Le 16/09/2016 à 09:22, Anton Aksola a écrit : > The calling of netns_map_init() before command parsing introduced > a performance issue with large number of namespaces. > > As commands such as add, del and exec do not need to iterate through > /var/run/netns it would be good not no build the cache before executing > these commands. > > Example: > unpatched: > time seq 1 1000 | xargs -n 1 ip netns add > > real 0m16.832s > user 0m1.350s > sys 0m15.029s > > patched: > time seq 1 1000 | xargs -n 1 ip netns add > > real 0m3.859s > user 0m0.132s > sys 0m3.205s > > Signed-off-by: Anton Aksola <aa...@iki.fi> > --- There is still some differences: $ cat test.batch netns add foo netns set foo 1234 netns list-id
Before your patch: $ ip -b test.batch nsid 1234 (iproute2 netns name: foo) After your patch: $ ip -b test.batch nsid 1234
