/**
* @param updateSeq Update sequence.
* @return {@code True} if entry has been transitioned to state EVICTED.
*/
boolean tryEvict(boolean updateSeq) {
if (state.getReference() != RENTING || state.getStamp() != 0 || groupReserved()) return false;
// Attempt to evict partition entries from cache.
clearAll();
if (map.isEmpty() && state.compareAndSet(RENTING, EVICTED, 0, 0)) {
if (log.isDebugEnabled()) log.debug("Evicted partition: " + this);
if (!GridQueryProcessor.isEnabled(cctx.config())) clearSwap();
if (cctx.isDrEnabled()) cctx.dr().partitionEvicted(id);
cctx.dataStructures().onPartitionEvicted(id);
rent.onDone();
((GridDhtPreloader) cctx.preloader()).onPartitionEvicted(this, updateSeq);
clearDeferredDeletes();
return true;
}
return false;
}
/**
* @param updateSeq Update sequence.
* @return Future for evict attempt.
*/
IgniteInternalFuture<Boolean> tryEvictAsync(boolean updateSeq) {
if (map.isEmpty()
&& !GridQueryProcessor.isEnabled(cctx.config())
&& state.compareAndSet(RENTING, EVICTED, 0, 0)) {
if (log.isDebugEnabled()) log.debug("Evicted partition: " + this);
clearSwap();
if (cctx.isDrEnabled()) cctx.dr().partitionEvicted(id);
cctx.dataStructures().onPartitionEvicted(id);
rent.onDone();
((GridDhtPreloader) cctx.preloader()).onPartitionEvicted(this, updateSeq);
clearDeferredDeletes();
return new GridFinishedFuture<>(true);
}
return cctx.closures()
.callLocalSafe(
new GPC<Boolean>() {
@Override
public Boolean call() {
return tryEvict(true);
}
}, /*system pool*/
true);
}
/** {@inheritDoc} */
@Override
public boolean onDone(AffinityTopologyVersion res, Throwable err) {
Map<Integer, Boolean> m = null;
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (cacheCtx.config().getTopologyValidator() != null && !CU.isSystemCache(cacheCtx.name())) {
if (m == null) m = new HashMap<>();
m.put(
cacheCtx.cacheId(),
cacheCtx.config().getTopologyValidator().validate(discoEvt.topologyNodes()));
}
}
cacheValidRes = m != null ? m : Collections.<Integer, Boolean>emptyMap();
cctx.cache().onExchangeDone(exchId.topologyVersion(), reqs, err);
cctx.exchange().onExchangeDone(this, err);
if (super.onDone(res, err) && !dummy && !forcePreload) {
if (log.isDebugEnabled())
log.debug(
"Completed partition exchange [localNode="
+ cctx.localNodeId()
+ ", exchange= "
+ this
+ ']');
initFut.onDone(err == null);
GridTimeoutObject timeoutObj = this.timeoutObj;
// Deschedule timeout object.
if (timeoutObj != null) cctx.kernalContext().timeout().removeTimeoutObject(timeoutObj);
if (exchId.isLeft()) {
for (GridCacheContext cacheCtx : cctx.cacheContexts())
cacheCtx.config().getAffinity().removeNode(exchId.nodeId());
}
return true;
}
return dummy;
}
/**
* 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;
}
/** @param nodeId Left node id. */
public void onNodeLeft(final UUID nodeId) {
if (isDone()) return;
if (!enterBusy()) return;
try {
// Wait for initialization part of this future to complete.
initFut.listen(
new CI1<IgniteInternalFuture<?>>() {
@Override
public void apply(IgniteInternalFuture<?> f) {
if (isDone()) return;
if (!enterBusy()) return;
try {
// Pretend to have received message from this node.
rcvdIds.add(nodeId);
Collection<UUID> rmtIds = GridDhtPartitionsExchangeFuture.this.rmtIds;
assert rmtIds != null;
ClusterNode oldest = oldestNode.get();
if (oldest.id().equals(nodeId)) {
if (log.isDebugEnabled())
log.debug(
"Oldest node left or failed on partition exchange "
+ "(will restart exchange process)) [oldestNodeId="
+ oldest.id()
+ ", exchangeId="
+ exchId
+ ']');
boolean set = false;
ClusterNode newOldest =
CU.oldestAliveCacheServerNode(cctx, exchId.topologyVersion());
if (newOldest != null) {
// If local node is now oldest.
if (newOldest.id().equals(cctx.localNodeId())) {
synchronized (mux) {
if (oldestNode.compareAndSet(oldest, newOldest)) {
// If local node is just joining.
if (exchId.nodeId().equals(cctx.localNodeId())) {
try {
for (GridCacheContext cacheCtx : cctx.cacheContexts()) {
if (!cacheCtx.isLocal())
cacheCtx
.topology()
.beforeExchange(GridDhtPartitionsExchangeFuture.this);
}
} catch (IgniteCheckedException e) {
onDone(e);
return;
}
}
set = true;
}
}
} else {
synchronized (mux) {
set = oldestNode.compareAndSet(oldest, newOldest);
}
if (set && log.isDebugEnabled())
log.debug(
"Reassigned oldest node [this="
+ cctx.localNodeId()
+ ", old="
+ oldest.id()
+ ", new="
+ newOldest.id()
+ ']');
}
}
if (set) {
// If received any messages, process them.
for (Map.Entry<UUID, GridDhtPartitionsSingleMessage> m : singleMsgs.entrySet())
onReceive(m.getKey(), m.getValue());
for (Map.Entry<UUID, GridDhtPartitionsFullMessage> m : fullMsgs.entrySet())
onReceive(m.getKey(), m.getValue());
// Reassign oldest node and resend.
recheck();
}
} else if (rmtIds.contains(nodeId)) {
if (log.isDebugEnabled())
log.debug(
"Remote node left of failed during partition exchange (will ignore) "
+ "[rmtNode="
+ nodeId
+ ", exchangeId="
+ exchId
+ ']');
assert rmtNodes != null;
for (Iterator<ClusterNode> it = rmtNodes.iterator(); it.hasNext(); ) {
if (it.next().id().equals(nodeId)) it.remove();
}
if (allReceived() && ready.get() && replied.compareAndSet(false, true))
if (spreadPartitions()) onDone(exchId.topologyVersion());
}
} finally {
leaveBusy();
}
}
});
} finally {
leaveBusy();
}
}
/**
* @param nodeId Sender node ID.
* @param msg Full partition info.
*/
public void onReceive(final UUID nodeId, final GridDhtPartitionsFullMessage msg) {
assert msg != null;
if (isDone()) {
if (log.isDebugEnabled())
log.debug("Received message for finished future [msg=" + msg + ", fut=" + this + ']');
return;
}
if (log.isDebugEnabled())
log.debug("Received full partition map from node [nodeId=" + nodeId + ", msg=" + msg + ']');
assert exchId.topologyVersion().equals(msg.topologyVersion());
initFut.listen(
new CI1<IgniteInternalFuture<Boolean>>() {
@Override
public void apply(IgniteInternalFuture<Boolean> t) {
ClusterNode curOldest = oldestNode.get();
if (!nodeId.equals(curOldest.id())) {
if (log.isDebugEnabled())
log.debug(
"Received full partition map from unexpected node [oldest="
+ curOldest.id()
+ ", unexpectedNodeId="
+ nodeId
+ ']');
ClusterNode snd = cctx.discovery().node(nodeId);
if (snd == null) {
if (log.isDebugEnabled())
log.debug(
"Sender node left grid, will ignore message from unexpected node [nodeId="
+ nodeId
+ ", exchId="
+ msg.exchangeId()
+ ']');
return;
}
// Will process message later if sender node becomes oldest node.
if (snd.order() > curOldest.order()) fullMsgs.put(nodeId, msg);
return;
}
assert msg.exchangeId().equals(exchId);
assert msg.lastVersion() != null;
cctx.versions().onReceived(nodeId, msg.lastVersion());
updatePartitionFullMap(msg);
onDone(exchId.topologyVersion());
}
});
}
/**
* @param nodeId Sender node id.
* @param msg Single partition info.
*/
public void onReceive(final UUID nodeId, final GridDhtPartitionsSingleMessage msg) {
assert msg != null;
assert msg.exchangeId().equals(exchId);
// Update last seen version.
while (true) {
GridCacheVersion old = lastVer.get();
if (old == null || old.compareTo(msg.lastVersion()) < 0) {
if (lastVer.compareAndSet(old, msg.lastVersion())) break;
} else break;
}
if (isDone()) {
if (log.isDebugEnabled())
log.debug(
"Received message for finished future (will reply only to sender) [msg="
+ msg
+ ", fut="
+ this
+ ']');
sendAllPartitions(nodeId, cctx.gridConfig().getNetworkSendRetryCount());
} else {
initFut.listen(
new CI1<IgniteInternalFuture<Boolean>>() {
@Override
public void apply(IgniteInternalFuture<Boolean> t) {
try {
if (!t.get()) // Just to check if there was an error.
return;
ClusterNode loc = cctx.localNode();
singleMsgs.put(nodeId, msg);
boolean match = true;
// Check if oldest node has changed.
if (!oldestNode.get().equals(loc)) {
match = false;
synchronized (mux) {
// Double check.
if (oldestNode.get().equals(loc)) match = true;
}
}
if (match) {
boolean allReceived;
synchronized (rcvdIds) {
if (rcvdIds.add(nodeId)) updatePartitionSingleMap(msg);
allReceived = allReceived();
}
// If got all replies, and initialization finished, and reply has not been sent
// yet.
if (allReceived && ready.get() && replied.compareAndSet(false, true)) {
spreadPartitions();
onDone(exchId.topologyVersion());
} else if (log.isDebugEnabled())
log.debug(
"Exchange future full map is not sent [allReceived="
+ allReceived()
+ ", ready="
+ ready
+ ", replied="
+ replied.get()
+ ", init="
+ init.get()
+ ", fut="
+ this
+ ']');
}
} catch (IgniteCheckedException e) {
U.error(log, "Failed to initialize exchange future: " + this, e);
}
}
});
}
}