> Date: Mon, 27 May 2013 09:10:20 -0700
> From: Justin Pettit <jpet...@nicira.com>
> Subject: Re: [ovs-discuss] HIgh CPU usage for ovs-vswitchd with flows
> 3069 and lost: 267425491
> To: kevin parker <kevin.parker...@gmail.com>
> Cc: discuss@openvswitch.org
> Message-ID: <a4832074-0d58-4325-b208-66e3930a3...@nicira.com>
> Content-Type: text/plain; charset=iso-8859-1
>
> We've made a lot of improvements in flow set up rate since version 1.4, so
> upgrading to a more current version (we're on 1.10 now) will likely help.
> We're currently working on multithreading the OVS userspace and adding
> support for wildcarded flows in the kernel, which should substantially
> improve flow set up.
>
> --Justin
>
Good to know there are ongoing efforts to improve flow setup. What are the
timelines for those features? Any patch sent out for review? Thanks!
Best,Jing
>
> On May 27, 2013, at 12:59 AM, kevin parker <kevin.parker...@gmail.com> wrote:
>
> > Hi,
> >
> > Running OVS 1.4 on xenserver 6.0.2 , but its taking very high cpu some
> > times ~100%.
> >
> > ovs-dpctl show
> >
> > system@xenbr5:
> > lookups: hit:2560723 missed:3742809 lost:0
> > flows: 5
> > port 0: xenbr5 (internal)
> > port 1: eth5
> > system@xapi2:
> > lookups: hit:1660559495 missed:1241428 lost:0
> > flows: 11
> > port 0: xapi2 (internal)
> > port 1: eth7
> > port 2: eth6
> > system@xenbr4:
> > lookups: hit:2539909 missed:3729876 lost:0
> > flows: 5
> > port 0: xenbr4 (internal)
> > port 1: eth4
> > system@xapi3:
> > lookups: hit:20443295213 missed:26596588140 lost:267425491
> > flows: 3069
> > port 0: xapi3 (internal)
> > port 1: eth1
> > port 2: eth0
> > port 4: xapi4 (internal)
> > port 15: vif12.0
> > port 18: vif14.0
> > system@xenbr2:
> > lookups: hit:1634980795 missed:166104910 lost:0
> > flows: 127
> > port 0: xenbr2 (internal)
> > port 1: eth2
> > system@xenbr3:
> > lookups: hit:2450949145 missed:81360495 lost:0
> > flows: 118
> > port 0: xenbr3 (internal)
> > port 1: eth3
> > port 2: xapi6 (internal)
> > port 6: vif12.1
> > port 8: vif14.1
> >
> > Network usage:
> >
> > dstat -n
> >
> > -net/total-
> > recv send
> > 6475k 5736k
> > 6575k 5646k
> > 6767k 6347k
> >
> > Can some one please tell me how this can be fixed.
> >
> > Regards,
> > Kevin
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