org.apache.hadoop.fs.s3

类 MigrationTool

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.fs.s3.MigrationTool

所有已实现的接口:

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.

构造器概要

构造器

构造器和说明
MigrationTool()

方法概要

方法

限定符和类型	方法和说明
void	initialize(URI uri)
static void	main(String[] args)
int	run(String[] args) Execute the command with the given arguments.

从类继承的方法 org.apache.hadoop.conf.Configured

getConf, setConf

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.hadoop.conf.Configurable

getConf, setConf

构造器详细资料

MigrationTool

public MigrationTool()

方法详细资料

main

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

抛出:

Exception

run

public int run(String[] args)
        throws Exception

从接口复制的说明: Tool

Execute the command with the given arguments.

指定者:

run 在接口中 Tool

参数:

args - command specific arguments.

返回:

exit code.

抛出:

Exception

initialize

public void initialize(URI uri)
                throws IOException

抛出:

IOException