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Re: Branching models

From: Luiz Daniel Lapolla <luiz.lapolla_at_sfw.com.br>
Date: 2004-03-05 19:46:56 CET

Ok, how I understood better the concept of cheap copies.

Thanks for the good work.


----- Original Message -----
From: "Ben Collins-Sussman" <sussman@collab.net>
To: "Luiz Daniel Lapolla" <luiz.lapolla@sfw.com.br>
Cc: <users@subversion.tigris.org>
Sent: Friday, March 05, 2004 1:13 PM
Subject: Re: Branching models

> On Fri, 2004-03-05 at 09:48, Luiz Daniel Lapolla wrote:
> > Can subversion cheap copies cope with all this branching without loosing
> > (too much) performance?
> When you branch in subversion, all you're doing is duplicating a single
> directory node. It's like making a hard-link. That's why it's O(1)
> time. When you start changing things underneath the branch-copy, then
> new nodes start getting generated "just in time"... any unchanged nodes
> are still shared between the two trees.
> So make as many copies as you want. Is has nothing to do with
> performance.

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Received on Fri Mar 5 19:47:02 2004

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