Java Code Examples for org.apache.hadoop.yarn.api.records.Resource#getMemory()

protected void refreshMaximumAllocation(Resource newMaxAlloc) {
  maxAllocWriteLock.lock();
  try {
    configuredMaximumAllocation = Resources.clone(newMaxAlloc);
    int maxMemory = newMaxAlloc.getMemory();
    if (maxNodeMemory != -1) {
      maxMemory = Math.min(maxMemory, maxNodeMemory);
    }
    int maxVcores = newMaxAlloc.getVirtualCores();
    if (maxNodeVCores != -1) {
      maxVcores = Math.min(maxVcores, maxNodeVCores);
    }
    int maxGcores = newMaxAlloc.getGpuCores();
    if (maxNodeGCores != -1) {
      maxGcores = Math.min(maxGcores, maxNodeGCores);
    }
    maximumAllocation = Resources.createResource(maxMemory, maxVcores, maxGcores);
  } finally {
    maxAllocWriteLock.unlock();
  }
}
 

public Resource getHeadroom() {
  
  Resource queueCurrentLimit;
  Resource clusterResource;
  synchronized (queueResourceLimitsInfo) {
    queueCurrentLimit = queueResourceLimitsInfo.getQueueCurrentLimit();
    clusterResource = queueResourceLimitsInfo.getClusterResource();
  }
  Resource headroom = queue.getHeadroom(user, queueCurrentLimit, 
    clusterResource, application, required);
  
  // Corner case to deal with applications being slightly over-limit
  if (headroom.getMemory() < 0) {
    headroom.setMemory(0);
  }
  return headroom;

}
 

@Override
public int compare(Resource arg0, Resource arg1) {
  int mem0 = arg0.getMemory();
  int mem1 = arg1.getMemory();
  int cpu0 = arg0.getVirtualCores();
  int cpu1 = arg1.getVirtualCores();
  if(mem0 == mem1) {
    if(cpu0 == cpu1) {
      return 0;
    }
    if(cpu0 < cpu1) {
      return 1;
    }
    return -1;
  }
  if(mem0 < mem1) { 
    return 1;
  }
  return -1;
}
 

private static void updateAttemptMetrics(RMContainerImpl container) {
  // If this is a preempted container, update preemption metrics
  Resource resource = container.getContainer().getResource();
  RMAppAttempt rmAttempt = container.rmContext.getRMApps()
      .get(container.getApplicationAttemptId().getApplicationId())
      .getCurrentAppAttempt();
  if (ContainerExitStatus.PREEMPTED == container.finishedStatus
    .getExitStatus()) {
    rmAttempt.getRMAppAttemptMetrics().updatePreemptionInfo(resource,
      container);
  }
  
  if (rmAttempt != null) {
    long usedMillis = container.finishTime - container.creationTime;
    long memorySeconds = (long)(resource.getMemory()*container.utilization)
                          * usedMillis / DateUtils.MILLIS_PER_SECOND;
    long vcoreSeconds = (long)(resource.getVirtualCores()*container.utilization)
                         * usedMillis / DateUtils.MILLIS_PER_SECOND;
    
    if (container.suspendTime.size() >0 && container.resumeTime.size() >0 && container.suspendTime.size() == container.resumeTime.size()){
    	double acc=0;
    	for(int i=0; i < container.suspendTime.size();i++){
    		
    		acc = acc + (container.resumeTime.get(i) - container.suspendTime.get(i));
    	}
    	container.utilization = acc/usedMillis;  	
    }
    rmAttempt.getRMAppAttemptMetrics()
              .updateAggregateAppResourceUsage(memorySeconds,vcoreSeconds);
  }
}
 

private Resource adjustMemory(GetNewApplicationResponse response, Resource capability) {
  int maxMemory = response.getMaximumResourceCapability().getMemory();
  int updatedMemory = capability.getMemory();

  if (updatedMemory > maxMemory) {
    capability.setMemory(maxMemory);
  }

  return capability;
}
 

private static int getResourceValue(Resource resource, ResourceType type) {
  switch (type) {
  case MEMORY:
    return resource.getMemory();
  case CPU:
    return resource.getVirtualCores();
  case GPU:
    return resource.getGpuCores();
  default:
    throw new IllegalArgumentException("Invalid resource");
  }
}
 

public synchronized void addResourceRequestSpec(
    Priority priority, Resource capability) {
  Resource currentSpec = requestSpec.put(priority, capability);
  if (currentSpec != null) {
    throw new IllegalStateException("Resource spec already exists for " +
    		"priority " + priority.getPriority() + " - " + currentSpec.getMemory());
  }
}
 

@Override
public int compareTo(Resource other) {
  int diff = this.getMemory() - other.getMemory();
  if (diff == 0) {
    diff = this.getVirtualCores() - other.getVirtualCores();
  }
  return diff;
}
 

public void allocateContainer(Resource res) {
  allocatedContainers.incr();
  allocatedMB = allocatedMB + res.getMemory();
  allocatedGB.set((int)Math.ceil(allocatedMB/1024d));
  availableMB = availableMB - res.getMemory();
  availableGB.set((int)Math.floor(availableMB/1024d));
  allocatedVCores.incr(res.getVirtualCores());
  availableVCores.decr(res.getVirtualCores());
}
 

boolean canFit(Resource arg0, Resource arg1) {
  int mem0 = arg0.getMemory();
  int mem1 = arg1.getMemory();
  int cpu0 = arg0.getVirtualCores();
  int cpu1 = arg1.getVirtualCores();
  
  if(mem0 <= mem1 && cpu0 <= cpu1) { 
    return true;
  }
  return false; 
}
 

@Override
public int compareTo(Resource o) {
  int diff = 0 - o.getMemory();
  if (diff == 0) {
    diff = 0 - o.getVirtualCores();
    if (diff == 0) {
      diff = 0 - o.getGpuCores();
    }
  }
  return diff;
}
 

public static int computeAvailableContainers(Resource available,
    Resource required, EnumSet<SchedulerResourceTypes> resourceTypes) {
  if (resourceTypes.contains(SchedulerResourceTypes.CPU)) {
    return Math.min(available.getMemory() / required.getMemory(),
      available.getVirtualCores() / required.getVirtualCores());
  }
  return available.getMemory() / required.getMemory();
}
 

@Override
public String getClusterDescription() {

	try {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		PrintStream ps = new PrintStream(baos);

		YarnClusterMetrics metrics = yarnClient.getYarnClusterMetrics();

		ps.append("NodeManagers in the ClusterClient " + metrics.getNumNodeManagers());
		List<NodeReport> nodes = yarnClient.getNodeReports(NodeState.RUNNING);
		final String format = "|%-16s |%-16s %n";
		ps.printf("|Property         |Value          %n");
		ps.println("+---------------------------------------+");
		int totalMemory = 0;
		int totalCores = 0;
		for (NodeReport rep : nodes) {
			final Resource res = rep.getCapability();
			totalMemory += res.getMemory();
			totalCores += res.getVirtualCores();
			ps.format(format, "NodeID", rep.getNodeId());
			ps.format(format, "Memory", res.getMemory() + " MB");
			ps.format(format, "vCores", res.getVirtualCores());
			ps.format(format, "HealthReport", rep.getHealthReport());
			ps.format(format, "Containers", rep.getNumContainers());
			ps.println("+---------------------------------------+");
		}
		ps.println("Summary: totalMemory " + totalMemory + " totalCores " + totalCores);
		List<QueueInfo> qInfo = yarnClient.getAllQueues();
		for (QueueInfo q : qInfo) {
			ps.println("Queue: " + q.getQueueName() + ", Current Capacity: " + q.getCurrentCapacity() + " Max Capacity: " +
				q.getMaximumCapacity() + " Applications: " + q.getApplications().size());
		}
		return baos.toString();
	} catch (Exception e) {
		throw new RuntimeException("Couldn't get cluster description", e);
	}
}
 

private float computeQueueUsedCapacity(CSQueue queue,
    int expectedMemory, Resource clusterResource) {
  return (expectedMemory / 
      (clusterResource.getMemory() * queue.getAbsoluteCapacity()));
}
 

@Override
public boolean checkIfAMResourceUsageOverLimit(Resource usage, Resource maxAMResource) {
  return usage.getMemory() > maxAMResource.getMemory();
}
 

@SuppressWarnings({ "rawtypes", "unchecked" })
public AppInfo(ResourceManager rm, RMApp app, Boolean hasAccess,
    String schemePrefix) {
  this.schemePrefix = schemePrefix;
  if (app != null) {
    String trackingUrl = app.getTrackingUrl();
    this.state = app.createApplicationState();
    this.trackingUrlIsNotReady = trackingUrl == null || trackingUrl.isEmpty()
        || YarnApplicationState.NEW == this.state
        || YarnApplicationState.NEW_SAVING == this.state
        || YarnApplicationState.SUBMITTED == this.state
        || YarnApplicationState.ACCEPTED == this.state;
    this.trackingUI = this.trackingUrlIsNotReady ? "UNASSIGNED" : (app
        .getFinishTime() == 0 ? "ApplicationMaster" : "History");
    if (!trackingUrlIsNotReady) {
      this.trackingUrl =
          WebAppUtils.getURLWithScheme(schemePrefix,
              trackingUrl);
      this.trackingUrlPretty = this.trackingUrl;
    } else {
      this.trackingUrlPretty = "UNASSIGNED";
    }
    this.applicationId = app.getApplicationId();
    this.applicationType = app.getApplicationType();
    this.appIdNum = String.valueOf(app.getApplicationId().getId());
    this.id = app.getApplicationId().toString();
    this.user = app.getUser().toString();
    this.name = app.getName().toString();
    this.queue = app.getQueue().toString();
    this.progress = app.getProgress() * 100;
    this.diagnostics = app.getDiagnostics().toString();
    if (diagnostics == null || diagnostics.isEmpty()) {
      this.diagnostics = "";
    }
    if (app.getApplicationTags() != null && !app.getApplicationTags().isEmpty()) {
      this.applicationTags = Joiner.on(',').join(app.getApplicationTags());
    }
    this.finalStatus = app.getFinalApplicationStatus();
    this.clusterId = ResourceManager.getClusterTimeStamp();
    if (hasAccess) {
      this.startedTime = app.getStartTime();
      this.finishedTime = app.getFinishTime();
      this.elapsedTime = Times.elapsed(app.getStartTime(),
          app.getFinishTime());

      RMAppAttempt attempt = app.getCurrentAppAttempt();
      if (attempt != null) {
        Container masterContainer = attempt.getMasterContainer();
        if (masterContainer != null) {
          this.amContainerLogsExist = true;
          this.amContainerLogs = WebAppUtils.getRunningLogURL(
              schemePrefix + masterContainer.getNodeHttpAddress(),
              ConverterUtils.toString(masterContainer.getId()),
              app.getUser());
          this.amHostHttpAddress = masterContainer.getNodeHttpAddress();
        }
        
        ApplicationResourceUsageReport resourceReport = attempt
            .getApplicationResourceUsageReport();
        if (resourceReport != null) {
          Resource usedResources = resourceReport.getUsedResources();
          allocatedMB = usedResources.getMemory();
          allocatedVCores = usedResources.getVirtualCores();
          runningContainers = resourceReport.getNumUsedContainers();
        }
        resourceRequests =
            ((AbstractYarnScheduler) rm.getRMContext().getScheduler())
              .getPendingResourceRequestsForAttempt(attempt.getAppAttemptId());
      }
    }

    // copy preemption info fields
    RMAppMetrics appMetrics = app.getRMAppMetrics();
    numAMContainerPreempted =
        appMetrics.getNumAMContainersPreempted();
    preemptedResourceMB =
        appMetrics.getResourcePreempted().getMemory();
    numNonAMContainerPreempted =
        appMetrics.getNumNonAMContainersPreempted();
    preemptedResourceVCores =
        appMetrics.getResourcePreempted().getVirtualCores();
    memorySeconds = appMetrics.getMemorySeconds();
    vcoreSeconds = appMetrics.getVcoreSeconds();
  }
}
 

private boolean fitsIn(Resource toFit, Resource resource) {
  // YARN-893 prevents using correct library code
  //return Resources.fitsIn(toFit, resource);
  return resource.getMemory() >= toFit.getMemory();
}
 

public void subtract(Resource r) {
  memory -= r.getMemory();
  vcores -= r.getVirtualCores();
  gcores -= r.getGpuCores();
}
 

private void updateQueueWithNodeUpdate(
        NodeUpdateSchedulerEventWrapper eventWrapper) {
  RMNodeWrapper node = (RMNodeWrapper) eventWrapper.getRMNode();
  List<UpdatedContainerInfo> containerList = node.getContainerUpdates();
  for (UpdatedContainerInfo info : containerList) {
    for (ContainerStatus status : info.getCompletedContainers()) {
      ContainerId containerId = status.getContainerId();
      SchedulerAppReport app = scheduler.getSchedulerAppInfo(
              containerId.getApplicationAttemptId());

      if (app == null) {
        // this happens for the AM container
        // The app have already removed when the NM sends the release
        // information.
        continue;
      }

      String queue =
          appQueueMap.get(containerId.getApplicationAttemptId()
            .getApplicationId());
      int releasedMemory = 0, releasedVCores = 0;
      if (status.getExitStatus() == ContainerExitStatus.SUCCESS) {
        for (RMContainer rmc : app.getLiveContainers()) {
          if (rmc.getContainerId() == containerId) {
            releasedMemory += rmc.getContainer().getResource().getMemory();
            releasedVCores += rmc.getContainer()
                    .getResource().getVirtualCores();
            break;
          }
        }
      } else if (status.getExitStatus() == ContainerExitStatus.ABORTED) {
        if (preemptionContainerMap.containsKey(containerId)) {
          Resource preResource = preemptionContainerMap.get(containerId);
          releasedMemory += preResource.getMemory();
          releasedVCores += preResource.getVirtualCores();
          preemptionContainerMap.remove(containerId);
        }
      }
      // update queue counters
      updateQueueMetrics(queue, releasedMemory, releasedVCores);
    }
  }
}
 

/** 
 *  Return a command to execute the given command in OS shell.
 *  On Windows, the passed in groupId can be used to launch
 *  and associate the given groupId in a process group. On
 *  non-Windows, groupId is ignored. 
 */
protected String[] getRunCommand(String command, String groupId,
    String userName, Path pidFile, Configuration conf, Resource resource) {
  boolean containerSchedPriorityIsSet = false;
  int containerSchedPriorityAdjustment = 
      YarnConfiguration.DEFAULT_NM_CONTAINER_EXECUTOR_SCHED_PRIORITY;

  if (conf.get(YarnConfiguration.NM_CONTAINER_EXECUTOR_SCHED_PRIORITY) != 
      null) {
    containerSchedPriorityIsSet = true;
    containerSchedPriorityAdjustment = conf 
        .getInt(YarnConfiguration.NM_CONTAINER_EXECUTOR_SCHED_PRIORITY, 
        YarnConfiguration.DEFAULT_NM_CONTAINER_EXECUTOR_SCHED_PRIORITY);
  }

  if (Shell.WINDOWS) {
    int cpuRate = -1;
    int memory = -1;
    if (resource != null) {
      if (conf
          .getBoolean(
              YarnConfiguration.NM_WINDOWS_CONTAINER_MEMORY_LIMIT_ENABLED,
              YarnConfiguration.DEFAULT_NM_WINDOWS_CONTAINER_MEMORY_LIMIT_ENABLED)) {
        memory = resource.getMemory();
      }

      if (conf.getBoolean(
          YarnConfiguration.NM_WINDOWS_CONTAINER_CPU_LIMIT_ENABLED,
          YarnConfiguration.DEFAULT_NM_WINDOWS_CONTAINER_CPU_LIMIT_ENABLED)) {
        int containerVCores = resource.getVirtualCores();
        int nodeVCores = conf.getInt(YarnConfiguration.NM_VCORES,
            YarnConfiguration.DEFAULT_NM_VCORES);
        // cap overall usage to the number of cores allocated to YARN
        int nodeCpuPercentage = Math
            .min(
                conf.getInt(
                    YarnConfiguration.NM_RESOURCE_PERCENTAGE_PHYSICAL_CPU_LIMIT,
                    YarnConfiguration.DEFAULT_NM_RESOURCE_PERCENTAGE_PHYSICAL_CPU_LIMIT),
                100);
        nodeCpuPercentage = Math.max(0, nodeCpuPercentage);
        if (nodeCpuPercentage == 0) {
          String message = "Illegal value for "
              + YarnConfiguration.NM_RESOURCE_PERCENTAGE_PHYSICAL_CPU_LIMIT
              + ". Value cannot be less than or equal to 0.";
          throw new IllegalArgumentException(message);
        }
        float yarnVCores = (nodeCpuPercentage * nodeVCores) / 100.0f;
        // CPU should be set to a percentage * 100, e.g. 20% cpu rate limit
        // should be set as 20 * 100. The following setting is equal to:
        // 100 * (100 * (vcores / Total # of cores allocated to YARN))
        cpuRate = Math.min(10000,
            (int) ((containerVCores * 10000) / yarnVCores));
      }
    }
    return new String[] { Shell.WINUTILS, "task", "create", "-m",
        String.valueOf(memory), "-c", String.valueOf(cpuRate), groupId,
        "cmd /c " + command };
  } else {
    List<String> retCommand = new ArrayList<String>();
    if (containerSchedPriorityIsSet) {
      retCommand.addAll(Arrays.asList("nice", "-n",
          Integer.toString(containerSchedPriorityAdjustment)));
    }
    retCommand.addAll(Arrays.asList("bash", command));
    return retCommand.toArray(new String[retCommand.size()]);
  }

}