[ovs-dev] [ovs-dev, v7, 3/6, ovn-controller] Make flow table persistent

Ryan Moats rmoats at us.ibm.com
Thu Feb 25 21:38:10 UTC 2016


Ben Pfaff <blp at ovn.org> wrote on 02/25/2016 03:19:32 PM:

> From: Ben Pfaff <blp at ovn.org>
> To: Ryan Moats/Omaha/IBM at IBMUS
> Cc: dev at openvswitch.org
> Date: 02/25/2016 03:20 PM
> Subject: Re: [ovs-dev,v7,3/6,ovn-controller] Make flow table persistent
>
> On Fri, Feb 19, 2016 at 11:25:09AM -0600, Ryan Moats wrote:
> > From: RYAN D. MOATS <rmoats at us.ibm.com>
> >
> > This is a prerequisite for incremental processing.
> >
> > Signed-off-by: RYAN D. MOATS <rmoats at us.ibm.com>
>
> This appears to make ofctrl_add_flow() into an O(n) operation in the
> number of flows already in the flow table.  That shouldn't be necessary?
>

Han and I had this discussion on v6 of the patch set in the thread starting
at http://openvswitch.org/pipermail/dev/2016-February/thread.html#66312

My ending conclusion still applies - I don't like it, but I've not come
up with a better solution - if somebody can think of a better way to do
this, I'm all ears...

Ryan



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