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| morganfainberg | oh bearhands is lurking in here now! hi there! [just realized you stuck around post convo re: keystoneclient] | 00:12 |
|---|---|---|
| bearhands | i did :) | 00:13 |
| bearhands | might as well keep it in my list of other million channels | 00:13 |
| bearhands | er, with my other | 00:13 |
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| openstackgerrit | A change was merged to openstack/keystone-specs: Template cleanup - RST docs https://review.openstack.org/96886 | 01:22 |
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| openstackgerrit | A change was merged to openstack/keystone: Updated from global requirements https://review.openstack.org/91225 | 01:38 |
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| morganfainberg | ayoung, stevemar, https://bugs.launchpad.net/keystone/+bug/1325143 | 01:56 |
| uvirtbot | Launchpad bug 1325143 in keystone "Eliminate use of with_lockmode('update')" [High,Triaged] | 01:56 |
| morganfainberg | going to need to (likely) get that backported to icehouse. | 01:56 |
| * morganfainberg grumbles. | 01:56 | |
| ayoung | feh | 01:57 |
| morganfainberg | ayoung, stevemar, if you have thoughts on how to handle the last scenario (separate systems multiple keystone processes) for coordiantion on consuming trusts, it would be good. | 01:57 |
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| stevemar | morganfainberg, eww that one is nasty | 02:07 |
| morganfainberg | stevemar, yep. | 02:08 |
| stevemar | morganfainberg, who even found that one? | 02:08 |
| morganfainberg | read the thread. | 02:08 |
| morganfainberg | but in short | 02:08 |
| morganfainberg | the operators sessions @ ATL | 02:09 |
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| ayoung | morganfainberg, the link is dead | 02:09 |
| ayoung | lost the l...got it | 02:09 |
| morganfainberg | sec. | 02:09 |
| morganfainberg | ayoung, thanks | 02:10 |
| ayoung | morganfainberg, where does Keystone do select for update? | 02:11 |
| ayoung | (limited use trusts). only? | 02:11 |
| morganfainberg | ayoung, in trusts yep | 02:11 |
| morganfainberg | ayoung, why it's marked as medium | 02:11 |
| ayoung | morganfainberg, OK...let me think about it. There should be some sort of test_and_set semantics we can use, but...its a FUcking DATABASE! REFERNTIAL INTEGRITY | 02:12 |
| morganfainberg | it's a good thing we didn't get around to wrapping a bunch of the other calls in lockmode('update') | 02:12 |
| ayoung | MySQL is a TOY! | 02:12 |
| morganfainberg | the answer is obviously POSTGRES | 02:12 |
| ayoung | morganfainberg, OK...the only way I can think of right now is to never update a rcord, only add new | 02:13 |
| morganfainberg | ayoung, still could race and end up with issueing more tokens | 02:13 |
| ayoung | morganfainberg, of course there is...this is why that is broken | 02:13 |
| ayoung | this is an unsolvable problem | 02:13 |
| ayoung | CAP theorem type stuff and they chose the wrong two | 02:13 |
| morganfainberg | we could let it race. call it "we do best effort to limit token issuance" | 02:14 |
| ayoung | otherwise we need a quorum....its just ugly and worng | 02:14 |
| ayoung | wrong | 02:14 |
| morganfainberg | yep. its a very hard problem for (thankfully) limited exposure | 02:15 |
| ayoung | is there any sort of coordination mechanism in the galera case? | 02:15 |
| morganfainberg | well -- hmmm | 02:15 |
| morganfainberg | ayoung, use zookeeper / external locking service | 02:16 |
| ayoung | morganfainberg, 1 update all records adding a lock field | 02:16 |
| ayoung | 2 update all records with the lower count | 02:16 |
| ayoung | 3 update all records remove the lock | 02:17 |
| ayoung | actually...it needs to be a semaphore, doesn't it? | 02:17 |
| morganfainberg | yep | 02:17 |
| ayoung | I think in this case we can afford to be slow | 02:17 |
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| morganfainberg | we could use the external file-lock decorator if we wanted. | 02:17 |
| morganfainberg | the only hard case is multiple keystones on multiple physical servers | 02:18 |
| morganfainberg | unfortunately for us, that is a real deployment configuration | 02:18 |
| morganfainberg | that a lot of people use | 02:18 |
| ayoung | https://groups.google.com/forum/#!msg/codership-team/Au1jVFKQv8o/QYV_Z_t5YAEJ | 02:18 |
| ayoung | morganfainberg, I'll let you handle this...I'm going to wash the dishes and go to bed. I've a Birthday party with 40 screaming 5 yearsolds in the morning | 02:19 |
| morganfainberg | haha good luck, you'll need it! | 02:19 |
| ayoung | morganfainberg, we rented a gym | 02:19 |
| ayoung | gnight | 02:19 |
| morganfainberg | if i can figure something useful out i'll post a review. | 02:19 |
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| openstackgerrit | OpenStack Proposal Bot proposed a change to openstack/keystone: Imported Translations from Transifex https://review.openstack.org/97005 | 06:00 |
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| openstackgerrit | A change was merged to openstack/keystone: Refactor driver_hints https://review.openstack.org/93992 | 10:50 |
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| openstackgerrit | Dirk Mueller proposed a change to openstack/keystone: Consistenly use jsonutils instead of json https://review.openstack.org/97039 | 17:51 |
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| openstackgerrit | Morgan Fainberg proposed a change to openstack/keystone: Convert explicit session get/being to transaction context https://review.openstack.org/97058 | 22:31 |
| openstackgerrit | Morgan Fainberg proposed a change to openstack/keystone: Remove `with_lockmode` use from Trust SQL backend. https://review.openstack.org/97059 | 22:32 |
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| openstackgerrit | Morgan Fainberg proposed a change to openstack/keystone: Remove `with_lockmode` use from Trust SQL backend. https://review.openstack.org/97059 | 22:39 |
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