From: Droebbel <droebbel.melta@gmx.de>
To: Tino Keitel <tino.keitel@gmx.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Problem] slow write to dvd-ram since 2.6.7-bk8
Date: Wed, 16 Feb 2005 23:29:24 +0100 [thread overview]
Message-ID: <1108592965.7407.17.camel@localhost.localdomain> (raw)
In-Reply-To: <1108590900.7407.11.camel@localhost.localdomain>
On Mi, 2005-02-16 at 22:55 +0100, Droebbel wrote:
>Some new information:
>
>2.6.7 is ok, 2.6.7-mm2 is not ok, 2.6.7 with just the linus-patch from
>mm2 is ok, 2.6.7 with linus.patch from mm3 isn't.
>So I took some of the patches from the broken-out mm2 and tested them
>seperately.
>
>The vmscan-dont-reclaim-too-many-pages.patch led to the said reduction
>of writing speed. I reverse-applied it to 2.6.8.1, where it seems to
>solve the problem.
Sorry, have to correct that: it seemed to help at my tests with dd
(write 1G of zeroes to a file). Copying a file with mc still shows
around 1.4MB/s. Could be worse, but is definitely not ok. It *is* better
with 2.6.7.
Regards
David
next prev parent reply other threads:[~2005-02-16 22:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-13 13:36 Droebbel
2005-02-13 14:26 ` Wakko Warner
2005-02-14 8:53 ` Tino Keitel
2005-02-14 10:28 ` Droebbel
[not found] ` <1108376734.9495.8.camel@localhost.localdomain>
[not found] ` <20050214105332.GA7163@dose.home.local>
2005-02-14 12:34 ` Droebbel
[not found] ` <1108379351.9495.22.camel@localhost.localdomain>
[not found] ` <20050214111819.GA7691@dose.home.local>
2005-02-16 21:55 ` Droebbel
2005-02-16 22:29 ` Droebbel [this message]
2005-02-17 23:10 ` Tino Keitel
2005-02-18 22:21 ` Droebbel
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