Re: Optimize kernel readahead using buffer access strategy

2013/12/12 Simon Riggs <simon(at)2ndquadrant(dot)com>

> On 14 November 2013 12:09, KONDO Mitsumasa
> <kondo(dot)mitsumasa(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>
> > For your information of effect of this patch, I got results of pgbench
> which are
> > in-memory-size database and out-memory-size database, and postgresql.conf
> > settings are always used by us. It seems to improve performance to a
> better. And
> > I think that this feature is going to be necessary for business
> intelligence
> > which will be realized at PostgreSQL version 10. I seriously believe
> Simon's
> > presentation in PostgreSQL conference Europe 2013! It was very
> exciting!!!
>
> Thank you.
>
> I like the sound of this patch, sorry I've not been able to help as yet.
>
> Your tests seem to relate to pgbench. Do we have tests on more BI related
> tasks?
>
Yes, off-course! We will need another benchmark test before conclusion of
this patch.
What kind of benchmark do you have?

Regards,
--
Mitsumasa KONDO
NTT Open Source Software Center