/** {@inheritDoc} */
@Nullable
@Override
public Map<String, Collection<?>> run(GridStreamerContext ctx, Collection<Bar> bars)
throws GridException {
ConcurrentMap<String, Bar> loc = ctx.localSpace();
GridStreamerWindow win = ctx.window("stage2");
// Add numbers to window.
win.enqueueAll(bars);
Collection<Bar> polled = win.pollEvictedBatch();
if (!polled.isEmpty()) {
Map<String, Bar> map = new HashMap<>();
for (Bar polledBar : polled) {
String symbol = polledBar.symbol();
Bar bar = map.get(symbol);
if (bar == null) map.put(symbol, bar = new Bar(symbol));
bar.update(polledBar);
}
loc.putAll(map);
}
return null;
}
/**
* @param sesId Session ID.
* @param taskNodeId Task node ID.
* @param taskName Task name.
* @param dep Deployment.
* @param taskClsName Task class name.
* @param top Topology.
* @param startTime Execution start time.
* @param endTime Execution end time.
* @param siblings Collection of siblings.
* @param attrs Map of attributes.
* @param fullSup {@code True} to enable distributed session attributes and checkpoints.
* @return New session if one did not exist, or existing one.
*/
public GridTaskSessionImpl createTaskSession(
GridUuid sesId,
UUID taskNodeId,
String taskName,
@Nullable GridDeployment dep,
String taskClsName,
@Nullable Collection<UUID> top,
long startTime,
long endTime,
Collection<GridComputeJobSibling> siblings,
Map<Object, Object> attrs,
boolean fullSup) {
if (!fullSup) {
return new GridTaskSessionImpl(
taskNodeId,
taskName,
dep,
taskClsName,
sesId,
top,
startTime,
endTime,
siblings,
attrs,
ctx,
fullSup);
}
while (true) {
GridTaskSessionImpl ses = sesMap.get(sesId);
if (ses == null) {
GridTaskSessionImpl old =
sesMap.putIfAbsent(
sesId,
ses =
new GridTaskSessionImpl(
taskNodeId,
taskName,
dep,
taskClsName,
sesId,
top,
startTime,
endTime,
siblings,
attrs,
ctx,
fullSup));
if (old != null) ses = old;
else
// Return without acquire.
return ses;
}
if (ses.acquire()) return ses;
else sesMap.remove(sesId, ses);
}
}
/**
* @param p Partition number.
* @param topVer Topology version.
* @param create Create flag.
* @param updateSeq Update sequence.
* @return Local partition.
*/
private GridDhtLocalPartition localPartition(
int p, AffinityTopologyVersion topVer, boolean create, boolean updateSeq) {
while (true) {
boolean belongs = cctx.affinity().localNode(p, topVer);
GridDhtLocalPartition loc = locParts.get(p);
if (loc != null && loc.state() == EVICTED) {
locParts.remove(p, loc);
if (!create) return null;
if (!belongs)
throw new GridDhtInvalidPartitionException(
p,
"Adding entry to evicted partition [part="
+ p
+ ", topVer="
+ topVer
+ ", this.topVer="
+ this.topVer
+ ']');
continue;
}
if (loc == null && create) {
if (!belongs)
throw new GridDhtInvalidPartitionException(
p,
"Creating partition which does not belong [part="
+ p
+ ", topVer="
+ topVer
+ ", this.topVer="
+ this.topVer
+ ']');
lock.writeLock().lock();
try {
GridDhtLocalPartition old =
locParts.putIfAbsent(p, loc = new GridDhtLocalPartition(cctx, p));
if (old != null) loc = old;
else {
if (updateSeq) this.updateSeq.incrementAndGet();
if (log.isDebugEnabled()) log.debug("Created local partition: " + loc);
}
} finally {
lock.writeLock().unlock();
}
}
return loc;
}
}
@Override
protected void doSubscribe(Node node, NotifyListener listener) {
List<NodeType> listenNodeTypes = node.getListenNodeTypes();
if (CollectionUtils.isEmpty(listenNodeTypes)) {
return;
}
for (NodeType listenNodeType : listenNodeTypes) {
String listenNodePath = NodeRegistryUtils.getNodeTypePath(clusterName, listenNodeType);
Notifier notifier = notifiers.get(listenNodePath);
if (notifier == null) {
Notifier newNotifier = new Notifier(listenNodePath);
notifiers.putIfAbsent(listenNodePath, newNotifier);
notifier = notifiers.get(listenNodePath);
if (notifier == newNotifier) {
notifier.start();
}
}
boolean success = false;
NodeRegistryException exception = null;
for (Map.Entry<String, JedisPool> entry : jedisPools.entrySet()) {
JedisPool jedisPool = entry.getValue();
try {
Jedis jedis = jedisPool.getResource();
try {
doNotify(
jedis,
Collections.singletonList(listenNodePath),
Collections.singletonList(listener));
success = true;
break; // 只需读一个服务器的数据
} finally {
jedis.close();
}
} catch (Throwable t) {
exception =
new NodeRegistryException(
"Failed to unregister node to redis registry. registry: "
+ entry.getKey()
+ ", node: "
+ node
+ ", cause: "
+ t.getMessage(),
t);
}
}
if (exception != null) {
if (success) {
LOGGER.warn(exception.getMessage(), exception);
} else {
throw exception;
}
}
}
}
/**
* Removes session for a given session ID.
*
* @param sesId ID of session to remove.
* @return {@code True} if session was removed.
*/
public boolean removeSession(GridUuid sesId) {
GridTaskSessionImpl ses = sesMap.get(sesId);
assert ses == null || ses.isFullSupport();
if (ses != null && ses.release()) {
sesMap.remove(sesId, ses);
return true;
}
return false;
}
public ServerObject serverFor(Object o) {
ServerObject server = serving.get(o);
if (server == null) {
server = new ServerObject(objectsId.getAndIncrement(), o);
serving.put(o, server);
servingById.put(server.getId(), server);
}
return server;
}
protected void handleTaskSubmittedRequest(
Runnable runnable, Address source, long requestId, long threadId) {
// We store in our map so that when that task is
// finished so that we can send back to the owner
// with the results
_running.put(runnable, new Owner(source, requestId));
// We give the task to the thread that is now waiting for it to be returned
// If we can't offer then we have to respond back to
// caller that we can't handle it. They must have
// gotten our address when we had a consumer, but
// they went away between then and now.
boolean received;
try {
_tasks.put(threadId, runnable);
CyclicBarrier barrier = _taskBarriers.remove(threadId);
if (received = (barrier != null)) {
// Only wait 10 milliseconds, in case if the consumer was
// stopped between when we were told it was available and now
barrier.await(10, TimeUnit.MILLISECONDS);
}
} catch (InterruptedException e) {
if (log.isDebugEnabled()) log.debug("Interrupted while handing off task");
Thread.currentThread().interrupt();
received = false;
} catch (BrokenBarrierException e) {
if (log.isDebugEnabled())
log.debug(
"Consumer " + threadId + " has been interrupted, " + "must retry to submit elsewhere");
received = false;
} catch (TimeoutException e) {
if (log.isDebugEnabled())
log.debug("Timeout waiting to hand off to barrier, consumer " + threadId + " must be slow");
// This should only happen if the consumer put the latch then got
// interrupted but hadn't yet removed the latch, should almost never
// happen
received = false;
}
if (!received) {
// Clean up the tasks request
_tasks.remove(threadId);
if (log.isDebugEnabled()) log.debug("Run rejected not able to pass off to consumer");
// If we couldn't hand off the task we have to tell the client
// and also reupdate the coordinator that our consumer is ready
sendRequest(source, Type.RUN_REJECTED, requestId, null);
_running.remove(runnable);
}
}
/**
* Creates a new {@link Timer} and registers it under the given metric name.
*
* @param metricName the name of the metric
* @param durationUnit the duration scale unit of the new timer
* @param rateUnit the rate scale unit of the new timer
* @return a new {@link Timer}
*/
public Timer newTimer(MetricName metricName, TimeUnit durationUnit, TimeUnit rateUnit) {
final Metric existingMetric = metrics.get(metricName);
if (existingMetric != null) {
return (Timer) existingMetric;
}
return getOrAdd(metricName, new Timer(newMeterTickThreadPool(), durationUnit, rateUnit, clock));
}
/**
* Creates a new {@link Meter} and registers it under the given metric name.
*
* @param metricName the name of the metric
* @param eventType the plural name of the type of events the meter is measuring (e.g., {@code
* "requests"})
* @param unit the rate unit of the new meter
* @return a new {@link Meter}
*/
public Meter newMeter(MetricName metricName, String eventType, TimeUnit unit) {
final Metric existingMetric = metrics.get(metricName);
if (existingMetric != null) {
return (Meter) existingMetric;
}
return getOrAdd(metricName, new Meter(newMeterTickThreadPool(), eventType, unit, clock));
}
/**
* Waits for renting partitions.
*
* @return {@code True} if mapping was changed.
* @throws IgniteCheckedException If failed.
*/
private boolean waitForRent() throws IgniteCheckedException {
boolean changed = false;
// Synchronously wait for all renting partitions to complete.
for (Iterator<GridDhtLocalPartition> it = locParts.values().iterator(); it.hasNext(); ) {
GridDhtLocalPartition p = it.next();
GridDhtPartitionState state = p.state();
if (state == RENTING || state == EVICTED) {
if (log.isDebugEnabled()) log.debug("Waiting for renting partition: " + p);
// Wait for partition to empty out.
p.rent(true).get();
if (log.isDebugEnabled()) log.debug("Finished waiting for renting partition: " + p);
// Remove evicted partition.
it.remove();
changed = true;
}
}
return changed;
}
/** {@inheritDoc} */
@Override
public void printMemoryStats() {
super.printMemoryStats();
X.println(">>> threadsSize: " + threads.size());
X.println(">>> futsSize: " + futs.size());
}
/**
* @param cancel {@code True} to close with cancellation.
* @throws GridException If failed.
*/
@Override
public void close(boolean cancel) throws GridException {
if (!closed.compareAndSet(false, true)) return;
busyLock.block();
if (log.isDebugEnabled())
log.debug("Closing data loader [ldr=" + this + ", cancel=" + cancel + ']');
GridException e = null;
try {
// Assuming that no methods are called on this loader after this method is called.
if (cancel) {
cancelled = true;
for (Buffer buf : bufMappings.values()) buf.cancelAll();
} else doFlush();
ctx.event().removeLocalEventListener(discoLsnr);
ctx.io().removeMessageListener(topic);
} catch (GridException e0) {
e = e0;
}
fut.onDone(null, e);
if (e != null) throw e;
}
public void prepare(String query, InetAddress toExclude) throws InterruptedException {
for (Map.Entry<Host, HostConnectionPool> entry : pools.entrySet()) {
if (entry.getKey().getAddress().equals(toExclude)) continue;
// Let's not wait too long if we can't get a connection. Things
// will fix themselves once the user tries a query anyway.
Connection c = null;
try {
c = entry.getValue().borrowConnection(200, TimeUnit.MILLISECONDS);
c.write(new PrepareMessage(query)).get();
} catch (ConnectionException e) {
// Again, not being able to prepare the query right now is no big deal, so just ignore
} catch (BusyConnectionException e) {
// Same as above
} catch (TimeoutException e) {
// Same as above
} catch (ExecutionException e) {
// We shouldn't really get exception while preparing a
// query, so log this (but ignore otherwise as it's not a big deal)
logger.error(
String.format(
"Unexpected error while preparing query (%s) on %s", query, entry.getKey()),
e);
} finally {
if (c != null) entry.getValue().returnConnection(c);
}
}
}
/**
* @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);
}
/**
* @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;
}
@Override
public void destroy() {
super.destroy();
try {
expireFuture.cancel(true);
} catch (Throwable t) {
LOGGER.warn(t.getMessage(), t);
}
try {
for (Notifier notifier : notifiers.values()) {
notifier.shutdown();
}
} catch (Throwable t) {
LOGGER.warn(t.getMessage(), t);
}
for (Map.Entry<String, JedisPool> entry : jedisPools.entrySet()) {
JedisPool jedisPool = entry.getValue();
try {
jedisPool.destroy();
} catch (Throwable t) {
LOGGER.warn(
"Failed to destroy the redis registry client. registry: "
+ entry.getKey()
+ ", cause: "
+ t.getMessage(),
t);
}
}
}
public void connectionRemoved(Connection connection) {
if (connection.isClient() && connection instanceof TcpIpConnection && nodeEngine.isActive()) {
final ClientEndpoint endpoint = endpoints.get(connection);
if (endpoint != null
&& node.getLocalMember().getUuid().equals(endpoint.getPrincipal().getOwnerUuid())) {
removeEndpoint(connection, true);
if (!endpoint.isFirstConnection()) {
return;
}
NodeEngine nodeEngine = node.nodeEngine;
final Collection<MemberImpl> memberList = nodeEngine.getClusterService().getMemberList();
for (MemberImpl member : memberList) {
final ClientDisconnectionOperation op =
new ClientDisconnectionOperation(endpoint.getUuid());
op.setNodeEngine(nodeEngine)
.setServiceName(SERVICE_NAME)
.setService(this)
.setResponseHandler(ResponseHandlerFactory.createEmptyResponseHandler());
if (member.localMember()) {
nodeEngine.getOperationService().runOperation(op);
} else {
nodeEngine.getOperationService().send(op, member.getAddress());
}
}
}
}
}
/**
* Register a tree for the given request to be compared to the appropriate trees in
* Stage.ANTIENTROPY when they become available.
*/
private void rendezvous(TreeRequest request, MerkleTree tree) {
RepairSession session = sessions.get(request.sessionid);
if (session == null) {
logger.warn(
"Got a merkle tree response for unknown repair session {}: either this node has been restarted since the session was started, or the session has been interrupted for an unknown reason. ",
request.sessionid);
return;
}
RepairSession.RepairJob job = session.jobs.peek();
if (job == null) {
assert session.terminated();
return;
}
logger.info(
String.format(
"[repair #%s] Received merkle tree for %s from %s",
session.getName(), request.cf.right, request.endpoint));
if (job.addTree(request, tree) == 0) {
logger.debug("All trees received for " + session.getName() + "/" + request.cf.right);
job.submitDifferencers();
// This job is complete, switching to next in line (note that only
// one thread will can ever do this)
session.jobs.poll();
RepairSession.RepairJob nextJob = session.jobs.peek();
if (nextJob == null)
// We are done with this repair session as far as differencing
// is considern. Just inform the session
session.differencingDone.signalAll();
else nextJob.sendTreeRequests();
}
}
/**
* Processes cache query request.
*
* @param sndId Sender node id.
* @param req Query request.
*/
@SuppressWarnings("unchecked")
@Override
void processQueryRequest(UUID sndId, GridCacheQueryRequest req) {
if (req.cancel()) {
cancelIds.add(new CancelMessageId(req.id(), sndId));
if (req.fields()) removeFieldsQueryResult(sndId, req.id());
else removeQueryResult(sndId, req.id());
} else {
if (!cancelIds.contains(new CancelMessageId(req.id(), sndId))) {
if (!F.eq(req.cacheName(), cctx.name())) {
GridCacheQueryResponse res =
new GridCacheQueryResponse(
cctx.cacheId(),
req.id(),
new IgniteCheckedException(
"Received request for incorrect cache [expected="
+ cctx.name()
+ ", actual="
+ req.cacheName()));
sendQueryResponse(sndId, res, 0);
} else {
threads.put(req.id(), Thread.currentThread());
try {
GridCacheQueryInfo info = distributedQueryInfo(sndId, req);
if (info == null) return;
if (req.fields()) runFieldsQuery(info);
else runQuery(info);
} catch (Throwable e) {
U.error(log(), "Failed to run query.", e);
sendQueryResponse(
sndId, new GridCacheQueryResponse(cctx.cacheId(), req.id(), e.getCause()), 0);
if (e instanceof Error) throw (Error) e;
} finally {
threads.remove(req.id());
}
}
}
}
}
/**
* Gets any existing metric with the given name or, if none exists, adds the given metric.
*
* @param name the metric's name
* @param metric the new metric
* @param <T> the type of the metric
* @return either the existing metric or {@code metric}
*/
@SuppressWarnings("unchecked")
protected final <T extends Metric> T getOrAdd(MetricName name, T metric) {
final Metric existingMetric = metrics.get(name);
if (existingMetric == null) {
final Metric justAddedMetric = metrics.putIfAbsent(name, metric);
if (justAddedMetric == null) {
notifyMetricAdded(name, metric);
return metric;
}
if (metric instanceof Stoppable) {
((Stoppable) metric).stop();
}
return (T) justAddedMetric;
}
return (T) existingMetric;
}
public void shutdown() {
for (ClientEndpoint endpoint : endpoints.values()) {
try {
endpoint.destroy();
} catch (LoginException e) {
logger.finest(e.getMessage());
}
try {
final Connection conn = endpoint.getConnection();
if (conn.live()) {
conn.close();
}
} catch (Exception e) {
logger.finest(e);
}
}
endpoints.clear();
}
/**
* Removes the metric with the given name.
*
* @param name the name of the metric
*/
public void removeMetric(MetricName name) {
final Metric metric = metrics.remove(name);
if (metric != null) {
if (metric instanceof Stoppable) {
((Stoppable) metric).stop();
}
notifyMetricRemoved(name);
}
}
Set<ClientEndpoint> getEndpoints(String uuid) {
Set<ClientEndpoint> endpointSet = new HashSet<ClientEndpoint>();
for (ClientEndpoint endpoint : endpoints.values()) {
if (uuid.equals(endpoint.getUuid())) {
endpointSet.add(endpoint);
}
}
return endpointSet;
}
public void onDown(Host host) {
loadBalancer.onDown(host);
HostConnectionPool pool = pools.remove(host);
// This should not be necessary but it's harmless
if (pool != null) pool.shutdown();
// If we've remove a host, the loadBalancer is allowed to change his mind on host distances.
for (Host h : cluster.getMetadata().allHosts()) {
if (!h.getMonitor().isUp()) continue;
HostDistance dist = loadBalancer.distance(h);
if (dist != HostDistance.IGNORED) {
HostConnectionPool p = pools.get(h);
if (p == null) addHost(host);
else p.hostDistance = dist;
}
}
}
private boolean shutdown(long timeout, TimeUnit unit) throws InterruptedException {
if (!isShutdown.compareAndSet(false, true)) return true;
long start = System.nanoTime();
boolean success = true;
for (HostConnectionPool pool : pools.values())
success &= pool.shutdown(timeout - Cluster.timeSince(start, unit), unit);
return success;
}
private HostConnectionPool addHost(Host host) {
try {
HostDistance distance = loadBalancer.distance(host);
if (distance == HostDistance.IGNORED) {
return pools.get(host);
} else {
logger.debug("Adding {} to list of queried hosts", host);
return pools.put(host, new HostConnectionPool(host, distance, this));
}
} catch (AuthenticationException e) {
logger.error("Error creating pool to {} ({})", host, e.getMessage());
host.getMonitor()
.signalConnectionFailure(new ConnectionException(e.getHost(), e.getMessage()));
return pools.get(host);
} catch (ConnectionException e) {
logger.debug("Error creating pool to {} ({})", host, e.getMessage());
host.getMonitor().signalConnectionFailure(e);
return pools.get(host);
}
}
/** @param entry Entry to add. */
void onAdded(GridDhtCacheEntry entry) {
GridDhtPartitionState state = state();
if (state == EVICTED)
throw new GridDhtInvalidPartitionException(
id, "Adding entry to invalid partition [part=" + id + ']');
map.put(entry.key(), entry);
if (!entry.isInternal()) mapPubSize.increment();
}
/**
* Flushes every internal buffer if buffer was flushed before passed in threshold.
*
* <p>Does not wait for result and does not fail on errors assuming that this method should be
* called periodically.
*/
@Override
public void tryFlush() throws GridInterruptedException {
if (!busyLock.enterBusy()) return;
try {
for (Buffer buf : bufMappings.values()) buf.flush();
lastFlushTime = U.currentTimeMillis();
} finally {
leaveBusy();
}
}
protected void handleInterruptRequest(Address source, long requestId) {
Owner owner = new Owner(source, requestId);
Runnable runnable = removeKeyForValue(_running, owner);
Thread thread = null;
if (runnable != null) {
thread = _runnableThreads.remove(runnable);
}
if (thread != null) {
thread.interrupt();
} else if (log.isTraceEnabled())
log.trace("Message could not be interrupted due to it already returned");
}
protected void handleTaskRejectedResponse(Address source, long requestId) {
Runnable runnable = _awaitingReturn.remove(new Owner(source, requestId));
if (runnable != null) {
_awaitingConsumer.add(runnable);
Long taskRequestId = _requestId.get(runnable);
if (taskRequestId != requestId) {
log.warn("Task Request Id doesn't match in rejection");
}
sendToCoordinator(RUN_REQUEST, taskRequestId, local_addr);
} else {
log.error(Util.getMessage("ErrorResubmittingTaskForRequestId") + requestId);
}
}