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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase 0.96.0 performace
Date Mon, 25 Nov 2013 22:36:52 GMT
The numbers below were gathered bypassing disk IO and network IO.

Meaning, in production system, you wouldn't see performance gain of this
magnitude.

bq. We are evaluating it.

Please let us know the result of your evaluation.

bq. The image was passed to me by a co-worker in China

It would be prudent to wait for the slides to be posted on the conference
website.

Cheers


On Tue, Nov 26, 2013 at 6:09 AM, Jerry He <jerryjch@gmail.com> wrote:

> Hi, Ted
>
> Do you have the slides?
> I don't have the full slides.  The image was passed to me by a co-worker in
> China.  We are evaluating it.
> I am copying the numbers below:
>
> Release        3 YCSB clients (puts/seconds)             5 YCSB clients
> (puts/seconds)
> 0.94.14         178K                                                  220K
> 0.96.0           20K                                                   15K
> 0.96.1           173K                                                  168K
>
> Release        10 YCSB clients (reads/seconds)         25 YCSB clients
> (reads/seconds)
> 0.94.14         50K                                                    52K
> 0.96.0           23K                                                   23K
> 0.96.1           52K                                                   54K
>
>
> On Mon, Nov 25, 2013 at 1:25 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> > Jerry:
> > Where did you obtain the picture ?
> >
> > If you got it from slides posted on China Hadoop Summit website, can you
> > share the link ?
> >
> > Cheers
> >
> >
> > On Tue, Nov 26, 2013 at 3:55 AM, Ted Yu <yuzhihong@gmail.com> wrote:
> >
> > > The picture didn't go through.
> > >
> > > Correction: the comparison between hbase 0.96.0 and 0.96.1 was done by
> > > Nicolas Liochon. This was not done at EBay.
> > >
> > > In my talk, there was another comparison to show that MTTR improved a
> lot
> > > from 0.94 to 0.96 - this was done at EBay.
> > >
> > > When Stack cuts 0.96.1 RC0, you would get the list of JIRAs that
> > > contributed to the speedup from 0.96.0 to 0.96.1
> > >
> > > Cheers
> > >
> > >
> > > On Tue, Nov 26, 2013 at 3:50 AM, Jerry He <jerryjch@gmail.com> wrote:
> > >
> > >> Hi,  Ted, and hbase experts
> > >>
> > >> Below picture is a performance comparison between hbase 0.96.0 and
> > >> 0.96.1, shared by Ted Yu in China Hadoop Summit today. This perf
> > testing is
> > >> said to be executed on ebay's real cluster.
> > >>
> > >> It is surprising 0.96.0 is such worse compared to 0.96.1 and even
> > >> 0.94.14.  Are these numbers official and the performance degradation
> > true?
> > >>   What patch in 0.96.1 fixed this?
> > >>
> > >>
> > >>
> > >>
> > >>
> > >
> >
>

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