Thanks Justin, I have seen a thread regarding changing flow-eviction-threshold ovs-vsctl set bridge xenbr3 other-config:flow-eviction-threshold=2500 (as my current flows are with in 3000) Can this be done with out affecting current traffic,ie for allocating more threshold does it need to restart. Thanks, Ananthan
On Mon, May 27, 2013 at 10:35 PM, Justin Pettit <jpet...@nicira.com> wrote: > On May 27, 2013, at 9:58 AM, ananthan <ananthannair...@gmail.com> wrote: > > > is it possible to increase the buffer,if we have lot of free ram > > No. And that's probably not a great idea, since it will introduce lots of > latency with deeper queues. You could try increasing the > "flow-eviction-threshold", which affects the number of flows allowed to > stay resident in the kernel. However, similar to the number of queues, you > don't want to make it too big, since it could end up making the situation > worse due to the overhead of ovs-vswitchd maintaining all those flows. In > more recent releases, we increased the default from 1000 to 2500. > > Once again, I'd recommend using a more recent version of OVS, since it > contains a number of performance in improvements. > > --Justin > > >
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