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Hi guys, I have started having this problem a few
weeks ago and it happens about once a week after which I have to
restart my Twisted based server to function again. It seems to be
happening when I make RPC calls using twisted.web.xmlrpc.Proxy. I have
reason to believe that I am either running out of file handles or
connection limits. I have up-sized my connection limits and ulimit -n
gives me 9000. I receive less than 30 connections though so there must be some kind of leak. The error I'm getting is the following: Unhandled Error Traceback (most recent call last): File "/usr/lib/python2.6/dist-packages/twisted/application/app.py", line 445, in startReactor self.config, oldstdout, oldstderr, self.profiler, reactor) File "/usr/lib/python2.6/dist-packages/twisted/application/app.py", line 348, in runReactorWithLogging reactor.run() File "/usr/lib/python2.6/dist-packages/twisted/internet/base.py", line 1128, in run self.mainLoop() File "/usr/lib/python2.6/dist-packages/twisted/internet/base.py", line 1140, in mainLoop self.doIteration(t) --- <exception caught here> --- File "/usr/lib/python2.6/dist-packages/twisted/internet/selectreactor.py", line 104, in doSelect [], timeout) exceptions.ValueError: filedescriptor out of range in select() Now I know this is a very generic error and it could mean a lot of things, but how would I even start tracking the leak down? Is there a way I can try and track the number of file descriptors? I am using Twisted version 8.2.0 on Ubuntu Server Edition 9.10 |
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