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From Ted Yu <yuzhih...@gmail.com>
Subject Re: endpoint coprocessor
Date Fri, 11 Apr 2014 17:11:34 GMT
Please take a look at :
hbase-shell/src/main/ruby/hbase/security.rb

for example on how coprocessor is activated from shell.

Cheers


On Fri, Apr 11, 2014 at 11:06 AM, Bogala, Chandra Reddy <
Chandra.Bogala@gs.com> wrote:

> Thank you. I am aware of this challenge. How to call below coprocessor
> from client. Can I call this coprocessor from hbase shell?.  I am new to
> Hbase. So may be asking very dumb questions.
>
> Thanks,
> Chandra
>
> -----Original Message-----
> From: Asaf Mesika [mailto:asaf.mesika@gmail.com]
> Sent: Friday, April 11, 2014 12:10 PM
> To: user@hbase.apache.org
> Subject: Re: endpoint coprocessor
>
> Bear in mind each region will return its top n, then you will have to run
> another top n in your client code. This introduce a numerical error : top
> on top.
>
> On Thursday, April 10, 2014, Bogala, Chandra Reddy <Chandra.Bogala@gs.com>
> wrote:
>
> > Hi,
> > I am planning to write endpoint coprocessor to calculate TOP N results
> > for my usecase.  I got confused with old apis and new apis.
> > I followed below links and try to implement. But looks like api's
> > changed a lot. I don't see many of these classes in hbase jars. We are
> > using Hbase 0.96.
> > Can anyone point to the latest document/apis?. And if possible sample
> > code to calculate top N.
> >
> > https://blogs.apache.org/hbase/entry/coprocessor_introduction
> > HBase Coprocessors - Deploy shared functionality directly on the
> > cluster<https://www.youtube.com/watch?v=xHvJhuGGOKc>
> >
> > Thanks,
> > Chandra
> >
> >
> >
>

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