Hi,
As far as I can see, the default 200k limit for in-datapath rules
working not exactly as suggested, because dpctl shows far lower number
of the active flows and with max-idle for 2.5h:
system@ovs-system:
lookups: hit:176489248433 missed:29538996446 lost:46962
flows: 6462
masks: hit:906990269299 total:5 hit/pkt:4.40
Stdev of flow# is about ten percent within a minute, so OVS behaving
slightly different than it should by a bare look at the code. Can
anyone please suggest a way to change an eviction rate so datapath
will hold at least one tenth of amount of prefixes from the limit, or
it is intentional to hold in-dp flow number that low? Indeed there is
a small tail with low hit-rate but most of those subnets are
definitely used more frequently than max-idle.
Thanks!
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