On Mon, Oct 15, 2012 at 11:14 AM, Angelo Borsotti
<angelo.borso...@gmail.com> wrote:
> Hello,

FWIW we have a lot of lemmings pushing to the same ref all the time at
$work, and while I've seen cases where:

 1. Two clients try to push
 2. They both get the initial lock
 3. One of them fails to get the secondary lock (I think updating the ref)

I've never seen cases where they clobber each other in #3 (and I would
have known from "dude, where's my commit that I just pushed" reports).

So while we could fix git to make sure there's no race condition such
that two clients never get the #2 lock I haven't seen it cause actual
data issues because of two clients getting the #3 lock.

It might still happen in some cases, I recommend testing it with e.g.
lots of pushes in parallel with GNU Parallel.
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