Re: Parâmetros para melhor performance do servidor

I hope you speak English, for my Portuguese is horrible. If not, I hope you can read English OK, because I certainly can't write well enough to ensure my information is accurate.

From what I see, you're having performance issues, but you don't say what they are or how many people are accessing. Also, what version, precisely of 8.2 are you on?

In general, performance comes down to two big things, from what I have seen: RAM and I/O.

How many drives do you have, and in what configuration? 8GB RAM might or might not be enough overall, depending on what this server is doing, and 2 processors might or might not be adequate for your usage.

Can you provide a bit more information about your cluster, amount of data, drives and usage patterns?

----- On Mar 17, 2015, at 1:35 PM, Denilson Guedes Duarte <denilson(at)bnet(dot)com(dot)br> wrote:

> Pessoal, estou precisando de umas dicas para melhorar a performance do meu
> servidor de banco de dados, agradeço desde já quem puder contribuir.
> Atualmente tenho um servidor com o PostGreSQL 8.2 rodando em um Dell PowerEdge
> 860 com o sistema operacional Linux Slacware v11.
> Tenho dois sistemas ERP que possuem muitos usuários simultâneos acessando o
> banco de dados, mais o Freeradius instalado para autenticar os meus clientes do
> provedor.
> as especificações do servidor são:
> 2 Processadores:
> model name : Intel(R) Pentium(R) D CPU 2.80GHz
> cpu MHz : 2400.000
> cache size : 2048 KB
> Memória:
> MemTotal: 8309472 kB
> MemFree: 1996996 kB
> Buffers: 691172 kB
> Cached: 5306644 kB
> Shared Memory
> /proc/sys/kernel/shmmax = 33554432 (32M)
> /proc/sys/kernel/shmall = 2097152 (2M)
> postgresql.conf:
> max_connections = 100
> shared_buffers = 24MB
> max_fsm_pages = 153600

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