Hi Mohammad,

Not sure I follow. :(

Coprocessor is not MapReduce. MapReduce already takes care to run your code 
local to the data.

Coprocessors can be seen like lightweight Map-only MapReduce job. 

You need to share a few more details for us to be able to help.

Thanks,
Lars

On Jun 26, 2012, at 7:44 PM, Mohammad Tariq wrote:

> Hello Lars,
> 
>        Thank you so much for the quick response.Actually, I want to
> run my MapReduce jobs on a region that contains a specific set of
> data.
> 
> Regards,
>     Mohammad Tariq
> 
> 
> On Tue, Jun 26, 2012 at 9:18 PM, Lars George <lars.geo...@gmail.com> wrote:
>> Hi Mohammad,
>> 
>> The code runs on the server which is opening the region. It sounds to me 
>> that this is not what you want and that you need to have access to some sort 
>> of resources only available on one specific server? Because if that is not 
>> the case, then you are simply using the coprocessors the wrong way IMHO.
>> 
>> Lars
>> 
>> On Jun 26, 2012, at 6:44 PM, Mohammad Tariq wrote:
>> 
>>> Hello list,
>>> 
>>>         Is it possible to use Coprocessors on some specific
>>> regionservers instead of a per-region basis??As per my understanding a
>>> coprocessor allows us to run the code directly on each region
>>> server.Please correct me if I am wrong.Many thanks.
>>> 
>>> Please correct me if I am wrong.
>>> Regards,
>>>     Mohammad Tariq
>> 

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