Re: understanding postgres issues/bottlenecks

From: "Stefano Nichele" <stefano(dot)nichele(at)gmail(dot)com>
To: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: understanding postgres issues/bottlenecks
Date: 2009-01-07 21:02:05
Message-ID: bdb13b210901071302t1ef71ad0wb17408e7cca00a2d@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On Tue, Jan 6, 2009 at 7:45 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>wrote:

> I concur with Merlin you're I/O bound.
>
> Adding to his post, what RAID controller are you running, does it have
> cache, does the cache have battery backup, is the cache set to write
> back or write through?

At the moment I don't have such information. It's a "standard" RAID
controller coming with a DELL server. Is there any information I can have
asking to the SO ?

>
> Also, what do you get for this (need contrib module pgbench installed)
>
> pgbench -i -s 100
> pgbench -c 50 -n 10000
>
> ? Specifically transactions per second?

I'll run pgbench in the next days.

Cheers,
ste

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Scott Marlowe 2009-01-07 21:31:10 Re: understanding postgres issues/bottlenecks
Previous Message david 2009-01-07 19:54:45 Re: Are random writes optimized sequentially by Linux kernel?