From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Sutter Subject: Re: [iproute PATCH 0/2] Netns performance improvements Date: Tue, 5 Jul 2016 16:49:20 +0200 Message-ID: <20160705144920.GD620@orbyte.nwl.cc> References: <1467729773-16751-1-git-send-email-phil@nwl.cc> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Eric W . Biederman" , netdev@vger.kernel.org To: Stephen Hemminger Return-path: Received: from orbyte.nwl.cc ([151.80.46.58]:34438 "EHLO mail.nwl.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932953AbcGEOtV (ORCPT ); Tue, 5 Jul 2016 10:49:21 -0400 Content-Disposition: inline In-Reply-To: <1467729773-16751-1-git-send-email-phil@nwl.cc> Sender: netdev-owner@vger.kernel.org List-ID: Hi, On Tue, Jul 05, 2016 at 04:42:51PM +0200, Phil Sutter 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. > > Phil Sutter (2): > ipnetns: Move NETNS_RUN_DIR into it's own propagation group > ipnetns: Make netns mount points private Please disregard this series for now, I forgot to give credit to the original author of the changeset. Sorry for the noise! Phil