org.apache.hadoop.fs.s3
Class MigrationTool

java.lang.Object
  extended by org.apache.hadoop.conf.Configured
      extended by org.apache.hadoop.fs.s3.MigrationTool
All Implemented Interfaces:
Configurable, Tool

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


Copyright © 2009 The Apache Software Foundation