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#openstack-nova - 2019-01-24
09:25:09 gibi canori01: the nova legacy notifications and the new versioned notifications are separated already to different queues
09:26:06 gibi canori01: there is an oslo messaging notificatin driver called 'routing' but it seems it is undocumented https://docs.openstack.org/oslo.messaging/ocata/notifier.html#routing
11:02:56 openstackgerrit Maria Luisa Arches proposed openstack/nova master: Skip checking of target_dev for vhostuser https://review.openstack.org/627540
11:29:34 openstackgerrit Maria Luisa Arches proposed openstack/nova master: Skip checking of target_dev for vhostuser https://review.openstack.org/627540
12:39:39 openstackgerrit Jan Gutter proposed openstack/nova master: Add support for vrouter HW datapath offloads https://review.openstack.org/572082
14:00:51 gibi nova meeting just started on #openstack-meeting
14:28:49 mriedem alex_xu: what do you think about the suggestion in https://review.openstack.org/#/c/619953/7/nova/virt/libvirt/driver.py@4894
14:29:08 mriedem change hw:unique_serial from a boolean to an enum - hw:guest_serial=unique
14:29:19 mriedem and that's the only value allowed
14:31:37 mriedem gibi: comments in your e-r query for the subunit parser failure https://review.openstack.org/#/c/632977/1
14:32:13 gibi mriedem: looking
14:33:26 gibi mriedem: the hits are mostly nova but other projects shows up as well
14:34:10 gibi mriedem: it is interesting the sometimes there is no Captured Parser Error in the logs but besides that the symptoms are the same
14:34:52 gibi mriedem: execution aborted, and the output of the test case caused the error are truncated
14:50:09 mriedem gibi: ack approved
14:50:18 gibi mriedem: thanks
15:00:20 alex_xu mriedem: I like the enum than the boolean
15:02:11 openstackgerrit Theodoros Tsioutsias proposed openstack/nova master: Introduce the PENDING instance state https://review.openstack.org/566473
15:02:11 mriedem ok i'll send something to the ML to confirm
15:02:20 alex_xu cool, thanks
15:04:16 alex_xu mriedem: when the user specific 'false' explicitly, but in the end he get the unique value, that is confuse. Althought I'm not sure any user want to use False value, but it is just a confuse value.
15:09:10 mriedem alex_xu: yeah, email sent
15:09:40 openstackgerrit Paul-Emile Element proposed openstack/nova master: Add emulated TPM support to Nova https://review.openstack.org/631363
15:18:03 Kevin_Zheng mriedem: thanks for doing this
15:18:51 mriedem np
15:21:56 mriedem Kevin_Zheng: i guess let's give it a day to see if anyone has a strong objection to that alternative proposal and if not, just make that change and we/i can amend the spec
15:22:49 Kevin_Zheng Sure, I can amend it in Saturday as we are working on Saturday this week
15:25:59 BjoernT Hello is there anyone here familiar with instance store baked by NFS and larger volume, as I see performance issues with the image cache manager ?
15:26:08 BjoernT https://bugs.launchpad.net/nova/+bug/1804262/ is the original bug I had opened
15:26:09 openstack Launchpad bug 1804262 in OpenStack Compute (nova) "ComputeManager._run_image_cache_manager_pass times out when running on NFS" [Undecided,New]
15:26:20 openstackgerrit Matt Riedemann proposed openstack/nova master: Skip checking of target_dev for vhostuser https://review.openstack.org/627540
15:29:43 openstackgerrit Balazs Gibizer proposed openstack/nova master: Test boot with more ports with bandwidth request https://review.openstack.org/573317
15:29:43 openstackgerrit Balazs Gibizer proposed openstack/nova master: Remove port allocation during detach https://review.openstack.org/622421
15:29:44 openstackgerrit Balazs Gibizer proposed openstack/nova master: Record requester in the InstancePCIRequest https://review.openstack.org/625310
15:29:44 openstackgerrit Balazs Gibizer proposed openstack/nova master: Add pf_interface_name tag to passthrough_whitelist https://review.openstack.org/625311
15:29:45 openstackgerrit Balazs Gibizer proposed openstack/nova master: Ensure that bandwidth and VF are from the same PF https://review.openstack.org/623543
15:31:13 stephenfin alex_xu: Regarding https://review.openstack.org/#/c/631038/3/nova/virt/libvirt/driver.py@6328
15:31:31 stephenfin alex_xu: Is it not a reasonable assumption that there will be some small pages on each NUMA node?
15:31:45 stephenfin Far as I know, you can't boot a system with only large/huge pages
15:33:02 sean-k-mooney stephenfin: correct you cant
15:34:01 sean-k-mooney also event if there are 0 available i think you will still have the mempage listed
15:36:28 stephenfin sean-k-mooney++
15:49:17 jangutter stephenfin: allocating everything to hugepages is the quickest way to get a system unbootable by hitting the OOM killer.
15:49:57 sean-k-mooney jangutter: yep the kernel cant allocate its own memory form hugepages so it gets grumpy
15:51:14 stephenfin sean-k-mooney: When we move hugepage tracking to placement, we should get rid of this thing https://review.openstack.org/#/c/631053/1/nova/virt/hardware.py@1059
15:51:45 stephenfin (the second part of your comment, that is
15:51:46 stephenfin )
15:52:06 sean-k-mooney stephenfin we can only do that if we track all memory as meory of a set size
15:52:40 sean-k-mooney so we would need to get rid of memory_mb from the compute node and always afine guest to numa nodes
15:54:14 sean-k-mooney i personally woudl prefer to do that but i dont think we can just remove it simply
15:54:22 sean-k-mooney maybe we can
15:54:25 stephenfin Hmm that's a good point
15:55:00 sean-k-mooney honestly i would prefer to have a singel code path used for dedicate/shared cpus and all mempages sizes
15:55:15 sean-k-mooney instead of the 2 we have now for numa guests and non numa guests
16:07:28 bauzas folks, FWIW, I'm on a conference today and tomorow named 'SnowCamp' where I'm an organizer
16:07:31 bauzas mriedem: ^
16:12:07 mriedem mdbooth: fyi image cache manager perf bug https://bugs.launchpad.net/nova/+bug/1804262/ - i put some thoughts on how to optimize where they are hitting timeouts
16:12:08 openstack Launchpad bug 1804262 in OpenStack Compute (nova) "ComputeManager._run_image_cache_manager_pass times out when running on NFS" [Medium,Triaged]
16:13:17 BjoernT Thanks for the feedback, I did not know about the GMR report (good old amiga times reflect back on me, lol)
16:14:25 mriedem BjoernT: i think i've sorted out the issue though so the gmr isn't really necessary
16:14:45 BjoernT ok I'm still curious what it looks like
16:14:48 mriedem you're just timing out trying to pull bdms for 705 instances from the conductor within 60 seconds (default rpc_response_timeout)
16:15:02 BjoernT took me a day to actually make that association with failing service checkins and the image cache manager
16:15:20 BjoernT we run rpc_response timeout upwards of 300 already
16:15:30 BjoernT now even larger
16:15:35 mriedem rpc_response_timeout is used mostly globally so tweaking it for one thing does not surprise me that it causes side effects elsehwere
16:15:50 BjoernT yeah I know
16:16:01 mriedem we also have a long_rpc_timeout since rocky, but you're on an older release than that, and this code / query isn't using that timeout
16:16:27 BjoernT I had one workaround in mind to shutoff image cache manger globally except one service node, which would not be used for scheduling
16:16:43 BjoernT ok, I'm still stuck on pike but good to know
16:17:07 mriedem i could maybe hack something up here and you can take a look at it
16:17:38 BjoernT yes I should be able to test that in that environment once I get signoff
16:22:01 openstackgerrit Balazs Gibizer proposed openstack/nova master: Reject interface attach with QoS aware port https://review.openstack.org/570078
16:22:02 openstackgerrit Balazs Gibizer proposed openstack/nova master: Reject networks with QoS policy https://review.openstack.org/570079
16:22:02 openstackgerrit Balazs Gibizer proposed openstack/nova master: Create RequestGroup from neutron port https://review.openstack.org/625941
16:22:03 openstackgerrit Balazs Gibizer proposed openstack/nova master: Include requested_resources to allocation candidate query https://review.openstack.org/625942
16:22:03 openstackgerrit Balazs Gibizer proposed openstack/nova master: Read port resource request from Neutron https://review.openstack.org/630720
16:22:04 openstackgerrit Balazs Gibizer proposed openstack/nova master: Reject server create with port having resource request https://review.openstack.org/630721
16:22:04 openstackgerrit Balazs Gibizer proposed openstack/nova master: Reject resize with port having resource request https://review.openstack.org/630722
16:22:05 openstackgerrit Balazs Gibizer proposed openstack/nova master: Reject migrate with port having resource request https://review.openstack.org/630723
16:22:05 openstackgerrit Balazs Gibizer proposed openstack/nova master: Reject evacuate with port having resource request https://review.openstack.org/630724
16:22:06 openstackgerrit Balazs Gibizer proposed openstack/nova master: Reject unshelve with port having resource request https://review.openstack.org/630725
16:22:06 openstackgerrit Balazs Gibizer proposed openstack/nova master: Transfer port.resource_request to the scheduler https://review.openstack.org/567268
16:22:07 openstackgerrit Balazs Gibizer proposed openstack/nova master: Extend RequestGroup object for mapping https://review.openstack.org/619527
16:22:07 openstackgerrit Balazs Gibizer proposed openstack/nova master: Calculate RequestGroup resource provider mapping https://review.openstack.org/616239
16:22:08 openstackgerrit Balazs Gibizer proposed openstack/nova master: Fill the RequestGroup mapping during schedule https://review.openstack.org/619528
16:22:08 openstackgerrit Balazs Gibizer proposed openstack/nova master: Pass resource provider mapping to neutronv2 api https://review.openstack.org/616240
16:22:09 openstackgerrit Balazs Gibizer proposed openstack/nova master: Recalculate request group - RP mapping during re-schedule https://review.openstack.org/619529
16:22:09 openstackgerrit Balazs Gibizer proposed openstack/nova master: Send RP uuid in the port binding https://review.openstack.org/569459
16:22:10 openstackgerrit Balazs Gibizer proposed openstack/nova master: Test boot with more ports with bandwidth request https://review.openstack.org/573317
16:22:15 gibi I'm sorry
16:22:22 sean-k-mooney :)
16:26:12 gibi mriedem: I've fixed your comments in https://review.openstack.org/#/c/570078
16:27:17 melwitt mriedem, efried_2dmtg: would one of y'all be able to run the nova meeting next week? I will be traveling for work and unable to run it
16:29:24 mriedem yes i can
16:31:56 mriedem gibi: lgtm, +2
16:33:42 gibi mriedem: thanks
16:33:52 gibi the next in that series is pretty similar
16:34:27 melwitt mriedem: great, thanks
16:34:32 mriedem ok in the tab queue

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