Re: [iproute PATCHv2 0/2] Netns performance improvements

On Tue,  5 Jul 2016 16:51:18 +0200
Phil Sutter [off-list ref] 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