I’m looking into this,
Jarno
> On Apr 11, 2016, at 3:41 PM, Ben Pfaff <b...@ovn.org> wrote:
>
> Jarno, it seems likely that this has something to do with the
> transactional classifier implementation. Do you think so? Do you have
> any idea why deletions would be so slow?
>
> Thanks,
>
> Ben.
>
> On Mon, Apr 11, 2016 at 09:51:45PM +0000, Maurya, Alok Kumar (HP Networking)
> wrote:
>> Hi All,
>>
>> I am seeing that in OVS 2.4 and ovs 2.5 Bulk flow deletion is
>> taking huge time more than (30 mins) compared to ovs 2.3 where it
>> used to take 1-2 secs .
>>
>> Below are steps which I am following to reproduce the issue :
>>
>>
>> 1. Add 200K Flows
>>
>> ####### Sample Script to add 200 K Flows ######
>>
>>
>> echo "Adding 200K Flows"
>> date
>> for v in {1..20}
>>
>> do
>>
>> for i in {1..250}
>> do
>>
>> for j in {1..40}
>> do
>>
>> ovs-ofctl add-flow br-int
>> hard_timeout=0,idle_timeout=0,priority=10,ip,cookie=0x5c38cfa3a668$v,table=0,dl_dst=fa:16:3e:af:69:a3,dl_vlan=$v,nw_src=9.16.$i.$j/32,in_port=1,actions=output:1
>>
>> done
>> done
>>
>> done
>> date
>> echo "Flows are added"
>>
>> echo "Dump-Flows"
>> ovs-ofctl dump-flows br-int |wc
>> date
>>
>>
>> ######## End Script ####
>>
>>
>> 2. Try to delete 10 k Flows ()
>>
>> ovs-ofctl del-flows br-int dl_vlan=1
>>
>> 3. Above command gets executed successfully , but looks like deletion
>> keep on happening in background .
>> 4. It takes more than 30 mins to complete it , during this
>> period if anyone executes any of below command it hangs without any
>> output .
>>
>>
>> ovs-ofctl dump-flows br-int
>>
>> or
>>
>> ovs-ofctl show br-int
>>
>>
>> 5. This issue is not seen in ovs 2.3
>>
>>
>> Is there any solution for this issue ?
>>
>>
>>
>>
>> Thanks & Regards,
>> Alok
>
>> _______________________________________________
>> discuss mailing list
>> discuss@openvswitch.org
>> http://openvswitch.org/mailman/listinfo/discuss
>
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