Re: Configuring Shared Buffers

Rafael Domiciano escribió:
> Yes, the server just does S, U, I and D.
> The queries is pretty simples, don't have huge joins across tables...
> In this server I have around 500 tables, the largest are:
> 9 millions tuples | 5 millions tuples
>
> This server is our "authenticator"; the response is need to be "imediatly".
> Today, the monitoring of the server is done using the unix command:
> loguptime
> With the time we discovered that when loguptime is up than 1.0 the response
> begin to late, and the applications begin to take "Time-out".

Have you tuned autovacuum?  Maybe you need it to be more frequent on
certain tables or something.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.