ExportSnapshot (Apache HBase 1.4.11 API)

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

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/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
`static String`	`CONF_DEST_PREFIX` Configuration prefix for overrides for the destination filesystem
`protected static String`	`CONF_SKIP_TMP`
`static String`	`CONF_SOURCE_PREFIX` Configuration prefix for overrides for the source filesystem
`static String`	`NAME`

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 wals.
- 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
  - NAME
```
public static final String NAME
```
    See Also:
    Constant Field Values
  - CONF_SOURCE_PREFIX
```
public static final String CONF_SOURCE_PREFIX
```
    Configuration prefix for overrides for the source filesystem
    
    See Also:
    Constant Field Values
  - CONF_DEST_PREFIX
```
public static final String CONF_DEST_PREFIX
```
    Configuration prefix for overrides for the destination filesystem
    
    See Also:
    Constant Field Values
  - 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 wals.
    
    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

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