From: Andrea Suisani <sickpig@opinioni.net>
To: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Two Necessary Kernel Tweaks for Linux Systems
Date: Tue, 08 Jan 2013 16:16:12 +0100
Message-ID: <50EC383C.1060604@opinioni.net> (raw)
In-Reply-To: <50EBD907.2060309@opinioni.net>
References: <50E4AAB1.9040902@optionshouse.com>
<50EBD907.2060309@opinioni.net>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>
On 01/08/2013 09:29 AM, Andrea Suisani wrote:
> On 01/02/2013 10:46 PM, Shaun Thomas wrote:
>> Hey everyone!
>>
>> After much testing and hair-pulling, we've confirmed two kernel settings that
> > should always be modified in production Linux systems. Especially new ones with
>> the completely fair scheduler (CFS) as opposed to the O(1) scheduler.
>
> [cut]
>
>> I just figured I'd share, since we found this info so beneficial.
>
> I just want to confirm that on our relatively small
> test server that tweaks give us a 25% performance boost!
12.5% sorry for the typo...
> Really appreciated Shaun.
>
> thanks
> Andrea
>
>
>
>
--
Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-performance@postgresql.org
Cc: sickpig@opinioni.net
Subject: Re: Two Necessary Kernel Tweaks for Linux Systems
In-Reply-To: <50EC383C.1060604@opinioni.net>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox