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From: Andrea Suisani <sickpig@opinioni.net>
To: sthomas@optionshouse.com
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Two Necessary Kernel Tweaks for Linux Systems
Date: Tue, 08 Jan 2013 09:29:59 +0100
Message-ID: <50EBD907.2060309@opinioni.net> (raw)
In-Reply-To: <50E4AAB1.9040902@optionshouse.com>
References: <50E4AAB1.9040902@optionshouse.com>
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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!

Really appreciated Shaun.

thanks
Andrea




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