Agree Luis on all the points.

On Friday, February 19, 2016, Luis Gomez <[email protected]> wrote:

> There are at least 3 areas Li plugin performs better than He plugin:
>
> - Flow bulk operations
> - Statistics collection
> - OF messages ordering
>
> For these reasons I think it is good to move to Li plugin but not before
> we fix some of the stability and cluster issues it has.
>
> BR/Luis
>
> On Feb 19, 2016, at 5:16 PM, Abhijit Kumbhare <[email protected]
> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>
> Ashutosh,
>
> About your question:
>
> >> Is it possible to validate Li-plugin (performs equal-to-or-better than
> He-plugin) before asking the projects to migrate?
>
> There were comparisons sent out earlier showing the performance was better
> or equal than the Helium design in most areas.
>
> Thanks,
> Abhijit
>
>
> On Fri, Feb 19, 2016 at 3:51 AM, Ashutosh Bisht <
> [email protected]
> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>
>> Hi Abhijit
>>
>> We had tested Li-plugin earlier.. We also ran into stability issues
>>
>> *Bug 4925* <https://bugs.opendaylight.org/show_bug.cgi?id=4925>* -* 
>> [Clustering]:
>> Openflow connections unstable with Lithium plugin.
>>
>>
>>
>> We limited our testing on Li-plugin since it was decided to use He-plugin
>> for Be release.
>>
>> Is it possible to validate Li-plugin (performs equal-to-or-better than
>> He-plugin) before asking the projects to migrate?
>>
>>
>>
>> With regards
>>
>> Ashutosh
>>
>>
>>
>> *From:* [email protected]
>> <javascript:_e(%7B%7D,'cvml','[email protected]');>
>> [mailto:[email protected]
>> <javascript:_e(%7B%7D,'cvml','[email protected]');>]
>> *On Behalf Of *Luis Gomez
>> *Sent:* Friday, February 19, 2016 1:15 PM
>> *To:* Abhijit Kumbhare
>> *Cc:* [email protected]
>> <javascript:_e(%7B%7D,'cvml','[email protected]');>
>> *Subject:* Re: [openflowplugin-dev] OFP-Li and OFP-He in Beryllium SRs
>>
>>
>>
>> Personally I think it is less risky changing master and if that works,
>> cherry pick change to stable/beryllium.
>>
>>
>>
>> BR/Luis
>>
>>
>>
>>
>>
>> On Feb 18, 2016, at 6:48 PM, Abhijit Kumbhare <[email protected]
>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>>
>>
>>
>> Yes - agree. But the work to add the support for the Lithium design can
>> start from the projects side in parallel. We should also explore creative
>> ways to see how we can make this easier on the projects:
>>
>>
>>
>> Since Beryllium has just been released & now the development of most
>> projects will shift to the master branch may be we should change the
>> default features to be Li version in stable/beryllium and ask projects to
>> see what breaks? Does that make sense?
>>
>>
>>
>> On Thu, Feb 18, 2016 at 2:00 PM, Luis Gomez <[email protected]
>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>>
>> Hi ofp devs,
>>
>>
>>
>> I agree with the plan to move projects to Li design, however I think
>> before asking projects to effectively move we have to address few issues
>> here:
>>
>>
>>
>> 1) OF1.0 issue:
>>
>>
>>
>>
>> https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-1node-flow-services-lithium-redesign-only-beryllium/
>>
>> https://bugs.opendaylight.org/show_bug.cgi?id=5328
>>
>>
>>
>> 2) Cluster issues:
>>
>>
>>
>>
>> https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-3node-clustering-only-beryllium/
>>
>> https://bugs.opendaylight.org/show_bug.cgi?id=5388
>>
>>
>>
>> 3) Stability issues:
>>
>>
>>
>>
>> https://jenkins.opendaylight.org/releng/view/openflowplugin/job/openflowplugin-csit-1node-periodic-longevity-lithium-redesign-only-beryllium/
>>
>> https://bugs.opendaylight.org/show_bug.cgi?id=5271
>>
>>
>>
>> BR/Luis
>>
>>
>>
>>
>>
>> On Feb 18, 2016, at 12:42 PM, Abhijit Kumbhare <[email protected]
>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>>
>>
>>
>> Hideyuki,
>>
>>
>>
>> Thanks for bringing this topic up! I was planning to initiate a
>> conversation on this later today - since the Beryllium release was
>> officially approved today. First of all - I think we should dedicate a TWS
>> session for this topic regarding the following discussion and feedback:
>>
>>
>>
>> 1. OpenFlow plugin project voted to do the following:
>>
>> OF Plugin recommends dependent ODL projects to all move to Li plugin
>> design in the Be SR 1 timeframe (
>> https://lists.opendaylight.org/pipermail/openflowplugin-dev/2016-February/004607.html
>> )
>>
>> 2. What do projects see as issues & impediments to move to the Lithium
>> design in the SRs (target SR 1) and how the OpenFlow plugin project can
>> address them? Example of the issues - your request regarding the stats
>> RPCs.
>>
>> 3. Develop a timeframe for completing this migration based on the
>> issues/impediments.
>>
>> I would like to note that the key requirement from OpenFlow plugin
>> perspective is that the Boron development should not be done on two
>> different designs. The timeframe should be based on this requirement. Hence
>> OFP thinks it will be important to do this change in the SR1 (or SR2 if
>> cannot be managed). This way OFP developers can concentrate on the Lithium
>> design during the Boron release timeframe (other than occasional high
>> priority bug fixes on Helium design in the subsequent SRs). However, we
>> (OFP & dependent projects) will need to work together for this timeframe.
>>
>>
>>
>> I will try to get this topic on the TWS call on Monday (assuming we can
>> get the following folks from OFP on Monday (alphabetical order) - Anil
>> Vishnoi, Jozef Bazigal, Kamal Rameshan, Michal Rehak & hopefully
>> Muthu/Shuva & Luis.
>>
>>
>>
>> I think the above answers all of your questions except one:
>>
>> Do you plan to continuously support the OFP-He of Beryllium until
>> OpenDaylight project stops to support Beryllium?
>>
>> The answer to that is - yes. OpenFlow Plugin has to support OFP-He in
>> Beryllium - as per ODL release / deprecation requirements.
>>
>>
>>
>> Thanks,
>>
>> Abhijit
>>
>>
>>
>> On Thu, Feb 18, 2016 at 11:43 AM, Tai, Hideyuki <[email protected]
>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote:
>>
>> Hi OpenFlow Plugin project,
>>
>> Could you share your plan about the migration to the OFP-Li in Beryllium
>> SRs?
>> Should all projects migrate to the OFP-Li by Beryllium SR1?
>> Do you plan to continuously support the OFP-He of Beryllium until
>> OpenDaylight project stops to support Beryllium?
>> (In my understanding, OpenDaylight project officially stops to support
>> Beryllium (4th) after it releases Carbon (6th).)
>>
>> If we need to migrate to the OFP-Li by Beryllium SR1, I would like to
>> start to test VTN project's features with the OFP-Li as soon as possible.
>> Though, to migrate the VTN features from OFP-He to OFP-Li, we need the
>> "get-stats-.." RPC by default in the OFP-Li as I explained in the following
>> mail.
>> https://lists.opendaylight.org/pipermail/vtn-dev/2016-February/001278.html
>>
>> Regards,
>> Hideyuki Tai
>>
>>
>>
>>
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>>
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>>
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>>
>>
>>
>>
>>
>
>
>
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