pegasus.mapreduce.cc

Class PACC

java.lang.Object

org.apache.hadoop.conf.Configured

pegasus.mapreduce.cc.PACC

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class PACC
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

Constructor Summary

Constructors

Constructor and Description
PACC()

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args) the main entry point
int	run(java.lang.String[] args) submit the hadoop job

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

PACC

public PACC()

Method Detail

main

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

the main entry point

Parameters:

args - [0]: input file path. [1]: output file path. Tool runner arguments: -D verbose if true, it prints log verbosely (default: false). -D mapred.reduce.tasks number of reduce tasks (default: 1). -D numPartitions the number of partitions (default: the number of reduce tasks). -D localThreshold pacc run a in-memory cc algorithm if the remaining number of edges is below this value (default: 1000000).

Throws:

java.lang.Exception - by hadoop

run

public int run(java.lang.String[] args)
        throws java.lang.Exception

submit the hadoop job

Specified by:

run in interface org.apache.hadoop.util.Tool

Parameters:

args - [0]: input file path. [1]: output file path. Tool runner options: -D verbose if true, it prints log verbosely (default: false). -D mapred.reduce.tasks number of reduce tasks (default: 1). -D numPartitions the number of partitions (default: the number of reduce tasks). -D localThreshold pacc run an in-memory cc algorithm if the remaining number of edges is below this value (default: 1000000).

Throws:

java.lang.Exception - by hadoop