Re: Inexplicably deteriorating performance of Git repositories on Windows

From: Wilbert van Dolleweerd <wilbert@arentheym.com>
Date: Nov 23, 2010, 19:12 UTC
Message-ID: <AANLkTikXkWvHrc7=FjePfX5WyyNF1U=KH2DBCU+CcVu6@mail.gmail.com>
In-Reply-To: <AANLkTimTh7ka21inpovM=qqdWs6j2OcPXVsFh_CMiZ7N@mail.gmail.com>

Show 17 quoted lines

> We have a bunch of Windows users, unfortunately, and they're using the
> latest msysGit release (Git-1.7.3.1-preview20101002).
>
> An interesting issue we've noticed is that the Time To Complete of
> their common operations start deteriorating inexplicably, and
> severely, some time after the clone.
>
> For instance, immediately after a clone, `git status` takes about
> 5-6s. Which is slow compared to Linux (consistent 1-2s), but still
> usable (it's a BIG repo).
>
> However, after a reboot (of all things), `git status` latency
> skyrockets to 14-15s, making the repo unusable.
>
> Any idea what's going on?  We just recently switched from SVN, and
> those users are getting really frustrated. BTW, the only real
> alternative I'm aware of, Cygwin's git, is even slower.

How big is your repository? We're using some fairly big repositories over here but I haven't seen this behavior with the latest version of msysgit.

Kind regards,

Wilbert van Dolleweerd
Blog: http://walkingthestack.wordpress.com/
Twitter: http://www.twitter.com/wvandolleweerd