org.apache.flink.runtime.resourcemanager.slotmanager

Interface ResourceTracker

All Known Implementing Classes:

DefaultResourceTracker

public interface ResourceTracker

Tracks for each job how many resource are required/acquired.

Method Summary

Modifier and Type	Method and Description
void	clear() Removes all state from the tracker.
Collection<ResourceRequirement>	getAcquiredResources(org.apache.flink.api.common.JobID jobId) Returns a collection of ResourceRequirements that describe which resources have been assigned to a job.
Map<org.apache.flink.api.common.JobID,Collection<ResourceRequirement>>	getMissingResources() Returns a collection of ResourceRequirements that describe which resources the corresponding job is missing.
boolean	isRequirementEmpty(org.apache.flink.api.common.JobID jobId) Returns whether the ResourceRequirement of the given job is empty.
void	notifyAcquiredResource(org.apache.flink.api.common.JobID jobId, ResourceProfile resourceProfile) Notifies the tracker about the acquisition of a resource with the given resource profile, for the given job.
void	notifyLostResource(org.apache.flink.api.common.JobID jobId, ResourceProfile resourceProfile) Notifies the tracker about the loss of a resource with the given resource profile, for the given job.
void	notifyResourceRequirements(org.apache.flink.api.common.JobID jobId, Collection<ResourceRequirement> resourceRequirements) Notifies the tracker about a new or updated ResourceRequirements.

Method Detail

notifyResourceRequirements

void notifyResourceRequirements(org.apache.flink.api.common.JobID jobId,
                                Collection<ResourceRequirement> resourceRequirements)

Notifies the tracker about a new or updated ResourceRequirements.

Parameters:

jobId - the job that the resource requirements belongs to

resourceRequirements - new resource requirements

notifyAcquiredResource

void notifyAcquiredResource(org.apache.flink.api.common.JobID jobId,
                            ResourceProfile resourceProfile)

Notifies the tracker about the acquisition of a resource with the given resource profile, for the given job.

Parameters:

jobId - the job that acquired the resource

resourceProfile - profile of the resource

notifyLostResource

void notifyLostResource(org.apache.flink.api.common.JobID jobId,
                        ResourceProfile resourceProfile)

Notifies the tracker about the loss of a resource with the given resource profile, for the given job.

Parameters:

jobId - the job that lost the resource

resourceProfile - profile of the resource

getMissingResources

Map<org.apache.flink.api.common.JobID,Collection<ResourceRequirement>> getMissingResources()

Returns a collection of ResourceRequirements that describe which resources the corresponding job is missing.

Returns:

missing resources for each jobs

getAcquiredResources

Collection<ResourceRequirement> getAcquiredResources(org.apache.flink.api.common.JobID jobId)

Returns a collection of ResourceRequirements that describe which resources have been assigned to a job.

Parameters:

jobId - job ID

Returns:

required/exceeding resources for each jobs

isRequirementEmpty

boolean isRequirementEmpty(org.apache.flink.api.common.JobID jobId)

Returns whether the ResourceRequirement of the given job is empty.

Parameters:

jobId - job ID

Returns:

true if the ResourceRequirement of the given job is empty

clear

void clear()

Removes all state from the tracker.