On Wed, 2011-02-02 at 15:15 -0300, Cesar Arrieta wrote:
> Hi, I have a Server with Fedora Core 11, Tomcat and Postgresql 8.3.
> With Hardware:
> * 8GB RAM
> * 8 processors Intel Xeon E5520 @2.27GHz
> * 250GB SATA DISK
>
> Actually, it serves at most 250 connections.
> The problem happends when it serves many many connections at a time,
> tables and queries began to get blocked, then I have to kill some
> processes
> in order to allow other people continue working.
>
> Wich recommendations could you give me for to configure
> postgresql.conf, and could it be eficcient to buy another server with
> almost same hardware
> in order to use pgPool2 with replication, load balance and parallel
> query?.
My first recommedation is to update your PostgreSQL version to 9.0 and
later you can use the PgPool-II version 3.0 in order to use the Hot
standby/Streaming Replication features with it.
Here is a example of the configuration of PgPool-II 3.0.1 and
PostgreSQL-9.0.2
http://lists.pgfoundry.org/pipermail/pgpool-general/2011-February/003338.html
Regards
--
Ing. Marcos Luís Ortíz Valmaseda
System Engineer -- Database Administrator
Centro de Tecnologías de Gestión de Datos (DATEC)
Universidad de las Ciencias Informáticas
http://postgresql.uci.cu