David Leimbach <
leimy2k@gmail.com> writes:
> As some of you may know, I've been writing commercial Haskell code for a little bit here (about a
> year and a half) and I've just recently had to write some
> code that was going to run have to run for a really long time before being restarted, possibly
> months or years if all other parts of the system cooperate as
> it's part of a server infrastructure management system.
>
> I recently ran into some serious space leak difficulties that would ultimately cause this program to
> crash some time after startup (my simulator is also
> written in Haskell, and runs a LOT faster than the real application ever could, this has enabled me
> to fast forward a bit the data growth issues and crash
> in minutes instead of days!)
>
> Anyway, rather than try to paste it all here with images and such I thought I'd stick it up on my
> blog so others could maybe benefit from the anecdote.
> It's difficult to disclose enough useful information as it is commercial code not under an open
> source license, but there's neat diagrams and stuff there
> so hopefully the colors are at least amusing :-)
>
>
http://leimy9.blogspot.com/2009/11/long-running-haskell-applications.html