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From David Starina <david.star...@gmail.com>
Subject Re: Removing MAHOUT_LOCAL option
Date Mon, 21 Mar 2016 07:24:07 GMT
Anyhow, I'm +1 for removing MAHOUT_LOCAL, but I believe the deprecated
MapReduce-based code still makes sense if it is running well on Ignite.

On Mon, Mar 21, 2016 at 8:20 AM, David Starina <david.starina@gmail.com>
wrote:

> Has anyone tried to run the deprecated MapReduce code on Ignite? Is the
> performance improvement good enough to reconsider leaving those algorithms
> in Mahout?
>
> On Mon, Mar 21, 2016 at 12:45 AM, Andrew Musselman <
> andrew.musselman@gmail.com> wrote:
>
>> Yes I agree; will leave the question open a couple days.
>>
>> On Sunday, March 20, 2016, Pat Ferrel <pat@occamsmachete.com> wrote:
>>
>> > Maybe a better user question is: How many people are still using the
>> > deprecated Hadoop code?
>> >
>> > If the number is small +1 for removal.
>> >
>> > On Mar 20, 2016, at 11:04 AM, Andrew Musselman <
>> andrew.musselman@gmail.com
>> > <javascript:;>> wrote:
>> >
>> > To clarify, the MAHOUT_LOCAL option only works for legacy Hadoop
>> > MapReduce-based jobs which officially became deprecated in 0.10.0.
>> >
>> > On Sun, Mar 20, 2016 at 10:25 AM, Andrew Musselman <
>> > andrew.musselman@gmail.com <javascript:;>> wrote:
>> >
>> > > Yes as I understand it.
>> > >
>> > >
>> > > On Sunday, March 20, 2016, Pat Ferrel <pat@occamsmachete.com
>> > <javascript:;>> wrote:
>> > >
>> > >> Are we just talking about Hadoop Mapreduce? I thought is was ignored
>> > when
>> > >> using Spark.
>> > >>
>> > >> On Mar 20, 2016, at 8:20 AM, alok tanna <tannaalok@gmail.com
>> > <javascript:;>> wrote:
>> > >>
>> > >> -1 MAHOUT_LOCAL  is very useful for quick POC .
>> > >>
>> > >> Thanks,
>> > >> Alok Tanna
>> > >> Sent from my iPhone
>> > >>
>> > >>> On Mar 20, 2016, at 5:01 AM, Mihai Dascalu <mihai.dascalu@cs.pub.ro
>> > <javascript:;>>
>> > >> wrote:
>> > >>>
>> > >>> -1 I still use it for fast deployment and it’s really helpful
for
>> small
>> > >> local processing
>> > >>>
>> > >>> Have a great weekend!
>> > >>> Mihai
>> > >>>
>> > >>>> On 20 Mar 2016, at 06:13, Suneel Marthi <suneel.marthi@gmail.com
>> > <javascript:;>>
>> > >> wrote:
>> > >>>>
>> > >>>> +1 to remove this
>> > >>>>
>> > >>>> Sent from my iPhone
>> > >>>>
>> > >>>>> On Mar 20, 2016, at 12:01 AM, Andrew Musselman <
>> > >> andrew.musselman@gmail.com <javascript:;>> wrote:
>> > >>>>>
>> > >>>>> We're discussing removing the MAHOUT_LOCAL option in order
to trim
>> > >> artifact
>> > >>>>> sizes.
>> > >>>>>
>> > >>>>> If you think keeping the option to use MAHOUT_LOCAL for
testing
>> with
>> > >> the
>> > >>>>> single-node mode of Hadoop is important please let us know.
It
>> can be
>> > >> handy
>> > >>>>> for trying things out but it would be nice to ditch the
effort
>> > >> required to
>> > >>>>> maintain it.
>> > >>>>>
>> > >>>>> See https://issues.apache.org/jira/browse/MAHOUT-1705 for
more
>> > >> context.
>> > >>>>>
>> > >>>>> Thanks!
>> > >>>
>> > >>
>> > >>
>> >
>> >
>>
>
>

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