org.apache.hadoop.hive.metastore.txn.service

Class AcidTxnCleanerService

java.lang.Object

org.apache.hadoop.hive.metastore.txn.service.AcidTxnCleanerService

All Implemented Interfaces:

Runnable, org.apache.hadoop.conf.Configurable, MetastoreTaskThread

public class AcidTxnCleanerService
extends Object
implements MetastoreTaskThread

Periodically cleans out empty aborted and committed txns from the TXNS table. Runs inside Hive Metastore Service.

Constructor Summary

Constructors

Constructor and Description
AcidTxnCleanerService()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.conf.Configuration	getConf()
void	run()
long	runFrequency(TimeUnit unit)
void	setConf(org.apache.hadoop.conf.Configuration configuration)

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.metastore.MetastoreTaskThread

initialDelay

Constructor Detail

AcidTxnCleanerService

public AcidTxnCleanerService()

Method Detail

setConf

public void setConf(org.apache.hadoop.conf.Configuration configuration)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

runFrequency

public long runFrequency(TimeUnit unit)

Specified by:

runFrequency in interface MetastoreTaskThread

run

public void run()

Specified by:

run in interface Runnable