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#openstack-nova - 2020-06-19
08:59:25 openstack Launchpad bug 1884214 in OpenStack Compute (nova) "reserve disk usage for image cache fails on a fresh hypervisor" [Medium,Confirmed] - Assigned to Balazs Gibizer (balazs-gibizer)
08:59:25 gibi aarents: there is a bug in the image cache disk reservation patch. https://bugs.launchpad.net/nova/+bug/1884214
09:04:19 gibi aarents: I will push a fix soon
09:21:46 aarents gibi: I saw that, thank you, I was wondering if nova create _base directory only when needed at first cache() but I did not check
09:29:26 gibi aarents: yeah I also missed that case
09:37:34 openstackgerrit Balazs Gibizer proposed openstack/nova master: Guard against missing image cache directory https://review.opendev.org/736964
09:39:21 gibi aarents: ^^
09:41:13 aarents gibi: checking
09:54:59 openstackgerrit Balazs Gibizer proposed openstack/nova master: Guard against missing image cache directory https://review.opendev.org/736964
11:30:06 openstackgerrit Wenping Song proposed openstack/nova master: Delete resource provider in tree by top-down traversable order https://review.opendev.org/719163
11:34:17 songwenping_ Hi, gibi. Pls review my latest commit for the patch:https://review.opendev.org/719163
11:55:38 gibi songwenping_: I will try to look at it next week
11:56:33 songwenping_ OK. Thanks.
13:05:25 openstackgerrit Huaqiang Wang proposed openstack/nova master: release note: add new features introduces by use-pcpu-and-vcpu-in-one-instance https://review.opendev.org/736997
13:31:57 sangeet efried .. if the put cafile only in identity, compute fail to find it.
13:38:05 stephenfin huaqiang: I'm about to push up a rebase of the bp/use-pcpu-and-vcpu-in-one-instance series to address comments on the bottom 10 or so patches. Is that okay with you?
14:25:22 efried sangeet: ack.
14:27:07 dansmith gibi: wanna circle back on these? just made some minor changes for melwitt: https://review.opendev.org/#/c/731550/4
14:39:03 dansmith stephenfin: thoughts on this? https://review.opendev.org/#/c/736964/2/nova/virt/libvirt/imagecache.py
14:39:09 dansmith I know it's kinda minor, but...
14:40:17 stephenfin dansmith: makes sense to me
14:40:53 dansmith stephenfin: okay if gibi doesn't show up here soon to object I'll just fix it for him and we can push that in
15:00:55 openstackgerrit Dan Smith proposed openstack/nova master: WIP: Add libvirt RBD configuration doc https://review.opendev.org/731577
15:00:56 openstackgerrit Dan Smith proposed openstack/nova master: DNM: Try to make a glance multistore job https://review.opendev.org/734184
15:10:31 huaqiang stephenfin: I am OK with your rebase. Go ahead.
15:10:42 stephenfin sweet, thanks
15:11:47 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Update and correct typing information https://review.opendev.org/714694
15:11:48 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Add validation for 'cpu_realtime_mask' https://review.opendev.org/468203
15:11:48 openstackgerrit Stephen Finucane proposed openstack/nova master: libvirt: Add typing information https://review.opendev.org/714695
15:11:49 openstackgerrit Stephen Finucane proposed openstack/nova master: objects: Replace 'cpu_pinning_requested' helper https://review.opendev.org/714697
15:11:49 openstackgerrit Stephen Finucane proposed openstack/nova master: tests: Split instance NUMA object tests https://review.opendev.org/714696
15:11:50 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Remove handling of pre-Train compute nodes https://review.opendev.org/714699
15:11:50 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Don't consider overhead CPUs for unpinned instances https://review.opendev.org/714698
15:11:51 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Tweak the 'cpu_realtime_mask' handling slightly https://review.opendev.org/461456
15:11:51 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Rework 'get_realtime_constraint' https://review.opendev.org/714700
15:11:52 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Remove '_numa_fit_instance_cell_with_pinning' https://review.opendev.org/714703
15:11:52 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Invert order of NUMA topology generation https://review.opendev.org/714701
15:11:53 openstackgerrit Stephen Finucane proposed openstack/nova master: notifications: add the pcpuset info to instance numa cell payload https://review.opendev.org/728480
15:11:53 openstackgerrit Stephen Finucane proposed openstack/nova master: objects: Introduce 'pcpuset' field for InstanceNUMACell https://review.opendev.org/714658
15:11:54 openstackgerrit Stephen Finucane proposed openstack/nova master: libvirt: apply mixed instance CPU policy https://review.opendev.org/728481
15:11:54 openstackgerrit Stephen Finucane proposed openstack/nova master: objects: Introduce the 'CPUAllocationPolicy.MIXED' enum https://review.opendev.org/716267
15:11:55 openstackgerrit Stephen Finucane proposed openstack/nova master: Calculate the CPU usage for mixed instance https://review.opendev.org/716269
15:11:55 openstackgerrit Stephen Finucane proposed openstack/nova master: Validate CPU pinning configuration for mixed instance https://review.opendev.org/716268
15:11:56 openstackgerrit Stephen Finucane proposed openstack/nova master: online data migration for cpuset of dedicated instance https://review.opendev.org/718493
15:35:39 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Rework 'get_realtime_constraint' https://review.opendev.org/714700
15:35:40 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Tweak the 'cpu_realtime_mask' handling slightly https://review.opendev.org/461456
15:35:40 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Allow 'hw:cpu_realtime_mask' to be omitted https://review.opendev.org/737026
15:35:41 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Remove '_numa_fit_instance_cell_with_pinning' https://review.opendev.org/714703
15:35:41 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: Invert order of NUMA topology generation https://review.opendev.org/714701
15:35:42 openstackgerrit Stephen Finucane proposed openstack/nova master: notifications: add the pcpuset info to instance numa cell payload https://review.opendev.org/728480
15:35:42 openstackgerrit Stephen Finucane proposed openstack/nova master: objects: Introduce 'pcpuset' field for InstanceNUMACell https://review.opendev.org/714658
15:35:43 openstackgerrit Stephen Finucane proposed openstack/nova master: libvirt: apply mixed instance CPU policy https://review.opendev.org/728481
15:35:43 openstackgerrit Stephen Finucane proposed openstack/nova master: objects: Introduce the 'CPUAllocationPolicy.MIXED' enum https://review.opendev.org/716267
15:35:44 openstackgerrit Stephen Finucane proposed openstack/nova master: Calculate the CPU usage for mixed instance https://review.opendev.org/716269
15:35:44 openstackgerrit Stephen Finucane proposed openstack/nova master: Validate CPU pinning configuration for mixed instance https://review.opendev.org/716268
15:35:45 openstackgerrit Stephen Finucane proposed openstack/nova master: scheduler: mixed instance CPU resource translating https://review.opendev.org/728482
15:35:45 openstackgerrit Stephen Finucane proposed openstack/nova master: online data migration for cpuset of dedicated instance https://review.opendev.org/718493
15:35:46 openstackgerrit Stephen Finucane proposed openstack/nova master: compute: bump nova-compute service version for mixed instance https://review.opendev.org/716271
15:35:46 openstackgerrit Stephen Finucane proposed openstack/nova master: flavor: Enable 'hw:cpu_dedicated_mask' for creating a mixed instance https://review.opendev.org/714706
15:35:47 openstackgerrit Stephen Finucane proposed openstack/nova master: libvirt/hardware: refactor numa_get_constraints https://review.opendev.org/718294
15:35:47 openstackgerrit Stephen Finucane proposed openstack/nova master: hardware: create 'mixed' instance for realtime and shared CPUs https://review.opendev.org/728485
15:35:48 openstackgerrit Stephen Finucane proposed openstack/nova master: Setup 'mixed' instance through 'PCPU' and 'VCPU' resource https://review.opendev.org/713355
15:52:05 artom stephenfin, wait, are you proposing we *remove* the "must start with a ^" validation on the realtime mask?
15:52:17 artom So we call it a mask, except when the user doesn't feel like, and then it's not a mask?
15:52:37 artom I actually had no idea it was validated to start with ^ in 2.86
15:52:53 stephenfin it's still a mask
15:52:55 artom My opinion would be to keep it, and make the dedicated mask the same
15:53:02 stephenfin it's just not an exclusion mask
15:53:21 stephenfin it behaves sanely with this change
15:53:55 artom I've always understood mask to mean exclusion mask
15:54:16 artom In fact, "exclusion mask" would be a pleonasm in my book
15:54:25 dansmith not me
15:54:31 dansmith mask could be inclusion or inclusion to me
15:54:31 stephenfin that's not how taskset would work
15:54:43 dansmith ahah
15:54:47 dansmith inclusion or exclusion :)
15:54:59 artom OK, I guess it's just me then, and I had it wrong?
15:55:07 stephenfin bad artom
15:55:24 artom *sigh* yeah
15:55:53 dansmith select()'s FDSET is an inclusion mask yeah?
15:56:40 stephenfin oh, err, I think so?
15:57:14 dansmith it is, the question mark was rhetorical :)
15:57:24 stephenfin oh
15:57:33 artom dansmith, I'm trying to understand what you mean by reading `man 2 select`
15:57:55 stephenfin we'll come fish you out of that rabbit hole later
15:57:58 artom There's FD_SET(), but that's a macro
15:58:26 dansmith artom: the readfds, for example is a pointer to a word, with bits set nonzero if the FD represented by that bit should be checked for readability
15:58:31 artom (Also, `man 2 select` is the perfect title for a geek version of The Bachelorette)
16:02:18 artom dansmith, there's nothing about masks in the readfds para...
16:02:27 artom It's a set of file descriptors
16:02:49 dansmith artom: no, it's not, you're just not meant to know how it works under the covers
16:03:27 dansmith FD_SET is just readfds|=(1 << fd)
17:05:57 openstackgerrit Stephen Finucane proposed openstack/nova master: Guard against missing image cache directory https://review.opendev.org/736964
17:07:44 stephenfin dansmith: ^
17:09:25 dansmith stephenfin: I think you got that logic wrong
17:09:32 stephenfin crap
17:09:48 dansmith if the directory does not exist, then True, else if it does, True if st_dev matches
17:11:12 stephenfin At first glance it reads correctly to me. Bear with me
17:11:35 dansmith it's okay it's confusing, so make sure I'm right here
17:12:15 dansmith if the directory does exist, then we need to check to see if the st_dev matches.. if the directory does not exist, then we return True because when we create it, it will be on the same device

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