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Re: cvs performance questions

From: Larry Jones
Subject: Re: cvs performance questions
Date: Tue, 21 Oct 2003 19:42:08 -0400 (EDT)

Richard Pfeiffer writes:
> 1)  If we have multiple users sharing the same userid, would that create
> any kind of locks, etc, that could hinder co/ci times?

Not that I can think of.

> 2) There is a great deal of branching taking place, and it has come to
> my attention that there are some  old undeleted tags hanging around.
> Could enough of these cause a performance issue?

Tags by themselves are very cheap.  Branches, on the other hand, can be
expensive, since the farther a revision is from the head of the trunk,
the more diffs have to be applied to generate it.  If you're actively
using lots of revisions that are far removed from the head of the trunk,
that could explain your performance problems.

Of course, the real way to tell is to take some measurements and analyze
them to determine the overt cause of the problems: is it excessive I/O,
CPU utilization, network latency, or what?  Once you know that, you'll
have a much better chance of fixing it.

-Larry Jones

It works on the same principle as electroshock therapy. -- Calvin

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