Package org.apache.hadoop.hdfs.server.namenode

Class FileSystemImage

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.FileSystemImage

All Implemented Interfaces:

Configurable, Tool

@Public
@Unstable
public class FileSystemImage
extends Object
implements Tool

Create FSImage from an external namespace.

Constructor Summary

Constructors

Constructor	Description
FileSystemImage()

Method Summary

Modifier and Type	Method	Description
Configuration	getConf()	Return the configuration used by this object.
static void	main(String[] argv)
protected void	printUsage()
int	run(String[] argv)	Execute the command with the given arguments.
void	setConf(Configuration conf)	Set the configuration to be used by this object.

Methods inherited from class java.lang.Object

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

Constructor Details

FileSystemImage

public FileSystemImage()

Method Details

getConf

public Configuration getConf()

Description copied from interface: Configurable

Return the configuration used by this object.

Specified by:

getConf in interface Configurable

Returns:

Configuration

setConf

public void setConf(Configuration conf)

Description copied from interface: Configurable

Set the configuration to be used by this object.

Specified by:

setConf in interface Configurable

Parameters:

conf - configuration to be used

printUsage

protected void printUsage()

run

public int run(String[] argv)
        throws Exception

Description copied from interface: Tool

Execute the command with the given arguments.

Specified by:

run in interface Tool

Parameters:

argv - command specific arguments.

Returns:

exit code.

Throws:

Exception - command exception.

main

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

Throws:

Exception