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From lars hofhansl <la...@apache.org>
Subject Re: coprocessor enabled put very slow, help please~~~
Date Mon, 18 Feb 2013 01:07:23 GMT
Presumably the coprocessor issues Puts to another region server in most cases, that could explain
it being (much) slower.



________________________________
 From: Prakash Kadel <prakash.kadel@gmail.com>
To: "user@hbase.apache.org" <user@hbase.apache.org> 
Sent: Sunday, February 17, 2013 4:52 PM
Subject: Re: coprocessor enabled put very slow, help please~~~
 
Forgot to mention. I am using 0.92.

Sincerely,
Prakash

On Feb 18, 2013, at 9:48 AM, Prakash Kadel <prakash.kadel@gmail.com> wrote:

> hi,
>   i am trying to insert few million documents to hbase with mapreduce. To enable quick
search of docs i want to have some indexes, so i tried to use the coprocessors, but they are
slowing down my inserts. Arent the coprocessors not supposed to increase the latency? 
> my settings:
>    3 region servers
>   60 maps
> each map inserts to doc table.(checkAndPut)
> regionobserver coprocessor does a postCheckAndPut and inserts some rows to a index table.
> 
> 
> Sincerely,
> Prakash
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