Subject: Re: [RFC][PATCH] iproute: Faster ip link add, set and delete

From: [email-masked] (Eric W. Biederman)
Date: Wed, 27 Mar 2013 20:44:40 -0700

Serge Hallyn <[email-masked]> writes:

> Quoting Eric W. Biederman ([email-masked]):
>> Stephen Hemminger <[email-masked]> writes:
>> 
>> > If you need to do lots of operations the --batch mode will be significantly faster.
>> > One command start and one link map.
>> 
>> The problem in this case as I understand it is lots of independent
>> operations. Now maybe lxc should not shell out to ip and perform the
>> work itself.
>
> fwiw lxc uses netlink to create new veths, and picks random names with
> mktemp() ahead of time.

I am puzzled where does the slownes in iproute2 come into play?

Eric