From: Andrea Righi <righiandr@users.sourceforge.net>
To: David Newall <david@davidnewall.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Jens Axboe <jens.axboe@oracle.com>
Subject: Re: [RFC][PATCH] per-task I/O throttling
Date: Fri, 11 Jan 2008 16:44:01 +0100 (MET) [thread overview]
Message-ID: <47878EC1.4000907@users.sourceforge.net> (raw)
In-Reply-To: <4787779B.1070100@davidnewall.com>
David Newall wrote:
> Andrea Righi wrote:
>> [I/O-intensive] processes can noticeably impact the system responsiveness
>> for some time and playing with tasks' priority is not always an
>> acceptable solution.
>>
>
> Why?
>
Well, I mean, we can't use 'nice' to grant less priority for the I/O
intensive app, because the I/O intensive app itself doesn't need a lot
of CPU. Instead, the I/O-bound app eats all the available I/O bandwidth,
that's a different issue.
-Andrea
next prev parent reply other threads:[~2008-01-11 15:44 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-10 22:45 [RFC][PATCH] per-task I/O throttling Andrea Righi
2008-01-11 1:50 ` Bill Davidsen
2008-01-11 10:28 ` Andrea Righi
2008-01-11 14:20 ` Peter Zijlstra
2008-01-11 15:29 ` Andrea Righi
2008-01-11 14:05 ` David Newall
2008-01-11 15:44 ` Andrea Righi [this message]
2008-01-16 19:21 ` David Newall
2008-01-11 15:59 ` Balbir Singh
2008-01-11 16:32 ` Andrea Righi
2008-01-12 4:57 ` Valdis.Kletnieks
2008-01-12 9:46 ` Peter Zijlstra
2008-01-12 10:57 ` Balbir Singh
2008-01-12 11:10 ` Peter Zijlstra
2008-01-12 18:01 ` Andrea Righi
2008-01-13 4:46 ` Balbir Singh
2008-01-15 16:49 ` [RFC][PATCH] per-uid/gid I/O throttling (was Re: [RFC][PATCH] per-task I/O throttling) Andrea Righi
2008-01-11 17:58 ` Pavel Machek
2008-01-23 15:41 ` Andrea Righi
2008-01-16 10:45 ` Balbir Singh
2008-01-16 11:30 ` Valdis.Kletnieks
2008-01-16 12:05 ` Balbir Singh
2008-01-16 12:24 ` Valdis.Kletnieks
2008-01-16 12:58 ` Andrea Righi
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