Re: PostgreSQL and Linux 2.6 kernel.

From: "Gary Doades" <gpd(at)gpdnet(dot)co(dot)uk>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: PostgreSQL and Linux 2.6 kernel.
Date: 2004-04-04 14:50:22
Message-ID: 40702EBE.5594.38BE2E3@localhost
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

It says:

Using anticipatory io scheduler.

This then fits with the earlier post on other observations of up to 10
times better performance, which I what I was seeing in in certain
circumstances.

Cheers,
Gary.

On 4 Apr 2004 at 6:04, Cott Lang wrote:

> On Sun, 2004-04-04 at 01:56, Gary Doades wrote:
> > Unfortunately I don't understand the question!
> >
> > My background is the primarily Win32. The last time I used a *nix OS
> > was about 20 years ago apart from occasional dips into the linux OS
> > over the past few years. If you can tell be how to find out what you want
> > I will gladly give you the information.
>
> There are two available io schedulers in 2.6 (new feature), deadline and
> anticipatory. It should show be listed in the boot messages:
>
> dmesg | grep scheduler
>
> I've seen people arguing for each of the two schedulers, saying one is
> better than the other for databases. I'm curious which one you're
> using. :)
>
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 1: subscribe and unsubscribe commands go to majordomo(at)postgresql(dot)org
>
>
> --
> Incoming mail is certified Virus Free.
> Checked by AVG Anti-Virus (http://www.grisoft.com).
> Version: 7.0.230 / Virus Database: 262.6.5 - Release Date: 31/03/2004
>

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Leeuw van der, Tim 2004-04-04 21:06:11 Re: single index on more than two coulumns a bad thing?
Previous Message Cott Lang 2004-04-04 13:04:35 Re: PostgreSQL and Linux 2.6 kernel.