Please see above topic for thread I made on same issue when forum was on 3.1. I've since upgraded to 3.2, but this problem which settled down has reared its head again, not sure why but apparently i'm going over there daily excecution limit yet again!
Apparently they set a limit of 20,000 excecutions per 24h period and in the last 24h my site has excecuted scripts 48064 times.
They sent me a list of the top excecuted scripts, which were:
So it seems that app.php and download/file.php are my top excecuted scripts. What exactly are they? Why are they being excecuted so much more than view topic or viewforum for example? Any suggestions?