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From Juan Moreno <jwellington.mor...@gmail.com>
Subject Re: Chain Jobs and Accumulo.
Date Mon, 16 Jul 2012 21:49:00 GMT
The hadoop API is very confusing in that regard. Currently Accumulo runs
atop 0.20 and in that version , mapred is the new one and mapreduce is the
old one. InputFormat currently makes use of mapreduce.
On Jul 16, 2012 5:40 PM, "Billie J Rinaldi" <billie.j.rinaldi@ugov.gov>
wrote:

> On Monday, July 16, 2012 5:27:09 PM, "Ed Kohlwey" <ekohlwey@gmail.com>
> wrote:
> > I would suggest spending the effort porting chainmapper to the new API
> > (mapreduce) since the old API will eventually be removed.
>
> I assumed that would be true since the old API was deprecated, and that is
> why we no longer support it.  However, the old API has been undeprecated
> since 0.20.205.0 and 1.0.0, which seems to indicate it's not going away.
>  Does anyone know what the plan for it is?
>
> Billie
>
>
> > Sent from my smartphone. Please excuse any typos or shorthand.
> > On Jul 16, 2012 5:22 PM, "Billie J Rinaldi" <
> > billie.j.rinaldi@ugov.gov > wrote:
> >
> >
> > On Monday, July 16, 2012 5:02:52 PM, "Juan Moreno" <
> > jwellington.moreno@gmail.com > wrote:
> > > Hi there, I have a use case where I need to use a Chain Mapper
> > > and/or
> > > Reducer. The problem is that
> > > the AccumuloInputFormat extends hadoop.mapreduce.InputFormat rather
> > > than implementing hadoop.mapred.InputFormat
> > >
> > >
> > > Trying to make use of org.apache.hadoop.mapred.lib.ChainMapper
> > > does not work because it requires the use of the mapred package. Is
> > > there a version of the AccumuloInputFormat which uses
> > > the hadoop.mapred package instead? Can InputFormatBase be rewritten
> > > with the newer API?
> > >
> > >
> > > Thanks!
> > > Juan
> >
> > I opened ACCUMULO-695 to add support for the old mapred API.
> >
> > Billie
>

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