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Subject[PATCH v2 0/2] ipvs: speedup ipvs netns dismantle
Date
Implement exit_batch() method to dismantle more ipvs netns
per round.

Tested:
$ cat add_del_unshare.sh
#!/bin/bash

for i in `seq 1 100`
do
(for j in `seq 1 40` ; do unshare -n ipvsadm -A -t 172.16.$i.$j:80 >/dev/null ; done) &
done
wait; grep net_namespace /proc/slabinfo

Befor patch:
$ time sh add_del_unshare.sh
net_namespace 4020 4020 4736 6 8 : tunables 0 0 0 : slabdata 670 670 0

real 0m8.086s
user 0m2.025s
sys 0m36.956s

After patch:
$ time sh add_del_unshare.sh
net_namespace 4020 4020 4736 6 8 : tunables 0 0 0 : slabdata 670 670 0

real 0m7.623s
user 0m2.003s
sys 0m32.935s

Haishuang Yan (2):
ipvs: batch __ip_vs_cleanup
ipvs: batch __ip_vs_dev_cleanup

include/net/ip_vs.h | 2 +-
net/netfilter/ipvs/ip_vs_core.c | 47 ++++++++++++++++++++++++-----------------
net/netfilter/ipvs/ip_vs_ctl.c | 12 ++++++++---
3 files changed, 38 insertions(+), 23 deletions(-)

--
1.8.3.1



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