Thanks for the suggestions, as well as helping with my somewhat ambiguous question :). I'll try time.sleep, and moving to tornado, as a belt-and-suspenders kind of approach. I am using rocket and didn't realize the GIL was an issue.
Chris On Mar 2, 7:37 pm, Ricardo Pedroso <[email protected]> wrote: > On Fri, Mar 2, 2012 at 4:33 AM, Chris <[email protected]> wrote: > > I've got a web2py app that processes an uploaded file. When I upload a big > > file, it pushes the CPU to 100% and blocks out all other processes. > > > How do I limit this thread so that other things can go through? Any ideas > > would be great. > > The info that you gave is not sufficient to give an accurate answer. > > What are the webserver? > If it's the rocket webserver bundled with web2py than if you have a > thread with CPU intensive task > it will block the others threads. This is due to the python GIL. > > Probably you have some loops to process the file, > so just use time.sleep inside those loops. > Using time.sleep will release the GIL giving other threads a chance to run. > > time.sleep(.1) should do it. > > Ricardo
