From: Andrew Morton <akpm@linux-foundation.org>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch 1/6] mm: bdi: tweak task dirty penalty
Date: Wed, 30 Jan 2008 16:13:52 -0800 [thread overview]
Message-ID: <20080130161352.4dae48e3.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080129154947.110268504@szeredi.hu>
On Tue, 29 Jan 2008 16:49:01 +0100
Miklos Szeredi <miklos@szeredi.hu> wrote:
> Penalizing heavy dirtiers with 1/8-th the total dirty limit might be rather
> excessive on large memory machines. Use sqrt to scale it sub-linearly.
Then again, it might not be.
I'll skip this one. Please resend if/when it is proven to be a net benefit
across a broad range of workloads. And stuff like that.
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch 1/6] mm: bdi: tweak task dirty penalty
Date: Wed, 30 Jan 2008 16:13:52 -0800 [thread overview]
Message-ID: <20080130161352.4dae48e3.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080129154947.110268504@szeredi.hu>
On Tue, 29 Jan 2008 16:49:01 +0100
Miklos Szeredi <miklos@szeredi.hu> wrote:
> Penalizing heavy dirtiers with 1/8-th the total dirty limit might be rather
> excessive on large memory machines. Use sqrt to scale it sub-linearly.
Then again, it might not be.
I'll skip this one. Please resend if/when it is proven to be a net benefit
across a broad range of workloads. And stuff like that.
--
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next prev parent reply other threads:[~2008-01-31 0:14 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-29 15:49 [patch 0/6] mm: bdi: updates Miklos Szeredi
2008-01-29 15:49 ` Miklos Szeredi
2008-01-29 15:49 ` [patch 1/6] mm: bdi: tweak task dirty penalty Miklos Szeredi
2008-01-29 15:49 ` Miklos Szeredi, Peter Zijlstra
2008-01-31 0:13 ` Andrew Morton [this message]
2008-01-31 0:13 ` Andrew Morton
2008-01-29 15:49 ` [patch 2/6] mm: bdi: export BDI attributes in sysfs Miklos Szeredi
2008-01-29 15:49 ` Miklos Szeredi, Peter Zijlstra
2008-01-29 17:39 ` Greg KH
2008-01-29 17:39 ` Greg KH
2008-01-31 0:28 ` Andrew Morton
2008-01-31 0:28 ` Andrew Morton
2008-01-31 9:39 ` Miklos Szeredi
2008-01-31 9:39 ` Miklos Szeredi
2008-01-31 9:54 ` Andrew Morton
2008-01-31 9:54 ` Andrew Morton
2008-01-31 10:08 ` Peter Zijlstra
2008-01-31 10:08 ` Peter Zijlstra
2008-02-29 11:26 ` Andrew Morton
2008-02-29 11:26 ` Andrew Morton
2008-02-29 11:26 ` Andrew Morton
2008-01-29 15:49 ` [patch 3/6] mm: bdi: expose the BDI object in sysfs for NFS Miklos Szeredi
2008-01-29 15:49 ` Miklos Szeredi, Miklos Szeredi
2008-01-29 15:49 ` [patch 4/6] mm: bdi: expose the BDI object in sysfs for FUSE Miklos Szeredi
2008-01-29 15:49 ` Miklos Szeredi, Miklos Szeredi
2008-01-29 15:49 ` [patch 5/6] mm: bdi: allow setting a minimum for the bdi dirty limit Miklos Szeredi
2008-01-29 15:49 ` Miklos Szeredi, Peter Zijlstra
2008-01-29 15:49 ` [patch 6/6] mm: bdi: allow setting a maximum " Miklos Szeredi
2008-01-29 15:49 ` Miklos Szeredi, Peter Zijlstra
2008-01-31 0:39 ` Andrew Morton
2008-01-31 0:39 ` Andrew Morton
2008-01-31 9:46 ` Miklos Szeredi
2008-01-31 9:46 ` Miklos Szeredi
2008-01-31 10:17 ` Peter Zijlstra
2008-01-31 10:17 ` Peter Zijlstra
2008-01-29 17:06 ` [patch 0/6] mm: bdi: updates Peter Zijlstra
2008-01-29 17:06 ` Peter Zijlstra
2008-01-29 18:32 ` Miklos Szeredi
2008-01-29 18:32 ` Miklos Szeredi
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