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#opnfv-vswitchperf: vswitchperf
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Meeting started by srao at 16:03:17 UTC.  The full logs are available at
http://ircbot.wl.linuxfoundation.org/meetings/opnfv-vswitchperf/2019/opnfv-vswitchperf.2019-01-16-16.03.log.html
.



Meeting summary
---------------

* Development Update.  (srao, 16:04:01)
  * Al Morton  (acm, 16:04:34)
  * Timestamps to Log-files- Should we?  (srao, 16:05:13)
  * Adding timestamps doesn't hurt. Consolidation of logs can be taken
    in future.  (srao, 16:06:46)
  * Testapi Container running in Pod-12.  (srao, 16:07:20)
  * Add this config file: OPNFV_URL= http://10.10.120.22:8000/a  (srao,
    16:07:55)
  * add this into config file: OPNFV_URL=
    http://10.10.120.22:8000/api/v1  (srao, 16:08:09)
  * Include this when running the test: --opnfvpod intel-pod12  (srao,
    16:08:28)
  * Started to explore Cedric's XTesting - create ansible for Vsperf.
    Will update the team next week.  (srao, 16:11:06)
  * Started experimenting with newer versions of OVS-DPDK-VPP  (srao,
    16:14:14)
  * Need to discuss gRPC & REST limits with Cedric.  (acm, 16:14:36)
  * DPDK 18.11, OVS 2.10, VPP 18.1.2  (srao, 16:15:17)
  * Hari: We have to remove these flags '--burst=64 -i --txqflags=0xf00
    ', if we move to DPDK 18.11  (srao, 16:18:10)
  * : Support for libvirt. We have to move from qemu-system-x86_64
    command to libvirt.  (srao, 16:20:38)
  * Why it helps to move to libvirt: (a) For short-duration we may not
    see any issues, however for longer durations there will be
    performance degradation.  (srao, 16:21:44)
  * qemu will eventually cause a few packets to drop with VPP  (acm,
    16:21:49)
  * estimate of 3 weeks development time  (acm, 16:22:10)
  * Why it helps to move to libvirt: (b) CPU pinning would be relatively
    easier  (srao, 16:23:00)
  * if we move to libvirt, the XML will tell qemu how to start, handled
    much more efficiently  (acm, 16:23:04)
  * Christian - With DPDK 18.11 We may have to enable legacy-memory
    option (--legacy-mem)  (srao, 16:24:02)
  * DPDK 18.11  might have to add legacy memory option, otherwise will
    see drops  (acm, 16:24:05)
  * Hari: --burst=64 i is still included, whereas disable-hw-vlan is not
    (srao, 16:24:30)

* Tipsy presentation  (acm, 16:29:56)
  * Peter and Felician will supply slides for posting in the read-out
    section of our Wiki ??  (acm, 16:57:17)
  * t4p4s is the P4 switch, pronounced "tapas"  (acm, 16:58:06)
  * IEEE JSAC Dec 2018 paper describes the tool  (acm, 16:58:55)
  * performance results for lagopus and t4p4s were quite low.  (acm,
    17:00:53)



Meeting ended at 17:03:18 UTC.



People present (lines said)
---------------------------

* srao (19)
* acm (12)
* collabot` (4)



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