> On May 13, 2019, at 7:26 AM, Chris Withers <ch...@withers.org> wrote: > > Hi All, > > On some busy instances of the app I'm working with/on, we see websocket > connections being dropped due to not ping/ponging in time, I'm fairly sure > this is as a result of some user-written callbacks blocking the reactor for > long periods of time (seconds...). > > What's the best way to debug a twisted application to find out what's > blocking the reactor?
I don’t know about “the best”, but I’ve had some success with https://vmprof.readthedocs.io/en/latest and https://github.com/ggreer/twisted_hang depending on what you’re looking for. Let us know if these work out! -g
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