From: Thomas Rast <trast@student.ethz.ch>
Date: Mon, 26 Sep 2011 16:25:39 GMT
Subject: Re: Git is not scalable with too many refs/*
Message-ID: <201109261825.39831.trast@student.ethz.ch>
In-Reply-To: <201109260942.08299.mfick@codeaurora.org>

Martin Fick wrote:
> 
> I suspect that there are several commands in git 
> which inadvertently scan all the refs when they probably 
> shouldn't. [...] I feel like git checkout is one of those cases, 
> it does not seem like git checkout should be affected by the 
> number of refs in a repo?

git-checkout checks whether you are leaving any unreferenced
(orphaned) commits behind when you leave a detached HEAD, which
requires that it scan the history of all refs for the commit you just
left.

So unless you disable that warning it'll be pretty expensive
regardless.

-- 
Thomas Rast
trast@{inf,student}.ethz.ch