Examples with EVT_NODE_JOINED org.apache.ignite.events.EventType.EVT_NODE_JOINED used on opensource projects

Example 1 with EVT_NODE_JOINED

use of org.apache.ignite.events.EventType.EVT_NODE_JOINED in project ignite by apache.

the class GridDhtPartitionTopologyImpl method resetOwners.

/**
 * {@inheritDoc}
 */
@Override
public Map<UUID, Set<Integer>> resetOwners(Map<Integer, Set<UUID>> ownersByUpdCounters, Set<Integer> haveHist, GridDhtPartitionsExchangeFuture exchFut) {
    Map<UUID, Set<Integer>> res = new HashMap<>();
    Collection<DiscoveryEvent> evts = exchFut.events().events();
    Set<UUID> joinedNodes = U.newHashSet(evts.size());
    for (DiscoveryEvent evt : evts) {
        if (evt.type() == EVT_NODE_JOINED)
            joinedNodes.add(evt.eventNode().id());
    }
    ctx.database().checkpointReadLock();
    try {
        Map<UUID, Set<Integer>> addToWaitGroups = new HashMap<>();
        lock.writeLock().lock();
        try {
            // First process local partitions.
            UUID locNodeId = ctx.localNodeId();
            for (Map.Entry<Integer, Set<UUID>> entry : ownersByUpdCounters.entrySet()) {
                int part = entry.getKey();
                Set<UUID> maxCounterPartOwners = entry.getValue();
                GridDhtLocalPartition locPart = localPartition(part);
                if (locPart == null || locPart.state() != OWNING)
                    continue;
                // Partition state should be mutated only on joining nodes if they are exists for the exchange.
                if (joinedNodes.isEmpty() && !maxCounterPartOwners.contains(locNodeId)) {
                    rebalancePartition(part, !haveHist.contains(part), exchFut);
                    res.computeIfAbsent(locNodeId, n -> new HashSet<>()).add(part);
                }
            }
            // Then process node maps.
            for (Map.Entry<Integer, Set<UUID>> entry : ownersByUpdCounters.entrySet()) {
                int part = entry.getKey();
                Set<UUID> maxCounterPartOwners = entry.getValue();
                for (Map.Entry<UUID, GridDhtPartitionMap> remotes : node2part.entrySet()) {
                    UUID remoteNodeId = remotes.getKey();
                    if (!joinedNodes.isEmpty() && !joinedNodes.contains(remoteNodeId))
                        continue;
                    GridDhtPartitionMap partMap = remotes.getValue();
                    GridDhtPartitionState state = partMap.get(part);
                    if (state != OWNING)
                        continue;
                    if (!maxCounterPartOwners.contains(remoteNodeId)) {
                        partMap.put(part, MOVING);
                        partMap.updateSequence(partMap.updateSequence() + 1, partMap.topologyVersion());
                        if (partMap.nodeId().equals(locNodeId))
                            updateSeq.setIfGreater(partMap.updateSequence());
                        res.computeIfAbsent(remoteNodeId, n -> new HashSet<>()).add(part);
                    }
                }
            }
            for (Map.Entry<UUID, Set<Integer>> entry : res.entrySet()) {
                UUID nodeId = entry.getKey();
                Set<Integer> rebalancedParts = entry.getValue();
                addToWaitGroups.put(nodeId, new HashSet<>(rebalancedParts));
                if (!rebalancedParts.isEmpty()) {
                    Set<Integer> historical = rebalancedParts.stream().filter(haveHist::contains).collect(Collectors.toSet());
                    // Filter out partitions having WAL history.
                    rebalancedParts.removeAll(historical);
                    U.warn(log, "Partitions have been scheduled for rebalancing due to outdated update counter " + "[grp=" + grp.cacheOrGroupName() + ", readyTopVer=" + readyTopVer + ", topVer=" + exchFut.initialVersion() + ", nodeId=" + nodeId + ", partsFull=" + S.compact(rebalancedParts) + ", partsHistorical=" + S.compact(historical) + "]");
                }
            }
            node2part = new GridDhtPartitionFullMap(node2part, updateSeq.incrementAndGet());
        } finally {
            lock.writeLock().unlock();
        }
        List<List<ClusterNode>> ideal = ctx.affinity().affinity(groupId()).idealAssignmentRaw();
        for (Map.Entry<UUID, Set<Integer>> entry : addToWaitGroups.entrySet()) {
            // Add to wait groups to ensure late assignment switch after all partitions are rebalanced.
            for (Integer part : entry.getValue()) {
                ctx.cache().context().affinity().addToWaitGroup(groupId(), part, topologyVersionFuture().initialVersion(), ideal.get(part));
            }
        }
    } finally {
        ctx.database().checkpointReadUnlock();
    }
    return res;
}

Example 2 with EVT_NODE_JOINED

use of org.apache.ignite.events.EventType.EVT_NODE_JOINED in project ignite by apache.

the class IgniteProjectionStartStopRestartSelfTest method beforeTest.

/**
 * {@inheritDoc}
 */
@Override
protected void beforeTest() {
    if (SSH_KEY != null) {
        key = new File(SSH_KEY);
        assert key.exists() : "Private key doesn't exist: " + key.getAbsolutePath();
        assert key.isFile() : "Private key is not a file: " + key.getAbsolutePath();
    } else
        pwd = SSH_PWD;
    log.info("Username: " + SSH_UNAME);
    log.info("Password: " + pwd);
    log.info("Key path: " + key);
    G.setDaemon(true);
    ignite = G.start(CFG_NO_ATTR);
    G.setDaemon(false);
    ignite.events().localListen((IgnitePredicate<Event>) evt -> {
        info("Received event: " + evt.shortDisplay());
        if (evt.type() == EVT_NODE_JOINED) {
            joinedCnt.incrementAndGet();
            if (joinedLatch != null)
                joinedLatch.countDown();
        } else if (evt.type() == EVT_NODE_LEFT || evt.type() == EVT_NODE_FAILED) {
            leftCnt.incrementAndGet();
            if (leftLatch != null)
                leftLatch.countDown();
        }
        return true;
    }, EVT_NODE_JOINED, EVT_NODE_LEFT, EVT_NODE_FAILED);
}