Java Code Examples for org.apache.hadoop.yarn.api.records.ResourceRequest#getPriority()
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org.apache.hadoop.yarn.api.records.ResourceRequest#getPriority() .
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Example 1
Source File: TestRMContainerAllocator.java From hadoop with Apache License 2.0 | 6 votes |
@Override public AllocateResponse allocate(AllocateRequest request) throws YarnException, IOException { lastAsk = request.getAskList(); for (ResourceRequest req : lastAsk) { if (ResourceRequest.ANY.equals(req.getResourceName())) { Priority priority = req.getPriority(); if (priority.equals(RMContainerAllocator.PRIORITY_MAP)) { lastAnyAskMap = req.getNumContainers(); } else if (priority.equals(RMContainerAllocator.PRIORITY_REDUCE)){ lastAnyAskReduce = req.getNumContainers(); } } } AllocateResponse response = AllocateResponse.newInstance( request.getResponseId(), containersToComplete, containersToAllocate, Collections.<NodeReport>emptyList(), Resource.newInstance(512000, 1024, 1024), null, 10, null, Collections.<NMToken>emptyList()); containersToComplete.clear(); containersToAllocate.clear(); return response; }
Example 2
Source File: TestRMContainerAllocator.java From big-c with Apache License 2.0 | 6 votes |
@Override public AllocateResponse allocate(AllocateRequest request) throws YarnException, IOException { lastAsk = request.getAskList(); for (ResourceRequest req : lastAsk) { if (ResourceRequest.ANY.equals(req.getResourceName())) { Priority priority = req.getPriority(); if (priority.equals(RMContainerAllocator.PRIORITY_MAP)) { lastAnyAskMap = req.getNumContainers(); } else if (priority.equals(RMContainerAllocator.PRIORITY_REDUCE)){ lastAnyAskReduce = req.getNumContainers(); } } } AllocateResponse response = AllocateResponse.newInstance( request.getResponseId(), containersToComplete, containersToAllocate, Collections.<NodeReport>emptyList(), Resource.newInstance(512000, 1024), null, 10, null, Collections.<NMToken>emptyList()); containersToComplete.clear(); containersToAllocate.clear(); return response; }
Example 3
Source File: AppSchedulingInfo.java From big-c with Apache License 2.0 | 4 votes |
/**还没有弄明白 * The ApplicationMaster is updating resource requirements for the * application, by asking for more resources and releasing resources acquired * by the application. * 如果是recover的话表明该资源被请求过,现在只不过是被抢占了,所以需要RM重新分配资源 * * @param requests resources to be acquired * @param recoverPreemptedRequest recover Resource Request on preemption */ synchronized public void updateResourceRequests( List<ResourceRequest> requests, boolean recoverPreemptedRequest) { QueueMetrics metrics = queue.getMetrics(); // Update resource requests for (ResourceRequest request : requests) { Priority priority = request.getPriority(); String resourceName = request.getResourceName(); boolean updatePendingResources = false; ResourceRequest lastRequest = null; if (resourceName.equals(ResourceRequest.ANY)) { if (LOG.isDebugEnabled()) { LOG.debug("update:" + " application=" + applicationId + " request=" + request); } updatePendingResources = true; // Premature optimization? // Assumes that we won't see more than one priority request updated // in one call, reasonable assumption... however, it's totally safe // to activate same application more than once. // Thus we don't need another loop ala the one in decrementOutstanding() // which is needed during deactivate. if (request.getNumContainers() > 0) { activeUsersManager.activateApplication(user, applicationId); } } Map<String, ResourceRequest> asks = this.requests.get(priority); if (asks == null) { //在该优先级还没有请求,所以新建一个请求 asks = new ConcurrentHashMap<String, ResourceRequest>(); this.requests.put(priority, asks); this.priorities.add(priority); } lastRequest = asks.get(resourceName); //上一次的请求 if (recoverPreemptedRequest && lastRequest != null) { // Increment the number of containers to 1, as it is recovering a // single container. request.setNumContainers(lastRequest.getNumContainers() + 1); } asks.put(resourceName, request); if (updatePendingResources) { // Similarly, deactivate application? if (request.getNumContainers() <= 0) { LOG.info("checking for deactivate of application :" + this.applicationId); checkForDeactivation(); } int lastRequestContainers = lastRequest != null ? lastRequest .getNumContainers() : 0; Resource lastRequestCapability = lastRequest != null ? lastRequest .getCapability() : Resources.none(); metrics.incrPendingResources(user, request.getNumContainers(), request.getCapability()); metrics.decrPendingResources(user, lastRequestContainers, lastRequestCapability); } } }