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From: Juliusz Chroboczek <Juliusz.Chroboczek@pps.jussieu.fr>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Git Mailing List <git@vger.kernel.org>, darcs-devel@darcs.net
Subject: Re: Re: Darcs-git pulling from the Linux repo: a Linux VM question
Date: Wed, 27 Apr 2005 17:54:32 +0200	[thread overview]
Message-ID: <7iu0lskyfb.fsf@lanthane.pps.jussieu.fr> (raw)
In-Reply-To: <Pine.LNX.4.58.0504270823480.18901@ppc970.osdl.org> (Linus Torvalds's message of "Wed, 27 Apr 2005 08:31:37 -0700 (PDT)")

>> For now, does anyone know how I can tune the Linux VM to get a 720
>> MB process to run reliably in 640 MB of main memory?

> I really think you're screwed.

Thanks, that's what I needed to know.

> You _really_ shouldn't read in files that you don't absolutely need.

Ahem... you don't expect me to embark on hacking Git without at least
understanding that, do you?

> That's really the biggest point of git: using the sha1 for naming the
> objects is really all about "descrive the contents using 20 bytes instead
> of by reading the contents".

Here we're speaking about the initial import.  Committed on 17 April
2005 by Linus Torvalds, with the comment ``Let it rip''.  220 MB of
changed files in a single commit.  2 minutes real time just to read
all the files, never mind doing anything useful with them.

To put it mildly, Darcs is not optimised for that sort of usage.

> Sorry.  You really need to fix darcs.

That's exactly why we're so interested in your repository.

                                        Juliusz

  reply	other threads:[~2005-04-27 15:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-27 13:10 Darcs-git pulling from the Linux repo: a Linux VM question Juliusz Chroboczek
2005-04-27 15:31 ` Linus Torvalds
2005-04-27 15:54   ` Juliusz Chroboczek [this message]
2005-04-27 16:16     ` Linus Torvalds
2005-04-28 11:39       ` [darcs-devel] " David Roundy
2005-04-28 15:36         ` Juliusz Chroboczek
2005-04-29 11:25           ` David Roundy

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