hadoop-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Harsh J <ha...@cloudera.com>
Subject Re: Amateur doubt about Terasort
Date Wed, 26 Sep 2012 17:32:11 GMT
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

Mime
View raw message