Re: To increase RAM or not

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El 22/10/14 a las 02:37, Nikhil Daddikar escibió:
> Folks,
>
> I have set about 12GB RAM (shared buffers) for our Postgresql
> instance. How do I know if this is actually being used? And is
> there a way to know by how much should I increase it, if it is not
> enough?
>
> Thanks.
>

That's a lot if you are using the latest version.

There are several links and blogs related on this, here you have some
I found quickly:
http://rhaas.blogspot.com.es/2012/03/tuning-sharedbuffers-and-walbuffers.html

http://www.depesz.com/2012/06/09/how-much-ram-is-postgresql-using/

Try to filter those which are quite old if you don't want to mess up
with configuration variables like max_fsm_pages, etc.

- --
- --
Emanuel Calvo http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
Bs. As., Argentina (GMT-3)
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