| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Renato Oliveira <renato(dot)oliveira(at)grant(dot)co(dot)uk> |
| Cc: | "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: Database performance problems |
| Date: | 2009-12-23 17:31:56 |
| Message-ID: | 1261589516.3532.44.camel@jd-desktop.unknown.charter.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Wed, 2009-12-23 at 14:45 +0000, Renato Oliveira wrote:
> Dear all,
>
>
>
> I have been using Postgres but I am not an expert on the subject.
>
>
>
> I would be very grateful if someone could point to the right direction
> with regards this problem.
>
>
>
> We have a web application written in JAVA, using jaboss as a servlet.
>
> There are 100 connections open to the database server at any given
> time, apparently using hibernate.
>
>
>
> We are using Postgres 8.2.4 compiled
>
> The database size is 155GB
>
> We have 8GB of RAM
>
> 300GB Hard disk Raid1
>
> Everything is within a single Volume
>
>
>
> Today the load average was as high as 15
Linux?
Are you using elevator=deadline?
How many spindles, what type of raid?
Are you doing proper maintenance?
Joshua D. Drake
--
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