use of com.datatorrent.stram.engine.StreamingContainer in project apex-core by apache.
the class StreamingAppMasterService method execute.
/**
* Main run function for the application master
*
* @throws YarnException
*/
@SuppressWarnings("SleepWhileInLoop")
private void execute() throws YarnException, IOException {
LOG.info("Starting ApplicationMaster");
final Configuration conf = getConfig();
if (UserGroupInformation.isSecurityEnabled()) {
tokenRenewer = new TokenRenewer(dag, true, conf, appAttemptID.getApplicationId().toString());
}
// Register self with ResourceManager
RegisterApplicationMasterResponse response = amRmClient.registerApplicationMaster(appMasterHostname, 0, appMasterTrackingUrl);
// Dump out information about cluster capability as seen by the resource manager
int maxMem = response.getMaximumResourceCapability().getMemory();
int maxVcores = response.getMaximumResourceCapability().getVirtualCores();
int minMem = conf.getInt("yarn.scheduler.minimum-allocation-mb", 0);
int minVcores = conf.getInt("yarn.scheduler.minimum-allocation-vcores", 0);
LOG.info("Max mem {}m, Min mem {}m, Max vcores {} and Min vcores {} capabililty of resources in this cluster ", maxMem, minMem, maxVcores, minVcores);
long blacklistRemovalTime = dag.getValue(DAGContext.BLACKLISTED_NODE_REMOVAL_TIME_MILLIS);
int maxConsecutiveContainerFailures = dag.getValue(DAGContext.MAX_CONSECUTIVE_CONTAINER_FAILURES_FOR_BLACKLIST);
LOG.info("Blacklist removal time in millis = {}, max consecutive node failure count = {}", blacklistRemovalTime, maxConsecutiveContainerFailures);
// for locality relaxation fall back
Map<StreamingContainerAgent.ContainerStartRequest, MutablePair<Integer, ContainerRequest>> requestedResources = Maps.newHashMap();
// Setup heartbeat emitter
// TODO poll RM every now and then with an empty request to let RM know that we are alive
// The heartbeat interval after which an AM is timed out by the RM is defined by a config setting:
// RM_AM_EXPIRY_INTERVAL_MS with default defined by DEFAULT_RM_AM_EXPIRY_INTERVAL_MS
// The allocate calls to the RM count as heartbeat so, for now, this additional heartbeat emitter
// is not required.
int loopCounter = -1;
long nodeReportUpdateTime = 0;
// keep track of already requested containers to not request them again while waiting for allocation
int numRequestedContainers = 0;
int numReleasedContainers = 0;
int nextRequestPriority = 0;
// Use override for resource requestor in case of cloudera distribution, to handle host specific requests
ResourceRequestHandler resourceRequestor = System.getenv().containsKey("CDH_HADOOP_BIN") ? new BlacklistBasedResourceRequestHandler() : new ResourceRequestHandler();
List<ContainerStartRequest> pendingContainerStartRequests = new LinkedList<>();
try (YarnClient clientRMService = StramClientUtils.createYarnClient(conf)) {
try {
// YARN-435
// we need getClusterNodes to populate the initial node list,
// subsequent updates come through the heartbeat response
ApplicationReport ar = StramClientUtils.getStartedAppInstanceByName(clientRMService, dag.getAttributes().get(DAG.APPLICATION_NAME), UserGroupInformation.getLoginUser().getUserName(), dag.getAttributes().get(DAG.APPLICATION_ID));
if (ar != null) {
appDone = true;
dnmgr.shutdownDiagnosticsMessage = String.format("Application master failed due to application %s with duplicate application name \"%s\" by the same user \"%s\" is already started.", ar.getApplicationId().toString(), ar.getName(), ar.getUser());
LOG.info("Forced shutdown due to {}", dnmgr.shutdownDiagnosticsMessage);
finishApplication(FinalApplicationStatus.FAILED);
return;
}
resourceRequestor.updateNodeReports(clientRMService.getNodeReports());
nodeReportUpdateTime = System.currentTimeMillis() + UPDATE_NODE_REPORTS_INTERVAL;
} catch (Exception e) {
throw new RuntimeException("Failed to retrieve cluster nodes report.", e);
}
List<Container> containers = response.getContainersFromPreviousAttempts();
// Running containers might take a while to register with the new app master and send the heartbeat signal.
int waitForRecovery = containers.size() > 0 ? dag.getValue(LogicalPlan.HEARTBEAT_TIMEOUT_MILLIS) / 1000 : 0;
List<ContainerId> releasedContainers = previouslyAllocatedContainers(containers);
FinalApplicationStatus finalStatus = FinalApplicationStatus.SUCCEEDED;
final InetSocketAddress rmAddress = conf.getSocketAddr(YarnConfiguration.RM_ADDRESS, YarnConfiguration.DEFAULT_RM_ADDRESS, YarnConfiguration.DEFAULT_RM_PORT);
while (!appDone) {
loopCounter++;
final long currentTimeMillis = System.currentTimeMillis();
if (tokenRenewer != null) {
tokenRenewer.checkAndRenew();
}
if (currentTimeMillis > nodeReportUpdateTime) {
resourceRequestor.updateNodeReports(clientRMService.getNodeReports());
nodeReportUpdateTime = currentTimeMillis + UPDATE_NODE_REPORTS_INTERVAL;
}
Runnable r;
while ((r = this.pendingTasks.poll()) != null) {
r.run();
}
// need not have any available containers
try {
sleep(1000);
} catch (InterruptedException e) {
LOG.info("Sleep interrupted", e);
}
// Setup request to be sent to RM to allocate containers
List<ContainerRequest> containerRequests = new ArrayList<>();
List<ContainerRequest> removedContainerRequests = new ArrayList<>();
// request containers for pending deploy requests
if (!dnmgr.containerStartRequests.isEmpty()) {
StreamingContainerAgent.ContainerStartRequest csr;
while ((csr = dnmgr.containerStartRequests.poll()) != null) {
if (csr.container.getRequiredMemoryMB() > maxMem) {
LOG.warn("Container memory {}m above max threshold of cluster. Using max value {}m.", csr.container.getRequiredMemoryMB(), maxMem);
csr.container.setRequiredMemoryMB(maxMem);
}
if (csr.container.getRequiredMemoryMB() < minMem) {
csr.container.setRequiredMemoryMB(minMem);
}
if (csr.container.getRequiredVCores() > maxVcores) {
LOG.warn("Container vcores {} above max threshold of cluster. Using max value {}.", csr.container.getRequiredVCores(), maxVcores);
csr.container.setRequiredVCores(maxVcores);
}
if (csr.container.getRequiredVCores() < minVcores) {
csr.container.setRequiredVCores(minVcores);
}
csr.container.setResourceRequestPriority(nextRequestPriority++);
ContainerRequest cr = resourceRequestor.createContainerRequest(csr, true);
if (cr == null) {
pendingContainerStartRequests.add(csr);
} else {
resourceRequestor.addContainerRequest(requestedResources, loopCounter, containerRequests, csr, cr);
}
}
}
// If all other requests are allocated, retry pending requests which need host availability
if (containerRequests.isEmpty() && !pendingContainerStartRequests.isEmpty()) {
List<ContainerStartRequest> removalList = new LinkedList<>();
for (ContainerStartRequest csr : pendingContainerStartRequests) {
ContainerRequest cr = resourceRequestor.createContainerRequest(csr, true);
if (cr != null) {
resourceRequestor.addContainerRequest(requestedResources, loopCounter, containerRequests, csr, cr);
removalList.add(csr);
}
}
pendingContainerStartRequests.removeAll(removalList);
}
resourceRequestor.reissueContainerRequests(amRmClient, requestedResources, loopCounter, resourceRequestor, containerRequests, removedContainerRequests);
/* Remove nodes from blacklist after timeout */
List<String> blacklistRemovals = new ArrayList<>();
for (String hostname : failedBlackListedNodes) {
Long timeDiff = currentTimeMillis - failedContainerNodesMap.get(hostname).blackListAdditionTime;
if (timeDiff >= blacklistRemovalTime) {
blacklistRemovals.add(hostname);
failedContainerNodesMap.remove(hostname);
}
}
if (!blacklistRemovals.isEmpty()) {
amRmClient.updateBlacklist(null, blacklistRemovals);
LOG.info("Removing nodes {} from blacklist: time elapsed since last blacklisting due to failure is greater than specified timeout", blacklistRemovals.toString());
failedBlackListedNodes.removeAll(blacklistRemovals);
}
numRequestedContainers += containerRequests.size() - removedContainerRequests.size();
AllocateResponse amResp = sendContainerAskToRM(containerRequests, removedContainerRequests, releasedContainers);
if (amResp.getAMCommand() != null) {
LOG.info(" statement executed:{}", amResp.getAMCommand());
switch(amResp.getAMCommand()) {
case AM_RESYNC:
case AM_SHUTDOWN:
throw new YarnRuntimeException("Received the " + amResp.getAMCommand() + " command from RM");
default:
throw new YarnRuntimeException("Received the " + amResp.getAMCommand() + " command from RM");
}
}
releasedContainers.clear();
// Retrieve list of allocated containers from the response
List<Container> newAllocatedContainers = amResp.getAllocatedContainers();
// LOG.info("Got response from RM for container ask, allocatedCnt=" + newAllocatedContainers.size());
numRequestedContainers -= newAllocatedContainers.size();
long timestamp = System.currentTimeMillis();
for (Container allocatedContainer : newAllocatedContainers) {
LOG.info("Got new container." + ", containerId=" + allocatedContainer.getId() + ", containerNode=" + allocatedContainer.getNodeId() + ", containerNodeURI=" + allocatedContainer.getNodeHttpAddress() + ", containerResourceMemory" + allocatedContainer.getResource().getMemory() + ", priority" + allocatedContainer.getPriority());
// + ", containerToken" + allocatedContainer.getContainerToken().getIdentifier().toString());
boolean alreadyAllocated = true;
StreamingContainerAgent.ContainerStartRequest csr = null;
for (Map.Entry<StreamingContainerAgent.ContainerStartRequest, MutablePair<Integer, ContainerRequest>> entry : requestedResources.entrySet()) {
if (entry.getKey().container.getResourceRequestPriority() == allocatedContainer.getPriority().getPriority()) {
alreadyAllocated = false;
csr = entry.getKey();
break;
}
}
if (alreadyAllocated) {
LOG.info("Releasing {} as resource with priority {} was already assigned", allocatedContainer.getId(), allocatedContainer.getPriority());
releasedContainers.add(allocatedContainer.getId());
numReleasedContainers++;
// undo the decrement above for this allocated container
numRequestedContainers++;
continue;
}
if (csr != null) {
requestedResources.remove(csr);
}
// allocate resource to container
ContainerResource resource = new ContainerResource(allocatedContainer.getPriority().getPriority(), allocatedContainer.getId().toString(), allocatedContainer.getNodeId().toString(), allocatedContainer.getResource().getMemory(), allocatedContainer.getResource().getVirtualCores(), allocatedContainer.getNodeHttpAddress());
StreamingContainerAgent sca = dnmgr.assignContainer(resource, null);
if (sca == null) {
// allocated container no longer needed, add release request
LOG.warn("Container {} allocated but nothing to deploy, going to release this container.", allocatedContainer.getId());
releasedContainers.add(allocatedContainer.getId());
} else {
AllocatedContainer allocatedContainerHolder = new AllocatedContainer(allocatedContainer);
this.allocatedContainers.put(allocatedContainer.getId().toString(), allocatedContainerHolder);
ByteBuffer tokens = null;
if (UserGroupInformation.isSecurityEnabled()) {
UserGroupInformation ugi = UserGroupInformation.getLoginUser();
Token<StramDelegationTokenIdentifier> delegationToken = allocateDelegationToken(ugi.getUserName(), heartbeatListener.getAddress());
allocatedContainerHolder.delegationToken = delegationToken;
// ByteBuffer tokens = LaunchContainerRunnable.getTokens(delegationTokenManager, heartbeatListener.getAddress());
tokens = LaunchContainerRunnable.getTokens(ugi, delegationToken);
}
LaunchContainerRunnable launchContainer = new LaunchContainerRunnable(allocatedContainer, nmClient, sca, tokens);
// Thread launchThread = new Thread(runnableLaunchContainer);
// launchThreads.add(launchThread);
// launchThread.start();
// communication with NMs is now async
launchContainer.run();
// record container start event
StramEvent ev = new StramEvent.StartContainerEvent(allocatedContainer.getId().toString(), allocatedContainer.getNodeId().toString(), groupingManager.getEventGroupIdForAffectedContainer(allocatedContainer.getId().toString()));
ev.setTimestamp(timestamp);
dnmgr.recordEventAsync(ev);
}
}
// track node updates for future locality constraint allocations
// TODO: it seems 2.0.4-alpha doesn't give us any updates
resourceRequestor.updateNodeReports(amResp.getUpdatedNodes());
// Check the completed containers
List<ContainerStatus> completedContainers = amResp.getCompletedContainersStatuses();
// LOG.debug("Got response from RM for container ask, completedCnt=" + completedContainers.size());
List<String> blacklistAdditions = new ArrayList<>();
for (ContainerStatus containerStatus : completedContainers) {
LOG.info("Completed containerId=" + containerStatus.getContainerId() + ", state=" + containerStatus.getState() + ", exitStatus=" + containerStatus.getExitStatus() + ", diagnostics=" + containerStatus.getDiagnostics());
// non complete containers should not be here
assert (containerStatus.getState() == ContainerState.COMPLETE);
AllocatedContainer allocatedContainer = allocatedContainers.remove(containerStatus.getContainerId().toString());
if (allocatedContainer != null && allocatedContainer.delegationToken != null) {
UserGroupInformation ugi = UserGroupInformation.getLoginUser();
delegationTokenManager.cancelToken(allocatedContainer.delegationToken, ugi.getUserName());
}
EventGroupId groupId = null;
int exitStatus = containerStatus.getExitStatus();
if (0 != exitStatus) {
if (allocatedContainer != null) {
numFailedContainers.incrementAndGet();
if (exitStatus != 1 && maxConsecutiveContainerFailures != Integer.MAX_VALUE) {
// If container failure due to framework
String hostname = allocatedContainer.container.getNodeId().getHost();
if (!failedBlackListedNodes.contains(hostname)) {
// Blacklist the node if not already blacklisted
if (failedContainerNodesMap.containsKey(hostname)) {
NodeFailureStats stats = failedContainerNodesMap.get(hostname);
long timeStamp = System.currentTimeMillis();
if (timeStamp - stats.lastFailureTimeStamp >= blacklistRemovalTime) {
// Reset failure count if last failure was before Blacklist removal time
stats.failureCount = 1;
stats.lastFailureTimeStamp = timeStamp;
} else {
stats.lastFailureTimeStamp = timeStamp;
stats.failureCount++;
if (stats.failureCount >= maxConsecutiveContainerFailures) {
LOG.info("Node {} failed {} times consecutively within {} minutes, marking the node blacklisted", hostname, stats.failureCount, blacklistRemovalTime / (60 * 1000));
blacklistAdditions.add(hostname);
failedBlackListedNodes.add(hostname);
}
}
} else {
failedContainerNodesMap.put(hostname, new NodeFailureStats(System.currentTimeMillis(), 1));
}
}
}
}
// if (exitStatus == 1) {
// // non-recoverable StreamingContainer failure
// appDone = true;
// finalStatus = FinalApplicationStatus.FAILED;
// dnmgr.shutdownDiagnosticsMessage = "Unrecoverable failure " + containerStatus.getContainerId();
// LOG.info("Exiting due to: {}", dnmgr.shutdownDiagnosticsMessage);
// }
// else {
// Recoverable failure or process killed (externally or via stop request by AM)
// also occurs when a container was released by the application but never assigned/launched
LOG.debug("Container {} failed or killed.", containerStatus.getContainerId());
String containerIdStr = containerStatus.getContainerId().toString();
dnmgr.scheduleContainerRestart(containerIdStr);
groupId = groupingManager.getEventGroupIdForAffectedContainer(containerIdStr);
// }
} else {
// container completed successfully
numCompletedContainers.incrementAndGet();
LOG.info("Container completed successfully." + ", containerId=" + containerStatus.getContainerId());
// Reset counter for node failure, if exists
String hostname = allocatedContainer.container.getNodeId().getHost();
NodeFailureStats stats = failedContainerNodesMap.get(hostname);
if (stats != null) {
stats.failureCount = 0;
}
}
String containerIdStr = containerStatus.getContainerId().toString();
dnmgr.removeContainerAgent(containerIdStr);
// record container stop event
StramEvent ev = new StramEvent.StopContainerEvent(containerIdStr, containerStatus.getExitStatus(), groupId);
ev.setReason(containerStatus.getDiagnostics());
dnmgr.recordEventAsync(ev);
}
if (!blacklistAdditions.isEmpty()) {
amRmClient.updateBlacklist(blacklistAdditions, null);
long timeStamp = System.currentTimeMillis();
for (String hostname : blacklistAdditions) {
NodeFailureStats stats = failedContainerNodesMap.get(hostname);
stats.blackListAdditionTime = timeStamp;
}
}
if (dnmgr.forcedShutdown) {
LOG.info("Forced shutdown due to {}", dnmgr.shutdownDiagnosticsMessage);
finalStatus = FinalApplicationStatus.FAILED;
appDone = true;
} else if (allocatedContainers.isEmpty() && numRequestedContainers == 0 && dnmgr.containerStartRequests.isEmpty()) {
LOG.debug("Exiting as no more containers are allocated or requested");
finalStatus = FinalApplicationStatus.SUCCEEDED;
appDone = true;
}
LOG.debug("Current application state: loop={}, appDone={}, requested={}, released={}, completed={}, failed={}, currentAllocated={}, dnmgr.containerStartRequests={}", loopCounter, appDone, numRequestedContainers, numReleasedContainers, numCompletedContainers, numFailedContainers, allocatedContainers.size(), dnmgr.containerStartRequests);
// monitor child containers
dnmgr.monitorHeartbeat(waitForRecovery > 0);
waitForRecovery = Math.max(waitForRecovery - 1, 0);
}
finishApplication(finalStatus);
}
}
use of com.datatorrent.stram.engine.StreamingContainer in project apex-core by apache.
the class StramLocalCluster method run.
@Override
@SuppressWarnings({ "SleepWhileInLoop", "ResultOfObjectAllocationIgnored" })
public void run(long runMillis) {
Thread eventLoopThread = null;
List<Thread> containerThreads = new LinkedList<>();
try {
if (!perContainerBufferServer) {
eventLoopThread = StreamingContainer.eventloop.start();
bufferServer = new Server(StreamingContainer.eventloop, 0, 1024 * 1024, 8);
try {
bufferServer.setSpoolStorage(new DiskStorage());
} catch (IOException e) {
throw new RuntimeException(e);
}
bufferServerAddress = InetSocketAddress.createUnresolved(LOCALHOST, bufferServer.run().getPort());
LOG.info("Buffer server started: {}", bufferServerAddress);
}
long endMillis = System.currentTimeMillis() + runMillis;
while (!appDone) {
for (String containerIdStr : dnmgr.containerStopRequests.values()) {
// teardown child thread
StreamingContainer c = childContainers.get(containerIdStr);
if (c != null) {
ContainerHeartbeatResponse r = new ContainerHeartbeatResponse();
r.shutdown = StreamingContainerUmbilicalProtocol.ShutdownType.ABORT;
c.processHeartbeatResponse(r);
}
dnmgr.containerStopRequests.remove(containerIdStr);
LOG.info("Container {} restart.", containerIdStr);
dnmgr.scheduleContainerRestart(containerIdStr);
// dnmgr.removeContainerAgent(containerIdStr);
}
// start containers
while (!dnmgr.containerStartRequests.isEmpty()) {
ContainerStartRequest cdr = dnmgr.containerStartRequests.poll();
if (cdr != null) {
new LocalStreamingContainerLauncher(cdr, containerThreads);
}
}
if (heartbeatMonitoringEnabled) {
// monitor child containers
dnmgr.monitorHeartbeat(false);
}
if (childContainers.isEmpty() && dnmgr.containerStartRequests.isEmpty()) {
appDone = true;
}
if (runMillis > 0 && System.currentTimeMillis() > endMillis) {
appDone = true;
}
try {
if (exitCondition != null && exitCondition.call()) {
LOG.info("Stopping on exit condition");
appDone = true;
}
} catch (Exception ex) {
break;
}
if (Thread.interrupted()) {
break;
}
if (!appDone) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
LOG.debug("Sleep interrupted", e);
break;
}
}
}
} finally {
for (LocalStreamingContainer lsc : childContainers.values()) {
injectShutdown.put(lsc.getContainerId(), lsc);
lsc.triggerHeartbeat();
}
for (Thread thread : containerThreads) {
try {
thread.join(1000);
} catch (InterruptedException e) {
LOG.debug("Wait for {} to terminate interrupted", thread, e);
}
if (thread.isAlive()) {
LOG.warn("Container thread {} is still alive", thread.getName());
}
}
try {
dnmgr.teardown();
} catch (RuntimeException e) {
LOG.warn("Exception during StreamingContainerManager teardown", e);
}
if (bufferServerAddress != null) {
try {
bufferServer.stop();
} catch (RuntimeException e) {
LOG.warn("Exception during BufferServer stop", e);
}
}
if (eventLoopThread != null) {
try {
StreamingContainer.eventloop.stop();
eventLoopThread.join(1000);
} catch (InterruptedException ie) {
LOG.debug("Wait for {} to terminate interrupted", eventLoopThread.getName(), ie);
} catch (RuntimeException e) {
LOG.warn("Exception during {} stop", StreamingContainer.eventloop, e);
}
if (StreamingContainer.eventloop.isActive()) {
LOG.warn("Event loop {} is still active", StreamingContainer.eventloop);
}
}
}
LOG.info("Application finished.");
}
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