org.apache.hadoop.yarn.server.nodemanager

Class NodeManager

java.lang.Object

org.apache.hadoop.yarn.service.AbstractService

org.apache.hadoop.yarn.service.CompositeService

org.apache.hadoop.yarn.server.nodemanager.NodeManager

All Implemented Interfaces:

org.apache.hadoop.yarn.event.EventHandler<NodeManagerEvent>, org.apache.hadoop.yarn.service.Service

public class NodeManager
extends org.apache.hadoop.yarn.service.CompositeService
implements org.apache.hadoop.yarn.event.EventHandler<NodeManagerEvent>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NodeManager.NMContext

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.service.CompositeService

org.apache.hadoop.yarn.service.CompositeService.CompositeServiceShutdownHook

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

org.apache.hadoop.yarn.service.Service.STATE

Field Summary

Fields

Modifier and Type	Field and Description
protected NodeManagerMetrics	metrics
static int	SHUTDOWN_HOOK_PRIORITY Priority of the NodeManager shutdown hook.

Constructor Summary

Constructors

Constructor and Description
NodeManager()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	cleanupContainers()
protected ContainerManagerImpl	createContainerManager(Context context, ContainerExecutor exec, DeletionService del, NodeStatusUpdater nodeStatusUpdater, org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager, LocalDirsHandlerService dirsHandler)
protected DeletionService	createDeletionService(ContainerExecutor exec)
protected NodeResourceMonitor	createNodeResourceMonitor()
protected NodeStatusUpdater	createNodeStatusUpdater(Context context, org.apache.hadoop.yarn.event.Dispatcher dispatcher, NodeHealthCheckerService healthChecker)
protected WebServer	createWebServer(Context nmContext, ResourceView resourceView, org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager, LocalDirsHandlerService dirsHandler)
protected void	doSecureLogin()
NodeHealthCheckerService	getNodeHealthChecker()
void	handle(NodeManagerEvent event)
void	init(org.apache.hadoop.conf.Configuration conf)
static void	main(String[] args)
void	start()
void	stop()

Methods inherited from class org.apache.hadoop.yarn.service.CompositeService

addService, getServices, removeService

Methods inherited from class org.apache.hadoop.yarn.service.AbstractService

getConfig, getName, getServiceState, getStartTime, register, unregister

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SHUTDOWN_HOOK_PRIORITY

public static final int SHUTDOWN_HOOK_PRIORITY

Priority of the NodeManager shutdown hook.

See Also:

Constant Field Values

metrics

protected final NodeManagerMetrics metrics

Constructor Detail

NodeManager

public NodeManager()

Method Detail

createNodeStatusUpdater

protected NodeStatusUpdater createNodeStatusUpdater(Context context,
                                        org.apache.hadoop.yarn.event.Dispatcher dispatcher,
                                        NodeHealthCheckerService healthChecker)

createNodeResourceMonitor

protected NodeResourceMonitor createNodeResourceMonitor()

createContainerManager

protected ContainerManagerImpl createContainerManager(Context context,
                                          ContainerExecutor exec,
                                          DeletionService del,
                                          NodeStatusUpdater nodeStatusUpdater,
                                          org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager,
                                          LocalDirsHandlerService dirsHandler)

createWebServer

protected WebServer createWebServer(Context nmContext,
                        ResourceView resourceView,
                        org.apache.hadoop.yarn.server.security.ApplicationACLsManager aclsManager,
                        LocalDirsHandlerService dirsHandler)

createDeletionService

protected DeletionService createDeletionService(ContainerExecutor exec)

doSecureLogin

protected void doSecureLogin()
                      throws IOException

Throws:

IOException

init

public void init(org.apache.hadoop.conf.Configuration conf)

Specified by:

init in interface org.apache.hadoop.yarn.service.Service

Overrides:

init in class org.apache.hadoop.yarn.service.CompositeService

start

public void start()

Specified by:

start in interface org.apache.hadoop.yarn.service.Service

Overrides:

start in class org.apache.hadoop.yarn.service.CompositeService

stop

public void stop()

Specified by:

stop in interface org.apache.hadoop.yarn.service.Service

Overrides:

stop in class org.apache.hadoop.yarn.service.CompositeService

cleanupContainers

protected void cleanupContainers()

getNodeHealthChecker

public NodeHealthCheckerService getNodeHealthChecker()

Returns:

the node health checker

handle

public void handle(NodeManagerEvent event)

Specified by:

handle in interface org.apache.hadoop.yarn.event.EventHandler<NodeManagerEvent>

main

public static void main(String[] args)