From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: emacs-devel@gnu.org
Cc: Yavor Doganov <yavor@gnu.org>
Subject: Re: Surely 'bzr branch' shouldn't be this slow?
Date: Thu, 07 Jan 2010 14:43:16 -0500 [thread overview]
Message-ID: <jwvbph5hfd2.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <873a2hc0bl.GNU's_Not_Unix!%yavor@gnu.org> (Yavor Doganov's message of "Thu, 07 Jan 2010 19:05:34 +0200")
>> But it probably thrashes wildly because Bzr ends up using more than
>> 500MB.
> Indeed, it eats the memory + 500 MB swap, but there's still 500 MB
> swap availaible, so I can't explain myself this behavior.
The amount of swap left is mostly irrelevant. What matters is that
there more memory in active use than the amount of RAM you have, so the
system spends its time moving data back&forth between RAM and swap,
which brings the whole system to a crawl.
http://en.wikipedia.org/wiki/Thrash_%28computer_science%29
Stefan
next prev parent reply other threads:[~2010-01-07 19:43 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-03 17:47 Surely 'bzr branch' shouldn't be this slow? Alan Mackenzie
2010-01-03 17:59 ` Óscar Fuentes
2010-01-06 13:10 ` Alan Mackenzie
2010-01-06 13:28 ` Jason Rumney
2010-01-06 14:06 ` Óscar Fuentes
2010-01-06 18:23 ` Eli Zaretskii
2010-01-06 20:21 ` Stefan Monnier
2010-01-07 7:44 ` Yavor Doganov
2010-01-07 8:37 ` Lennart Borgman
2010-01-07 9:31 ` Juanma Barranquero
2010-01-07 19:18 ` Stephen Berman
2010-01-07 19:54 ` Eli Zaretskii
2010-01-07 20:09 ` Lennart Borgman
2010-01-07 21:48 ` Jason Earl
2010-01-07 23:48 ` Lennart Borgman
2010-01-08 2:07 ` Jason Earl
2010-01-08 7:10 ` Lennart Borgman
2010-01-08 8:13 ` Eli Zaretskii
2010-01-07 14:46 ` Stefan Monnier
2010-01-07 17:05 ` Yavor Doganov
2010-01-07 19:43 ` Stefan Monnier [this message]
2010-01-07 19:46 ` Lennart Borgman
2010-01-07 20:26 ` Thrashing [was: Surely 'bzr branch' shouldn't be this slow?] Stephen J. Turnbull
2010-01-07 20:20 ` Lennart Borgman
2010-01-07 13:40 ` Surely 'bzr update' shouldn't be this slow? [was: branch] Alan Mackenzie
2010-01-07 13:56 ` Surely 'bzr update' shouldn't be this slow? Óscar Fuentes
2010-01-07 14:03 ` Lennart Borgman
2010-01-07 15:18 ` Jan Djärv
2010-01-07 14:52 ` Alan Mackenzie
2010-01-07 15:00 ` Juanma Barranquero
2010-01-07 15:17 ` Karl Fogel
2010-01-07 17:51 ` Glenn Morris
2010-01-07 20:48 ` Karl Fogel
2010-01-07 21:21 ` Glenn Morris
2010-01-08 8:48 ` Eli Zaretskii
2010-01-07 15:17 ` Óscar Fuentes
2010-01-07 17:54 ` Stephen J. Turnbull
2010-01-07 15:06 ` Stefan Monnier
2010-01-06 14:37 ` Surely 'bzr branch' " Stefan Monnier
2010-01-07 5:00 ` Karl Fogel
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