Re: why read HBase in map function is so slow?

[edward yoon <ed...@udanax.org>]

I have a question.
Increased map number would be bring up more speed?

> On 2/2/08, stack <st...@duboce.net> wrote:
> > Are you making the HTable instance every time you do a get?  If so,
> > that'll cost.
> > St.Ack
> >
> >
> > ma qiang wrote:
> > > About more than twice. I guess the  time of connect to table is too large .
> > >
> > >
> > >
> > > On Feb 1, 2008 8:15 PM, edward yoon <ed...@udanax.org> wrote:
> > >
> > >> How long does it take to get the row data from table?
> > >>
> > >>
> > >> On 2/1/08, ma qiang <ma...@gmail.com> wrote:
> > >>
> > >>> Hi all:
> > >>>     I have a mapreduce program now, and in my map function I need use
> > >>> some parameters which read from another table in HBase using HTable
> > >>> class , as a result I find the this program run so slow. Who can tell
> > >>> me why and how to solve this problem?
> > >>>    Thank you very much!
> > >>>    Best Wishes!
> > >>>
> > >>>
> > >> --
> > >> B. Regards,
> > >> Edward yoon @ NHN, corp.
> > >>
> > >>
> >
> >
>
>
> --
> B. Regards,
> Edward yoon @ NHN, corp.
>


-- 
B. Regards,
Edward yoon @ NHN, corp.