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| openstackgerrit | Dakshina Ilangovan proposed openstack/nova-specs master: Nova changes to support Local Resource Management that uses Resource Management Daemon https://review.openstack.org/630817 | 01:48 |
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| openstackgerrit | Merged openstack/nova master: Allow run metadata api per cell https://review.openstack.org/624612 | 02:20 |
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| openstackgerrit | Merged openstack/nova master: Move some linux network helpers to use privsep. https://review.openstack.org/621398 | 03:04 |
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| openstackgerrit | melanie witt proposed openstack/nova master: Propagate exception message from _prep_block_device https://review.openstack.org/624832 | 06:42 |
| openstackgerrit | melanie witt proposed openstack/nova master: Add method to generate device names universally https://review.openstack.org/573066 | 06:42 |
| openstackgerrit | melanie witt proposed openstack/nova master: Add configuration of maximum disk devices to attach https://review.openstack.org/616777 | 06:42 |
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| openstackgerrit | Shilpa Devharakar proposed openstack/nova master: Ignore root_gb for BFV in simple tenant usage API https://review.openstack.org/612626 | 07:39 |
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| openstackgerrit | Jan Gutter proposed openstack/nova master: Convert vrouter legacy plugging to os-vif https://review.openstack.org/571325 | 08:42 |
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| openstackgerrit | Adrian Chiris proposed openstack/nova master: SR-IOV Live migration indirect port support https://review.openstack.org/620115 | 09:01 |
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| brinzhang | +lib/placement:start_placement_api:179 die 179 'placement-api did not start' | 09:30 |
| brinzhang | When I execute ./stack.sh report this error, anyone can give some help? | 09:31 |
| brinzhang | this is the local.conf file on my devstack http://paste.openstack.org/show/742619/ | 09:32 |
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| openstackgerrit | Zhenyu Zheng proposed openstack/nova master: Per-instance serial number https://review.openstack.org/619953 | 10:45 |
| Kevin_Zheng | the unstack script did not work correctly | 10:45 |
| Kevin_Zheng | brinzhang | 10:45 |
| Kevin_Zheng | delete all your devstack related files from site-enabled and site-availables | 10:46 |
| Kevin_Zheng | after unstack | 10:46 |
| Kevin_Zheng | then stack again | 10:46 |
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| brinzhang | Kevin_Zheng: I was unstack more than once, it always has this issue :( | 10:52 |
| Kevin_Zheng | yeah, you should clean up those files manually | 10:52 |
| Kevin_Zheng | before you call stack again | 10:52 |
| Kevin_Zheng | files in site-enabled and site-avialable | 10:53 |
| brinzhang | I don't particularly understand which files are included? | 10:53 |
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| brinzhang | For example the devstack folder? | 10:54 |
| Kevin_Zheng | and systemd files | 10:54 |
| Kevin_Zheng | check your apache2/site-enabled | 10:54 |
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| kashyap | time tox -e docs | 11:26 |
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| kashyap | Oeps, false window | 11:26 |
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| kashyap | stephenfin: Before I waste too much time on this, the `below <`Prerequisites`>__ hyperlink to a section in rST doesn't seem to fly :-( | 11:33 |
| kashyap | The result: http://logs.openstack.org/27/629627/5/check/openstack-tox-docs/bde0494/html/admin/Prerequisites | 11:33 |
| kashyap | Source on line-19: https://review.openstack.org/#/c/629627/5/doc/source/admin/secure-live-migration-with-qemu-native-tls.rst@19 | 11:33 |
| stephenfin | kashyap: Ah, whoops. `below <#Prerequisites>`__ | 11:34 |
| kashyap | Darn, was just reading the man page. | 11:34 |
| stephenfin | kashyap: Alternatively, :ref:`below <Prerequisites>` | 11:34 |
| kashyap | Yeah, read the :ref: too | 11:34 |
| kashyap | It is a so subtly frustrating that it tests my stoic skills. | 11:34 |
| kashyap | :D | 11:34 |
| kashyap | Thank you! | 11:35 |
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| kashyap | stephenfin: Strange, the former (with #) didn't work; now trying the latter. | 11:38 |
| kashyap | (By "didn't work", clicking on 'below' results in nothing.) | 11:39 |
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| kashyap | (Yep, the latter works. Most excellent.) | 12:09 |
| cdent | I'm going to write a book on RST. It's going to be a compelling tale of the master and his student, staring stephenfin and kashyap . It will sell millions | 12:13 |
| kashyap | Heh | 12:13 |
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| cdent | it will be framed as a series of vignettes | 12:14 |
| kashyap | Funny you mention vingettes— | 12:15 |
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| kashyap | The other day when my Dutch language teacher asked for ideas for "different kinds of creative writing", I sent the idea of vignettes | 12:16 |
| cdent | a worth style | 12:16 |
| cdent | worthy | 12:16 |
| kashyap | With an example pointing to the vignettes about "The House on the Mango Street" (the first story here: https://www.sausd.us/cms/lib/CA01000471/Centricity/Domain/457/The%20House%20on%20Mango%20Street.pdf) | 12:16 |
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| kashyap | cdent: But we ran out of time, we had our last class (and exam) of "level-10" yesterday. Next Monday are the results... | 12:18 |
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| kashyap | (But the teacher said she's going to do that vignet exercise for the next set of students.) | 12:18 |
| kashyap | Although nothing is stopping me from practising it myself. | 12:18 |
| cdent | good luck | 12:19 |
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| openstackgerrit | Kashyap Chamarthy proposed openstack/nova master: docs: Secure live migration with QEMU-native TLS https://review.openstack.org/629627 | 12:30 |
| brinzhang | Kevin_Zheng: Thanks for your help, my devstack | 12:31 |
| brinzhang | is ok now :) | 12:31 |
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| Kevin_Zheng | yw | 12:36 |
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| kashyap | stephenfin: Squashed all the additional into the main doc: https://review.openstack.org/629627 | 12:50 |
| kashyap | Rendered version: | 12:50 |
| kashyap | http://logs.openstack.org/27/629627/6/check/openstack-tox-docs/39c0a0b/html/admin/secure-live-migration-with-qemu-native-tls.html | 12:50 |
| kashyap | (All the damn hyperlinks work. :D) | 12:50 |
| dpawlik | kashyap: Hi, does Openstack documentation have any information, which cpu_model_extra_flags are "recommended" to enable? | 12:51 |
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| kashyap | dpawlik: Hi, I wrote some docuemntation for it, and linked to it as well | 12:51 |
| kashyap | Let me find | 12:51 |
| dpawlik | kashyap, thx | 12:52 |
| kashyap | dpawlik: A couple of URLs: | 12:53 |
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| kashyap | (1) See slides 35 (76 of 80) here: https://kashyapc.fedorapeople.org/Effective-Virtual-CPU-Configuration-in-Nova-Berlin2018.pdf | 12:53 |
| kashyap | (2) https://www.berrange.com/posts/2018/06/29/cpu-model-configuration-for-qemu-kvm-on-x86-hosts/ | 12:53 |
| kashyap | (3) https://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/ | 12:53 |
| dpawlik | kashyap: thank you :) | 12:54 |
| kashyap | (4) `grep` for "cpu_model_extra_flags" here: https://docs.openstack.org/nova/rocky/configuration/config.html | 12:54 |
| kashyap | That's it. | 12:54 |
| dpawlik | kashyap: I guess for now I will test just those PCID, VMX, pdpe1gb | 12:56 |
| dpawlik | I was thinking that there are more of them, that are recommended | 12:56 |
| kashyap | dpawlik: For Intel hosts, don't forget: "spec-ctrl", "ssbd" as well. | 12:57 |
| amorin | yes | 12:57 |
| dpawlik | kashyap: it will be nice to have "default suggested" features that should be enabled | 12:58 |
| dpawlik | right now I just add PCID and pdpe1gb | 12:59 |
| dpawlik | but about "spec-ctrl", "ssbd" i didn't know that they should be also enabled | 12:59 |
| kashyap | dpawlik: That "suggestion" is not as easy as it sounds -- because that requires several checks to be done. | 12:59 |
| kashyap | E.g. what host microcode you have, what host/guest kernel, what version of libvirt and QEMU | 12:59 |
| kashyap | And _then_, some magic code among libvirt/QEMU should do what you have and _then_ suggest something. | 13:00 |
| dpawlik | wow | 13:00 |
| kashyap | We had some discussion about this with the KVM/QEMU/libvirt folks at one of the recent confereces. More details to emerge... | 13:00 |
| kashyap | Until dpawlik Until then, I only have: "x86: Updating to patched vCPU models" section | 13:01 |
| dpawlik | it seems like table with "which features are available in which kernel version and qemu/libvirt" | 13:01 |
| * kashyap wonders if he should convert that LaTex slides into a proper single PDF (LaTex, of course) document. | 13:01 | |
| kashyap | But that has to wait... | 13:01 |
| dpawlik | kashyap: ack. Thanks a lot | 13:02 |
| kashyap | NP. | 13:02 |
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| ShilpaSD | mriedem: Hi, replied to your comment and uploaded patch https://review.openstack.org/#/c/612626/2, Please give your feedback on the latest patch. | 13:26 |
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| openstackgerrit | Jan Gutter proposed openstack/os-vif master: Clean up versioned object backlevelling code https://review.openstack.org/630976 | 13:48 |
| openstackgerrit | Maria Luisa Arches proposed openstack/nova master: Update network info during confirmed cold migration https://review.openstack.org/630978 | 13:51 |
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| alex_xu | will NUMACell.memory include the size of hugepages? | 14:03 |
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| stephenfin | alex_xu: No, it's just a basic values, i.e. what you'd get from 'cat /sys/devices/system/node/nodeN/meminfo | grep MemTotal' | 14:08 |
| stephenfin | *value | 14:08 |
| sean-k-mooney | actully i think it will | 14:08 |
| sean-k-mooney | the memory field should be the total memory on that numa node | 14:08 |
| sean-k-mooney | mem total include hugepages | 14:08 |
| stephenfin | Oh, I read that directly (as in would it have information about hugepages, which is actually reported via 'NUMACell.mempages') | 14:09 |
| alex_xu | I doesn't configure hugepage on my pc, so can't verify that... | 14:09 |
| sean-k-mooney | one sec ill post a past bin of the output | 14:10 |
| stephenfin | alex_xu: I can give you info from one of my machine, if you'd like | 14:10 |
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| stephenfin | Or, better yet, let sean-k-mooney do it :) | 14:10 |
| alex_xu | hah, I just want an answer :) | 14:10 |
| sean-k-mooney | http://paste.openstack.org/show/742643/ | 14:10 |
| sean-k-mooney | so i have 64GB of ram on that numa node | 14:10 |
| sean-k-mooney | Node 0 MemTotal: 65998248 kB | 14:11 |
| alex_xu | just want to ensure whether we have this problem https://review.openstack.org/#/c/629281/1/nova/virt/hardware.py@1050 or not | 14:11 |
| sean-k-mooney | i have hugepages allocated too "HugePages_Total: 27136" these are 2MB huge pages | 14:11 |
| stephenfin | alex_xu: I saw the comment, but I'm not sure I understand the actual problem. What do you think could go wrong? | 14:12 |
| stephenfin | Just saw you replied. Oops | 14:12 |
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| sean-k-mooney | instance_cell.memory is the amoung of guest ram | 14:13 |
| stephenfin | alex_xu: So I think you're saying that https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L982 could be wrong? | 14:13 |
| sean-k-mooney | on that virtual numa node | 14:13 |
| openstackgerrit | Kashyap Chamarthy proposed openstack/nova master: libvirt: A few miscellaneous items related to "native TLS" https://review.openstack.org/630980 | 14:13 |
| stephenfin | alex_xu: Or rather that 'host_cell.avail_memory' includes memory that's not actually available because it's used for hugepages | 14:13 |
| sean-k-mooney | this will be compared to the amount of ram available for the page size selected | 14:13 |
| stephenfin | alex_xu: Do I understand correctly? If so, I guess this would be easily checked. On a 64GB host, I create 34 1GB huge pages then try to boot a 32GB pinned instance. If it doesn't fail, we're likely overcommitting | 14:16 |
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| stephenfin | though if that is the case, it's a different bug again that I think we should probably handle in a follow-up | 14:16 |
| openstackgerrit | Kashyap Chamarthy proposed openstack/nova master: libvirt: A few miscellaneous items related to "native TLS" https://review.openstack.org/630980 | 14:16 |
| alex_xu | stephenfin: yes, that is the case I talk about | 14:17 |
| sean-k-mooney | host_cell.available is compareing free memory not total but the page size check is done by https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L1021-L1056 which is run after | 14:17 |
| kashyap | Damn it, one last respin | 14:17 |
| openstackgerrit | Kashyap Chamarthy proposed openstack/nova master: libvirt: A few miscellaneous items related to "native TLS" https://review.openstack.org/630980 | 14:17 |
| kashyap | (Sorry for the spam, folks.) | 14:18 |
| stephenfin | sean-k-mooney: Right, but I'm changing that here https://review.openstack.org/#/c/629281/1/nova/virt/hardware.py@1050 | 14:18 |
| stephenfin | sean-k-mooney: to allow overcommit if using the smallest pagesize | 14:18 |
| sean-k-mooney | yes i think it si still correct i like the wrong peice of code one sec | 14:19 |
| stephenfin | sean-k-mooney: Ah, yes. https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L982 is available memory, as you say, not total memory | 14:19 |
| stephenfin | but it's based on total memory (which could be include memory used for hugepages) minus memory consumed by instances | 14:21 |
| stephenfin | ugh, I need to check this locally again | 14:22 |
| sean-k-mooney | so you are changing _pack_instance_onto_cores to allow oversubsciption you are not modifying _numa_fit_instance_cell | 14:22 |
| sean-k-mooney | _pack_instance_onto_cores is called from _numa_fit_instance_cell_with_pinning which is called in _numa_fit_instance_cell after the check on line 1046 | 14:24 |
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| sean-k-mooney | sorry no ignore that | 14:24 |
| sean-k-mooney | gerrit is mseeing with me you are modifying _numa_fit_instance_cell | 14:25 |
| stephenfin | sean-k-mooney: I'm modifying _numa_cell_supports_pagesize_request which is called by _numa_fit_instance_cell | 14:26 |
| sean-k-mooney | stephenfin: in either case i think the code you have is correct | 14:27 |
| sean-k-mooney | can_fit_pagesize will only consider teh total or availbe memory for the specified page size which will always be less or equal to the total or available ram for the numa node | 14:29 |
| alex_xu | emm...the problem is overcommit, not less or equal to the total or avail ram | 14:30 |
| sean-k-mooney | this code is only ment to ensure the vm does not request more ram then is available for that pagesize on that numa node | 14:31 |
| sean-k-mooney | over commit from multiple vms is intended to be allowed for the smallest page size as we allow ram allocation ratios > 1 | 14:31 |
| sean-k-mooney | alex_xu: i take it that your are conserned that https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L1085-L1106 will not be correct with this change | 14:34 |
| alex_xu | yes, but that patch allow the overcommit for each numa cell, but in the later, we found it is cpu pinned instance, we only ensure it isn't overcommit by the amount memory for all the numa cells | 14:35 |
| alex_xu | sean-k-mooney: no, I concern this branch https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L1076-L1083... | 14:35 |
| sean-k-mooney | ah well i just spotted that stpehn has not allowed oversubscition here also which shoudl be allowed https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L982-L990 | 14:36 |
| sean-k-mooney | or rather this should not be checking host_cell.avail_memory it should be checking host_cell.memory | 14:37 |
| sean-k-mooney | or better it should be doing a page size aware check | 14:37 |
| stephenfin | I don't think I changed that | 14:37 |
| sean-k-mooney | stephenfin: you didnt that is my point | 14:37 |
| sean-k-mooney | if you dont chenge that pinned instance can still not have over subsribed memory which is part of the original bug | 14:38 |
| stephenfin | sean-k-mooney: Yes, that's what alex_xu is saying, I think :) | 14:38 |
| stephenfin | However, I should point out that this is yet another corner case that I think I should fix in a follow-up | 14:38 |
| alex_xu | sean-k-mooney: why that should check with host_cell.memory, sorry I didn't get the point | 14:39 |
| sean-k-mooney | stephenfin: well alex_xu is also makeing that such a check shoudl be page size aware | 14:39 |
| sean-k-mooney | alex_xu: checking avilable memory is checking free memory so it decresase with each vm booted | 14:40 |
| sean-k-mooney | so if i have 20 gigabes of memory and ram allocation raitio of 1.5 avilable will alow only 2 10G vms to both and total will allow 3 respecting the allocation ratio | 14:40 |
| alex_xu | sean-k-mooney: yea, that is we said not allow overcommit by checking free memory, right? | 14:41 |
| sean-k-mooney | alex_xu: over commit of ram is intended to be support for pinned instances | 14:41 |
| alex_xu | sean-k-mooney: ah...why | 14:41 |
| sean-k-mooney | stephenfin: if you chage it to patial bug then it can be a follow up but if you want it to be closed bug then it needs to be in this change | 14:42 |
| alex_xu | then I would say that isn't the problem of stephenfin's patch | 14:42 |
| openstackgerrit | Matt Riedemann proposed openstack/nova stable/rocky: Restore nova-consoleauth to install docs https://review.openstack.org/630997 | 14:42 |
| stephenfin | sean-k-mooney: You sure? It's very much a different bug | 14:42 |
| sean-k-mooney | alex_xu: the cpu pinning specs never forbid over subsription of memory and it was a bevhioral change that was intoduced in error after the fact with no spec | 14:42 |
| sean-k-mooney | stephenfin: its not from my point of view its the exact same bug | 14:43 |
| alex_xu | sean-k-mooney: ok, got it | 14:43 |
| alex_xu | so that is another thing now | 14:44 |
| sean-k-mooney | stephenfin: if you update the bug to specicialy state it dose not fix pinned instance and file a new bug then you could close the existing bug. i consider pinned instance to just be a special case of instnace with numa topologies | 14:45 |
| alex_xu | whatever...close to 11pm, I need to go to bed now | 14:46 |
| sean-k-mooney | alex_xu: good night o/ | 14:47 |
| maciejjozefczyk | stephenfin: hey, if you have a minute PTAL https://review.openstack.org/#/c/614167/ and https://review.openstack.org/#/c/591607. You have already reviewed that :) Thanks | 14:49 |
| stephenfin | maciejjozefczyk: Just working through the above hugepage issues atm, but I'll stick it on my review queue :) | 14:50 |
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| maciejjozefczyk | stephenfin: good luck :) | 14:50 |
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| sean-k-mooney | stephenfin: ill reply to the bug and suggest coverign the pinning issue in a follwo up patch | 14:53 |
| sean-k-mooney | as a seperate bug | 14:53 |
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| stephenfin | sean-k-mooney: I'm rather confused now http://paste.openstack.org/show/742644/ | 14:56 |
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| sean-k-mooney | looking | 14:58 |
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| sean-k-mooney | host_cell.avail_memory include hugepages | 15:00 |
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| sean-k-mooney | so the first instace boots | 15:01 |
| sean-k-mooney | and the second lets see | 15:01 |
| stephenfin | yup, I get that. What's up with the second one though | 15:01 |
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| stephenfin | I figured this would prevent that from happening https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L1021-L1036 | 15:01 |
| * stephenfin sticks in logs and tries again | 15:01 | |
| ShilpaSD | mriedem: Hi, replied to your comment and uploaded patch https://review.openstack.org/#/c/612626/2, Please give your feedback on the latest patch. | 15:02 |
| sean-k-mooney | stephenfin: is this a dual numa system | 15:02 |
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| stephenfin | shouldn't matter. I've configured the same amount of hugepages for both, and both sockets appear to have ~ the same amount of memory | 15:02 |
| sean-k-mooney | i see form the free you have 6.7G free but the cat command shows ~400MB free so im guessing its booting on numa node 1 | 15:03 |
| sean-k-mooney | stephenfin: you have configred 16GB of hugepages total | 15:03 |
| stephenfin | sean-k-mooney: Yup, 8GB per node | 15:03 |
| sean-k-mooney | so there are 8G of small pages on each node some of which are used by the os | 15:04 |
| sean-k-mooney | oh its a 10G vm not 1G | 15:04 |
| stephenfin | Yup | 15:04 |
| stephenfin | Sorry, should have highlighted that | 15:04 |
| stephenfin | 16 GB per node - 8 GB 2M hugepages should leave only 8 GB usable small pages per node | 15:05 |
| sean-k-mooney | no i just missed the 0 at the end | 15:05 |
| sean-k-mooney | yep | 15:05 |
| stephenfin | So a 10 GB instance should fall flat on its face | 15:05 |
| sean-k-mooney | so rather then looking at this output its better to look at libvirts | 15:05 |
| sean-k-mooney | also what is your ram allocation ratio set to im assuming 1.5 | 15:06 |
| stephenfin | 16.0 | 15:06 |
| stephenfin | manually set | 15:06 |
| stephenfin | shouldn't matter for hugepages though | 15:06 |
| sean-k-mooney | your ram is set to 16 | 15:06 |
| sean-k-mooney | true | 15:06 |
| sean-k-mooney | do you have your patch applied or master | 15:07 |
| stephenfin | my patch | 15:07 |
| sean-k-mooney | with an explicit pagesize of small we expect https://github.com/openstack/nova/blob/89c2d1056b3f37bad243c7468d974ded71336a0f/nova/virt/hardware.py#L623-L649 to reject it correct | 15:09 |
| stephenfin | Yes, that would be my expectation | 15:10 |
| sean-k-mooney | so you have not modifed that in your patch so that is either broken and has always been or there is something else going on | 15:11 |
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| sean-k-mooney | well you changed the name of the fuction it calls but otherwise its the same | 15:12 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: The field instance_name was added to InstanceCreatePayload https://review.openstack.org/627967 | 15:27 |
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| openstackgerrit | Jan Gutter proposed openstack/os-vif master: Clean up versioned object backlevelling code https://review.openstack.org/630976 | 15:36 |
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| sean-k-mooney | stephenfin: looks like i was wrong about pinning and memory oversubsription. https://github.com/openstack/nova/commit/892e4032acea379bac6d1ae18fc5271ea17c0131 the intel implementation did not prevent it and the spec did not appove that behavior as a result we do not document it https://docs.openstack.org/nova/pike/admin/cpu-topologies.html#customizing-instance-cpu-pinning-policies. i consider that a | 15:40 |
| sean-k-mooney | long term but which i think we should resolve seperatly | 15:40 |
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| mdbooth | cdent: Don't suppose you submitted that tox.ini patch, did you? | 15:49 |
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| mdbooth | cdent: NM, some gerrit-fu was a match to the task | 15:50 |
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| mriedem | lyarwood: is the conflict in here still valid? https://review.openstack.org/#/c/627958/ | 15:52 |
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| lyarwood | mriedem: yeah it's actually due to I217fba9138132b107e9d62895d699d238392e761 landing in stable/rocky after the initial PS I posted | 15:53 |
| openstackgerrit | Matt Riedemann proposed openstack/nova stable/rocky: libvirt: Add workaround to cleanup instance dir when using rbd https://review.openstack.org/627958 | 15:53 |
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| mriedem | lyarwood: yeah fixe | 15:54 |
| mriedem | *fixed | 15:54 |
| lyarwood | huh, I don't get it anymore, weird. | 15:55 |
| lyarwood | okay well it wasn't clean just after that landed but is now, meh! | 15:55 |
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| openstackgerrit | Kashyap Chamarthy proposed openstack/nova master: docs: Secure live migration with QEMU-native TLS https://review.openstack.org/629627 | 16:20 |
| openstackgerrit | Kashyap Chamarthy proposed openstack/nova master: libvirt: A few miscellaneous items related to "native TLS" https://review.openstack.org/630980 | 16:20 |
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| kashyap | (Okay, let's put the bikeshed paint back in the cellar.) | 16:20 |
| openstackgerrit | Jan Gutter proposed openstack/os-vif master: Clean up versioned object backlevelling code https://review.openstack.org/630976 | 16:22 |
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| cdent | mdbooth: did you find (and then try) that py37 tox fix? I was on the wrong machine to be able to give it a totally robust check | 16:53 |
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| mdbooth | cdent: Yes. Tested locally, all good. | 16:57 |
| cdent | mdbooth: great, thanks | 16:57 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Send context.global_id on neutron calls https://review.openstack.org/627034 | 16:58 |
| mdbooth | cdent: I rebased my current work on top of it for convenience. | 16:58 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova stable/rocky: Send context.global_id on neutron calls https://review.openstack.org/627603 | 16:59 |
| openstackgerrit | Matt Riedemann proposed openstack/nova stable/queens: Send context.global_id on neutron calls https://review.openstack.org/627604 | 17:01 |
| mdbooth | cdent: It breaks my 'testone' script, though, by not using the 'py37' env any more :/ I note that's by design, though. | 17:03 |
| cdent | tis | 17:03 |
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| cfriesen | mriedem: so I guess the "specify timeout per live migration request" spec kind of died on the vine? | 17:06 |
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| openstackgerrit | Matt Riedemann proposed openstack/python-novaclient master: Add a note in "nova service-delete" help about deleting computes https://review.openstack.org/627637 | 17:20 |
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| eandersson | It's still not possible to make weights plugins right? | 17:39 |
| mriedem | stephenfin: does the latest version of https://review.openstack.org/#/c/623564/ fix your problem? | 17:42 |
| stephenfin | mriedem: Knee deep in hugepage issues and don't want to unload that context. I can check first thing tomorrow though and post my feedback on the review | 17:43 |
| sean-k-mooney | mriedem: that is in relate to sqlite | 17:44 |
| sean-k-mooney | mriedem: i can test that locally with a docker container and comment back | 17:44 |
| stephenfin | sean-k-mooney: *changes in sqlite highlighted by sqlalchemy-migrate | 17:44 |
| sean-k-mooney | right so if i clone that change an pip install it into my test env i should be able to test it with sqlite 3.26 | 17:46 |
| sean-k-mooney | so i can repoduce the bug locally again and manully test this since your busy | 17:46 |
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| jaypipes | gibi: sorry, when is the bw scheduling hangout? | 17:52 |
| sean-k-mooney | jaypipes: ehterpad say jan 18th at 17:00 utc | 17:53 |
| sean-k-mooney | https://etherpad.openstack.org/p/bandwidth-way-forward | 17:53 |
| jaypipes | sean-k-mooney: danke | 17:53 |
| sean-k-mooney | it was originally ment to be an hour ago but was moved | 17:53 |
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| jaypipes | ack, I remember it moved but couldn't remember the new time. now on my calendar. thx again | 17:54 |
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| openstackgerrit | Stephen Finucane proposed openstack/nova master: Fix overcommit for NUMA-based instances https://review.openstack.org/629281 | 18:06 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: Handle libvirt reporting incorrect 4k page quantities https://review.openstack.org/631038 | 18:06 |
| stephenfin | sean-k-mooney: ^ | 18:06 |
| stephenfin | alex_xu: too ^ | 18:06 |
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| sean-k-mooney | stephenfin: mriedem: commented on https://review.openstack.org/#/c/623564/7. | 18:09 |
| mriedem | thanks | 18:10 |
| mriedem | zzzeek: are you ok with https://review.openstack.org/#/c/623564/ now? | 18:10 |
| sean-k-mooney | stephenfin: looking. i assuem that with both applied the guest with explcit small pages now works? | 18:12 |
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| stephenfin | sean-k-mooney: Yeah, the second test case from paste.openstack.org/show/742644/ now does what I'd expect | 18:13 |
| stephenfin | testing the first case now | 18:13 |
| sean-k-mooney | ack | 18:13 |
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| sean-k-mooney | stephenfin: left a comment on https://review.openstack.org/#/c/631038/1 | 18:29 |
| cdent | thanks for the review on the gabbi-tempest stuff jaypipes . your comment is exactly why I like it too | 18:30 |
| sean-k-mooney | cdent: gabbi-tempest test for placemet? | 18:31 |
| melwitt | mriedem: thanks for the comments on the potential to leak host-related info here https://review.openstack.org/#/c/624832/5/nova/compute/manager.py I think the approach similar to InvalidBDM sounds safer, so I'm gonna respin | 18:31 |
| cdent | sean-k-mooney: for nova: https://review.openstack.org/#/c/613386/6 | 18:31 |
| jaypipes | cdent: I'm giddy to get me some good ol' gabbi. | 18:33 |
| cdent | you've installed your alliterative poet guise today | 18:34 |
| sean-k-mooney | ah i see. can gabbi also be used to simulatate an api? e.g. can i write the gabbits locally without needing and openstack/tempest deployment | 18:34 |
| melwitt | cdent: I was about the say the same thing. alliterations and rhymes today I see | 18:34 |
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| cdent | sean-k-mooney: something needs to host the api. it can either be "live" like that tempest stuff, or with wsgi-intercept, as the placement functional tests do it | 18:35 |
| sean-k-mooney | cdent: ah yes that was basically my intendt e.g. could you test it with say a tox job or something | 18:36 |
| sean-k-mooney | *env | 18:36 |
| sean-k-mooney | but ya that seams cool | 18:36 |
| jaypipes | cdent: I blame efried for that. | 18:37 |
| cdent | sean-k-mooney: have a look at the placement functional test setup, in tox | 18:37 |
| jaypipes | cdent: it was his surge to purge the scourge of safe_connect that pushed me over the verge. | 18:37 |
| sean-k-mooney | in any case ya it will be nice to seperate out real api test form senario tests | 18:37 |
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| sean-k-mooney | the distiction in my head is if you need to ping or ssh to the vm to check something its a senario test. or in other words you should be able to execute the api tests using fake compute nodes but senario test need real instances | 18:39 |
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| sean-k-mooney | cdent: is the intent to eventurlly remove the current compute api test form tempest and migrate them to this? | 18:43 |
| cdent | sean-k-mooney: I don't really have a plan or intent. I simply created that so people could see it and think about the options | 18:44 |
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| sean-k-mooney | ok the yaml format certenly seams simpler then the tempest python api to do the same. | 18:45 |
| sean-k-mooney | that said im not that familar with tempest eiter so for someone who is that may not hold true | 18:45 |
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| stephenfin | sean-k-mooney, alex_xu: Yup, there's an issue there. It's a different bug though. Would have happened with/without sahid's patch http://paste.openstack.org/show/742676/ | 18:51 |
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| sean-k-mooney | the bug being https://bugs.launchpad.net/nova/+bug/1811870 | 18:53 |
| openstack | Launchpad bug 1811870 in OpenStack Compute (nova) "libvirt reporting incorrect value of 4k (small) pages" [Undecided,New] | 18:53 |
| stephenfin | sean-k-mooney: Nah, I'm saying it's different to https://launchpad.net/bugs/1810977 | 18:53 |
| openstack | Launchpad bug 1810977 in OpenStack Compute (nova) "Oversubscription broken for instances with NUMA topologies" [Medium,In progress] - Assigned to Stephen Finucane (stephenfinucane) | 18:53 |
| stephenfin | though it's also nothing to do with https://bugs.launchpad.net/nova/+bug/1811870 | 18:53 |
| stephenfin | three bugs in the same piece of the code. Fun! | 18:53 |
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| sean-k-mooney | well the best things come in threes | 18:54 |
| stephenfin | that's what they told me in Amsterdam | 18:55 |
| * sean-k-mooney read you past again | 18:55 | |
| sean-k-mooney | *read your paste... i cant type some times | 18:56 |
| sean-k-mooney | agh reads.... | 18:56 |
| mriedem | melwitt: ack | 18:57 |
| mriedem | melwitt: so are you just going to work that into https://review.openstack.org/#/c/616777/ then? | 18:57 |
| mriedem | with the new TooManyDiskDevices exception? | 18:57 |
| melwitt | mriedem: yeah, that's what I was realizing. the problem is that the "Failure prepping block device" squashes everything in instance fault message. because, if I back out that one commit (the propagate commit) then I get InvalidBDM, but I don't get that message in the instance fault (where the user can see it) | 18:59 |
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| melwitt | mriedem: yeah, sorry, I guess if I just catch TooManyDiskDevices specifically (in the same area as the Exception catch-all that squashes), then I could do it | 19:00 |
| mriedem | i left a comment in the top patch - if TooManyDiskDevices extends InvalidBDM then you get that handling for free | 19:01 |
| mriedem | either works | 19:01 |
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| melwitt | yeah, I see that now. thanks | 19:01 |
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| openstackgerrit | melanie witt proposed openstack/nova master: Add method to generate device names universally https://review.openstack.org/573066 | 19:18 |
| openstackgerrit | melanie witt proposed openstack/nova master: Add configuration of maximum disk devices to attach https://review.openstack.org/616777 | 19:18 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: Handle libvirt reporting incorrect 4k page quantities https://review.openstack.org/631038 | 19:19 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: Fix overcommit for NUMA-based instances https://review.openstack.org/629281 | 19:19 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: Make overcommit check for pinned instance pagesize aware https://review.openstack.org/631053 | 19:19 |
| stephenfin | sean-k-mooney: Done | 19:19 |
| stephenfin | and now I'm off home to watch the UK strap itself even tighter to that stake -_- | 19:20 |
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| sean-k-mooney | stephenfin: ya instead of popcorn maybe lyarwood should have grabed wiskey | 19:21 |
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| stephenfin | sean-k-mooney: indeed :) | 19:23 |
| stephenfin | meanwhile, mriedem: you'll hate this https://review.openstack.org/#/c/631038/ cfriesen would no doubt be interested too, if he were around | 19:23 |
| mriedem | commented | 19:27 |
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| openstackgerrit | Merged openstack/nova stable/rocky: Add links to summit videos in user/cells.rst https://review.openstack.org/627019 | 19:38 |
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| sean-k-mooney | a nice simple change for people to review https://review.openstack.org/#/c/573066/10 | 19:53 |
| sean-k-mooney | that said i guess we are still waiting on zuul | 19:54 |
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| lyarwood | sean-k-mooney: all brexit related donations of whiskey welcome in the coming days ;) | 20:10 |
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| openstackgerrit | Jack Ding proposed openstack/nova master: [WIP] Flavor extra spec and image properties validation https://review.openstack.org/620706 | 20:13 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Reduce calls to placement from _ensure https://review.openstack.org/615677 | 20:21 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Consolidate inventory refresh https://review.openstack.org/615695 | 20:21 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Commonize _update code path https://review.openstack.org/615705 | 20:21 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Rip the report client out of SchedulerClient https://review.openstack.org/617042 | 20:21 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Rip out the SchedulerClient https://review.openstack.org/617049 | 20:21 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Use a static resource tracker in compute manager https://review.openstack.org/620711 | 20:21 |
| efried | jaypipes, cdent, mriedem: Thanks for the reviews, these should be ready now ^^^ | 20:21 |
| jaypipes | efried: np. will re-review tomorrow morn. | 20:23 |
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| efried | jaypipes: Thanks. | 20:36 |
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| cdent | thanks efried I'll also look tomorrow | 20:46 |
| efried | cdent: Are you on your way out, or can you help me understand https://review.openstack.org/#/c/630745/ quick? | 20:46 |
| cdent | I can look | 20:46 |
| cdent | efried: what's the confusion? | 20:47 |
| efried | first, the commit message makes it sound like there would be a conflict between zuul and tox somehow. I thought each ignored the other. | 20:47 |
| cdent | the tox-siblings functionality used by zuul only works if the tox name and the tox env have he same name, becuse it does some digging around in the tox directory | 20:48 |
| cdent | that was discussed in the change which extracted placement: | 20:48 |
| cdent | (the functional test changes for that, I mean): | 20:48 |
| efried | methinks stephenfin ought to be a reviewer on this patch... | 20:48 |
| cdent | https://review.openstack.org/#/c/617941/ | 20:49 |
| cdent | efried: it's literally: make functional-py37 the same as py36 | 20:49 |
| cdent | py36 already works | 20:49 |
| cdent | py37 does not | 20:49 |
| cdent | py37 was merged at the same time as the placement external fixture stuff | 20:49 |
| cdent | it's just a merge conflict that didn't get caught because we don't do functional-py37 in the gate | 20:50 |
| efried | cdent: So yeah, that was #2: would the problem be exposed by changing .zuul.yaml to add the py37 job, then prove this "fixes" it by rebasing that change on this one? | 20:50 |
| cdent | I didn't want to add the functional-py37 job becuase there isn't consensus to have that in nova yet, and mdbooth already confirmed it by hand | 20:50 |
| efried | Okay. #3, is there (or should there be) a bug about this? | 20:51 |
| cdent | #3: meh | 20:51 |
| cdent | isn't that just overhead, especially since functional-py37 is a nice to have, not a thing we do in the gate that is impacting many | 20:51 |
| cdent | it only showed up because mdbooth encountered some troubles | 20:52 |
| cdent | why not just fix it and get it over with? | 20:52 |
| efried | wfm, just ticking the boxes. | 20:52 |
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| melwitt | efried: came across this bug which has something to do with Power8. would you mind taking a look and commenting if any of it makes sense to you? https://bugs.launchpad.net/nova/+bug/1776929 | 21:28 |
| openstack | Launchpad bug 1776929 in OpenStack Compute (nova) "Web Console for Power8 KVM guest sends mouse events to guest mouse instead of guest tablet?" [Undecided,New] | 21:28 |
| efried | melwitt: Neat. We should talk to somebody at IBM about that. mmedvede? | 21:28 |
| efried | melwitt: Even when I worked for IBM (lo those many days ago) I never knew squat about power *k*vm. | 21:29 |
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| mmedvede | efried: hehe, I'll take a look. I'll probably need to find someone who is more knowledgeable about this than me | 21:30 |
| melwitt | ok. I don't know anything about power or power kvm so just looking for someone who knows more than me to help triage | 21:30 |
| efried | mmedvede: I'm counting on six degrees here. For sure you'd be one degree closer than me. | 21:30 |
| melwitt | thanks mmedvede | 21:30 |
| efried | melwitt: you, me, mmedvede - three degrees to go. | 21:30 |
| efried | #save | 21:37 |
| efried | damn | 21:37 |
| melwitt | mriedem: reading through your comments. when I said "returns 500" for the server create, I meant via the server fault message. correct that the API returns 202 | 21:42 |
| mriedem | ok i read that as 500 response | 21:44 |
| melwitt | yeah, I know. it needs more context to be clear | 21:45 |
| melwitt | meaning the comment needs to be better or different | 21:45 |
| mriedem | some of my other comments are musing on side effects of this that could break other things, like rebuild/evacuate/unshelve, but that doesn't necessarily mean you need to change anything | 21:46 |
| mriedem | if the operator f*s you by dropping the limit and then you rebuild and blow up, that's on the operator | 21:46 |
| melwitt | yeah | 21:49 |
| melwitt | I'll go through the comments in detail and add to the patch to have more information where you've pointed out | 21:51 |
| mriedem | melwitt: were you going to abandon https://review.openstack.org/#/c/624832/ ? | 21:54 |
| melwitt | mriedem: yeah. wanted to wait for feedback before doing. sounds like it's clear to abandon now | 21:55 |
| mriedem | yeah i think what you have in the last patch in the series would be sufficient | 21:55 |
| mriedem | thinking about that, you could work that as an assertion wrinkle into the functional test for bfv | 21:55 |
| mriedem | assert that too many devices is in the fault | 21:55 |
| melwitt | I thought I did already. /me looks again | 21:56 |
| mriedem | yeah you did, nvm | 21:56 |
| mriedem | just looked again | 21:56 |
| melwitt | k | 21:57 |
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| mriedem | dansmith: random question: you know how the context loses it's cell targeting when it goes over rpc, and then in conductor methods like unshelve_instance we have the targets_cell decorator to re-target the context based on the instance - what happens with the instance._context that is also originally targeted to the cell when the instance is retrieved in the API and it goes over rpc? | 22:30 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Reduce calls to placement from _ensure https://review.openstack.org/615677 | 22:30 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Consolidate inventory refresh https://review.openstack.org/615695 | 22:30 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Commonize _update code path https://review.openstack.org/615705 | 22:30 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Rip the report client out of SchedulerClient https://review.openstack.org/617042 | 22:30 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Rip out the SchedulerClient https://review.openstack.org/617049 | 22:30 |
| openstackgerrit | Eric Fried proposed openstack/nova master: Use a static resource tracker in compute manager https://review.openstack.org/620711 | 22:31 |
| mriedem | does that retain the targeting? because i don't see is re-targeting the instance._context, but yet instance.save() works | 22:31 |
| mriedem | *us | 22:31 |
| * efried can't wait until he can tox locally | 22:31 | |
| dansmith | mriedem: the _context for the objects doesn't go over rpc either, if that's what you're asking | 22:32 |
| dansmith | mriedem: you get a new context on de-serialize from whatever context was used for the rpc call | 22:32 |
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| mriedem | ok i'm lost on where that happens | 22:34 |
| mriedem | for the instance._context i mean | 22:34 |
| dansmith | where the _context gets rebuilt on deserialize? | 22:35 |
| mriedem | yeah | 22:35 |
| dansmith | it's deep, probably in ovo, but I can look | 22:35 |
| dansmith | either way.. why? | 22:35 |
| dansmith | I fear these questions come from a readiness to abuse something :) | 22:35 |
| mriedem | because i was rebasing and looking at this again https://review.openstack.org/#/c/627890/2/nova/compute/manager.py@5990 where i'm sending an instance and context, targeted at the source cell, to a host in the target cell | 22:36 |
| mriedem | and that won't work | 22:36 |
| mriedem | i know about targets_cell to retarget the context in the conductor methods, but am wondering where the instance._context is re-targeted so it can continue to do things like instance.save() in conductor | 22:36 |
| mriedem | and have those changes go back to the source cell db | 22:37 |
| dansmith | it won't be re-targeted, it will be un-targeted | 22:37 |
| mriedem | because of the cheating serializer in our tests, chances are i'll be writing a lot of code before i really find out in test if i'm screwing something up fundamental here | 22:37 |
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| dansmith | mriedem: the rpc layer calls, via the serializer and _process_object(), the obj_from_primitive, which does: https://github.com/openstack/oslo.versionedobjects/blob/master/oslo_versionedobjects/base.py#L392 | 22:38 |
| mriedem | ok so if instance._context is untargeted, and you unshelve, which is in superconductor and presumably is configured for [database]/connection = cell0, where are those instance.save() updates going? | 22:38 |
| dansmith | mriedem: they'd try to go to cell0 and just fail because save() can't find the instance to update | 22:39 |
| mriedem | i'm not sure how tempest isn't blowing up then | 22:39 |
| dansmith | surely because we run through an @targets_cell somewhere yeah? | 22:40 |
| mriedem | ComputeTaskManager.unshelve_instance in conductor has targets_cell yeah | 22:41 |
| mriedem | so that hits before we deserialize? | 22:41 |
| dansmith | after | 22:41 |
| mriedem | and instance._context is getting targeted by reference? | 22:42 |
| dansmith | yeah because instance._context _is_ context | 22:42 |
| mriedem | yeah ok | 22:42 |
| mriedem | ok you can go back to watching jeapordy! now. i'll ask you about this again in another couple of years. :P | 22:43 |
| dansmith | hah | 22:43 |
| dansmith | is that when you're targeting cross-cell resize? | 22:43 |
| dansmith | (to be done... in a couple years) | 22:44 |
| mriedem | umm | 22:44 |
| dansmith | just poking | 22:44 |
| mriedem | i believe march 30 was my given deadline | 22:44 |
| dansmith | I totes believe it | 22:44 |
| mriedem | after which point i will be fired and working at our local video rental place | 22:44 |
| mriedem | of which there is 1 | 22:44 |
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| mriedem | or, the TSA, i hear things are going well for employees there | 22:45 |
| dansmith | at least you have options | 22:45 |
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| dansmith | haha | 22:45 |
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