| From: | "Albe Laurenz" <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
|---|---|
| To: | Iñigo Martinez Lasala *EXTERN* <imartinez(at)vectorsf(dot)com>, "DM" <dm(dot)aeqa(at)gmail(dot)com> |
| Cc: | <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: [ADMIN] Can we load all database objects in memory? |
| Date: | 2009-03-26 09:44:34 |
| Message-ID: | D960CB61B694CF459DCFB4B0128514C202FF6509@exadv11.host.magwien.gv.at |
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| Lists: | pgsql-admin pgsql-general pgsql-sql |
Iñigo Martinez Lasala wrote:
>> Hi All, I have a database of 10GB. My Database Server has a
>> RAM of 16GB Is there a way that I can load all the database
>> objects to memory? Thanks for your time and taking a look
>> at this question. Thanks Deepak
>
> Increase effective_cache_size parameter.
>
> An "effective_cache_size=11GB" should be more than enough.
Sorry, but that is quite wrong.
effective_cache_size only affects the planner, not memory utilization.
You can use shared_buffers=11GB to give PostgreSQL memory enough
to buffer all of a 10GB database in memory. But that does not
automatically put all the tables in memory.
Yours,
Laurenz Albe
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