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HBase, mail # user - HBase without compactions?


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Re: HBase without compactions?
Ted Yu 2013-02-19, 05:09
We will do some testing along with code reviews.

You can watch HBASE-7667 for further development.

You're right in that its goal is not to get rid of compaction.

Thanks

On Mon, Feb 18, 2013 at 9:06 PM, Otis Gospodnetic <
[EMAIL PROTECTED]> wrote:

> Hi,
>
> HBASE-7667 sounds like an improvement whose details I don't fully
> understand, but not quite the same as compaction elimination.  And I don't
> understand HBASE-7667 enough to have the feeling for how much less painful
> compactions would become after this.  Any way to quantify that?
>
> Thanks,
> Otis
> --
> HBASE Performance Monitoring - http://sematext.com/spm/index.html
>
>
>
> On Mon, Feb 18, 2013 at 11:54 PM, Ted Yu <[EMAIL PROTECTED]> wrote:
>
> > Take a look at HBASE-7667 Support stripe compaction
> >
> > Cheers
> >
> > On Mon, Feb 18, 2013 at 7:30 PM, Otis Gospodnetic <
> > [EMAIL PROTECTED]> wrote:
> >
> > > Hello,
> > >
> > > It's kind of funny, we run SPM, which includes SPM for HBase
> (performance
> > > monitoring service/tool for HBase essentially) and we currently store
> all
> > > performance metrics in HBase.
> > >
> > > I see a ton of HBase development activity, which is great, but it just
> > > occurred to me that I don't think I recall seeing anything about
> getting
> > > rid of compactions.  Yet, compactions are one thing that I know hurt us
> > the
> > > most and is one thing that MapR somehow got rid of in their
> > implementation.
> > >
> > > Have there been any discussions,attempts, or thoughts about finding a
> way
> > > to avoid compactions?
> > >
> > > Thanks,
> > > Otis
> > > --
> > > HBASE Performance Monitoring - http://sematext.com/spm/index.html
> > >
> >
>