org.apache.hadoop.fs.s3
Class MigrationTool

java.lang.Object
  org.apache.hadoop.conf.Configured
      org.apache.hadoop.fs.s3.MigrationTool

All Implemented Interfaces:

Configurable, Tool

@InterfaceAudience.Public
@InterfaceStability.Unstable
public class MigrationTool
extends Configured
implements Tool

This class is a tool for migrating data from an older to a newer version of an S3 filesystem.

All files in the filesystem are migrated by re-writing the block metadata - no datafiles are touched.

Constructor Summary

MigrationTool()

Method Summary

void	initialize(URI uri)
static void	main(String[] args)
int	run(String[] args) Execute the command with the given arguments.

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

Constructor Detail

MigrationTool

public MigrationTool()

Method Detail

main

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

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Description copied from interface: Tool

Execute the command with the given arguments.

Specified by:

run in interface Tool

Parameters:

args - command specific arguments.

Returns:

exit code.

Throws:

Exception

initialize

public void initialize(URI uri)
                throws IOException

Throws:

IOException