org.apache.hadoop.tools
Class HadoopArchives
java.lang.Object
org.apache.hadoop.tools.HadoopArchives
- All Implemented Interfaces:
- org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
public class HadoopArchives
- extends Object
- implements org.apache.hadoop.util.Tool
a archive creation utility.
This class provides methods that can be used
to create hadoop archives. For understanding of
Hadoop archives look at HarFileSystem
.
Constructor Summary |
HadoopArchives(org.apache.hadoop.conf.Configuration conf)
|
Method Summary |
org.apache.hadoop.conf.Configuration |
getConf()
|
static void |
main(String[] args)
the main functions |
int |
run(String[] args)
the main driver for creating the archives
it takes at least three command line parameters. |
void |
setConf(org.apache.hadoop.conf.Configuration conf)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
VERSION
public static final int VERSION
- See Also:
- Constant Field Values
HadoopArchives
public HadoopArchives(org.apache.hadoop.conf.Configuration conf)
setConf
public void setConf(org.apache.hadoop.conf.Configuration conf)
- Specified by:
setConf
in interface org.apache.hadoop.conf.Configurable
getConf
public org.apache.hadoop.conf.Configuration getConf()
- Specified by:
getConf
in interface org.apache.hadoop.conf.Configurable
run
public int run(String[] args)
throws Exception
- the main driver for creating the archives
it takes at least three command line parameters. The parent path,
The src and the dest. It does an lsr on the source paths.
The mapper created archuves and the reducer creates
the archive index.
- Specified by:
run
in interface org.apache.hadoop.util.Tool
- Throws:
Exception
main
public static void main(String[] args)
- the main functions
Copyright © 2009 The Apache Software Foundation