From: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Date: Sun, 12 Jul 2020 20:25:02 GMT
Subject: Re: FETCH_HEAD files and mirrored repos
Message-ID: <20200712202502.x4p2c7rf6ctflt5g@chatter.i7.local>
In-Reply-To: <xmqqblkkr63u.fsf@gitster.c.googlers.com>

On Sun, Jul 12, 2020 at 10:33:09AM -0700, Junio C Hamano wrote:
> >> So, unless your script depends on the presence and/or the contents
> >> of FETCH_HEAD, you can safely remove it.
> >
> > Excellent, that just saved me 20G per each mirror. :)
> 
> Meaning that minimum 4k per file adds up that much due to 5 millions
> of repositories, or something?

Gosh, no. Only 28,000 repositories, with many FETCH_HEAD files being a 
few MB in size.

I also discovered that symlinking FETCH_HEAD to /dev/null works as well 
and thus saves a few IO cycles.

-K