection<R>> fut) {
              try {
                onDone(fut.get());
              } catch (IgniteCheckedException e) {
                if (F.isEmpty(nodes)) onDone(e);
                else init();
              }
            }
          });

      fut = fut0;
    }
コード例 #7
0
  /**
   * @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);
  }
コード例 #8
0
  /**
   * Starts activity.
   *
   * @throws IgniteInterruptedCheckedException If interrupted.
   */
  public void init() throws IgniteInterruptedCheckedException {
    if (isDone()) return;

    if (init.compareAndSet(false, true)) {
      if (isDone()) return;

      try {
        // Wait for event to occur to make sure that discovery
        // will return corresponding nodes.
        U.await(evtLatch);

        assert discoEvt != null : this;
        assert !dummy && !forcePreload : this;

        ClusterNode oldest = CU.oldestAliveCacheServerNode(cctx, exchId.topologyVersion());

        oldestNode.set(oldest);

        startCaches();

        // True if client node joined or failed.
        boolean clientNodeEvt;

        if (F.isEmpty(reqs)) {
          int type = discoEvt.type();

          assert type == EVT_NODE_JOINED || type == EVT_NODE_LEFT || type == EVT_NODE_FAILED
              : discoEvt;

          clientNodeEvt = CU.clientNode(discoEvt.eventNode());
        } else {
          assert discoEvt.type() == EVT_DISCOVERY_CUSTOM_EVT : discoEvt;

          boolean clientOnlyStart = true;

          for (DynamicCacheChangeRequest req : reqs) {
            if (!req.clientStartOnly()) {
              clientOnlyStart = false;

              break;
            }
          }

          clientNodeEvt = clientOnlyStart;
        }

        if (clientNodeEvt) {
          ClusterNode node = discoEvt.eventNode();

          // Client need to initialize affinity for local join event or for stated client caches.
          if (!node.isLocal()) {
            for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
              if (cacheCtx.isLocal()) continue;

              GridDhtPartitionTopology top = cacheCtx.topology();

              top.updateTopologyVersion(exchId, this, -1, stopping(cacheCtx.cacheId()));

              if (cacheCtx.affinity().affinityTopologyVersion() == AffinityTopologyVersion.NONE) {
                initTopology(cacheCtx);

                top.beforeExchange(this);
              } else
                cacheCtx.affinity().clientEventTopologyChange(discoEvt, exchId.topologyVersion());
            }

            if (exchId.isLeft())
              cctx.mvcc().removeExplicitNodeLocks(exchId.nodeId(), exchId.topologyVersion());

            onDone(exchId.topologyVersion());

            skipPreload = cctx.kernalContext().clientNode();

            return;
          }
        }

        if (cctx.kernalContext().clientNode()) {
          skipPreload = true;

          for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
            if (cacheCtx.isLocal()) continue;

            GridDhtPartitionTopology top = cacheCtx.topology();

            top.updateTopologyVersion(exchId, this, -1, stopping(cacheCtx.cacheId()));
          }

          for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
            if (cacheCtx.isLocal()) continue;

            initTopology(cacheCtx);
          }

          if (oldestNode.get() != null) {
            rmtNodes =
                new ConcurrentLinkedQueue<>(
                    CU.aliveRemoteServerNodesWithCaches(cctx, exchId.topologyVersion()));

            rmtIds = Collections.unmodifiableSet(new HashSet<>(F.nodeIds(rmtNodes)));

            ready.set(true);

            initFut.onDone(true);

            if (log.isDebugEnabled()) log.debug("Initialized future: " + this);

            sendPartitions();
          } else onDone(exchId.topologyVersion());

          return;
        }

        assert oldestNode.get() != null;

        for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
          if (isCacheAdded(cacheCtx.cacheId(), exchId.topologyVersion())) {
            if (cacheCtx
                .discovery()
                .cacheAffinityNodes(cacheCtx.name(), topologyVersion())
                .isEmpty())
              U.quietAndWarn(log, "No server nodes found for cache client: " + cacheCtx.namex());
          }

          cacheCtx.preloader().onExchangeFutureAdded();
        }

        List<String> cachesWithoutNodes = null;

        if (exchId.isLeft()) {
          for (String name : cctx.cache().cacheNames()) {
            if (cctx.discovery().cacheAffinityNodes(name, topologyVersion()).isEmpty()) {
              if (cachesWithoutNodes == null) cachesWithoutNodes = new ArrayList<>();

              cachesWithoutNodes.add(name);

              // Fire event even if there is no client cache started.
              if (cctx.gridEvents().isRecordable(EventType.EVT_CACHE_NODES_LEFT)) {
                Event evt =
                    new CacheEvent(
                        name,
                        cctx.localNode(),
                        cctx.localNode(),
                        "All server nodes have left the cluster.",
                        EventType.EVT_CACHE_NODES_LEFT,
                        0,
                        false,
                        null,
                        null,
                        null,
                        null,
                        false,
                        null,
                        false,
                        null,
                        null,
                        null);

                cctx.gridEvents().record(evt);
              }
            }
          }
        }

        if (cachesWithoutNodes != null) {
          StringBuilder sb =
              new StringBuilder(
                  "All server nodes for the following caches have left the cluster: ");

          for (int i = 0; i < cachesWithoutNodes.size(); i++) {
            String cache = cachesWithoutNodes.get(i);

            sb.append('\'').append(cache).append('\'');

            if (i != cachesWithoutNodes.size() - 1) sb.append(", ");
          }

          U.quietAndWarn(log, sb.toString());

          U.quietAndWarn(log, "Must have server nodes for caches to operate.");
        }

        assert discoEvt != null;

        assert exchId.nodeId().equals(discoEvt.eventNode().id());

        for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
          GridClientPartitionTopology clientTop =
              cctx.exchange().clearClientTopology(cacheCtx.cacheId());

          long updSeq = clientTop == null ? -1 : clientTop.lastUpdateSequence();

          // Update before waiting for locks.
          if (!cacheCtx.isLocal())
            cacheCtx
                .topology()
                .updateTopologyVersion(exchId, this, updSeq, stopping(cacheCtx.cacheId()));
        }

        // Grab all alive remote nodes with order of equal or less than last joined node.
        rmtNodes =
            new ConcurrentLinkedQueue<>(
                CU.aliveRemoteServerNodesWithCaches(cctx, exchId.topologyVersion()));

        rmtIds = Collections.unmodifiableSet(new HashSet<>(F.nodeIds(rmtNodes)));

        for (Map.Entry<UUID, GridDhtPartitionsSingleMessage> m : singleMsgs.entrySet())
          // If received any messages, process them.
          onReceive(m.getKey(), m.getValue());

        for (Map.Entry<UUID, GridDhtPartitionsFullMessage> m : fullMsgs.entrySet())
          // If received any messages, process them.
          onReceive(m.getKey(), m.getValue());

        AffinityTopologyVersion topVer = exchId.topologyVersion();

        for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
          if (cacheCtx.isLocal()) continue;

          // Must initialize topology after we get discovery event.
          initTopology(cacheCtx);

          cacheCtx.preloader().updateLastExchangeFuture(this);
        }

        IgniteInternalFuture<?> partReleaseFut = cctx.partitionReleaseFuture(topVer);

        // Assign to class variable so it will be included into toString() method.
        this.partReleaseFut = partReleaseFut;

        if (log.isDebugEnabled()) log.debug("Before waiting for partition release future: " + this);

        while (true) {
          try {
            partReleaseFut.get(2 * cctx.gridConfig().getNetworkTimeout(), TimeUnit.MILLISECONDS);

            break;
          } catch (IgniteFutureTimeoutCheckedException ignored) {
            // Print pending transactions and locks that might have led to hang.
            dumpPendingObjects();
          }
        }

        if (log.isDebugEnabled()) log.debug("After waiting for partition release future: " + this);

        if (!F.isEmpty(reqs)) blockGateways();

        if (exchId.isLeft())
          cctx.mvcc().removeExplicitNodeLocks(exchId.nodeId(), exchId.topologyVersion());

        IgniteInternalFuture<?> locksFut = cctx.mvcc().finishLocks(exchId.topologyVersion());

        while (true) {
          try {
            locksFut.get(2 * cctx.gridConfig().getNetworkTimeout(), TimeUnit.MILLISECONDS);

            break;
          } catch (IgniteFutureTimeoutCheckedException ignored) {
            U.warn(
                log,
                "Failed to wait for locks release future. "
                    + "Dumping pending objects that might be the cause: "
                    + cctx.localNodeId());

            U.warn(log, "Locked entries:");

            Map<IgniteTxKey, Collection<GridCacheMvccCandidate>> locks =
                cctx.mvcc().unfinishedLocks(exchId.topologyVersion());

            for (Map.Entry<IgniteTxKey, Collection<GridCacheMvccCandidate>> e : locks.entrySet())
              U.warn(log, "Locked entry [key=" + e.getKey() + ", mvcc=" + e.getValue() + ']');
          }
        }

        for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
          if (cacheCtx.isLocal()) continue;

          // Notify replication manager.
          GridCacheContext drCacheCtx =
              cacheCtx.isNear() ? cacheCtx.near().dht().context() : cacheCtx;

          if (drCacheCtx.isDrEnabled()) drCacheCtx.dr().beforeExchange(topVer, exchId.isLeft());

          // Partition release future is done so we can flush the write-behind store.
          cacheCtx.store().forceFlush();

          // Process queued undeploys prior to sending/spreading map.
          cacheCtx.preloader().unwindUndeploys();

          GridDhtPartitionTopology top = cacheCtx.topology();

          assert topVer.equals(top.topologyVersion())
              : "Topology version is updated only in this class instances inside single ExchangeWorker thread.";

          top.beforeExchange(this);
        }

        for (GridClientPartitionTopology top : cctx.exchange().clientTopologies()) {
          top.updateTopologyVersion(exchId, this, -1, stopping(top.cacheId()));

          top.beforeExchange(this);
        }
      } catch (IgniteInterruptedCheckedException e) {
        onDone(e);

        throw e;
      } catch (Throwable e) {
        U.error(
            log,
            "Failed to reinitialize local partitions (preloading will be stopped): " + exchId,
            e);

        onDone(e);

        if (e instanceof Error) throw (Error) e;

        return;
      }

      if (F.isEmpty(rmtIds)) {
        onDone(exchId.topologyVersion());

        return;
      }

      ready.set(true);

      initFut.onDone(true);

      if (log.isDebugEnabled()) log.debug("Initialized future: " + this);

      // If this node is not oldest.
      if (!oldestNode.get().id().equals(cctx.localNodeId())) sendPartitions();
      else {
        boolean allReceived = allReceived();

        if (allReceived && replied.compareAndSet(false, true)) {
          if (spreadPartitions()) onDone(exchId.topologyVersion());
        }
      }

      scheduleRecheck();
    } else assert false : "Skipped init future: " + this;
  }
コード例 #9
0
 @Override
 public boolean apply(ClusterNode n) {
   return n.isLocal();
 }