Maybe it is related to this: https://bugs.opendaylight.org/show_bug.cgi?id=6064

This issue started a like a week ago and is still pending for patch review.

BR/Luis


> On Jun 15, 2016, at 11:04 AM, Jamo Luhrsen <[email protected]> wrote:
> 
> Adding openflowplugin-dev.
> 
> I know there was some scale/perf work done recently as we released Beryllium,
> so maybe one of those tests saw something like this.  The description seems
> like some kind of bug (although could be an OVS bug, ODL bug, or even test
> bug)
> 
> JamO
> 
> 
> On 06/15/2016 07:28 AM, Georgiopoulos Panagiotis wrote:
>> Hello,
>> 
>> Recently we were experimenting with installing flows from the NorthBound 
>> interface to a topology of Mininet switches (OVS
>> version 2.3.2). After sending a number of flows, we were checking for their 
>> existence in both the controller’s Operational
>> DataStore and the topology switches. In some cases we observed that, even 
>> though the OpDS contained the intended number of
>> flows, the switches had more than that number in total (usually, an extra 
>> number of flows almost equal to the number of
>> switches). Empirically, this issue is observed when the flows-per-switch 
>> ratio is around 1000 or more (e.g. 30000 flows
>> evenly distributed on 30 switches, etc.), while for lower ratios (e.g. 500 
>> or 600) things work as expected, with both the
>> OpDS and the switches containing the same, expected number of flows.
>> 
>> Due to the scale of the number of flows and the different flow storage 
>> formats used in the OpDS and OVS, we were unable to
>> dump and compare the flows to identify the extra ones.
>> 
>> Have you ever observed such an issue in your tests? Any idea would be 
>> helpful.
>> 
>> Best regards
>> Panagiotis
>> 
>> 
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