Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase, mail # user - the scan will be executed parallel if not use coprocessor?


Copy link to this message
-
Re: the scan will be executed parallel if not use coprocessor?
ch huang 2013-07-13, 11:50
hi ted ,for example i have a table with 10 regions, if i offer the
condition hit the data of 8 regions,is it different do it use oraginal scan
and use coprocessor? i know coprocessor can do it parallel for each region
,but why the oraginal scan will slow than coprocessor?

On Sat, Jul 13, 2013 at 7:36 PM, Ted Yu <[EMAIL PROTECTED]> wrote:

> Can you clarify your question a little bit ?
>
> That is, are you expecting parallel scan within region boundary or across
> boundaries ?
>
> Cheers
>
> On Jul 13, 2013, at 1:43 AM, ch huang <[EMAIL PROTECTED]> wrote:
>
> > ATT
>