Re: PostgreSQL 9.3.2 Performance tuning for 32 GB server
| От | Tom Kincaid |
|---|---|
| Тема | Re: PostgreSQL 9.3.2 Performance tuning for 32 GB server |
| Дата | |
| Msg-id | CAKPRjUMqxkZ096XQsdD=Dt=zEewzojjHrvcRde5+0CZzPT55iw@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: PostgreSQL 9.3.2 Performance tuning for 32 GB server (Julien Cigar <jcigar@ulb.ac.be>) |
| Список | pgsql-performance |
On Fri, Jan 31, 2014 at 8:55 AM, Julien Cigar <jcigar@ulb.ac.be> wrote:
On Sat, Jan 25, 2014 at 12:02:59PM +0530, RAMAKRISHNAN KANDASAMY wrote:going over 2GB probably doesn't help
> Hi All,
>
> I have configured the blow parameters for a 32 GB server . I this correct ?
>
> shared_buffers = 6GB
That is true on 32 bit system. On a 64 bit system with 32GB of RAM, there is a lot of value to be potentially gained by having shared buffers significantly higher than 2GB.
It's considered as a bad habit to change the cost settings, but I often
raise the default cpu_tuple_cost to 0.08 (instead of 0.01) too.
> --
> --Regards
> RAMAKRISHNAN KANDASAMY
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