Package org.apache.hadoop.hbase.master.cleaner

Class SnapshotCleanerChore

java.lang.Object

org.apache.hadoop.hbase.ScheduledChore

org.apache.hadoop.hbase.master.cleaner.SnapshotCleanerChore

All Implemented Interfaces:

Runnable

@Private
public class SnapshotCleanerChore
extends ScheduledChore

This chore, every time it runs, will try to delete snapshots that are expired based on TTL in seconds configured for each Snapshot

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	DELETE_SNAPSHOT_EVENT
private static final org.slf4j.Logger	LOG
private static final String	SNAPSHOT_CLEANER_CHORE_NAME
private static final int	SNAPSHOT_CLEANER_DEFAULT_INTERVAL
private static final String	SNAPSHOT_CLEANER_INTERVAL
private final SnapshotManager	snapshotManager

Constructor Summary

Constructors

Constructor	Description
SnapshotCleanerChore(Stoppable stopper, org.apache.hadoop.conf.Configuration configuration, SnapshotManager snapshotManager)	Construct Snapshot Cleaner Chore with parameterized constructor

Method Summary

Modifier and Type	Method	Description
protected void	chore()	The task to execute on each scheduled execution of the Chore
private void	deleteExpiredSnapshot(org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription snapshotDescription)

Methods inherited from class org.apache.hadoop.hbase.ScheduledChore

cancel, cancel, choreForTesting, cleanup, getInitialDelay, getName, getPeriod, getStopper, getTimeUnit, initialChore, isInitialChoreComplete, isScheduled, run, shutdown, shutdown, toString, triggerNow

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

SNAPSHOT_CLEANER_CHORE_NAME

private static final String SNAPSHOT_CLEANER_CHORE_NAME

See Also:

• Constant Field Values

SNAPSHOT_CLEANER_INTERVAL

private static final String SNAPSHOT_CLEANER_INTERVAL

See Also:

• Constant Field Values

SNAPSHOT_CLEANER_DEFAULT_INTERVAL

private static final int SNAPSHOT_CLEANER_DEFAULT_INTERVAL

See Also:

• Constant Field Values

DELETE_SNAPSHOT_EVENT

private static final String DELETE_SNAPSHOT_EVENT

See Also:

• Constant Field Values

snapshotManager

private final SnapshotManager snapshotManager

Constructor Details

SnapshotCleanerChore

public SnapshotCleanerChore(Stoppable stopper,
 org.apache.hadoop.conf.Configuration configuration,
 SnapshotManager snapshotManager)

Construct Snapshot Cleaner Chore with parameterized constructor

Parameters:

stopper - When Stoppable.isStopped() is true, this chore will cancel and cleanup

configuration - The configuration to set

snapshotManager - SnapshotManager instance to manage lifecycle of snapshot

Method Details

chore

protected void chore()

Description copied from class: ScheduledChore

The task to execute on each scheduled execution of the Chore

Specified by:

chore in class ScheduledChore

deleteExpiredSnapshot

private void deleteExpiredSnapshot(org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription snapshotDescription)