org.apache.hadoop.hbase.snapshot

Class ExportSnapshot

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.hbase.snapshot.ExportSnapshot

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class ExportSnapshot
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

Export the specified snapshot to a given FileSystem. The .snapshot/name folder is copied to the destination cluster and then all the hfiles/hlogs 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 String	CONF_SKIP_TMP

Constructor Summary

Constructors

Constructor and Description
ExportSnapshot()

Method Summary

Methods

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

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

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.conf.Configurable

getConf, setConf

Field Detail

CONF_SKIP_TMP

protected static final String CONF_SKIP_TMP

See Also:

Constant Field Values

Constructor Detail

ExportSnapshot

public ExportSnapshot()

Method Detail

run

public int run(String[] args)
        throws IOException

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

Specified by:

run in interface org.apache.hadoop.util.Tool

Returns:

0 on success, and != 0 upon failure.

Throws:

IOException

main

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

Throws:

Exception