Package org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor

Interface ContainersMonitor

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable, org.apache.hadoop.yarn.event.EventHandler<ContainersMonitorEvent>, ResourceView, org.apache.hadoop.service.Service

All Known Implementing Classes:

ContainersMonitorImpl

public interface ContainersMonitor
extends org.apache.hadoop.service.Service, org.apache.hadoop.yarn.event.EventHandler<ContainersMonitorEvent>, ResourceView

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Method Summary

Modifier and Type	Method	Description
static void	decreaseResourceUtilization(ContainersMonitor containersMonitor, org.apache.hadoop.yarn.api.records.ResourceUtilization resourceUtil, org.apache.hadoop.yarn.api.records.Resource resource)	Utility method to subtract a Resource from the ResourceUtilization.
org.apache.hadoop.yarn.api.records.ResourceUtilization	getContainersUtilization()
float	getVmemRatio()
static void	increaseResourceUtilization(ContainersMonitor containersMonitor, org.apache.hadoop.yarn.api.records.ResourceUtilization resourceUtil, org.apache.hadoop.yarn.api.records.Resource resource)	Utility method to add a Resource to the ResourceUtilization.
void	setAllocatedResourcesForContainers(org.apache.hadoop.yarn.api.records.Resource resource)	Set the allocated resources for containers.
void	subtractNodeResourcesFromResourceUtilization(org.apache.hadoop.yarn.api.records.ResourceUtilization resourceUtil)

Methods inherited from interface org.apache.hadoop.yarn.event.EventHandler

handle

Methods inherited from interface org.apache.hadoop.yarn.server.nodemanager.ResourceView

getPmemAllocatedForContainers, getVCoresAllocatedForContainers, getVmemAllocatedForContainers, isPmemCheckEnabled, isVmemCheckEnabled

Methods inherited from interface org.apache.hadoop.service.Service

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, registerServiceListener, start, stop, unregisterServiceListener, waitForServiceToStop

Method Detail

getContainersUtilization

org.apache.hadoop.yarn.api.records.ResourceUtilization getContainersUtilization()

getVmemRatio

float getVmemRatio()

subtractNodeResourcesFromResourceUtilization

void subtractNodeResourcesFromResourceUtilization(org.apache.hadoop.yarn.api.records.ResourceUtilization resourceUtil)

increaseResourceUtilization

static void increaseResourceUtilization(ContainersMonitor containersMonitor,
                                        org.apache.hadoop.yarn.api.records.ResourceUtilization resourceUtil,
                                        org.apache.hadoop.yarn.api.records.Resource resource)

Utility method to add a Resource to the ResourceUtilization.

Parameters:

containersMonitor - Containers Monitor.

resourceUtil - Resource Utilization.

resource - Resource.

decreaseResourceUtilization

static void decreaseResourceUtilization(ContainersMonitor containersMonitor,
                                        org.apache.hadoop.yarn.api.records.ResourceUtilization resourceUtil,
                                        org.apache.hadoop.yarn.api.records.Resource resource)

Utility method to subtract a Resource from the ResourceUtilization.

Parameters:

containersMonitor - Containers Monitor.

resourceUtil - Resource Utilization.

resource - Resource.

setAllocatedResourcesForContainers

void setAllocatedResourcesForContainers(org.apache.hadoop.yarn.api.records.Resource resource)

Set the allocated resources for containers.

Parameters:

resource - Resources allocated for the containers.