From: Stephen Hemminger <stephen@networkplumber.org>
To: Phil Sutter <phil@nwl.cc>
Cc: Stephen Hemminger <shemming@brocade.com>,
"Eric W . Biederman" <ebiederm@xmission.com>,
netdev@vger.kernel.org
Subject: Re: [iproute PATCHv2 0/2] Netns performance improvements
Date: Wed, 6 Jul 2016 21:22:57 -0700 [thread overview]
Message-ID: <20160706212257.4e35d0fb@xeon-e3> (raw)
In-Reply-To: <1467730280-17493-1-git-send-email-phil@nwl.cc>
On Tue, 5 Jul 2016 16:51:18 +0200
Phil Sutter <phil@nwl.cc> wrote:
> Stress-testing OpenStack Neutron revealed poor performance of 'ip netns'
> when dealing with a high amount of namespaces. The cause of this lies in
> the combination of how iproute2 mounts NETNS_RUN_DIR and the netns files
> therein and the fact that systemd makes all mount points of the system
> shared.
>
> Changes since v1:
> - Added Suggested-by tag to patches.
>
> Phil Sutter (2):
> ipnetns: Move NETNS_RUN_DIR into it's own propagation group
> ipnetns: Make netns mount points private
>
> ip/ipnetns.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
I want an ack for Eric on this, it seems a little risky
next prev parent reply other threads:[~2016-07-07 4:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-05 14:51 [iproute PATCHv2 0/2] Netns performance improvements Phil Sutter
2016-07-05 14:51 ` [iproute PATCHv2 1/2] ipnetns: Move NETNS_RUN_DIR into it's own propagation group Phil Sutter
2016-07-05 14:51 ` [iproute PATCHv2 2/2] ipnetns: Make netns mount points private Phil Sutter
2016-07-07 4:22 ` Stephen Hemminger [this message]
2016-07-07 5:09 ` [iproute PATCHv2 0/2] Netns performance improvements Eric W. Biederman
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