Comment 8 for bug 903199

Revision history for this message
Vish Ishaya (vishvananda) wrote : Re: [Bug 903199] nova-network leaks memory overtime and eventually stops responding

Dave,

I don't know the implications, because gholt never followed up with submitting it upstream with tests, etc. Seems like we should try and submit it and see what the eventlet maintainers have to say.

Vish

On Jan 12, 2012, at 1:20 AM, Dave Haynes wrote:

> Hi Vish,
>
> Will do. Results early tomorrow.
>
> --
> You received this bug notification because you are subscribed to
> OpenStack Compute (nova).
> https://bugs.launchpad.net/bugs/903199
>
> Title:
> nova-network leaks memory overtime and eventually stops responding
>
> Status in OpenStack Compute (Nova):
> Confirmed
>
> Bug description:
> I have noticed a trend in nova-networking where it seems to leak
> memory over time and then eventually stops responding or processing
> messages from RabbitMQ.
>
> Stracing the process doesn't reveal anything enlightening. Please let
> me know if I can provide any further information?
>
> Stopping and starting nova-network seems to be a work-around for this
> bug (despite LP#785955).
>
> = Process information =
>
> $ ps axfuwww | grep nova-network
> nova 27939 0.0 0.0 45824 580 ? Ss Nov30 0:00 su -c nova-network --flagfile=/etc/nova/nova.conf nova
> nova 27940 9.1 23.1 4730344 1416820 ? Dl Nov30 1566:29 \_ /usr/bin/python /usr/bin/nova-network --flagfile=/etc/nova/nova.conf
>
> $ sudo strace -p 27940
> Process 27940 attached - interrupt to quit
>
> Swapped (from /proc/27940/smaps):
> 2788140 kB - 27940 (nova-network)
>
> $ sudo rabbitmqctl list_queues | grep -E '^network'
> network.cc 3056
>
> = System Information =
>
> $ cat /etc/lsb-release
> DISTRIB_ID=Ubuntu
> DISTRIB_RELEASE=11.10
> DISTRIB_CODENAME=oneiric
> DISTRIB_DESCRIPTION="Ubuntu 11.10"
>
> $ dpkg-query --show nova-network
> nova-network 2011.3-0ubuntu6.2
>
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