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openstackgerrit | Chris Dent proposed openstack/placement master: Enhance debug logging in allocation candidate handling https://review.opendev.org/659522 | 10:24 |
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openstackgerrit | Chris Dent proposed openstack/placement master: WIP: Try to get perfload api log htmlified https://review.opendev.org/659525 | 10:41 |
openstackgerrit | Chris Dent proposed openstack/placement master: Enhance debug logging in allocation candidate handling https://review.opendev.org/659522 | 10:45 |
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openstackgerrit | Chris Dent proposed openstack/placement master: Allow [A-Z0-9_-]{1,64} for request group suffix https://review.opendev.org/657419 | 12:32 |
openstackgerrit | Chris Dent proposed openstack/placement master: WIP: Allow RequestGroups without resources https://review.opendev.org/657510 | 12:32 |
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efried | cdent: We held a brief placement meeting on Monday. Do you want me to summarize in the nova meeting? | 13:53 |
cdent | if you like | 13:53 |
efried | ight | 13:56 |
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cdent | edleafe: can you weigh in on https://etherpad.openstack.org/p/placement-ptg-train-rfe-voter and https://review.opendev.org/#/c/657419/ please and thank you | 14:37 |
cdent | mriedem: you too | 14:37 |
edleafe | cdent: added to my queue | 14:37 |
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cdent | I'm trying a thing. I've hit 8 hours. See you tomorrow. | 16:17 |
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-openstackstatus- NOTICE: Gerrit is being restarted to add gitweb links back to Gerrit. Sorry for the noise. | 17:37 | |
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edleafe | efried: when you have a minute, can you explain the difference between an anchor provider and a root provider in this method? https://github.com/openstack/placement/blob/master/placement/objects/resource_provider.py#L337 | 20:41 |
mriedem | one goes in the ground, one goes in the water | 20:51 |
mriedem | har har yar mateys! | 20:51 |
efried | nice | 20:51 |
efried | edleafe: An anchor provider is the root of the tree with which the sharing provider is associated in a particular allocation request. | 20:52 |
edleafe | so the anchor is the root?? | 20:52 |
edleafe | Then what is the root provider? | 20:53 |
efried | The `rp_ids` params will be IDs of sharing providers. The roots of those sharing providers are *not* something we care about. | 20:53 |
efried | In practical nova terms, if rp_ids is a list of NFSes and cephs, associated by aggregate with compute nodes, the method will return the root provider IDs of the compute nodes. | 20:54 |
edleafe | I guess the sentence that is most confusing is "The sharing provider may or may not itself be part of a tree; in either | 20:56 |
edleafe | case, an entry for this root provider is included in the result. | 20:56 |
efried | yes, I think that comment is wrong. | 20:56 |
efried | I think /root/d and it's correcter | 20:56 |
efried | because I'm pretty sure we don't return the root of the sharing provider's tree. | 20:57 |
edleafe | OK, so all that needs to return is the compute node RPs that are associated with the supplied shared ids | 20:57 |
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efried | correct. | 20:58 |
edleafe | thanks | 20:58 |
efried | hm, I don't actually see where we're resolving to root provider IDs. | 20:58 |
efried | oh, there it is. | 20:58 |
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edleafe | Or it could just be this: | 21:10 |
edleafe | MATCH (anchor:RESOURCE_PROVIDER)-[*]->()-[:ASSOCIATED]->(shared:RESOURCE_PROVIDER) | 21:10 |
edleafe | WHERE shared.uuid in %s | 21:10 |
edleafe | RETURN anchor, shared | 21:10 |
edleafe | :) | 21:10 |
efried | edleafe: return anchor.root_provider_[uu]id, but yeah. | 21:23 |
edleafe | efried: actually, that would be redundant. The first element of the relation is the root (called 'anchor' above). It's UUID is part of the returned result. There is no explicit parent_ or root_ uuids; that's all expressed in the relations | 21:25 |
efried | okay | 21:25 |
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