maria-developers team mailing list archive

[Joe Daly <skinny.moey@xxxxxxxxx>]

These are some results from sysbench for the GA release of Drizzle, it was
about a 10% hit having the transaction log stored in inno. The only
automated testing I did was sysbench I do recall how i/o bound sysbench is.

https://lists.launchpad.net/drizzle-benchmark/msg09626.html

Cheers,
--Joe


On Mon, Jan 28, 2013 at 8:38 PM, Vadim Tkachenko <vadim@xxxxxxxxxxx> wrote:

> Stewart,
>
> I would pretty much like to see benchmarks numbers, especially
> under IO-bound workload before agreeing that it performs well.
>
>
> On Mon, Jan 28, 2013 at 5:05 PM, Stewart Smith <stewart@xxxxxxxxxxxxxxxx>
> wrote:
> > Kristian Nielsen <knielsen@xxxxxxxxxxxxxxx> writes:
> >> You will be writing your data *6* times: To the real table, when
> flushing its
> >> buffer pool pages. To the double-write buffer while flushing, and to
> the redo
> >> log before flushing. Then to the binlog table, and before that to the
> redo log
> >> and the doublewrite buffer. I could never reconcile myself with this.
> >
> > Mind you, it performs really quite well due to the reduced fsync()s and
> > (at least in Drizzle code) was rather trivial to implement. Big bang for
> > buck :)
> >
> > --
> > Stewart Smith
>
>
>
> --
> Vadim Tkachenko, CTO, Percona
> Phone +1-925-400-7377,  Skype: vadimtk153
> Schedule meeting: http://meetme.so/VadimTkachenko
>
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