org.apache.hadoop.hbase.snapshot

Class ExportSnapshot

java.lang.Object

Configured

org.apache.hadoop.hbase.snapshot.ExportSnapshot

Direct Known Subclasses:

BackupSnapshotCopy

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public class ExportSnapshot
extends Configured

Export the specified snapshot to a given FileSystem. The .snapshot/name folder is copied to the destination cluster and then all the hfiles/wals are copied using a Map-Reduce Job in the .archive/ location. When everything is done, the second cluster can restore the snapshot.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExportSnapshot.Counter

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.String	CONF_SKIP_TMP
static java.lang.String	NAME

Constructor Summary

Constructors

Constructor and Description
ExportSnapshot()

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args)
int	run(java.lang.String[] args) Execute the export snapshot by copying the snapshot metadata, hfiles and wals.

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

CONF_SKIP_TMP

protected static final java.lang.String CONF_SKIP_TMP

See Also:

Constant Field Values

Constructor Detail

ExportSnapshot

public ExportSnapshot()

Method Detail

run

public int run(java.lang.String[] args)
        throws java.io.IOException

Execute the export snapshot by copying the snapshot metadata, hfiles and wals.

Returns:

0 on success, and != 0 upon failure.

Throws:

java.io.IOException

main

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

Throws:

java.lang.Exception