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From Ted Dunning <tdunn...@maprtech.com>
Subject Re: help for using mapreduce to run different code?
Date Wed, 29 Dec 2010 06:47:03 GMT
Also take a look at the optimizations as done in this paper:
http://www.deepdyve.com/lp/association-for-computing-machinery/flumejava-easy-efficient-data-parallel-pipelines-wwPgFt2hWB

On Tue, Dec 28, 2010 at 9:13 PM, Harsh J <qwertymaniac@gmail.com> wrote:

> Have a look at MultipleInputs
>
> On Wed, Dec 29, 2010 at 4:39 AM, Jander g <jandergj@gmail.com> wrote:
> > Hi James,
> >
> > Thanks for your attention.
> >
> > Suppose there are only 2 map running in Hadoop cluster, I want to using
> one
> > map to sort and another to wordcount in the same time in the same Hadoop
> > cluster.
> >
> > On Wed, Dec 29, 2010 at 6:58 AM, James Seigel <james@tynt.com> wrote:
> >
> >> Not sure what you mean.
> >>
> >> Can you write custom code for your map functions?: yes
> >>
> >> Cheers
> >> James
> >>
> >> Sent from my mobile. Please excuse the typos.
> >>
> >> On 2010-12-28, at 3:54 PM, Jander g <jandergj@gmail.com> wrote:
> >>
> >> > Hi, all
> >> >
> >> > Whether Hadoop supports the map function running different code? If
> yes,
> >> how
> >> > to realize this?
> >> >
> >> > Thanks in advance!
> >> >
> >> > --
> >> > Regards,
> >> > Jander
> >>
> >
> >
> >
> > --
> > Thanks,
> > Jander
> >
>
>
>
> --
> Harsh J
> www.harshj.com
>

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