From: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
To: Julian Anastasov <ja@ssi.bg>,
"David S. Miller" <davem@davemloft.net>,
Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netdev@vger.kernel.org, lvs-devel@vger.kernel.org,
linux-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org,
Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Subject: [PATCH v2 0/2] ipvs: speedup ipvs netns dismantle
Date: Fri, 27 Sep 2019 12:54:49 +0800 [thread overview]
Message-ID: <1569560091-20553-1-git-send-email-yanhaishuang@cmss.chinamobile.com> (raw)
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
next reply other threads:[~2019-09-27 4:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-27 4:54 Haishuang Yan [this message]
2019-09-27 4:54 ` [PATCH v2 1/2] ipvs: batch __ip_vs_cleanup Haishuang Yan
2019-09-27 4:54 ` [PATCH v2 2/2] ipvs: batch __ip_vs_dev_cleanup Haishuang Yan
2019-09-30 19:08 ` [PATCH v2 0/2] ipvs: speedup ipvs netns dismantle Julian Anastasov
2019-10-01 9:54 ` Simon Horman
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