On Mon, Mar 31, 2014 at 06:39:52PM -0400, Sukhbir Singh wrote:
> * Ben Pfaff:
> 
> > On Mon, Mar 31, 2014 at 06:35:14PM -0400, Sukhbir Singh wrote:
> > > In Mininet, I am using OVSSwitch for creating the switches in a Mininet
> > > topology. I am using OVS 2.1.0 and there is no controller attached as I
> > > am setting up the flows manually.
> > > 
> > > I have a question about the switch startup time, which gets
> > > progressively slower as the number of switches increase. As a rough
> > > estimation, after about 200 switches, it takes 1-1.5 seconds to create a
> > > switch which is not horrible but I was hoping this would be parallized?
> > 
> > How are you doing it?
> 
> Nothing fancy, just using addSwitch() [0].
> 
> [0] - https://github.com/mininet/mininet/blob/master/mininet/topo.py#L82

OK, I don't know what that does underneath.  Does it block waiting
until the operation is complete?  If so then you should be able to get
better performance by creating several switches in the database in
parallel and waiting for all of them to be created.
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