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From: Nikos Chantziaras <realnc@arcor.de>
To: James Cloos <cloos@jhcloos.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Ulrich Lukas <stellplatz-nr.13a@datenparkplatz.de>,
	Mike Galbraith <efault@gmx.de>
Subject: Re: Poor desktop responsiveness with background I/O-operations
Date: Tue, 22 Sep 2009 01:47:22 +0300	[thread overview]
Message-ID: <4AB8027A.1040600@arcor.de> (raw)
In-Reply-To: <m3tyyw6pvz.fsf@lugabout.jhcloos.org>

On 09/21/2009 10:47 PM, James Cloos wrote:
>[...]
> I had that kernel up for soemthing like five weeks, on a busy, low-ram
> laptop, w/o and long pauses or other noticeable pain.  For at least two
> years before that the best this laptop could manage before latency
> became horrific was a fortnight, and weekly reboots were desirable.
>
> Unfortunately, before I could send out a congratulatory note (I wanted
> to first confirm that the result remained) I pulled up and started see-
> ing even worse latency then ever.
>[...]
> A git pull on a clone of Linus' tree is a great way to trigger the
> problem.  As is using Gentoo's portage to install/upgrade anything.
> (Bad python; no alligator!¹)

Fortunately, this is completely (at least here) solved by putting those 
in make.conf:

PORTAGE_NICENESS=19
PORTAGE_IONICE_COMMAND="ionice -c 3 -p \${PID}"

  reply	other threads:[~2009-09-21 22:47 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-20  3:08 Poor desktop responsiveness with background I/O-operations Ulrich Lukas
2009-09-20  4:11 ` Thomas Fjellstrom
2009-09-20  6:07 ` Arjan van de Ven
2009-09-20  8:50   ` Ulrich Lukas
2009-09-20 17:17     ` Nikos Chantziaras
2009-09-20 19:38     ` Mike Galbraith
2009-09-21  0:22       ` Justin P. Mattock
2009-09-21  4:23         ` Mike Galbraith
2009-09-21  7:48           ` Ulrich Lukas
2009-09-21  8:06             ` Mike Galbraith
2009-09-21 19:47               ` James Cloos
2009-09-21 22:47                 ` Nikos Chantziaras [this message]
2009-09-21 23:34                   ` James Cloos
2009-09-22  7:06                 ` Mike Galbraith
2009-09-22  9:20                   ` Mike Galbraith
2009-09-22 11:22                     ` Henrique de Moraes Holschuh
2009-09-22 11:32                       ` Mike Galbraith
2009-09-22 16:58                   ` James Cloos
2009-09-20 17:04   ` Ulrich Lukas
2009-09-20 20:22 ` Jiri Kosina
2009-09-20 22:04   ` Jan Kara
2009-09-21  7:25     ` Mike Galbraith
2009-09-21  7:33       ` Arjan van de Ven
2009-09-21  7:41         ` Mike Galbraith
2009-09-21  7:47           ` Mike Galbraith
2009-09-21  2:59   ` Ulrich Lukas
     [not found] <dmlhK-6ws-5@gated-at.bofh.it>
     [not found] ` <dmnMy-8tg-7@gated-at.bofh.it>
2009-09-20 18:51   ` Sanjoy Mahajan

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