| Package | Description | 
|---|---|
| org.apache.hadoop.yarn.server.resourcemanager | |
| org.apache.hadoop.yarn.server.resourcemanager.scheduler | |
| org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity | |
| org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.allocator | |
| org.apache.hadoop.yarn.server.resourcemanager.scheduler.common | |
| org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica | |
| org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement | Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement
 contains classes related to application monitor. | 
| Class and Description | 
|---|
| MultiNodeSortingManager Node Sorting Manager which runs all sorter threads and policies. | 
| Class and Description | 
|---|
| AppPlacementAllocator 
 This class has the following functionality:
 1) Keeps track of pending resource requests when following events happen:
 - New ResourceRequests are added to scheduler. | 
| Class and Description | 
|---|
| CandidateNodeSet A group of nodes which can be allocated by scheduler. | 
| MultiNodePolicySpec MultiNodePolicySpec contains policyName and timeout. | 
| Class and Description | 
|---|
| CandidateNodeSet A group of nodes which can be allocated by scheduler. | 
| Class and Description | 
|---|
| AppPlacementAllocator 
 This class has the following functionality:
 1) Keeps track of pending resource requests when following events happen:
 - New ResourceRequests are added to scheduler. | 
| Class and Description | 
|---|
| AppPlacementAllocator 
 This class has the following functionality:
 1) Keeps track of pending resource requests when following events happen:
 - New ResourceRequests are added to scheduler. | 
| CandidateNodeSet A group of nodes which can be allocated by scheduler. | 
| Class and Description | 
|---|
| AppPlacementAllocator 
 This class has the following functionality:
 1) Keeps track of pending resource requests when following events happen:
 - New ResourceRequests are added to scheduler. | 
| CandidateNodeSet A group of nodes which can be allocated by scheduler. | 
| MultiNodeLookupPolicy 
 This class has the following functionality. | 
| MultiNodePolicySpec MultiNodePolicySpec contains policyName and timeout. | 
| MultiNodeSorter Common node sorting class which will do sorting based on policy spec. | 
| PendingAskUpdateResult Result of a resource-request update. | 
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