In the manual of ovs-dpctl it says:
[...]
"missed" displays the number of packets not matching any existing flow and require user space processing.
"lost" displays number of packets destined for user space process but subsequently dropped before reaching userspace.
[...]
I have the following output:
ovs-dpctl show
system@ovs-system:
lookups: hit:83219536447 missed:43777102357 lost:52476
flows: 670
[...]
system@ovs-system:
lookups: hit:83219536447 missed:43777102357 lost:52476
flows: 670
[...]
(this centos machine is up since 1944 days)
Questions:
What exactly is meant by "require user space processing"?
As I see a lot of packets (43777102357, looks like every 3rd packet) with the tag "missed", I'd like to understand what happens with those packets exactly?
Thanks
Dan
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