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HBase >> mail # user >> Re: Basic Question on Partitioner,Combiner and Co-Processor


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Re: Basic Question on Partitioner,Combiner and Co-Processor
Check out this link too..

http://sharepointorange.blogspot.in/2012/07/how-to-working-with-hbase-coprocessor.html
On Tue, Jul 24, 2012 at 12:09 AM, syed kather <[EMAIL PROTECTED]> wrote:

> In my use case i have Mapper function which emit <userid,seqid>. Number of
> Map will be around 10 billion X 2000 user . which is best partition method
> which i can follow for my use case ?. Sorry i am first time writing my
> partition . So i have this doubt .
>
> Thanks in advance
>
>         S SYED ABDUL KATHER
>
>
>
> On Tue, Jul 24, 2012 at 12:03 AM, syed kather <[EMAIL PROTECTED]> wrote:
>
> > Thanks Shashwat Shriparv..
> > Is there any interface or abstract class partitioner avaliable for hbase
> > specifically ..
> >             Thanks and Regards,
> >         S SYED ABDUL KATHER
> >
> >
> >
> > On Mon, Jul 23, 2012 at 11:54 PM, shashwat shriparv <
> > [EMAIL PROTECTED]> wrote:
> >
> >> Check out this link may be will help you..
> >>
> >> http://developer.yahoo.com/hadoop/tutorial/module5.html#partitioning
> >>
> >>
> http://www.ashishpaliwal.com/blog/2012/05/hadoop-recipe-implementing-custom-partitioner/
> >>
> >>
> >> Regards
> >>
> >>
> >> ∞
> >> Shashwat Shriparv
> >>
> >>
> >>
> >> On Mon, Jul 23, 2012 at 11:22 PM, syed kather <[EMAIL PROTECTED]>
> wrote:
> >>
> >> > Hi ,
> >> >
> >> >     I am very much interested to know how to implement the custom
> >> > Partitioner  . Is there any blog let me know . As i knew the number of
> >> > reducer is depends upon the partitioner . Correct me if i am wrong
> >> >
> >> > How to implement Co-Processor(Min,Max) . Is there any tutorial
> >> available on
> >> > implementing Co-Processor . This is the first time i am working with
> >> > Co-Processor.
> >> >
> >> > How to use combiner in HBase ( Trying to write the Map-Reduce Program
> >> for
> >> > finding the Max Value from the HBase Columns )?
> >> >
> >> > Thanks in advance ..
> >> >             Thanks and Regards,
> >> >         S SYED ABDUL KATHER
> >> >
> >>
> >>
> >>
> >> --
> >>
> >>
> >> ∞
> >> Shashwat Shriparv
> >>
> >
> >
>

--

Shashwat Shriparv