[Twisted-Python] 100% CPU on high opened descriptors
Juan Antonio IbaƱez Santorum
juanito1982 at gmail.com
Tue May 10 10:07:06 MDT 2011
2011/5/10 Itamar Turner-Trauring <itamar at itamarst.org>
> > Still having problems...
> >
> > I can see that twistd process has a higher number than 1024 looking at
> > /proc/pid/limits but whe 1024 descriptors number gets reached the system
> > becomes unstable. It also has been launche using '-r epoll' option. Any
> > other idea?
>
> 0. What does "unstable" mean?
>
I started to see an incrment on memory usage and stopping to accept new
connections. I had to restart the app as it is running in a production
enviroment.
>
> 1. There may be user-specific limits in addition to OS-level limits. Did
> you use "ulimit -n" to raise that limit?
>
Yes, and I checked the limit was ok looking at /proc/pid/limits
>
> 2. Are you using processes on a version of Linux older than 2.6.11?
>
No. 2.6.34 on a Centos distro.
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