YARN-183. Clean up fair scheduler code. Contributed by Sandy Ryza.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1407433 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas White
parent
312eb23598
commit
933a6d2c1e
@ -69,6 +69,8 @@ Release 2.0.3-alpha - Unreleased
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YARN-136. Make ClientToAMTokenSecretManager part of RMContext (Vinod Kumar
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Vavilapalli via sseth)
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YARN-183. Clean up fair scheduler code. (Sandy Ryza via tomwhite)
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OPTIMIZATIONS
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BUG FIXES
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@ -101,7 +101,7 @@ public void redistributeShare() {}
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@Override
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public Resource getResourceUsage() {
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return this.app.getCurrentConsumption();
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return app.getCurrentConsumption();
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}
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@ -114,7 +114,7 @@ public Resource getMinShare() {
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* Get metrics reference from containing queue.
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*/
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public QueueMetrics getMetrics() {
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return this.queue.getQueueSchedulable().getMetrics();
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return queue.getQueueSchedulable().getMetrics();
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}
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@Override
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@ -190,9 +190,9 @@ private void reserve(FSSchedulerApp application, Priority priority,
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RMContainer rmContainer = application.reserve(node, priority, null,
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container);
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node.reserveResource(application, priority, rmContainer);
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getMetrics().reserveResource(this.app.getUser(),
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getMetrics().reserveResource(app.getUser(),
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container.getResource());
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scheduler.getRootQueueMetrics().reserveResource(this.app.getUser(),
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scheduler.getRootQueueMetrics().reserveResource(app.getUser(),
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container.getResource());
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}
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@ -257,13 +257,13 @@ private Resource assignContainer(FSSchedulerNode node,
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// TODO this should subtract resource just assigned
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// TEMPROARY
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getMetrics().setAvailableResourcesToQueue(
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this.scheduler.getClusterCapacity());
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scheduler.getClusterCapacity());
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}
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// If we had previously made a reservation, delete it
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if (reserved) {
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this.unreserve(application, priority, node);
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unreserve(application, priority, node);
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}
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// Inform the node
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@ -290,7 +290,7 @@ public Resource assignContainer(FSSchedulerNode node, boolean reserved) {
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// Make sure the application still needs requests at this priority
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if (app.getTotalRequiredResources(priority) == 0) {
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this.unreserve(app, priority, node);
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unreserve(app, priority, node);
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return Resources.none();
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}
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} else {
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@ -61,7 +61,7 @@ public void addApp(FSSchedulerApp app) {
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queueSchedulable.addApp(appSchedulable);
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}
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public void removeJob(FSSchedulerApp app) {
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public void removeApp(FSSchedulerApp app) {
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applications.remove(app);
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queueSchedulable.removeApp(app);
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}
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@ -80,7 +80,7 @@ public FSQueueSchedulable(FairScheduler scheduler, FSQueue queue) {
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this.scheduler = scheduler;
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this.queue = queue;
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this.queueMgr = scheduler.getQueueManager();
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this.metrics = QueueMetrics.forQueue(this.getName(), null, true, scheduler.getConf());
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this.metrics = QueueMetrics.forQueue(getName(), null, true, scheduler.getConf());
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this.lastTimeAtMinShare = scheduler.getClock().getTime();
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this.lastTimeAtHalfFairShare = scheduler.getClock().getTime();
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}
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@ -113,7 +113,7 @@ public void updateDemand() {
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Resource toAdd = sched.getDemand();
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if (LOG.isDebugEnabled()) {
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LOG.debug("Counting resource from " + sched.getName() + " " + toAdd
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+ "; Total resource consumption for " + this.getName() + " now "
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+ "; Total resource consumption for " + getName() + " now "
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+ demand);
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}
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demand = Resources.add(demand, toAdd);
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@ -123,7 +123,7 @@ public void updateDemand() {
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}
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}
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if (LOG.isDebugEnabled()) {
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LOG.debug("The updated demand for " + this.getName() + " is " + demand
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LOG.debug("The updated demand for " + getName() + " is " + demand
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+ "; the max is " + maxRes);
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}
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}
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@ -164,9 +164,9 @@ public long getStartTime() {
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@Override
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public Resource assignContainer(FSSchedulerNode node, boolean reserved) {
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LOG.debug("Node offered to queue: " + this.getName() + " reserved: " + reserved);
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LOG.debug("Node offered to queue: " + getName() + " reserved: " + reserved);
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// If this queue is over its limit, reject
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if (Resources.greaterThan(this.getResourceUsage(),
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if (Resources.greaterThan(getResourceUsage(),
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queueMgr.getMaxResources(queue.getName()))) {
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return Resources.none();
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}
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@ -258,7 +258,7 @@ public Priority getPriority() {
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@Override
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public Map<QueueACL, AccessControlList> getQueueAcls() {
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Map<QueueACL, AccessControlList> acls = this.queueMgr.getQueueAcls(this.getName());
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Map<QueueACL, AccessControlList> acls = queueMgr.getQueueAcls(getName());
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return new HashMap<QueueACL, AccessControlList>(acls);
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}
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@ -284,7 +284,7 @@ public List<QueueUserACLInfo> getQueueUserAclInfo(UserGroupInformation user) {
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recordFactory.newRecordInstance(QueueUserACLInfo.class);
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List<QueueACL> operations = new ArrayList<QueueACL>();
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for (QueueACL operation : QueueACL.values()) {
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Map<QueueACL, AccessControlList> acls = this.queueMgr.getQueueAcls(this.getName());
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Map<QueueACL, AccessControlList> acls = queueMgr.getQueueAcls(getName());
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if (acls.get(operation).isUserAllowed(user)) {
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operations.add(operation);
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}
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@ -112,12 +112,12 @@ public FSSchedulerApp(ApplicationAttemptId applicationAttemptId,
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}
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public ApplicationId getApplicationId() {
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return this.appSchedulingInfo.getApplicationId();
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return appSchedulingInfo.getApplicationId();
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}
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@Override
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public ApplicationAttemptId getApplicationAttemptId() {
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return this.appSchedulingInfo.getApplicationAttemptId();
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return appSchedulingInfo.getApplicationAttemptId();
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}
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public void setAppSchedulable(AppSchedulable appSchedulable) {
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@ -129,7 +129,7 @@ public AppSchedulable getAppSchedulable() {
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}
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public String getUser() {
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return this.appSchedulingInfo.getUser();
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return appSchedulingInfo.getUser();
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}
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public synchronized void updateResourceRequests(
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@ -138,19 +138,19 @@ public synchronized void updateResourceRequests(
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}
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public Map<String, ResourceRequest> getResourceRequests(Priority priority) {
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return this.appSchedulingInfo.getResourceRequests(priority);
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return appSchedulingInfo.getResourceRequests(priority);
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}
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public int getNewContainerId() {
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return this.appSchedulingInfo.getNewContainerId();
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return appSchedulingInfo.getNewContainerId();
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}
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public Collection<Priority> getPriorities() {
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return this.appSchedulingInfo.getPriorities();
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return appSchedulingInfo.getPriorities();
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}
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public ResourceRequest getResourceRequest(Priority priority, String nodeAddress) {
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return this.appSchedulingInfo.getResourceRequest(priority, nodeAddress);
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return appSchedulingInfo.getResourceRequest(priority, nodeAddress);
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}
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public synchronized int getTotalRequiredResources(Priority priority) {
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@ -158,7 +158,7 @@ public synchronized int getTotalRequiredResources(Priority priority) {
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}
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public Resource getResource(Priority priority) {
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return this.appSchedulingInfo.getResource(priority);
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return appSchedulingInfo.getResource(priority);
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}
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/**
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@ -167,11 +167,11 @@ public Resource getResource(Priority priority) {
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*/
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@Override
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public boolean isPending() {
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return this.appSchedulingInfo.isPending();
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return appSchedulingInfo.isPending();
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}
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public String getQueueName() {
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return this.appSchedulingInfo.getQueueName();
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return appSchedulingInfo.getQueueName();
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}
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/**
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@ -185,7 +185,7 @@ public synchronized Collection<RMContainer> getLiveContainers() {
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public synchronized void stop(RMAppAttemptState rmAppAttemptFinalState) {
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// Cleanup all scheduling information
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this.appSchedulingInfo.stop(rmAppAttemptFinalState);
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appSchedulingInfo.stop(rmAppAttemptFinalState);
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}
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@SuppressWarnings("unchecked")
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@ -196,7 +196,7 @@ public synchronized void containerLaunchedOnNode(ContainerId containerId,
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getRMContainer(containerId);
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if (rmContainer == null) {
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// Some unknown container sneaked into the system. Kill it.
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this.rmContext.getDispatcher().getEventHandler()
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rmContext.getDispatcher().getEventHandler()
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.handle(new RMNodeCleanContainerEvent(nodeId, containerId));
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return;
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}
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@ -272,7 +272,7 @@ public synchronized RMContainer getRMContainer(ContainerId id) {
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}
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synchronized public void addSchedulingOpportunity(Priority priority) {
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this.schedulingOpportunities.setCount(priority,
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schedulingOpportunities.setCount(priority,
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schedulingOpportunities.count(priority) + 1);
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}
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@ -282,19 +282,19 @@ synchronized public void addSchedulingOpportunity(Priority priority) {
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* successfully did so.
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*/
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synchronized public int getSchedulingOpportunities(Priority priority) {
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return this.schedulingOpportunities.count(priority);
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return schedulingOpportunities.count(priority);
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}
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synchronized void resetReReservations(Priority priority) {
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this.reReservations.setCount(priority, 0);
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reReservations.setCount(priority, 0);
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}
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synchronized void addReReservation(Priority priority) {
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this.reReservations.add(priority);
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reReservations.add(priority);
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}
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synchronized public int getReReservations(Priority priority) {
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return this.reReservations.count(priority);
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return reReservations.count(priority);
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}
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public synchronized int getNumReservedContainers(Priority priority) {
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@ -458,8 +458,8 @@ public Queue getQueue() {
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* @param priority The priority of the container scheduled.
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*/
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synchronized public void resetSchedulingOpportunities(Priority priority) {
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this.lastScheduledContainer.put(priority, System.currentTimeMillis());
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this.schedulingOpportunities.setCount(priority, 0);
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lastScheduledContainer.put(priority, System.currentTimeMillis());
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schedulingOpportunities.setCount(priority, 0);
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}
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/**
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@ -494,14 +494,14 @@ public synchronized NodeType getAllowedLocalityLevel(Priority priority,
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rackLocalityThreshold;
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// Relax locality constraints once we've surpassed threshold.
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if (this.getSchedulingOpportunities(priority) > (numNodes * threshold)) {
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if (getSchedulingOpportunities(priority) > (numNodes * threshold)) {
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if (allowed.equals(NodeType.NODE_LOCAL)) {
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allowedLocalityLevel.put(priority, NodeType.RACK_LOCAL);
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this.resetSchedulingOpportunities(priority);
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resetSchedulingOpportunities(priority);
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}
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else if (allowed.equals(NodeType.RACK_LOCAL)) {
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allowedLocalityLevel.put(priority, NodeType.OFF_SWITCH);
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this.resetSchedulingOpportunities(priority);
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resetSchedulingOpportunities(priority);
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}
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}
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return allowedLocalityLevel.get(priority);
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@ -512,7 +512,7 @@ synchronized public RMContainer allocate(NodeType type, FSSchedulerNode node,
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Priority priority, ResourceRequest request,
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Container container) {
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// Update allowed locality level
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NodeType allowed = this.allowedLocalityLevel.get(priority);
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NodeType allowed = allowedLocalityLevel.get(priority);
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if (allowed != null) {
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if (allowed.equals(NodeType.OFF_SWITCH) &&
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(type.equals(NodeType.NODE_LOCAL) ||
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@ -532,9 +532,9 @@ else if (allowed.equals(NodeType.RACK_LOCAL) &&
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}
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// Create RMContainer
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RMContainer rmContainer = new RMContainerImpl(container, this
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.getApplicationAttemptId(), node.getNodeID(), this.rmContext
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.getDispatcher().getEventHandler(), this.rmContext
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RMContainer rmContainer = new RMContainerImpl(container,
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getApplicationAttemptId(), node.getNodeID(), rmContext
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.getDispatcher().getEventHandler(), rmContext
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.getContainerAllocationExpirer());
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// Add it to allContainers list.
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@ -67,25 +67,25 @@ public FSSchedulerNode(RMNode node) {
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}
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public RMNode getRMNode() {
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return this.rmNode;
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return rmNode;
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}
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public NodeId getNodeID() {
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return this.rmNode.getNodeID();
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return rmNode.getNodeID();
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}
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public String getHttpAddress() {
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return this.rmNode.getHttpAddress();
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return rmNode.getHttpAddress();
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}
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@Override
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public String getHostName() {
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return this.rmNode.getHostName();
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return rmNode.getHostName();
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}
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@Override
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public String getRackName() {
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return this.rmNode.getRackName();
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return rmNode.getRackName();
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}
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/**
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@ -112,17 +112,18 @@ public synchronized void allocateContainer(ApplicationId applicationId,
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@Override
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public synchronized Resource getAvailableResource() {
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return this.availableResource;
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return availableResource;
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}
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@Override
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public synchronized Resource getUsedResource() {
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return this.usedResource;
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return usedResource;
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}
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private synchronized boolean isValidContainer(Container c) {
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if (launchedContainers.containsKey(c.getId()))
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if (launchedContainers.containsKey(c.getId())) {
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return true;
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}
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return false;
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}
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@ -139,11 +139,11 @@ public class FairScheduler implements ResourceScheduler {
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public FairSchedulerConfiguration getConf() {
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return this.conf;
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return conf;
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}
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public QueueManager getQueueManager() {
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return this.queueMgr;
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return queueMgr;
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}
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public List<FSQueueSchedulable> getQueueSchedulables() {
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@ -183,36 +183,34 @@ public void run() {
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* fair shares, deficits, minimum slot allocations, and amount of used and
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* required resources per job.
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*/
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protected void update() {
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synchronized (this) {
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queueMgr.reloadAllocsIfNecessary(); // Relaod alloc file
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updateRunnability(); // Set job runnability based on user/queue limits
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updatePreemptionVariables(); // Determine if any queues merit preemption
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protected synchronized void update() {
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queueMgr.reloadAllocsIfNecessary(); // Relaod alloc file
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updateRunnability(); // Set job runnability based on user/queue limits
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updatePreemptionVariables(); // Determine if any queues merit preemption
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// Update demands of apps and queues
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for (FSQueue queue: queueMgr.getQueues()) {
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queue.getQueueSchedulable().updateDemand();
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}
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// Compute fair shares based on updated demands
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List<FSQueueSchedulable> queueScheds = this.getQueueSchedulables();
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SchedulingAlgorithms.computeFairShares(
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queueScheds, clusterCapacity);
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// Update queue metrics for this queue
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for (FSQueueSchedulable sched : queueScheds) {
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sched.getMetrics().setAvailableResourcesToQueue(sched.getFairShare());
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}
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// Use the computed shares to assign shares within each queue
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for (FSQueue queue: queueMgr.getQueues()) {
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queue.getQueueSchedulable().redistributeShare();
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}
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// Update recorded capacity of root queue (child queues are updated
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// when fair share is calculated).
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rootMetrics.setAvailableResourcesToQueue(clusterCapacity);
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// Update demands of apps and queues
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for (FSQueue queue: queueMgr.getQueues()) {
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queue.getQueueSchedulable().updateDemand();
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}
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// Compute fair shares based on updated demands
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List<FSQueueSchedulable> queueScheds = getQueueSchedulables();
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SchedulingAlgorithms.computeFairShares(
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queueScheds, clusterCapacity);
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// Update queue metrics for this queue
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for (FSQueueSchedulable sched : queueScheds) {
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sched.getMetrics().setAvailableResourcesToQueue(sched.getFairShare());
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}
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// Use the computed shares to assign shares within each queue
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for (FSQueue queue: queueMgr.getQueues()) {
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queue.getQueueSchedulable().redistributeShare();
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}
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// Update recorded capacity of root queue (child queues are updated
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// when fair share is calculated).
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rootMetrics.setAvailableResourcesToQueue(clusterCapacity);
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}
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/**
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@ -257,17 +255,16 @@ boolean isStarvedForFairShare(FSQueueSchedulable sched) {
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* have been below half their fair share for the fairSharePreemptionTimeout.
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* If such queues exist, compute how many tasks of each type need to be
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* preempted and then select the right ones using preemptTasks.
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*
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* This method computes and logs the number of tasks we want to preempt even
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* if preemption is disabled, for debugging purposes.
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*/
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protected void preemptTasksIfNecessary() {
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if (!preemptionEnabled)
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if (!preemptionEnabled) {
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return;
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}
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long curTime = clock.getTime();
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if (curTime - lastPreemptCheckTime < preemptionInterval)
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if (curTime - lastPreemptCheckTime < preemptionInterval) {
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return;
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}
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lastPreemptCheckTime = curTime;
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Resource resToPreempt = Resources.none();
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@ -288,8 +285,9 @@ protected void preemptTasksIfNecessary() {
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* lowest priority to preempt.
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*/
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protected void preemptResources(List<FSQueueSchedulable> scheds, Resource toPreempt) {
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if (scheds.isEmpty() || Resources.equals(toPreempt, Resources.none()))
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if (scheds.isEmpty() || Resources.equals(toPreempt, Resources.none())) {
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return;
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}
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Map<RMContainer, FSSchedulerApp> apps =
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new HashMap<RMContainer, FSSchedulerApp>();
|
||||
@ -330,7 +328,7 @@ public int compare(RMContainer c1, RMContainer c2) {
|
||||
|
||||
// TODO: Not sure if this ever actually adds this to the list of cleanup
|
||||
// containers on the RMNode (see SchedulerNode.releaseContainer()).
|
||||
this.completedContainer(container, status, RMContainerEventType.KILL);
|
||||
completedContainer(container, status, RMContainerEventType.KILL);
|
||||
|
||||
toPreempt = Resources.subtract(toPreempt,
|
||||
container.getContainer().getResource());
|
||||
@ -413,7 +411,7 @@ private void updateRunnability() {
|
||||
}
|
||||
|
||||
public RMContainerTokenSecretManager getContainerTokenSecretManager() {
|
||||
return this.rmContext.getContainerTokenSecretManager();
|
||||
return rmContext.getContainerTokenSecretManager();
|
||||
}
|
||||
|
||||
public double getAppWeight(AppSchedulable app) {
|
||||
@ -437,28 +435,28 @@ public double getAppWeight(AppSchedulable app) {
|
||||
|
||||
@Override
|
||||
public Resource getMinimumResourceCapability() {
|
||||
return this.minimumAllocation;
|
||||
return minimumAllocation;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Resource getMaximumResourceCapability() {
|
||||
return this.maximumAllocation;
|
||||
return maximumAllocation;
|
||||
}
|
||||
|
||||
public double getNodeLocalityThreshold() {
|
||||
return this.nodeLocalityThreshold;
|
||||
return nodeLocalityThreshold;
|
||||
}
|
||||
|
||||
public double getRackLocalityThreshold() {
|
||||
return this.rackLocalityThreshold;
|
||||
return rackLocalityThreshold;
|
||||
}
|
||||
|
||||
public Resource getClusterCapacity() {
|
||||
return this.clusterCapacity;
|
||||
return clusterCapacity;
|
||||
}
|
||||
|
||||
public Clock getClock() {
|
||||
return this.clock;
|
||||
return clock;
|
||||
}
|
||||
|
||||
protected void setClock(Clock clock) {
|
||||
@ -478,11 +476,11 @@ public FairSchedulerEventLog getEventLog() {
|
||||
addApplication(ApplicationAttemptId applicationAttemptId,
|
||||
String queueName, String user) {
|
||||
|
||||
FSQueue queue = this.queueMgr.getQueue(queueName);
|
||||
FSQueue queue = queueMgr.getQueue(queueName);
|
||||
|
||||
FSSchedulerApp schedulerApp =
|
||||
new FSSchedulerApp(applicationAttemptId, user,
|
||||
queue.getQueueSchedulable(), new ActiveUsersManager(this.getRootQueueMetrics()),
|
||||
queue.getQueueSchedulable(), new ActiveUsersManager(getRootQueueMetrics()),
|
||||
rmContext, null);
|
||||
|
||||
// Inforce ACLs
|
||||
@ -553,8 +551,8 @@ private synchronized void removeApplication(
|
||||
application.stop(rmAppAttemptFinalState);
|
||||
|
||||
// Inform the queue
|
||||
FSQueue queue = this.queueMgr.getQueue(application.getQueue().getQueueName());
|
||||
queue.removeJob(application);
|
||||
FSQueue queue = queueMgr.getQueue(application.getQueue().getQueueName());
|
||||
queue.removeApp(application);
|
||||
|
||||
// Remove from our data-structure
|
||||
applications.remove(applicationAttemptId);
|
||||
@ -600,7 +598,7 @@ private synchronized void completedContainer(RMContainer rmContainer,
|
||||
}
|
||||
|
||||
private synchronized void addNode(RMNode node) {
|
||||
this.nodes.put(node.getNodeID(), new FSSchedulerNode(node));
|
||||
nodes.put(node.getNodeID(), new FSSchedulerNode(node));
|
||||
Resources.addTo(clusterCapacity, node.getTotalCapability());
|
||||
|
||||
LOG.info("Added node " + node.getNodeAddress() +
|
||||
@ -608,7 +606,7 @@ private synchronized void addNode(RMNode node) {
|
||||
}
|
||||
|
||||
private synchronized void removeNode(RMNode rmNode) {
|
||||
FSSchedulerNode node = this.nodes.get(rmNode.getNodeID());
|
||||
FSSchedulerNode node = nodes.get(rmNode.getNodeID());
|
||||
Resources.subtractFrom(clusterCapacity, rmNode.getTotalCapability());
|
||||
|
||||
// Remove running containers
|
||||
@ -631,7 +629,7 @@ private synchronized void removeNode(RMNode rmNode) {
|
||||
RMContainerEventType.KILL);
|
||||
}
|
||||
|
||||
this.nodes.remove(rmNode.getNodeID());
|
||||
nodes.remove(rmNode.getNodeID());
|
||||
LOG.info("Removed node " + rmNode.getNodeAddress() +
|
||||
" cluster capacity: " + clusterCapacity);
|
||||
}
|
||||
@ -669,10 +667,8 @@ public Allocation allocate(ApplicationAttemptId appAttemptId,
|
||||
}
|
||||
|
||||
synchronized (application) {
|
||||
|
||||
if (!ask.isEmpty()) {
|
||||
|
||||
if(LOG.isDebugEnabled()) {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("allocate: pre-update" +
|
||||
" applicationAttemptId=" + appAttemptId +
|
||||
" application=" + application.getApplicationId());
|
||||
@ -686,7 +682,7 @@ public Allocation allocate(ApplicationAttemptId appAttemptId,
|
||||
application.showRequests();
|
||||
}
|
||||
|
||||
if(LOG.isDebugEnabled()) {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("allocate:" +
|
||||
" applicationAttemptId=" + appAttemptId +
|
||||
" #ask=" + ask.size());
|
||||
@ -764,7 +760,7 @@ private synchronized void nodeUpdate(RMNode nm,
|
||||
int assignedContainers = 0;
|
||||
while (true) {
|
||||
// At most one task is scheduled each iteration of this loop
|
||||
List<FSQueueSchedulable> scheds = this.getQueueSchedulables();
|
||||
List<FSQueueSchedulable> scheds = getQueueSchedulables();
|
||||
Collections.sort(scheds, new SchedulingAlgorithms.FairShareComparator());
|
||||
boolean assignedContainer = false;
|
||||
for (FSQueueSchedulable sched : scheds) {
|
||||
@ -796,11 +792,11 @@ public FSSchedulerApp getSchedulerApp(ApplicationAttemptId appAttemptId) {
|
||||
@Override
|
||||
public SchedulerAppReport getSchedulerAppInfo(
|
||||
ApplicationAttemptId appAttemptId) {
|
||||
if (!this.applications.containsKey(appAttemptId)) {
|
||||
if (!applications.containsKey(appAttemptId)) {
|
||||
LOG.error("Request for appInfo of unknown attempt" + appAttemptId);
|
||||
return null;
|
||||
}
|
||||
return new SchedulerAppReport(this.applications.get(appAttemptId));
|
||||
return new SchedulerAppReport(applications.get(appAttemptId));
|
||||
}
|
||||
|
||||
@Override
|
||||
@ -812,37 +808,30 @@ public QueueMetrics getRootQueueMetrics() {
|
||||
public void handle(SchedulerEvent event) {
|
||||
switch(event.getType()) {
|
||||
case NODE_ADDED:
|
||||
{
|
||||
if (!(event instanceof NodeAddedSchedulerEvent)) {
|
||||
throw new RuntimeException("Unexpected event type: " + event);
|
||||
}
|
||||
NodeAddedSchedulerEvent nodeAddedEvent = (NodeAddedSchedulerEvent)event;
|
||||
addNode(nodeAddedEvent.getAddedRMNode());
|
||||
}
|
||||
break;
|
||||
break;
|
||||
case NODE_REMOVED:
|
||||
{
|
||||
if (!(event instanceof NodeRemovedSchedulerEvent)) {
|
||||
throw new RuntimeException("Unexpected event type: " + event);
|
||||
}
|
||||
NodeRemovedSchedulerEvent nodeRemovedEvent = (NodeRemovedSchedulerEvent)event;
|
||||
removeNode(nodeRemovedEvent.getRemovedRMNode());
|
||||
}
|
||||
break;
|
||||
break;
|
||||
case NODE_UPDATE:
|
||||
{
|
||||
if (!(event instanceof NodeUpdateSchedulerEvent)) {
|
||||
throw new RuntimeException("Unexpected event type: " + event);
|
||||
}
|
||||
NodeUpdateSchedulerEvent nodeUpdatedEvent =
|
||||
(NodeUpdateSchedulerEvent)event;
|
||||
this.nodeUpdate(nodeUpdatedEvent.getRMNode(),
|
||||
nodeUpdate(nodeUpdatedEvent.getRMNode(),
|
||||
nodeUpdatedEvent.getNewlyLaunchedContainers(),
|
||||
nodeUpdatedEvent.getCompletedContainers());
|
||||
}
|
||||
break;
|
||||
break;
|
||||
case APP_ADDED:
|
||||
{
|
||||
if (!(event instanceof AppAddedSchedulerEvent)) {
|
||||
throw new RuntimeException("Unexpected event type: " + event);
|
||||
}
|
||||
@ -857,20 +846,16 @@ public void handle(SchedulerEvent event) {
|
||||
|
||||
addApplication(appAddedEvent.getApplicationAttemptId(), queue,
|
||||
appAddedEvent.getUser());
|
||||
}
|
||||
break;
|
||||
break;
|
||||
case APP_REMOVED:
|
||||
{
|
||||
if (!(event instanceof AppRemovedSchedulerEvent)) {
|
||||
throw new RuntimeException("Unexpected event type: " + event);
|
||||
}
|
||||
AppRemovedSchedulerEvent appRemovedEvent = (AppRemovedSchedulerEvent)event;
|
||||
this.removeApplication(appRemovedEvent.getApplicationAttemptID(),
|
||||
removeApplication(appRemovedEvent.getApplicationAttemptID(),
|
||||
appRemovedEvent.getFinalAttemptState());
|
||||
}
|
||||
break;
|
||||
break;
|
||||
case CONTAINER_EXPIRED:
|
||||
{
|
||||
if (!(event instanceof ContainerExpiredSchedulerEvent)) {
|
||||
throw new RuntimeException("Unexpected event type: " + event);
|
||||
}
|
||||
@ -882,8 +867,7 @@ public void handle(SchedulerEvent event) {
|
||||
containerId,
|
||||
SchedulerUtils.EXPIRED_CONTAINER),
|
||||
RMContainerEventType.EXPIRE);
|
||||
}
|
||||
break;
|
||||
break;
|
||||
default:
|
||||
LOG.error("Unknown event arrived at FairScheduler: " + event.toString());
|
||||
}
|
||||
@ -897,9 +881,9 @@ public void recover(RMState state) throws Exception {
|
||||
@Override
|
||||
public synchronized void
|
||||
reinitialize(Configuration conf, RMContext rmContext) throws IOException {
|
||||
if (!this.initialized) {
|
||||
if (!initialized) {
|
||||
this.conf = new FairSchedulerConfiguration(conf);
|
||||
this.rootMetrics = QueueMetrics.forQueue("root", null, true, conf);
|
||||
rootMetrics = QueueMetrics.forQueue("root", null, true, conf);
|
||||
this.rmContext = rmContext;
|
||||
this.clock = new SystemClock();
|
||||
this.eventLog = new FairSchedulerEventLog();
|
||||
@ -973,7 +957,7 @@ public List<QueueUserACLInfo> getQueueUserAclInfo() {
|
||||
|
||||
@Override
|
||||
public int getNumClusterNodes() {
|
||||
return this.nodes.size();
|
||||
return nodes.size();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
*/
|
||||
@Private
|
||||
@Unstable
|
||||
public class NewJobWeightBooster extends Configured implements WeightAdjuster {
|
||||
public class NewAppWeightBooster extends Configured implements WeightAdjuster {
|
||||
private static final float DEFAULT_FACTOR = 3;
|
||||
private static final long DEFAULT_DURATION = 5 * 60 * 1000;
|
||||
|
||||
@ -202,7 +202,7 @@ public boolean exists(String name) {
|
||||
* Get the queue for a given AppSchedulable.
|
||||
*/
|
||||
public FSQueue getQueueForApp(AppSchedulable app) {
|
||||
return this.getQueue(app.getApp().getQueueName());
|
||||
return getQueue(app.getApp().getQueueName());
|
||||
}
|
||||
|
||||
/**
|
||||
@ -388,7 +388,7 @@ else if ("defaultQueueSchedulingMode".equals(element.getTagName())) {
|
||||
|
||||
// Commit the reload; also create any queue defined in the alloc file
|
||||
// if it does not already exist, so it can be displayed on the web UI.
|
||||
synchronized(this) {
|
||||
synchronized (this) {
|
||||
setMinResources(minQueueResources);
|
||||
setMaxResources(maxQueueResources);
|
||||
setQueueMaxApps(queueMaxApps);
|
||||
@ -431,14 +431,14 @@ public Resource getMinResources(String queue) {
|
||||
synchronized(minQueueResourcesMO) {
|
||||
if (minQueueResources.containsKey(queue)) {
|
||||
return minQueueResources.get(queue);
|
||||
} else{
|
||||
} else {
|
||||
return Resources.createResource(0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void setMinResources(Map<String, Resource> resources) {
|
||||
synchronized(minQueueResourcesMO) {
|
||||
synchronized (minQueueResourcesMO) {
|
||||
minQueueResources = resources;
|
||||
}
|
||||
}
|
||||
@ -457,7 +457,7 @@ public Resource getMaxResources(String queueName) {
|
||||
}
|
||||
|
||||
private void setMaxResources(Map<String, Resource> resources) {
|
||||
synchronized(maxQueueResourcesMO) {
|
||||
synchronized (maxQueueResourcesMO) {
|
||||
maxQueueResources = resources;
|
||||
}
|
||||
}
|
||||
@ -472,8 +472,8 @@ public synchronized void addApp(FSSchedulerApp app) {
|
||||
/**
|
||||
* Remove an app
|
||||
*/
|
||||
public synchronized void removeJob(FSSchedulerApp app) {
|
||||
getQueue(app.getQueueName()).removeJob(app);
|
||||
public synchronized void removeApp(FSSchedulerApp app) {
|
||||
getQueue(app.getQueueName()).removeApp(app);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -543,7 +543,7 @@ private void setQueueMaxApps(Map<String, Integer> queueApps) {
|
||||
}
|
||||
|
||||
private int getQueueMaxAppsDefault(){
|
||||
synchronized(queueMaxAppsDefaultMO) {
|
||||
synchronized (queueMaxAppsDefaultMO) {
|
||||
return queueMaxAppsDefault;
|
||||
}
|
||||
}
|
||||
@ -575,11 +575,12 @@ private void setQueueWeights(Map<String, Double> weights) {
|
||||
queueWeights = weights;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a queue's min share preemption timeout, in milliseconds. This is the
|
||||
* time after which jobs in the queue may kill other queues' tasks if they
|
||||
* are below their min share.
|
||||
*/
|
||||
* Get a queue's min share preemption timeout, in milliseconds. This is the
|
||||
* time after which jobs in the queue may kill other queues' tasks if they
|
||||
* are below their min share.
|
||||
*/
|
||||
public long getMinSharePreemptionTimeout(String queueName) {
|
||||
synchronized (minSharePreemptionTimeoutsMO) {
|
||||
if (minSharePreemptionTimeouts.containsKey(queueName)) {
|
||||
|
||||
@ -24,7 +24,7 @@
|
||||
|
||||
/**
|
||||
* A pluggable object for altering the weights of apps in the fair scheduler,
|
||||
* which is used for example by {@link NewJobWeightBooster} to give higher
|
||||
* which is used for example by {@link NewAppWeightBooster} to give higher
|
||||
* weight to new jobs so that short jobs finish faster.
|
||||
*
|
||||
* May implement {@link Configurable} to access configuration parameters.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user