| Package | Description |
|---|---|
| org.apache.hadoop.yarn.server.resourcemanager | |
| org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint |
Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement
contains classes related to scheduling containers using placement
constraints.
|
| Class and Description |
|---|
| AllocationTagsManager
In-memory mapping between applications/container-tags and nodes/racks.
|
| PlacementConstraintManager
Interface for storing and retrieving placement constraints (see
PlacementConstraint). |
| PlacementConstraintManagerService
The service that implements the
PlacementConstraintManager interface. |
| Class and Description |
|---|
| AllocationTags
Allocation tags under same namespace.
|
| AllocationTagsManager
In-memory mapping between applications/container-tags and nodes/racks.
|
| AllocationTagsManager.TypeToCountedTags
Generic store mapping type T to counted tags.
|
| Evaluable
A class implements Evaluable interface represents the internal state
of the class can be changed against a given target.
|
| InvalidAllocationTagsQueryException
Exception when invalid parameter specified to do placement tags related
queries.
|
| PlacementConstraintManager
Interface for storing and retrieving placement constraints (see
PlacementConstraint). |
| PlacementConstraintManagerService
The service that implements the
PlacementConstraintManager interface. |
| TargetApplications
This class is used by
TargetApplicationsNamespace.evaluate(TargetApplications) to evaluate
a namespace. |
| TargetApplicationsNamespace
Class to describe the namespace of allocation tags, used by
AllocationTags. |
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