org.apache.flink.yarn

Class YarnApplicationMasterRunner

java.lang.Object

org.apache.flink.yarn.YarnApplicationMasterRunner

public class YarnApplicationMasterRunner
extends Object

This class is the executable entry point for the YARN application master. It starts actor system and the actors for JobManager and YarnFlinkResourceManager.

The JobManager handles Flink job execution, while the YarnFlinkResourceManager handles container allocation and failure detection.

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor and Description
YarnApplicationMasterRunner()

Method Summary

Modifier and Type	Method and Description
protected Class<? extends org.apache.flink.runtime.jobmanager.MemoryArchivist>	getArchivistClass()
protected Class<? extends org.apache.flink.runtime.jobmanager.JobManager>	getJobManagerClass()
protected Class<? extends YarnFlinkResourceManager>	getResourceManagerClass()
protected Class<? extends TaskManager>	getTaskManagerClass()
static void	main(String[] args) The entry point for the YARN application master.
protected int	run(String[] args) The instance entry point for the YARN application master.
protected int	runApplicationMaster(Configuration config) The main work method, must run as a privileged action.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.slf4j.Logger LOG

Constructor Detail

YarnApplicationMasterRunner

public YarnApplicationMasterRunner()

Method Detail

main

public static void main(String[] args)

The entry point for the YARN application master.

Parameters:

args - The command line arguments.

run

protected int run(String[] args)

The instance entry point for the YARN application master. Obtains user group information and calls the main work method runApplicationMaster(Configuration) as a privileged action.

Parameters:

args - The command line arguments.

Returns:

The process exit code.

runApplicationMaster

protected int runApplicationMaster(Configuration config)

The main work method, must run as a privileged action.

Returns:

The return code for the Java process.

getResourceManagerClass

protected Class<? extends YarnFlinkResourceManager> getResourceManagerClass()

getJobManagerClass

protected Class<? extends org.apache.flink.runtime.jobmanager.JobManager> getJobManagerClass()

getArchivistClass

protected Class<? extends org.apache.flink.runtime.jobmanager.MemoryArchivist> getArchivistClass()

getTaskManagerClass

protected Class<? extends TaskManager> getTaskManagerClass()