@InterfaceAudience.Private
| Interface | Description | 
|---|---|
| ContainerAllocator | |
| RMHeartbeatHandler | 
| Class | Description | 
|---|---|
| ContainerAllocatorEvent | |
| ContainerFailedEvent | |
| ContainerRequestEvent | |
| ResourceCalculatorUtils | |
| RMCommunicator | Registers/unregisters to RM and sends heartbeats to RM. | 
| RMContainerAllocator | Allocates the container from the ResourceManager scheduler. | 
| RMContainerRequestor | Keeps the data structures to send container requests to RM. | 
| Enum | Description | 
|---|---|
| ContainerAllocator.EventType | 
| Exception | Description | 
|---|---|
| RMContainerAllocationException | Exception to denote fatal failure in allocating containers from RM. | 
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