From: Robin Rosenberg <robin.rosenberg.lists@dewire.com>
To: "Lenar Lõhmus" <lenar@vision.ee>
Cc: Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>
Subject: Re: why swap at all?
Date: Tue, 1 Jun 2004 14:27:33 +0200 [thread overview]
Message-ID: <200406011427.33770.robin.rosenberg.lists@dewire.com> (raw)
In-Reply-To: <40BC6F0C.7000602@vision.ee>
On Tuesday 01 June 2004 13.57, Lenar Lõhmus wrote:
> jlnance@unity.ncsu.edu wrote:
> >I'm not sure. Copying a file is a pretty good indication that you
> >are about to do something with either the new or the old file.
>
> Like taking the new file with me on USB dongle and deleting old one?
> Caching the file really doesn't help in this case.
No, and most file copies are not to be used in the "near" future. I.e. on
my machine. Caching on the second read (close in time) is ok, or if there
are unused ram, but paging out things in use is bad. It's much more likely
that the page allocated to a program will be used than a newly read or written
file.
Ofcourse your milega may vary. I'm thinking of my desktop now.
-- robin
next prev parent reply other threads:[~2004-06-01 12:27 UTC|newest]
Thread overview: 160+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.fegqf9v.kmidof@ifi.uio.no>
[not found] ` <fa.bqpvcrs.u648jq@ifi.uio.no>
2004-05-27 11:39 ` why swap at all? Andy Lutomirski
2004-05-28 21:37 ` Denis Vlasenko
2004-05-28 22:28 ` Bernd Eckenfels
2004-05-29 7:31 ` Denis Vlasenko
2004-05-29 8:40 ` MM patches (was Re: why swap at all?) Nick Piggin
2004-05-29 8:46 ` Nick Piggin
[not found] ` <200405292014.23559.matt@lpbproductions.com>
2004-05-30 3:31 ` Nick Piggin
2004-05-31 13:13 ` Tvrtko A. Uršulin
2004-05-31 13:33 ` Con Kolivas
2004-05-31 17:34 ` Andy Lutomirski
2004-05-31 10:49 ` why swap at all? jlnance
2004-06-01 11:57 ` Lenar Lõhmus
2004-06-01 12:27 ` Robin Rosenberg [this message]
2004-06-01 16:49 ` jlnance
2004-06-01 17:38 ` why swap at all? (what the user feels) Martin Olsson
2004-06-01 17:57 ` Valdis.Kletnieks
2004-06-01 18:01 ` David Schwartz
2004-06-01 19:01 ` Robin Rosenberg
2004-06-01 19:04 ` David Schwartz
2004-06-02 18:38 ` why swap at all? John Hendrikx
2004-06-01 12:21 ` David B. Stevens
[not found] <fa.amhil9e.o5kt1u@ifi.uio.no>
[not found] ` <fa.kfm8lru.1l2mdp4@ifi.uio.no>
2004-06-08 15:12 ` Ray Bryant
2004-06-08 15:12 ` Ray Bryant
2004-06-08 15:15 ` Ray Bryant
2004-06-08 15:15 ` Ray Bryant
2004-06-09 19:24 ` Bill Davidsen
2004-06-09 19:24 ` Bill Davidsen
2004-05-31 19:34 Michael Brennan
2004-05-31 20:29 ` John Bradford
2004-05-31 22:47 ` Nick Piggin
2004-05-31 23:30 ` Bernd Eckenfels
2004-06-01 18:36 ` FabF
2004-06-01 19:02 ` Valdis.Kletnieks
2004-06-01 19:53 ` FabF
2004-06-01 20:00 ` Valdis.Kletnieks
2004-06-01 20:14 ` FabF
2004-06-01 20:22 ` Valdis.Kletnieks
2004-06-01 21:15 ` FabF
2004-06-01 21:40 ` Valdis.Kletnieks
2004-06-03 13:54 ` Bill Davidsen
2004-06-04 0:01 ` Nick Piggin
2004-06-01 23:17 ` Bernd Eckenfels
2004-06-02 5:38 ` FabF
2004-06-02 11:42 ` Con Kolivas
2004-06-02 12:22 ` John Bradford
2004-06-02 12:22 ` Con Kolivas
2004-06-02 17:06 ` FabF
2004-06-03 14:14 ` Bill Davidsen
2004-06-04 7:23 ` Buddy Lumpkin
2004-06-04 17:08 ` Bill Davidsen
2004-06-15 14:55 ` Charles Shannon Hendrix
2004-06-04 9:11 ` Catalin BOIE
2004-06-04 17:24 ` Bill Davidsen
2004-06-06 14:39 ` Rik van Riel
2004-06-02 17:59 ` Valdis.Kletnieks
2004-06-02 18:30 ` FabF
2004-06-02 23:54 ` Con Kolivas
2004-06-03 16:16 ` FabF
2004-06-03 23:56 ` Con Kolivas
2004-06-04 0:16 ` Con Kolivas
2004-06-03 14:18 ` Bill Davidsen
2004-06-03 14:27 ` Con Kolivas
2004-06-02 17:52 ` Valdis.Kletnieks
2004-06-02 3:50 ` Tim Connors
2004-06-02 17:45 ` Valdis.Kletnieks
2004-06-01 8:34 ` John Bradford
2004-06-01 8:32 ` William Lee Irwin III
2004-06-01 8:50 ` John Bradford
2004-06-01 8:54 ` William Lee Irwin III
2004-06-01 9:10 ` John Bradford
2004-06-08 1:18 ` Tim Connors
2004-06-08 5:29 ` Denis Vlasenko
2004-06-01 9:38 ` Buddy Lumpkin
2004-06-01 10:13 ` Tim Connors
2004-06-01 10:24 ` William Lee Irwin III
2004-06-01 11:19 ` Tim Connors
-- strict thread matches above, loose matches on Subject: below --
2004-05-27 12:31 Piszcz, Justin Michael
2004-05-27 12:41 ` William Lee Irwin III
2004-05-27 15:59 ` John Bradford
2004-05-27 16:16 ` William Lee Irwin III
2004-06-03 13:38 ` Bill Davidsen
2004-05-27 5:37 Nick Piggin
2004-05-27 17:27 ` Buddy Lumpkin
2004-05-26 12:34 Piszcz, Justin Michael
2004-05-26 12:24 Nick Piggin
2004-05-26 13:03 ` Buddy Lumpkin
2004-05-26 13:27 ` Helge Hafting
2004-05-26 11:57 Nick Piggin
2004-05-26 12:19 ` Buddy Lumpkin
2004-05-26 11:04 Nick Piggin
2004-05-26 6:38 Anthony DiSante
2004-05-26 7:31 ` Buddy Lumpkin
2004-05-26 7:55 ` William Lee Irwin III
2004-05-26 8:30 ` Buddy Lumpkin
2004-05-26 8:44 ` Nick Piggin
2004-05-26 9:34 ` John Bradford
2004-05-26 9:48 ` Nick Piggin
2004-05-26 10:10 ` Matthias Schniedermeyer
2004-05-26 10:33 ` Nick Piggin
2004-05-26 10:58 ` Matthias Schniedermeyer
2004-05-26 11:19 ` Nick Piggin
2004-05-26 12:27 ` Matthias Schniedermeyer
2004-05-27 5:38 ` Nick Piggin
2004-05-26 12:37 ` Matthias Schniedermeyer
2004-05-26 13:06 ` Gianni Tedesco
2004-05-26 13:41 ` Matt H.
2004-05-26 13:55 ` Buddy Lumpkin
2004-05-27 5:14 ` Tom Felker
2004-05-27 6:02 ` Nick Piggin
2004-05-27 7:04 ` Bernd Eckenfels
2004-05-27 7:16 ` Oliver Neukum
2004-05-26 10:45 ` Martin Olsson
2004-05-26 11:25 ` Nick Piggin
2004-05-26 16:33 ` David Schwartz
2004-05-26 16:58 ` John Bradford
2004-05-26 23:32 ` Kyle Moffett
2004-05-27 8:05 ` John Bradford
2004-05-26 10:46 ` John Bradford
2004-05-26 11:46 ` Buddy Lumpkin
2004-05-26 11:39 ` Buddy Lumpkin
2004-05-26 9:42 ` Anthony DiSante
2004-05-26 9:58 ` Nick Piggin
2004-05-26 20:11 ` Wakko Warner
2004-05-27 5:59 ` Nick Piggin
2004-05-27 14:34 ` Wakko Warner
2004-05-26 10:40 ` Buddy Lumpkin
2004-05-26 13:15 ` Helge Hafting
2004-05-26 9:09 ` William Lee Irwin III
2004-05-26 11:38 ` Buddy Lumpkin
2004-05-26 12:12 ` Paulo Marques
2004-05-26 12:14 ` Nick Piggin
2004-05-26 12:40 ` Denis Vlasenko
2004-05-26 10:41 ` Denis Vlasenko
2004-05-26 12:07 ` Buddy Lumpkin
2004-05-26 12:06 ` Marc-Christian Petersen
2004-05-26 12:19 ` Denis Vlasenko
2004-05-26 13:48 ` Buddy Lumpkin
2004-05-26 12:33 ` Richard B. Johnson
2004-05-26 13:25 ` Buddy Lumpkin
2004-05-26 12:30 ` Rik van Riel
2004-05-26 10:44 ` Denis Vlasenko
2004-05-26 11:49 ` Buddy Lumpkin
2004-05-26 12:19 ` Rik van Riel
2004-05-26 12:55 ` Buddy Lumpkin
2004-05-26 8:27 ` Roger Luethi
2004-05-26 9:23 ` John Bradford
2004-05-26 9:30 ` Roger Luethi
2004-05-26 10:35 ` John Bradford
2004-05-26 10:37 ` Nick Piggin
2004-05-26 10:48 ` John Bradford
2004-05-26 13:01 ` Helge Hafting
2004-05-26 8:32 ` Denis Vlasenko
2004-05-26 9:00 ` Helge Hafting
2004-05-26 9:40 ` John Bradford
2004-05-26 13:06 ` Helge Hafting
2004-05-26 9:06 ` John Bradford
2004-05-26 12:31 ` Buddy Lumpkin
2004-05-26 10:02 ` Raphael Jacquot
2004-05-26 13:00 ` Satoshi Oshima
2004-05-26 13:38 ` William Lee Irwin III
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