org.apache.flink.runtime.taskexecutor

Class TaskManagerRunner

java.lang.Object

org.apache.flink.runtime.taskexecutor.TaskManagerRunner

All Implemented Interfaces:

AutoCloseable, FatalErrorHandler, org.apache.flink.util.AutoCloseableAsync

public class TaskManagerRunner
extends Object
implements FatalErrorHandler, org.apache.flink.util.AutoCloseableAsync

This class is the executable entry point for the task manager in yarn or standalone mode. It constructs the related components (network, I/O manager, memory manager, RPC service, HA service) and starts them.

Field Summary

Fields

Modifier and Type	Field and Description
static int	RUNTIME_FAILURE_RETURN_CODE

Constructor Summary

Constructors

Constructor and Description
TaskManagerRunner(org.apache.flink.configuration.Configuration configuration, ResourceID resourceId)

Method Summary

Modifier and Type	Method and Description
CompletableFuture<Void>	closeAsync()
static RpcService	createRpcService(org.apache.flink.configuration.Configuration configuration, HighAvailabilityServices haServices) Create a RPC service for the task manager.
CompletableFuture<Void>	getTerminationFuture()
static org.apache.flink.configuration.Configuration	loadConfiguration(String[] args)
static void	main(String[] args)
void	onFatalError(Throwable exception) Being called when a fatal error occurs.
static void	runTaskManager(org.apache.flink.configuration.Configuration configuration, ResourceID resourceId)
static void	runTaskManagerSecurely(String[] args, ResourceID resourceID)
void	start()
static TaskExecutor	startTaskManager(org.apache.flink.configuration.Configuration configuration, ResourceID resourceID, RpcService rpcService, HighAvailabilityServices highAvailabilityServices, HeartbeatServices heartbeatServices, MetricRegistry metricRegistry, BlobCacheService blobCacheService, boolean localCommunicationOnly, FatalErrorHandler fatalErrorHandler)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.util.AutoCloseableAsync

close

Field Detail

RUNTIME_FAILURE_RETURN_CODE

public static final int RUNTIME_FAILURE_RETURN_CODE

See Also:

Constant Field Values

Constructor Detail

TaskManagerRunner

public TaskManagerRunner(org.apache.flink.configuration.Configuration configuration,
                         ResourceID resourceId)
                  throws Exception

Throws:

Exception

Method Detail

start

public void start()
           throws Exception

Throws:

Exception

closeAsync

public CompletableFuture<Void> closeAsync()

Specified by:

closeAsync in interface org.apache.flink.util.AutoCloseableAsync

getTerminationFuture

public CompletableFuture<Void> getTerminationFuture()

onFatalError

public void onFatalError(Throwable exception)

Description copied from interface: FatalErrorHandler

Being called when a fatal error occurs.

IMPORTANT: This call should never be blocking since it might be called from within the main thread of an RpcEndpoint.

Specified by:

onFatalError in interface FatalErrorHandler

Parameters:

exception - cause

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

loadConfiguration

public static org.apache.flink.configuration.Configuration loadConfiguration(String[] args)
                                                                      throws FlinkParseException

Throws:

FlinkParseException

runTaskManager

public static void runTaskManager(org.apache.flink.configuration.Configuration configuration,
                                  ResourceID resourceId)
                           throws Exception

Throws:

Exception

runTaskManagerSecurely

public static void runTaskManagerSecurely(String[] args,
                                          ResourceID resourceID)

startTaskManager

public static TaskExecutor startTaskManager(org.apache.flink.configuration.Configuration configuration,
                                            ResourceID resourceID,
                                            RpcService rpcService,
                                            HighAvailabilityServices highAvailabilityServices,
                                            HeartbeatServices heartbeatServices,
                                            MetricRegistry metricRegistry,
                                            BlobCacheService blobCacheService,
                                            boolean localCommunicationOnly,
                                            FatalErrorHandler fatalErrorHandler)
                                     throws Exception

Throws:

Exception

createRpcService

public static RpcService createRpcService(org.apache.flink.configuration.Configuration configuration,
                                          HighAvailabilityServices haServices)
                                   throws Exception

Create a RPC service for the task manager.

Parameters:

configuration - The configuration for the TaskManager.

haServices - to use for the task manager hostname retrieval

Throws:

Exception