Re: Question about shared_buffers and cpu usage - Mailing list pgsql-performance

From Dave Cramer
Subject Re: Question about shared_buffers and cpu usage
Date
Msg-id 0DCE2361-E0B5-49F3-9E4D-B87B06DFBADC@fastcrypt.com
Whole thread Raw
In response to Question about shared_buffers and cpu usage  ("bh yuan" <bhyuan@gmail.com>)
List pgsql-performance
On 21-Feb-08, at 12:13 AM, bh yuan wrote:

> Hi
>
> I am using Postgres8.3 on 8G memory , Xeon X5355 Quad Core x 2
> processer RH5 machine with 10G data. (with  some table which have
> about 2,000,000~ 5,000,000 rows )
>
> I have two quesion.
> 1. how to set the shared_buffers and other postgresql.conf parameter
> for best performance?
> I only run the Postgres8.3 on the machine so I set the shared_buffers
> = 7168MB (7G)
> But somebody said it is too big, so confused.

Yes, it is too big! make it 2G to start
>


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