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Date: Mon, 29 Oct 2012 23:49:04 -0400
From: Nan Zhu <zhunansjtu@gmail.com>
To: user@hadoop.apache.org
Message-ID: <53A5F06D3333408BBB3A650928DDD905@gmail.com>
Subject: Access Hadoop Counters
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Hi, all 

I noticed that in FileInputFormat and FileOutputFormat classes, there are counters(Counter's name?) for input and output data size, 

my question is that given a JobInProgress object, e.g. jip, after I get the corresponding object by 

FileInputFormat fif = (FileInputFormat) jip.getConf().getInputFormat();
FileOutputFormat fof = (FileOutputFormat) jip.getConf().getOutputputFormat();

How can I access the values of the counters?

Best, 

-- 
Nan Zhu
School of Computer Science,
McGill University



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                <div>
                    Hi, all
                </div><div><br></div><div>I noticed that in =46ileInput=46=
ormat and =46ileOutput=46ormat classes, there are counters(Counter's name=
=3F) for input and output data size,&nbsp;</div><div><br></div><div>my qu=
estion is that given a JobInProgress object, e.g. jip, after I get the co=
rresponding object by&nbsp;</div><div><br></div><div>=46ileInput=46ormat =
fif =3D (=46ileInput=46ormat) jip.getConf().getInput=46ormat();</div><div=
>=46ileOutput=46ormat fof =3D (=46ileOutput=46ormat) jip.getConf().getOut=
putput=46ormat();</div><div><br></div><div>How can I access the values of=
 the counters=3F</div><div><br></div><div>Best,</div>
                <div><div><br></div><div>--&nbsp;</div><div>Nan Zhu</div>=
<div>School of Computer Science,</div><div>McGill University</div><div><b=
r></div><div><br></div></div>
            
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