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From: Harsh J <harsh@cloudera.com>
Date: Wed, 26 Sep 2012 23:02:11 +0530
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 <CAOcnVr3zkPBE4qmt_Fi3NQitE_+yVGJoarhdHTw6KiYb8GYn-Q@mail.gmail.com>
Subject: Re: Amateur doubt about Terasort
To: "<user@hadoop.apache.org>" <user@hadoop.apache.org>
Cc: rajesh.pandey@students.iiit.ac.in, arun.khanna@students.iiit.ac.in,
	hari.subrahmanyam@students.iiit.ac.in, nitinik@gmail.com
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Please do not mail general@ with user/dev questions. Use the user@
alias for it in future.

The IdentityMapper and IdentityReducer is what TeraSort uses ("it is
not needed/hadoop does sort on default" -> uses default
mapper/reducer).

On Wed, Sep 26, 2012 at 10:08 PM, Nitin Khandelwal <nitinik@gmail.com> wrote:
> HI,
>
> I was trying to understand TeraSort code, but didn't find any
> Mapper/Reducer. On googling came to know that its not needed (Hadoop does
> sort on default). But I am not very clear about how it works. Can anyone
> please brief me about how terasort works or any link that has document on
> the same.
>
> Thanks in advance,
> Nitin


-- 
Harsh J