[Xen-API] Re: ovs-vswitchd high cpu and memory use eventually crashes

[Ben Pfaff <blp@xxxxxxxxxx>]

If OVS is running with --monitor (as it does by default on XenServer),
then you can restart it quickly with just "kill -SEGV $(cat
/var/run/ovs-vswitchd.conf)".  Yes, it will just pause connectivity
briefly.

On Thu, Sep 08, 2011 at 06:14:47AM -0400, Andres E. Moya wrote:
> is there anyway to restart the ovs-vswitchd process, will this jsut
> kill connectivity while it is restarting?
> 
> ----- Original Message -----
> From: "Ben Pfaff" <blp@xxxxxxxxxx>
> To: "Andres E. Moya" 
> <public-amoya-6IoTNRIFf+UAspv4Qr0y0gC/G2K4zDHf@xxxxxxxxxxxxxxx>
> Cc: public-xen-api-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@xxxxxxxxxxxxxxx
> Sent: Wednesday, September 7, 2011 10:11:39 PM
> Subject: Re: ovs-vswitchd high cpu and memory use eventually crashes
> 
> 
> 
> "Andres E. Moya"
> <amoya-6IoTNRIFf+UAspv4Qr0y0gC/G2K4zDHf@xxxxxxxxxxxxxxxx> writes:
> 
> > we tried the fix
> > echo "NR_DOMAIN0_VCPUS=1" > /etc/sysconfig/unplug-vcpus
> >
> > 24 hours later the same thing happened
> 
> The symptoms sound like a small per-flow memory leak.  When I get
> a chance, I'll test for that.  (Or you can do so yourself with
> --leak-check and ovs-parse-leaks and send a patch.)
> 
> 
> 


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