On 1/7/07, Donovan Niesen <dniesen at gmail.com> wrote:
> What
> I mean is that while df shows 26GB used, du of that same mount show
> only 7.4 GB used.  It seems that MySQL may be chomping some space in a
> weird way because when I restart the MySQL server the space reappears.

I remember seeing a discussion about this a while back.
http://mailman.real-time.com/pipermail/tclug-list/2004-May.txt
Search for "where is my disk space" on that page.  I'm guessing that
MySQL is keeping "deleted" files open, similar to what Tom was seeing
with his app, and that's why restarting MySQL frees up the space.
- Justin