Tuesday, 2017-05-16

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Yumenghidekazu: hi07:09
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Yumenghidekazu: I want to check with you if watcher allows multiple aduits in "ONGING" state at the same time? what if the audits are continuous?07:11
hidekazuYumeng: run two continuous audit at the same time?07:14
hidekazuYumeng: i have never run..07:14
Yumenghidekazu: ok. so if the two audits are oneshot, then it is possible to run them at the same time?07:16
hidekazuYumeng: i know we use only single workflow plugin though.07:16
hidekazuYumeng: do you have use case for that?07:18
Yumenghidekazu: can you please explain "single workflow plugin" a bit more?07:19
Yumenghidekazu: does that mean we should run audit one by one?07:20
hidekazuYumeng: i have heard before , watcher_planners07:21
hidekazuYumeng: if two strategy uses the same watcher_planners , it's ok.07:22
hidekazuYumeng: I forgot detail though, because i do not have usecase.07:24
Yumenghidekazu: ok. Make sense to me!07:26
Yumenghidekazu: Thank you !07:26
hidekazuYumeng: I found [watcher_planner] section in watcher.conf07:33
hidekazuYumeng: The selected planner used to schedule the actions (string value)07:33
hidekazuYumeng: default is "planner = weight"07:34
hidekazuYumeng: so we can only single planner in single watcher.07:34
hidekazuadisky_: i am back from meeting as you see :)07:37
hidekazui registered a bug: test_basic_consolidation_works_on_model_copy error https://bugs.launchpad.net/watcher/+bug/169103708:00
openstackLaunchpad bug 1691037 in watcher "test_basic_consolidation_works_on_model_copy error " [Undecided,New]08:00
hidekazusometimes unit test fails.08:00
vincentfrancoisehi hidekazu Yumeng: Yes as of now, we can have only 1 planner for the whole of watcher-decision-engine08:16
vincentfrancoisehowever, the idea was to make this configurable on a per-audit basis08:16
vincentfrancoisethere is a BP for this somewhere08:16
vincentfrancoisehidekazu: Yumeng: https://blueprints.launchpad.net/watcher/+spec/watcher-planner-selector08:17
adisky_vincentfrancoise: hii, whenever you have time please review https://review.openstack.org/#/c/458492/, your input is important08:19
vincentfrancoiseadisky_: ok will do08:19
adisky_vincentfrancoise: thnx08:19
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hidekazuvincentfrancoise: thanks commenting!08:29
vincentfrancoiseYumeng: as for whether or not we can have multiple ONGOING audits at the same time, it should actually be allowed08:32
vincentfrancoiseYumeng: what shouldn't be possible is many action plans running at the same time08:33
Yumengvincentfrancoise hidekazu: I successfully created two continuous audits and now they both are in the "ongoing" state.08:35
vincentfrancoiseYumeng: Ok so that's as I expected then :)08:36
Yumengvincentfrancoise hidekazu: and if I don't execute any actions, then the two "ongoing" strategies should continue to generate same actions ?08:39
vincentfrancoiseYumeng: it depends on whether or not your strategy is deterministic08:39
vincentfrancoiseYumeng: so it's most likely going to be the case yes08:40
Yumengvincentfrancoise: ok08:40
Yumengvincentfrancoise: Since I created two audits without auto trigger, there was no conflict. I was supposing there might be some error if these two audits are created with auto trigger.08:58
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vincentfrancoiseYumeng: the conflict should only happen if the auto triggers happen at the same time09:40
vincentfrancoiseYumeng: if there is enough of a time shift between the audits, then it's like executing 2 audits + their action plan one after the other which is completely normal09:41
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Yumengvincentfrancoise: Make sense. So if we are careful enough to set the interval parameter, it's possible to have two continuous audit auto triggered in a normal way.09:46
Yumengvincentfrancoise: but should we avoid to do that as far as possible?09:47
vincentfrancoiseYumeng: exactly, although if they happen to run at the same time, what should happen is that the 2nd one will be SUPERSEDED09:47
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openstackgerritsuzhengwei proposed openstack/watcher master: extend-node-status  https://review.openstack.org/46455710:51
openstackgerritsuzhengwei proposed openstack/watcher master: extend-node-status  https://review.openstack.org/46455710:53
openstackgerritsuzhengwei proposed openstack/watcher master: extend-node-status  https://review.openstack.org/46455711:08
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openstackgerritsuzhengwei proposed openstack/watcher-specs master: extend-node-status  https://review.openstack.org/46454912:20
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openstackgerritPrudhvi Rao Shedimbi proposed openstack/watcher-specs master: Noisy Neighbor Strategy renamed cache occupancy strategy to noisy neighbor  https://review.openstack.org/39816222:11
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