From: Gregory Maxwell <greg@linuxpower.cx>
To: Rafal Boni <rafal.boni@eDial.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: 2.2.19pre3 and poor reponse to RT-scheduled processes?
Date: Fri, 29 Dec 2000 16:19:28 -0500 [thread overview]
Message-ID: <20001229161927.A560@xi.linuxpower.cx> (raw)
In-Reply-To: <200012292045.PAA17190@ninigret.metatel.office>
In-Reply-To: <200012292045.PAA17190@ninigret.metatel.office>; from rafal.boni@eDial.com on Fri, Dec 29, 2000 at 03:45:23PM -0500
On Fri, Dec 29, 2000 at 03:45:23PM -0500, Rafal Boni wrote:
[snip]
> The box in question is running the linux-ha.org heartbeat package,
> which is a RT-scheduled, mlock()'ed process, and as such should
> get as good service as the box is able to mange. Often, under
> high disk (and/or MM) loads, the box becomes unreponsive for a
> period of time from ~ 1 sec to a high of ~ 2.8sec.
[snip]
You are running IDE aren't you?
Enable DMA and/or unmask interupts.
man hdparm
Good luck.
-
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WARNING: multiple messages have this Message-ID (diff)
From: Gregory Maxwell <greg@linuxpower.cx>
To: Rafal Boni <rafal.boni@eDial.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: 2.2.19pre3 and poor reponse to RT-scheduled processes?
Date: Fri, 29 Dec 2000 16:19:28 -0500 [thread overview]
Message-ID: <20001229161927.A560@xi.linuxpower.cx> (raw)
In-Reply-To: <200012292045.PAA17190@ninigret.metatel.office>; from rafal.boni@eDial.com on Fri, Dec 29, 2000 at 03:45:23PM -0500
On Fri, Dec 29, 2000 at 03:45:23PM -0500, Rafal Boni wrote:
[snip]
> The box in question is running the linux-ha.org heartbeat package,
> which is a RT-scheduled, mlock()'ed process, and as such should
> get as good service as the box is able to mange. Often, under
> high disk (and/or MM) loads, the box becomes unreponsive for a
> period of time from ~ 1 sec to a high of ~ 2.8sec.
[snip]
You are running IDE aren't you?
Enable DMA and/or unmask interupts.
man hdparm
Good luck.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux.eu.org/Linux-MM/
next prev parent reply other threads:[~2000-12-29 21:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-29 20:45 2.2.19pre3 and poor reponse to RT-scheduled processes? Rafal Boni
2000-12-29 20:45 ` Rafal Boni
2000-12-29 21:19 ` Gregory Maxwell [this message]
2000-12-29 21:19 ` Gregory Maxwell
2000-12-29 21:54 ` Rafal Boni
2000-12-29 21:54 ` Rafal Boni
2000-12-30 18:16 ` Andrea Arcangeli
2000-12-30 18:16 ` Andrea Arcangeli
2000-12-30 19:09 ` Linus Torvalds
2000-12-30 19:25 ` Alexander Viro
2000-12-30 19:31 ` Linus Torvalds
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