Thank you very much Ben, I will try it now and I will let you know 2011/5/25 Ben Pfaff <[email protected]>
> On Wed, May 25, 2011 at 07:19:53PM +0200, Jose Luis Franco Arza wrote: > > > > > > That looks like OFPET_BAD_REQUEST, OFPBRC_BUFFER_UNKNOWN "Specified > > > buffer does not exist". I imagine that on the switch side you got a > > > bunch of "cookie mismatch" log messages. > > > > > > > Exactly, in the openvswitch I receive a lot of cookie mismatch messages > and > > also some other log message that I don't understand at all (I read that > they > > were used for debuggin openvswitch so I just ignore them) > > You should be able to find a line like this in ofproto/connmgr.c in > Open vSwitch: > ofconn->pktbuf = pktbuf_create(); > > If you delete that line, do you see better performance? If so, then > perhaps it's time to work on making OVS suppress packet buffering in > overload conditions, or maybe to just drop support entirely. > > We don't see this problem at Nicira because our controllers set up > flows proactively, not reactively. >
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