org.apache.hadoop.mapred.tools
Class MRAdmin

java.lang.Object
  extended by org.apache.hadoop.conf.Configured
      extended by org.apache.hadoop.mapred.tools.MRAdmin
All Implemented Interfaces:
org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

@InterfaceAudience.Public
@InterfaceStability.Stable
public class MRAdmin
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

Administrative access to Hadoop Map-Reduce. Currently it only provides the ability to connect to the JobTracker and 1) refresh the service-level authorization policy, 2) refresh queue acl properties.


Constructor Summary
MRAdmin()
           
MRAdmin(org.apache.hadoop.conf.Configuration conf)
           
 
Method Summary
static void main(String[] args)
           
 int run(String[] args)
           
 
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

MRAdmin

public MRAdmin()

MRAdmin

public MRAdmin(org.apache.hadoop.conf.Configuration conf)
Method Detail

run

public int run(String[] args)
        throws Exception
Specified by:
run in interface org.apache.hadoop.util.Tool
Throws:
Exception

main

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


Copyright © 2009 The Apache Software Foundation