Tuesday, 2016-05-31

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nikhilanyone around for quota meeting?17:04
nikhilCourtesy quotas-wg meeting reminder: nikhil, vilobhmm, DuncanT, mc_nair, ninag, amrith, sajeesh, Qijing,tbarron17:04
sajeeshhi nikhil17:04
nikhilhey17:04
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nikhilLet's start17:06
nikhil#startmeeting quotas-wg17:06
openstackMeeting started Tue May 31 17:06:08 2016 UTC and is due to finish in 60 minutes.  The chair is nikhil. Information about MeetBot at http://wiki.debian.org/MeetBot.17:06
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.17:06
*** openstack changes topic to " (Meeting topic: quotas-wg)"17:06
openstackThe meeting name has been set to 'quotas_wg'17:06
nikhil#topic agenda17:06
*** openstack changes topic to "agenda (Meeting topic: quotas-wg)"17:06
nikhilThere's no formal agenda for today17:06
nikhilI will just jot down the plan for 3 weeks proposed by Vilobh earlier.17:06
nikhiland we can have the open discussion17:06
nikhil#topic plan for next 2-3 weeks17:06
*** openstack changes topic to "plan for next 2-3 weeks (Meeting topic: quotas-wg)"17:06
* DuncanT waves17:07
nikhilohai DuncanT17:07
nikhil#1. Mysql driver (vilobh working on a prototype)17:07
nikhil#2. Tests (unit, functional) (need volunteers)17:07
nikhil#3.1 Docs (info from spec will go here when approved17:08
nikhil#3.2 generation-id documentation - how consuming projects should use/consume it; what changes the consuming project need to do to use delimiter17:08
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nikhil#4 Design (objects to be added to the lib, like resrouce and usage objects) (those that are missing)17:09
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nikhilitisha may have some cycles and I want here to help with testing. But the rest of the work is open floor if people wanted to pick and contribute.17:10
DuncanT3.2 would be useful ASAP - without that it's really tricky to get an idea of impact17:10
nikhil++17:10
sudiptonikhil, I have an initial doc up on generation id here: https://review.openstack.org/323415 even though it's completely a WIP - that i added today and would have some more material tomorrow.17:10
nikhilThanks to sudipto, it's now a WIP.17:10
nikhil#info gen_id documentation work in progress: https://review.openstack.org/32341517:11
DuncanTI've not got any free cycles really, though I've got an experimental tree that cuts reservations out of the current cinder code as prep17:11
DuncanTsudipto: Awesome, thanks!17:11
nikhilDuncanT: that's interesting, any link for us to see?17:12
sudiptoDuncanT, nikhil i plan to write 2-3 docs this week - 1. Gen id stuff. 2. about delimiter's data model 3. How other projects could consume it. Would love to hear about comments/reviews - to ensure I have the right idea about it :)17:12
DuncanTnikhil: Not yet, but I'll github it this week and post a link17:12
nikhilah nice, thanks DuncanT17:13
nikhilany other comments/questions before we move to open discussion?17:13
nikhilsudipto: that's pretty awesome!17:13
DuncanTTime is not my friend at the moment :-(17:13
nikhil:)17:13
sajeeshsudipto:thanks...17:13
nikhil#topic open discussion17:14
*** openstack changes topic to "open discussion (Meeting topic: quotas-wg)"17:14
nikhilsudipto: do you mind giving us a tl;dr; of what's there for docs?17:14
nikhil(just to get some discussions started)17:14
sudiptoyou mean the review above or in general?17:15
sudiptonikhil, ^17:15
nikhilsudipto: I meant in general17:15
nikhil(based on your research so far)17:16
sudiptonikhil, ok - basically - i think the docs should have those 3 citations i mentioned above. and most likely a project specific implementation detail...17:16
sudipto(ofcourse left to open discussions)17:17
DuncanTWe need to add some scale tests to the plan fairly early on I think... what does the performance look like with 1k, 5k, 10k, 100k, 1M entities being tracked for quota17:17
DuncanTNeed to find out if the cache-free approach actually scales... the cache was added for scaling reasons though I can't see any benchmarks done at the time17:18
sudiptoIt's also important for people to know - what the impact of this project will be...17:18
sudipto+1 DuncanT17:18
nikhilDuncanT: good point... I guess we need some dev testing env for this. I think we could so a bit of testing for glance but 1M entries might be a stretch ..17:19
DuncanTCan we write a fake service for testing? Just use delimiter to track widgets17:19
DuncanTI do cinder tests with 1M fake db entries now, it's trivial to just insert things into the DB17:20
nikhilDuncanT: I think a simplistic patch to glance #images in queued status (only DB record) would do  exactly that.17:20
nikhilsudipto: ^ what do you think?17:20
sudiptonikhil, yeah that could be achieved.17:20
nikhil(also, we can test it on devstack)17:21
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sudiptonikhil, i would not necessarily commit on doing that this week, since i would like to spend sometime on the docs, but definitely add it to the to-do list.17:21
DuncanTIt's just to make the count queries hit some big record counts - we should be testing at least 10x the biggest record count we expect to see in the wild17:21
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sudiptonikhil, DuncanT based on Jay's mail - is that how we would eventually expect delimiter to be consumed?17:23
sudiptoreferring to this NOVA example.17:23
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DuncanTsudipto: That's the current plan, yes. I'd like some confidence that it fly ASAP, so that we know if we need to think again (and go have a long debate with Jay no doubt)17:24
sudiptoreferring to http://lists.openstack.org/pipermail/openstack-dev/2016-May/095035.html17:24
nikhilDuncanT: right on17:25
sudiptoDuncanT, sounds good.17:25
nikhilsudipto: no worries, I think the lib mysql support may take this week. but this can be put in our glance bucket and work with itisha too.17:25
DuncanTHaving figures and demo code is a good way to deal with any nay-sayers, and to give us confidence before investing too much17:26
* sudipto smells DuncanT is referring to a PoC17:27
sajeeshDuncanT +117:27
DuncanTsudipto: A PoC plus an honest attempt to break it / benchmark it17:27
DuncanTsudipto: A friendly PoC is a different thing entirely17:27
sudiptoDuncanT, heh gotcha!17:28
sudiptoany volunteers for that?17:28
DuncanTI might have cinder in some shape to do it, maybe. Got a lot else on at the moment though :-(17:28
sudiptoDuncanT, I will work with you - will that be alright?17:28
DuncanTcertainly17:29
sudiptoI too have some other commitments, but i will make sure that i keep coming back to you about it.17:29
DuncanTI'll get a github tree up this week with what I've got - I find them easier than gerrit reviews for messing with17:29
sudiptoDuncanT, great! That could be our starting point I guess.17:30
sudiptoDuncanT, I will try to prototype Nova.17:30
DuncanTSounds good17:31
nikhilany other topic for open discussion?17:31
nikhilgoing 117:32
nikhilgoing 217:32
nikhilThanks all!17:32
nikhilLet's reconvene next week.17:32
nikhil#endmeeting17:32
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings"17:32
openstackMeeting ended Tue May 31 17:32:46 2016 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)17:32
openstackMinutes:        http://eavesdrop.openstack.org/meetings/quotas_wg/2016/quotas_wg.2016-05-31-17.06.html17:32
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/quotas_wg/2016/quotas_wg.2016-05-31-17.06.txt17:32
openstackLog:            http://eavesdrop.openstack.org/meetings/quotas_wg/2016/quotas_wg.2016-05-31-17.06.log.html17:32
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felipe__get your free webhosting http://webgerencie.com20:14
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