[Haskell-cafe] Need some advice around lazy IO

[C K Kashyap]

Hi,

I am working on an automation that periodically fetches bug data from our
bug tracking system and creates static HTML reports. Things worked fine
when the bugs were in the order of 200 or so. Now I am trying to run it
against 3000 bugs and suddenly I see things like - too  many open handles,
out of memory etc ...

Here's the code snippet - http://hpaste.org/84197

It's a small snippet and I've put in the comments stating how I run into
"out of file handles" or simply file not getting read due to lazy IO.

I realize that putting ($!) using a trial/error approach is going to be
futile. I'd appreciate some pointers into the tools I could use to get some
idea of which expressions are building up huge thunks.


Regards,
Kashyap
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