maria-developers team mailing list archive

[Joe Daly <skinny.moey@xxxxxxxxx>]

oops meant to say I don't recall how i/o bound sysbench is

On Thu, Jan 31, 2013 at 10:07 AM, Joe Daly <skinny.moey@xxxxxxxxx> wrote:

> 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
>>
>> Join us in Santa Clara for the annual Percona Live MySQL Conference &
>> Expo 2013!
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>>
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>
>