| Modifier and Type | Method and Description | 
|---|---|
| protected MultiNodeSortingManager<SchedulerNode> | ResourceManager. createMultiNodeSortingManager() | 
| MultiNodeSortingManager<SchedulerNode> | RMActiveServiceContext. getMultiNodeSortingManager() | 
| MultiNodeSortingManager<SchedulerNode> | RMContextImpl. getMultiNodeSortingManager() | 
| MultiNodeSortingManager<SchedulerNode> | RMContext. getMultiNodeSortingManager() | 
| Modifier and Type | Method and Description | 
|---|---|
| void | RMActiveServiceContext. setMultiNodeSortingManager(MultiNodeSortingManager<SchedulerNode> multiNodeSortingManager) | 
| void | RMContextImpl. setMultiNodeSortingManager(MultiNodeSortingManager<SchedulerNode> multiNodeSortingManager) | 
| void | RMContext. setMultiNodeSortingManager(MultiNodeSortingManager<SchedulerNode> multiNodeSortingManager) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractYarnScheduler<T extends SchedulerApplicationAttempt,N extends SchedulerNode> | 
| class  | ClusterNodeTracker<N extends SchedulerNode>Helper library that:
 - tracks the state of all cluster  SchedulerNodes
 - provides convenience methods to filter and sort nodes | 
| Modifier and Type | Method and Description | 
|---|---|
| <N extends SchedulerNode> | SchedulerApplicationAttempt. getAppPlacementAllocator(org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerRequestKey) | 
| <N extends SchedulerNode> | AppSchedulingInfo. getAppPlacementAllocator(org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerkey) | 
| Modifier and Type | Method and Description | 
|---|---|
| SchedulerNode | AbstractYarnScheduler. getNode(org.apache.hadoop.yarn.api.records.NodeId nodeId) | 
| SchedulerNode | SchedContainerChangeRequest. getSchedulerNode() | 
| SchedulerNode | YarnScheduler. getSchedulerNode(org.apache.hadoop.yarn.api.records.NodeId nodeId)Get SchedulerNode corresponds to nodeId. | 
| Modifier and Type | Method and Description | 
|---|---|
| static AppPlacementAllocator<SchedulerNode> | ApplicationPlacementAllocatorFactory. getAppPlacementAllocator(String appPlacementAllocatorName,
                        AppSchedulingInfo appSchedulingInfo,
                        org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerRequestKey,
                        RMContext rmContext)Get AppPlacementAllocator related to the placement type requested. | 
| Modifier and Type | Method and Description | 
|---|---|
| boolean | NodeFilter. accept(SchedulerNode node)Criteria to accept node in the filtered list. | 
| protected void | SchedulerApplicationAttempt. addToNewlyAllocatedContainers(SchedulerNode node,
                             RMContainer rmContainer) | 
| ContainerRequest | AppSchedulingInfo. allocate(NodeType type,
        SchedulerNode node,
        org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
        RMContainer containerAllocated) | 
| boolean | ResourceScheduler. attemptAllocationOnNode(SchedulerApplicationAttempt appAttempt,
                       org.apache.hadoop.yarn.api.records.SchedulingRequest schedulingRequest,
                       SchedulerNode schedulerNode)Attempts to allocate a SchedulerRequest on a Node. | 
| boolean | AbstractYarnScheduler. attemptAllocationOnNode(SchedulerApplicationAttempt appAttempt,
                       org.apache.hadoop.yarn.api.records.SchedulingRequest schedulingRequest,
                       SchedulerNode schedulerNode)Default implementation. | 
| boolean | AppSchedulingInfo. checkAllocation(NodeType type,
               SchedulerNode node,
               org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey) | 
| boolean | ContainerUpdateContext. checkAndAddToOutstandingDecreases(org.apache.hadoop.yarn.api.records.UpdateContainerRequest updateReq,
                                 SchedulerNode schedulerNode,
                                 org.apache.hadoop.yarn.api.records.Container container)Add the container to outstanding decreases. | 
| boolean | ContainerUpdateContext. checkAndAddToOutstandingIncreases(RMContainer rmContainer,
                                 SchedulerNode schedulerNode,
                                 org.apache.hadoop.yarn.api.records.UpdateContainerRequest updateRequest)Add the container to outstanding increases. | 
| protected void | AbstractYarnScheduler. containerIncreasedOnNode(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                        SchedulerNode node,
                        org.apache.hadoop.yarn.api.records.Container increasedContainerReportedByNM) | 
| protected void | AbstractYarnScheduler. containerLaunchedOnNode(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                       SchedulerNode node) | 
| static boolean | SchedulerAppUtils. isPlaceBlacklisted(SchedulerApplicationAttempt application,
                  SchedulerNode node,
                  org.slf4j.Logger log) | 
| org.apache.hadoop.yarn.api.records.ContainerId | ContainerUpdateContext. matchContainerToOutstandingIncreaseReq(SchedulerNode node,
                                      org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
                                      RMContainer rmContainer)Check if a new container is to be matched up against an outstanding
 Container increase request. | 
| boolean | AppSchedulingInfo. precheckNode(org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
            SchedulerNode schedulerNode,
            SchedulingMode schedulingMode,
            Optional<DiagnosticsCollector> dcOpt)Pre-check node to see if it satisfy the given schedulerKey and
 scheduler mode. | 
| void | SchedulerApplicationAttempt. recoverContainer(SchedulerNode node,
                RMContainer rmContainer) | 
| RMContainer | SchedulerApplicationAttempt. reserve(SchedulerNode node,
       org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
       RMContainer rmContainer,
       org.apache.hadoop.yarn.api.records.Container container) | 
| boolean | SchedulerApplicationAttempt. reserveIncreasedContainer(SchedulerNode node,
                         org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
                         RMContainer rmContainer,
                         org.apache.hadoop.yarn.api.records.Resource reservedResource) | 
| static void | AppSchedulingInfo. updateMetrics(org.apache.hadoop.yarn.api.records.ApplicationId applicationId,
             NodeType type,
             SchedulerNode node,
             RMContainer containerAllocated,
             String user,
             Queue queue) | 
| protected void | AbstractYarnScheduler. updateNodeResourceUtilization(RMNode nm,
                             SchedulerNode schedulerNode)Update container and utilization information on the NodeManager. | 
| Constructor and Description | 
|---|
| SchedContainerChangeRequest(RMContext rmContext,
                           SchedulerNode schedulerNode,
                           RMContainer rmContainer,
                           org.apache.hadoop.yarn.api.records.Resource targetCapacity) | 
| SchedulerNodeReport(SchedulerNode node) | 
| Modifier and Type | Method and Description | 
|---|---|
| static void | ActivitiesLogger.NODE. finishAllocatedNodeAllocation(ActivitiesManager activitiesManager,
                             SchedulerNode node,
                             org.apache.hadoop.yarn.api.records.ContainerId containerId,
                             AllocationState containerState) | 
| static void | ActivitiesLogger.NODE. finishSkippedNodeAllocation(ActivitiesManager activitiesManager,
                           SchedulerNode node) | 
| org.apache.hadoop.yarn.api.records.NodeId | ActivitiesManager. getRecordingNodeId(SchedulerNode node)Get recording node id:
 1. | 
| static void | ActivitiesLogger.APP. recordAppActivityWithAllocation(ActivitiesManager activitiesManager,
                               SchedulerNode node,
                               SchedulerApplicationAttempt application,
                               RMContainer updatedContainer,
                               ActivityState activityState) | 
| static void | ActivitiesLogger.APP. recordAppActivityWithoutAllocation(ActivitiesManager activitiesManager,
                                  SchedulerNode node,
                                  SchedulerApplicationAttempt application,
                                  org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
                                  String diagnostic,
                                  ActivityState appState,
                                  ActivityLevel level) | 
| static void | ActivitiesLogger.QUEUE. recordQueueActivity(ActivitiesManager activitiesManager,
                   SchedulerNode node,
                   String parentQueueName,
                   String queueName,
                   ActivityState state,
                   String diagnostic) | 
| static void | ActivitiesLogger.QUEUE. recordQueueActivity(ActivitiesManager activitiesManager,
                   SchedulerNode node,
                   String parentQueueName,
                   String queueName,
                   ActivityState state,
                   Supplier<String> diagnosticSupplier) | 
| static void | ActivitiesLogger.APP. recordRejectedAppActivityFromLeafQueue(ActivitiesManager activitiesManager,
                                      SchedulerNode node,
                                      SchedulerApplicationAttempt application,
                                      org.apache.hadoop.yarn.api.records.Priority priority,
                                      String diagnostic) | 
| static void | ActivitiesLogger.APP. recordSkippedAppActivityWithoutAllocation(ActivitiesManager activitiesManager,
                                         SchedulerNode node,
                                         SchedulerApplicationAttempt application,
                                         org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey requestKey,
                                         String diagnostic,
                                         ActivityLevel level) | 
| Modifier and Type | Method and Description | 
|---|---|
| boolean | CapacityScheduler. attemptAllocationOnNode(SchedulerApplicationAttempt appAttempt,
                       org.apache.hadoop.yarn.api.records.SchedulingRequest schedulingRequest,
                       SchedulerNode schedulerNode) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ContainerAllocationProposal<A extends SchedulerApplicationAttempt,N extends SchedulerNode>Proposal to allocate/reserve a new container | 
| class  | ResourceCommitRequest<A extends SchedulerApplicationAttempt,N extends SchedulerNode> | 
| class  | SchedulerContainer<A extends SchedulerApplicationAttempt,N extends SchedulerNode>Contexts for a container inside scheduler | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FiCaSchedulerNode | 
| Modifier and Type | Method and Description | 
|---|---|
| static boolean | PlacementConstraintsUtil. canSatisfyConstraints(org.apache.hadoop.yarn.api.records.ApplicationId applicationId,
                     org.apache.hadoop.yarn.api.records.SchedulingRequest request,
                     SchedulerNode schedulerNode,
                     PlacementConstraintManager pcm,
                     AllocationTagsManager atm) | 
| static boolean | PlacementConstraintsUtil. canSatisfyConstraints(org.apache.hadoop.yarn.api.records.ApplicationId applicationId,
                     org.apache.hadoop.yarn.api.records.SchedulingRequest request,
                     SchedulerNode schedulerNode,
                     PlacementConstraintManager pcm,
                     AllocationTagsManager atm,
                     Optional<DiagnosticsCollector> dcOpt)Returns true if the placement constraint for a given scheduling request
 is currently satisfied by the specific scheduler node. | 
| Modifier and Type | Method and Description | 
|---|---|
| List<SchedulerNode> | PlacedSchedulingRequest. getNodes()List of Node locations on which this Scheduling Request can be placed. | 
| Modifier and Type | Method and Description | 
|---|---|
| List<SchedulerNode> | NodeCandidateSelector. selectNodes(NodeFilter filter)Select a list of nodes given a filter. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | BatchedRequests. addToBlacklist(Set<String> tags,
              SchedulerNode node) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FSSchedulerNodeFair Scheduler specific node features. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | FSAppAttempt. recoverContainer(SchedulerNode node,
                RMContainer rmContainer) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AppPlacementAllocator<N extends SchedulerNode>
 This class has the following functionality:
 1) Keeps track of pending resource requests when following events happen:
 - New ResourceRequests are added to scheduler. | 
| interface  | CandidateNodeSet<N extends SchedulerNode>A group of nodes which can be allocated by scheduler. | 
| class  | LocalityAppPlacementAllocator<N extends SchedulerNode>This is an implementation of the  AppPlacementAllocatorthat takes
 into account locality preferences (node, rack, any) when allocating
 containers. | 
| interface  | MultiNodeLookupPolicy<N extends SchedulerNode>
 This class has the following functionality. | 
| class  | MultiNodeSorter<N extends SchedulerNode>Common node sorting class which will do sorting based on policy spec. | 
| class  | MultiNodeSortingManager<N extends SchedulerNode>Node Sorting Manager which runs all sorter threads and policies. | 
| class  | ResourceUsageMultiNodeLookupPolicy<N extends SchedulerNode>
 This class has the following functionality: | 
| class  | SimpleCandidateNodeSet<N extends SchedulerNode>A simple CandidateNodeSet which keeps an unordered map | 
| class  | SingleConstraintAppPlacementAllocator<N extends SchedulerNode>This is a simple implementation to do affinity or anti-affinity for
 inter/intra apps. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <N extends SchedulerNode> | CandidateNodeSetUtils. getSingleNode(CandidateNodeSet<N> candidates) | 
| Modifier and Type | Method and Description | 
|---|---|
| abstract ContainerRequest | AppPlacementAllocator. allocate(org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
        NodeType type,
        SchedulerNode node)Notify container allocated. | 
| ContainerRequest | SingleConstraintAppPlacementAllocator. allocate(org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
        NodeType type,
        SchedulerNode node) | 
| ContainerRequest | LocalityAppPlacementAllocator. allocate(org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey schedulerKey,
        NodeType type,
        SchedulerNode node) | 
| abstract boolean | AppPlacementAllocator. canAllocate(NodeType type,
           SchedulerNode node)We can still have pending requirement for a given NodeType and node | 
| boolean | SingleConstraintAppPlacementAllocator. canAllocate(NodeType type,
           SchedulerNode node) | 
| boolean | LocalityAppPlacementAllocator. canAllocate(NodeType type,
           SchedulerNode node) | 
| abstract boolean | AppPlacementAllocator. precheckNode(SchedulerNode schedulerNode,
            SchedulingMode schedulingMode) | 
| boolean | SingleConstraintAppPlacementAllocator. precheckNode(SchedulerNode schedulerNode,
            SchedulingMode schedulingMode) | 
| boolean | LocalityAppPlacementAllocator. precheckNode(SchedulerNode schedulerNode,
            SchedulingMode schedulingMode) | 
| abstract boolean | AppPlacementAllocator. precheckNode(SchedulerNode schedulerNode,
            SchedulingMode schedulingMode,
            Optional<DiagnosticsCollector> dcOpt)Does this  AppPlacementAllocatoraccept resources on given node? | 
| boolean | SingleConstraintAppPlacementAllocator. precheckNode(SchedulerNode schedulerNode,
            SchedulingMode schedulingMode,
            Optional<DiagnosticsCollector> dcOpt) | 
| boolean | LocalityAppPlacementAllocator. precheckNode(SchedulerNode schedulerNode,
            SchedulingMode schedulingMode,
            Optional<DiagnosticsCollector> dcOpt) | 
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