org.apache.hadoop.hive.ql.reexec

Class ReExecuteLostAMQueryPlugin

java.lang.Object

org.apache.hadoop.hive.ql.reexec.ReExecuteLostAMQueryPlugin

All Implemented Interfaces:

IReExecutionPlugin

public class ReExecuteLostAMQueryPlugin
extends Object
implements IReExecutionPlugin

Re-Executes a query if tez AM failed because of node/container failure.

Constructor Summary

Constructors

Constructor and Description
ReExecuteLostAMQueryPlugin()

Method Summary

Modifier and Type	Method and Description
void	initialize(Driver driver) Called when the Driver is being initialized The plugin may add hooks/etc to tap into the system.
boolean	shouldReExecute(int executionNum) The query have failed, does this plugin advises to re-execute it again?
boolean	shouldReExecuteAfterCompile(int executionNum, PlanMapper oldPlanMapper, PlanMapper newPlanMapper) The query has failed; and have been recompiled - does this plugin advises to re-execute it again?

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.ql.reexec.IReExecutionPlugin

afterCompile, afterExecute, beforeCompile, beforeExecute, prepareToReCompile, prepareToReExecute, shouldReCompile

Constructor Detail

ReExecuteLostAMQueryPlugin

public ReExecuteLostAMQueryPlugin()

Method Detail

initialize

public void initialize(Driver driver)

Description copied from interface: IReExecutionPlugin

Called when the Driver is being initialized The plugin may add hooks/etc to tap into the system.

Specified by:

initialize in interface IReExecutionPlugin

shouldReExecute

public boolean shouldReExecute(int executionNum)

Description copied from interface: IReExecutionPlugin

The query have failed, does this plugin advises to re-execute it again?

Specified by:

shouldReExecute in interface IReExecutionPlugin

shouldReExecuteAfterCompile

public boolean shouldReExecuteAfterCompile(int executionNum,
                                           PlanMapper oldPlanMapper,
                                           PlanMapper newPlanMapper)

Description copied from interface: IReExecutionPlugin

The query has failed; and have been recompiled - does this plugin advises to re-execute it again?

Specified by:

shouldReExecuteAfterCompile in interface IReExecutionPlugin