[ovs-dev] OVS-DPDK public meeting

Kevin Traynor ktraynor at redhat.com
Wed Apr 4 17:51:03 UTC 2018


Attendees: Anders, Aaron, Alejandro, Ian, Flavio, Yipeng, Tiago, Neil,
Kevin.

Next meeting: 2nd May.

=======
GENERAL
=======

- DPDK 16.11.5 (OVS 2.7/2.8) has vhost numa realloc bug. Fix is
submitted upstream
http://dpdk.org/ml/archives/stable/2018-March/005592.html
-- DPDK 16.11.6 targeted for May 19, 2018

- DPDK 18.05
-- RC0 available
-- Intel completed minor testing (compilation), will require changes for
rte meter profile (egress/ingress policer).
-- Feedback from community on the need for 18.05?
-- DPDK 18.05 proposed features: http://dpdk.org/dev/roadmap
-- No feedback on call about any compelling feature worthy of losing
DPDK LTS support atm

- OVS 2.10 Roadmap Review
- Ian talked about the items Intel are working on
https://docs.google.com/spreadsheets/d/1FilGq46vQePFKoehADWWsDvDCZSNsMU7PrpPr3EM3lU/edit

====================
PERFORMANCE/FEATURES
====================
- Detailed PMD Metrics
-- V10 reviewed, minor changes requested. Nearing commit stage.
-- Awaiting v11 from Jan.

- LSC interrupt mode
-- Queries raised on v6 regarding use now that DPDK has introduced fixes
admin wait times in i40e devices related to the issue
http://dpdk.org/ml/archives/dev/2018-March/092156.html
-- Still seen as useful and worth backporting to 2.8, 2.7.
-- Minor changes requested for v6.

- OVS DPDK documentation rework
-- Patchset submitted to re-organize OVS DPDK documentation into
separate topics.
https://mail.openvswitch.org/pipermail/ovs-dev/2018-February/344372.html
-- Previously raised on the ML and on community discussion.
-- Potential to update how-to guides for OVS DPDK integrating existing
external blogs.
-- Positive feedback on call for having the OVS-DPDK docs in one place
(one dir)

- DP Cache refactor patch (Yipeng)
-- V2: https://mail.openvswitch.org/pipermail/ovs-dev/2018-April/345672.html
-- Sits in between EMC and DPCLS
-- EMC is still fastest, but DP Cache good when > 4K-8K flows and EMC is
ineffective
-- Useful up to about 1M flows, then some performance degradation.

================
HARDWARE OFFLOAD
================
- V8 submitted by Shahaf Shuler and Finn Christensen.
https://mail.openvswitch.org/pipermail/ovs-dev/2018-March/345500.html

- Other meeting regarding full hardware offload ongoing

On 07/25/2017 02:25 PM, Kevin Traynor wrote:
> Hi All,
> 
> The OVS-DPDK public meetings have moved to Wednesday's at the same time.
> Everyone is welcome, it's a chance to share status/plans etc.
> 
> It's scheduled for every 2 weeks starting 26th July. Meeting time is
> currently @ 4pm UTC.
> 
> You can connect through Bluejeans or through dial in:
> 
> https://bluejeans.com/139318596
> 
> US: +1.408.740.7256 <sip:0014087407256>
> UK: +44.203.608.5256 <sip:00442036085256>
> Germany: +49.32.221.091256 <sip:004932221091256>
> Ireland: +353.1.697.1256 <sip:0035316971256>
> Other numbers at https://www.bluejeans.com/numbers
> Meeting ID: 139318596
> 
> thanks,
> Kevin.
> 



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