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| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Allow for alterations in decider 'area of influence' https://review.openstack.org/246051 | 01:00 |
|---|---|---|
| openstackgerrit | Sachi King proposed openstack-dev/pbr: Handle markers to support sdist on pip < 6 https://review.openstack.org/253289 | 01:01 |
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| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Some additional logging https://review.openstack.org/258746 | 01:16 |
| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Some additional engine logging https://review.openstack.org/258746 | 01:23 |
| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Some additional engine logging https://review.openstack.org/258746 | 01:25 |
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| openstackgerrit | Boris Pavlovic proposed openstack/oslo-specs: OSprofiler cross service & project profiling https://review.openstack.org/103825 | 01:27 |
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| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Allow for alterations in decider 'area of influence' https://review.openstack.org/246051 | 01:31 |
| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Some additional engine logging https://review.openstack.org/258746 | 01:32 |
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| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Start rename of BLATHER -> TRACE https://review.openstack.org/258752 | 01:48 |
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| openstackgerrit | Vilobh Meshram proposed openstack/tooz: Add Consul Driver https://review.openstack.org/245362 | 02:23 |
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| openstackgerrit | Merged openstack/oslo.middleware: Updated from global requirements https://review.openstack.org/258102 | 03:07 |
| openstackgerrit | Merged openstack/oslo.policy: Pass environment variables of proxy to tox https://review.openstack.org/257126 | 03:12 |
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| openstackgerrit | Akira YOSHIYAMA proposed openstack/oslo.policy: Add string format rendering to RoleCheck.__call__() https://review.openstack.org/258808 | 05:56 |
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| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Some additional engine logging https://review.openstack.org/258746 | 06:33 |
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| openstackgerrit | javeme proposed openstack/oslo.vmware: isoformat instead of deprecated timeutils.strtime https://review.openstack.org/258842 | 07:14 |
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| openstackgerrit | Ann Kamyshnikova proposed openstack/oslo.db: Fix comparison of Variant and other type in compare_type https://review.openstack.org/258478 | 08:35 |
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| openstackgerrit | javeme proposed openstack/oslo.vmware: isoformat instead of deprecated timeutils.strtime https://review.openstack.org/258842 | 08:59 |
| openstackgerrit | Kseniya Tychkova proposed openstack/oslo.policy: Support RBAC with LDAP in oslo.policy https://review.openstack.org/244059 | 09:03 |
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| openstackgerrit | Kseniya Tychkova proposed openstack/oslo.policy: Support RBAC with LDAP in oslo.policy https://review.openstack.org/244059 | 13:21 |
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| openstackgerrit | Vladislav Kuzmin proposed openstack/oslo.log: Add ability to specify the log_config_append option in yaml format https://review.openstack.org/259000 | 13:23 |
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| openstackgerrit | Chris St. Pierre proposed openstack/oslo.log: Add ISO8601/RFC3339 timestamp to ContextFormatter https://review.openstack.org/256584 | 15:36 |
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| openstackgerrit | Oleksii Zamiatin proposed openstack/oslo.messaging: (WIP) [zmq] Heartbeat implementation https://review.openstack.org/257346 | 15:50 |
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| openstackgerrit | Boris Pavlovic proposed openstack/oslo-specs: OSprofiler cross service & project profiling https://review.openstack.org/103825 | 16:09 |
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| -openstackstatus- NOTICE: Zuul is moving in very slow motion since roughly 13:30 UTC; the Infra team is investigating. | 16:43 | |
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| openstackgerrit | Joshua Harlow proposed openstack/tooz: Add programatic introspection of drivers characteristic(s) https://review.openstack.org/240681 | 17:11 |
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| openstackgerrit | Merged openstack/oslo.config: Remove warning for option type not a ConfigType https://review.openstack.org/256594 | 18:02 |
| openstackgerrit | Merged openstack/oslo.messaging: Removes MANIFEST.in as it is not needed explicitely by PBR https://review.openstack.org/255731 | 18:02 |
| openstackgerrit | Merged openstack/oslo.utils: Fix DeprecationWarning when call method delta_seconds https://review.openstack.org/258265 | 18:02 |
| openstackgerrit | Merged openstack/oslo.utils: Add missing doc index for imageutils and fnmatch https://review.openstack.org/257203 | 18:02 |
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| openstackgerrit | Merged openstack/tooz: Add noted driver weaknesses onto the drivers docs https://review.openstack.org/258186 | 18:03 |
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| openstackgerrit | Boris Pavlovic proposed openstack/oslo-specs: OSprofiler cross service & project profiling https://review.openstack.org/103825 | 18:04 |
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| harlowja | lifeless if u get some time someday can u give your super-awesome inputs on https://review.openstack.org/#/c/240681/ :) | 18:52 |
| harlowja | i'd appreciate that ;) | 18:52 |
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| lifeless | harlowja: I have to do dims extras thing first :/ this week, man. a write off | 18:58 |
| harlowja | :) | 19:01 |
| harlowja | np | 19:01 |
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| openstackgerrit | Vilobh Meshram proposed openstack/tooz: Add Consul Driver https://review.openstack.org/245362 | 19:07 |
| openstackgerrit | Joshua Harlow proposed openstack/tooz: Make all locks operate the same when fetched from different coordinators https://review.openstack.org/252115 | 19:07 |
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| dims | lifeless : yay thanks! | 19:24 |
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| openstackgerrit | Merged openstack/oslo.vmware: Overwrite VMwareDriverException message https://review.openstack.org/258266 | 19:30 |
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| mkovacik | harlowja, hi, can I bother you a bit ;) | 19:54 |
| harlowja | mkovacik sureee | 19:54 |
| harlowja | where do we begin! | 19:55 |
| harlowja | lol | 19:55 |
| mkovacik | great :) | 19:55 |
| mkovacik | uff, not quite sure | 19:55 |
| harlowja | :) | 19:55 |
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| mkovacik | harlowja, how would you suggest to best incorporate the state transitions I need with task flow? | 19:55 |
| mkovacik | I mean with the loops and external events ant timeouts/retries... | 19:56 |
| harlowja | so the loops stuff i think can be handled if we dare | 19:56 |
| harlowja | the timeouts and retries and stuff i still sorta don't understand why they are external :-P | 19:57 |
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| harlowja | maybe let me throw an idea out :-P | 19:57 |
| mkovacik | ok | 19:57 |
| harlowja | correct me if i'm wrong here | 19:57 |
| harlowja | but introspection is basically a workflow of a bunch of steps right | 19:57 |
| mkovacik | true | 19:57 |
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| harlowja | and the desire is to make some part of that workflow async and some part of it not | 19:59 |
| harlowja | but for now let's consider it as a sync workflow, that basically gets processed by a worker somewhere | 20:00 |
| harlowja | that worker goes through steps Starting -> Waiting -> Processing -> Finishing -> Finished right? | 20:00 |
| harlowja | from a simplistic view thats the steps its doing for each workflow | 20:00 |
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| harlowja | (thats the steps each worker would be doing) | 20:01 |
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| mkovacik | harlowja, the Waiting state requires the bare metal node to confirm by a Continue event | 20:01 |
| harlowja | ok | 20:02 |
| mkovacik | then the rest of the steps can proceed | 20:02 |
| harlowja | Starting -> Waiting_For_Confirm -> Processing -> Finishing -> Finished | 20:02 |
| harlowja | like ^ right | 20:02 |
| harlowja | ? | 20:02 |
| mkovacik | yeah | 20:02 |
| harlowja | so let's consider the thing here ((Starting -> Waiting_For_Confirm -> Processing -> Finishing -> Finished), the node to do it on), lets give that a name | 20:04 |
| harlowja | for usefulness, workflow+node seems good | 20:04 |
| mkovacik | right, or introspection job for a node_id | 20:05 |
| harlowja | sure | 20:05 |
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| harlowja | so the majority of complexity of the rest of that spec then becomes how to make that workflow 100% async in a way that works out | 20:06 |
| mkovacik | ok | 20:07 |
| harlowja | when i start to wonder if perhaps u just treat 1 worker as owning that workflow (and progressing through it) would that be much simpler (and more likely to work out) | 20:08 |
| harlowja | now if that 1 worker crashes, thats ok, another worker can pick it back up and start it up | 20:08 |
| harlowja | *this is pretty much what taskflow specializes in | 20:08 |
| harlowja | the HA Worker in that spec is basically the equivalent of http://docs.openstack.org/developer/taskflow/conductors.html | 20:09 |
| harlowja | and the introspection job for a node_id named above is basically http://docs.openstack.org/developer/taskflow/jobs.html | 20:10 |
| harlowja | the difference is that taskflow's concept is 1 'conductor' (HA worker) owns/tracks the whole workflow until it completes | 20:11 |
| mkovacik | ok | 20:11 |
| mkovacik | so if it is possible to route the continue request to that worker, it could be a flow | 20:11 |
| mkovacik | (or cancel request ) | 20:12 |
| harlowja | so we'd have to work on that, but yes, depending on how those requests arrive and from where | 20:12 |
| harlowja | basically those are just job cancel and job continue generic concepts | 20:13 |
| harlowja | just have to figure out how to plumb them in | 20:13 |
| mkovacik | ideally that would be without handling the state outside of taskflow | 20:13 |
| harlowja | right | 20:13 |
| harlowja | this also imho has the benefit of cleanly seperating the job and execution/scheduliing transitions from the workflow transitions | 20:15 |
| harlowja | that spec has merged them all together a little (for better or worse) | 20:15 |
| harlowja | in that the workflow transitions are really (Starting -> Waiting_For_Confirm -> Processing -> Finishing -> Finished) | 20:15 |
| harlowja | and then it also has to merge the handling of sigint and all that (which are app level concerns) | 20:16 |
| mkovacik | ... yeah, that would stem from the fact I wanted to maintain the state decentralised but execute 1 transition per worker... | 20:17 |
| harlowja | right | 20:17 |
| harlowja | which i totally get, its very very decentralized | 20:17 |
| harlowja | for better or worse :) | 20:17 |
| mkovacik | heh :) | 20:17 |
| mkovacik | where's the emphasise I wonder ;) | 20:18 |
| harlowja | but i then start to wonder if it should go to 1 ha worker (conductor), 1 workflow and then scale out that way | 20:18 |
| harlowja | 1 ha worker (conductor), N workflows (threads...) | 20:18 |
| harlowja | complete decomposition of all things vs decomposition at the 'introspection job for a node_id' level | 20:19 |
| harlowja | i personally think decomposition at the 'introspection job for a node_id' level will be easier to thing about, but i get the other approach to | 20:19 |
| harlowja | *think about | 20:19 |
| mkovacik | ideally, there would be some interleaving, because of the continue call takes ~10 minutes to arrive | 20:19 |
| harlowja | right | 20:20 |
| mkovacik | quite a lot for a worker to get partitioned | 20:20 |
| mkovacik | or to do nothing but sleep | 20:20 |
| harlowja | which is why i think we can probably not to hard do that interleaving | 20:20 |
| harlowja | with a simple addition to taskflow to say drop a job into 'waiting' state until well it gets signaled to be ready again | 20:21 |
| harlowja | *taskflow job concept | 20:21 |
| harlowja | i'm pretty sure others want a similar concept :-P | 20:21 |
| mkovacik | or canceled | 20:21 |
| mkovacik | 100*100% sure | 20:21 |
| harlowja | ya, | 20:21 |
| harlowja | lol | 20:21 |
| harlowja | 1million% sure | 20:21 |
| harlowja | ha | 20:21 |
| harlowja | soooo that's some stuff to think about imho | 20:22 |
| harlowja | the ultimate decision is the inspector folks (which includes u) | 20:22 |
| harlowja | i like the interleving at job level + a continue addition | 20:23 |
| mkovacik | same here | 20:23 |
| harlowja | but i get the desire to do full decomposition of all the things | 20:23 |
| harlowja | ^ its an interesting thing to try (full on decompsition of all the things) | 20:23 |
| harlowja | although i'm not sure i would want to debug it :-P | 20:23 |
| harlowja | ^ such a thing probably needs a whole new way of debugging, ha | 20:24 |
| harlowja | *distributed debugger ftw, ha | 20:24 |
| harlowja | anyways, there u go :) | 20:24 |
| harlowja | my 3 cents, ha | 20:25 |
| mkovacik | i guess you don't have anything like that debugger hidden around ;) | 20:25 |
| harlowja | mkovacik if u jump in #openstack-state-management u can poke others that are using that job concept and all the rest of these to | 20:25 |
| mkovacik | thanks a lot, much appreciate all the input | 20:25 |
| harlowja | rackspace folks, some openstack projects are using this thing (and they would probably like that continue/wait thing, ha) | 20:25 |
| harlowja | *if u want to know how it has worked out for folks | 20:25 |
| harlowja | *not all of them are in this channel | 20:26 |
| mkovacik | I sure do | 20:26 |
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| harlowja | cools | 20:26 |
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| harlowja | hopefully all of this made some sense btw :-P | 20:27 |
| harlowja | ha | 20:27 |
| mkovacik | harlowja, thanks a lot, really great to have someone to read through the spec and talk about it | 20:27 |
| mkovacik | yeah | 20:27 |
| mkovacik | it did :D | 20:27 |
| mkovacik | I had one more concern, but forgotten about it :D | 20:27 |
| harlowja | :) | 20:28 |
| harlowja | well when u remember, let me know, ha | 20:28 |
| mkovacik | I'll try to remember, thanks again | 20:28 |
| harlowja | np | 20:28 |
| mkovacik | ah, got it now, exclusivity of the bare metal node; up-to-single worker can perform the introspection, I guess holding locks for 10 mins isn't cool | 20:31 |
| mkovacik | harlowja, ^ | 20:32 |
| harlowja | so this is basically needing a lock around (Starting -> Waiting_For_Confirm -> Processing -> Finishing -> Finished) | 20:32 |
| harlowja | ? | 20:32 |
| mkovacik | yes | 20:33 |
| mkovacik | it does | 20:33 |
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| harlowja | so is that good or bad? | 20:33 |
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| fhermeni | hi there | 20:33 |
| harlowja | mkovacik i guess if one is needed, then hold it :-P | 20:33 |
| harlowja | if thats 10 minutes, then i guess so bet it :-/ | 20:33 |
| harlowja | *so be it | 20:33 |
| harlowja | fhermeni yo | 20:33 |
| harlowja | mkovacik the lock could be released after Starting and reacquired at Processing | 20:34 |
| mkovacik | harlowja, the locks just have to be there no matter what :) yeah, no other way I guess. | 20:34 |
| harlowja | if u gotta lock it, then i guess u gotta lock it, ha | 20:34 |
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| mkovacik | won't work, with releasing in the middle, race condition with other worker | 20:35 |
| harlowja | k | 20:35 |
| mkovacik | well, locks are inevitable | 20:35 |
| harlowja | so if a job is worked on by only one worker at a time | 20:35 |
| harlowja | 1 ha worker/conductor | 20:35 |
| harlowja | then well the job itself is the lock | 20:35 |
| harlowja | *owning the job is the lock | 20:35 |
| harlowja | which is pretty much what the api @ http://docs.openstack.org/developer/taskflow/jobs.html#taskflow.jobs.base.JobBoard.claim does | 20:36 |
| mkovacik | so the user can't request 2 parallel introspections for same node? | 20:36 |
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| harlowja | depends on how jobs are formed, each job has a name, the name becomes the primary thing u can only have 1 of | 20:37 |
| harlowja | formed/posted | 20:37 |
| harlowja | http://docs.openstack.org/developer/taskflow/jobs.html#taskflow.jobs.base.JobBoard.post | 20:37 |
| harlowja | so u could make that name the node name, and then it wouldn't be able to have 2 jobs at once | 20:38 |
| harlowja | or u could make it something else and then allow 2+ parallel to happen | 20:38 |
| harlowja | ^ which would then require other locking somewhere else | 20:38 |
| harlowja | *something else like a random uuid() | 20:40 |
| mkovacik | harlowja, that seems to be the key, naming it with the node_id, I definitely need some time to process this | 20:40 |
| harlowja | np | 20:40 |
| harlowja | your brain buffer is full :-P | 20:40 |
| harlowja | ha | 20:40 |
| harlowja | that happens to me sometimes, ha | 20:40 |
| mkovacik | harlowja, thanks a lot for filling my brain buffer :D | 20:40 |
| harlowja | lol | 20:40 |
| harlowja | hahaha | 20:40 |
| harlowja | np | 20:40 |
| openstackgerrit | Joshua Harlow proposed openstack/tooz: Spice up the driver summary/info page https://review.openstack.org/258630 | 20:47 |
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| harlowja | fhermeni vilobhmm11 if u haven't met (more super-scheduling coauthors) | 20:50 |
| harlowja | super super | 20:50 |
| fhermeni | hi vilobhmm11 | 20:50 |
| fhermeni | vilobhmm11: I just replied to your point by a comment. When I browse nova issue tracker I see a lot of bugs that seem to be related to eventual consistency issues | 20:52 |
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| vilobhmm11 | fhermeni : hello! thanks harlowja for the introduction | 20:54 |
| harlowja | :) | 20:54 |
| vilobhmm11 | fhermeni : cool if you have an etherpad with the link to all those bugs | 20:54 |
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| vilobhmm11 | fhermeni : should be good to add as a reference in the spec IMHO and that should be helpful to jot down current scheduling issues | 20:55 |
| fhermeni | vilobhmm11: of course I don’t have one. I browsed them a day because I want to study some kind of bugs but that stopped there | 20:56 |
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| vilobhmm11 | fhermeni : will get back to you comment by eod | 20:56 |
| fhermeni | vilobhmm11: from what I read, the current issues look more related to implementation bugs and a few unconsistencies (like manual operation that may or may no bypass a scheduler) | 20:57 |
| fhermeni | vilobhmm11: so they seem not to be solvable through the spec | 20:57 |
| fhermeni | harlowja: you said nova initially relied on a central view ? | 20:58 |
| harlowja | fhermeni time before time | 20:58 |
| harlowja | there was only one project :-P | 20:59 |
| harlowja | well sorry 2 | 20:59 |
| harlowja | swift and nova | 20:59 |
| harlowja | so at that point nova did know about all of its things | 20:59 |
| fhermeni | harlowja: ok. Indeed it is not surprising to have scalability as an issue | 20:59 |
| harlowja | scalability from many different aspects was i think why nova started to split also | 21:00 |
| fhermeni | harlowja: I speak a bit with cdupont from watcher today | 21:00 |
| harlowja | cool | 21:00 |
| fhermeni | harlowja: he proposed kind of a spec for their watcher. Basically a copy/paste of BtrPlace | 21:00 |
| harlowja | interesting | 21:01 |
| fhermeni | harlowja: I will try to attend their next wednesday meeting to talk to them about our initiative more directly | 21:01 |
| vilobhmm11 | fhermeni : BtrPlace whats that ? | 21:01 |
| harlowja | sounds like u will have more convserations with watcher people :-P | 21:01 |
| harlowja | vilobhmm11 http://www.btrplace.org/ | 21:01 |
| harlowja | butterplace | 21:02 |
| harlowja | or betterplace (idk) | 21:02 |
| harlowja | ha | 21:02 |
| vilobhmm11 | cools | 21:02 |
| harlowja | depends on how u want to pronouce it, ha | 21:02 |
| fhermeni | harlowja: the thing is that a few of them (the whole create-net team) work with me inside the EU project DC4Cities: http://www.dc4cities.eu/en/ | 21:02 |
| harlowja | ah | 21:02 |
| harlowja | cool | 21:02 |
| fhermeni | harlowja: better ;) | 21:02 |
| harlowja | :) | 21:02 |
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| fhermeni | harlowja: and I will be a reviewer of a Phd. between b com the startup behind watcher and Inria Rennes | 21:03 |
| * harlowja was thinking about a butter castle, ha | 21:03 | |
| fhermeni | harlowja: :D | 21:03 |
| harlowja | fhermeni cools, nice nice | 21:03 |
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| openstackgerrit | Joshua Harlow proposed openstack/tooz: Spice up the driver summary/info page https://review.openstack.org/258630 | 21:06 |
| fhermeni | harlowja: so, back to the spec. It seems to me that if we put the storage layer aside, there is enough to discuss with other project-schedulers to see what they already support and check if the spec is then complete enough | 21:06 |
| harlowja | agreed | 21:06 |
| harlowja | the earlier we start trying to see how others feel about this the better | 21:07 |
| fhermeni | harlowja: as I said earlier, « You’re the gu y" | 21:07 |
| fhermeni | harlowja: :D | 21:07 |
| harlowja | maybe once vilobhmm11 finishes out his little analysis section we can try to disperse this outwards | 21:07 |
| harlowja | fhermeni haha | 21:07 |
| fhermeni | harlowja: k | 21:07 |
| fhermeni | harlowja: aside, for fun, I will try to write a spec parser to feed btrplace. like a « conceptual proof of concept » CPOC | 21:08 |
| harlowja | ?? | 21:09 |
| harlowja | btrplace requires feeding? | 21:09 |
| harlowja | lol | 21:09 |
| fhermeni | harlowja: http://www.btrplace.org/play/ but with the spec as input instead of my DSL | 21:09 |
| harlowja | ah | 21:10 |
| harlowja | neat | 21:10 |
| harlowja | is all that client side? | 21:11 |
| fhermeni | just the solution computation is made on a server | 21:11 |
| harlowja | k | 21:11 |
| harlowja | neat | 21:12 |
| fhermeni | harlowja: I made that during a project review :D. The benefit to come at a review without having to say a word :D | 21:12 |
| vilobhmm11 | harlowja : sure.. | 21:12 |
| harlowja | fhermeni ya, i'm trying to figure out the grammar ha | 21:13 |
| harlowja | then i'll calculate pi with that, ha | 21:13 |
| harlowja | haha | 21:13 |
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| dims | harlowja : other oslo cores, please vote - https://review.openstack.org/#/c/259169/ | 21:43 |
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| wusWWW | @all: Hi all, not sure whether this is the right place to ask ... can anyone shed some light on internalization on the comment in the yaml file? | 22:36 |
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| openstackgerrit | Joshua Harlow proposed openstack/tooz: Add basic file content schema validation https://review.openstack.org/259206 | 22:41 |
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| openstackgerrit | Joshua Harlow proposed openstack/taskflow: Some additional engine logging https://review.openstack.org/258746 | 23:02 |
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| openstackgerrit | Lianhao Lu proposed openstack/oslo.log: Set keystoneauth default log level to WARN https://review.openstack.org/259218 | 23:23 |
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