On Mon, Jan 05, 2015 at 11:56:14AM +0200, Babis Kaidos wrote:
> Hello,
>
> I am using OVS 2.3.0 as the switching mechanism for topologies deployed by
> mininet. I am creating some stress tests for my application and I was trying
> to find how many bridges my testing setup could support. I got up to 4112
> bridges created with mininet (through ovs-vsctl, I think that's what mininet
> uses). At this point ovs-vswitchd is producing a core dump at
> lib/ovs-thread.c in function ovsthread_key_create():
>
> if (key->index >= MAX_KEYS) {
> abort();
> }
>
> MAX_KEYS is defined as L1_SIZE * L2_SIZE, so I changed L1_SIZE and L2_SIZE
> from 1024 to 2048. This way I can reach the number of switches I need. But
> I'm worried that I may face other problems along the way because I don't
> understand how these values were chosen. So, is there a reason for this value
> of 1024 or was it chosen as an "arbitrary larger" value?
These are just large numbers. You can increase them; that's fine.
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