Wednesday, 2018-06-06

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zhiyuanhi, sorry I am a bit late01:09
zhiyuandue to the rainy day01:09
xuzhuanghi01:10
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zhiyuan#startmeeting tricircle01:11
openstackMeeting started Wed Jun  6 01:11:22 2018 UTC and is due to finish in 60 minutes.  The chair is zhiyuan. Information about MeetBot at http://wiki.debian.org/MeetBot.01:11
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.01:11
*** openstack changes topic to " (Meeting topic: tricircle)"01:11
openstackThe meeting name has been set to 'tricircle'01:11
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zhiyuanxuzhuang, have you seen my comment?01:11
xuzhuangyes01:11
xuzhuangI have replied the review01:12
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zhiyuangive me some time to read it01:13
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Yipeihi, zhiyuan, about the route in spec, do we need to add the route to make sure the traffic can be routed to external net in other regions?01:15
zhiyuanYipei, I think traffic just go out from the external network in its own region01:17
zhiyuanxuzhuang, you create the bottom router during network creation, in the new l3 model case, this is a routed network, so several bottom routers need to be created01:19
zhiyuansince the routed network will contain several network segments for real external networks01:20
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Yipeito zhiyuan, do we need to support service redundancy in case of region level failure?01:21
xuzhuangIn fact we only use routed network to maintian the relationship of several real external network. And in the bottom region we only use real external network not the segments of routed  network.01:22
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xuzhuangWe will create a local router for each real external network in bottom region.01:23
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zhiyuanYipei, the purpose of multiple external networks is that each region can have its own external network, so I think we can support it later01:26
Yipeiok, got it, i will update the spec01:26
zhiyuanxuzhuang, yes, but user only know the routed network01:27
zhiyuanafter the routed network is created, the real local network should be created01:27
xuzhuangOh, got it. The user only need to create routed network and Tricircle will create bottom external networks with local routers according to the az-hint.01:30
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Yipeito zhiyuan, you mean user needs to create a routed network first, then create real local network manually?01:30
zhiyuanno, user only need to create the routed network, specify the real external netowrk info in the segments01:33
Yipeioh, i got it. you mean user only uses routed network01:33
zhiyuantricircle will take care of the local network01:33
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Yipeigot it, xuzhuang and I will update the code01:33
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zhiyuanok01:36
songhi,is there some works we can do?01:36
zhiyuanwhat's your original use case? Yipei01:36
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zhiyuanneed to create both routed network and external network?01:37
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Yipeii think i misunderstand the scenario. obviously, only exposing routed network to users is better01:41
zhiyuanfine01:42
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zhiyuansong, I remenber that there is a driver implementation of trunk plugin?01:44
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songyes01:46
songthat is doing by zhangchi01:47
songwe all have xiaohan and cyg are free01:47
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songthey can do some other works too.01:47
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zhiyuanone varification work can be done01:48
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zhiyuanwe can check if our service can still work with nova cellv201:48
songdo not need to coding?01:49
zhiyuanif the varification passes, we don't need to change things01:50
zhiyuandoc may need some chagne01:50
zhiyuans/chagne/change01:50
songthat is good.01:51
songwe can do this.01:52
zhiyuanthanks01:53
songyou are welcome01:53
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zhiyuanother topics?01:54
Yipeino from me01:55
songno from me01:55
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xuzhuangno01:55
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zhiyuanok, thanks for attending01:57
zhiyuanbye01:57
zhiyuan#endmeeting01:57
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*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"01:57
openstackMeeting ended Wed Jun  6 01:57:41 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)01:57
openstackMinutes:        http://eavesdrop.openstack.org/meetings/tricircle/2018/tricircle.2018-06-06-01.11.html01:57
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/tricircle/2018/tricircle.2018-06-06-01.11.txt01:57
openstackLog:            http://eavesdrop.openstack.org/meetings/tricircle/2018/tricircle.2018-06-06-01.11.log.html01:57
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songbye01:59
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diablo_rojo#startmeeting fc_sig08:00
openstackMeeting started Wed Jun  6 08:00:58 2018 UTC and is due to finish in 60 minutes.  The chair is diablo_rojo. Information about MeetBot at http://wiki.debian.org/MeetBot.08:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.08:01
*** openstack changes topic to " (Meeting topic: fc_sig)"08:01
openstackThe meeting name has been set to 'fc_sig'08:01
mattoliverauo/08:01
cmurphyo/08:01
diablo_rojoHello :)08:01
mattoliverauI think antonio wanted to join this meeting let me ping him08:01
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diablo_rojogmann, around?08:01
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aojeao/08:02
mattoliverauhey aojea :)08:02
mattoliverauyou made it08:02
diablo_rojoHello aojea :)08:02
aojeahi, s08:02
aojeaapologise for the delay :)08:02
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mattoliverauaojea: is my manger and all round great guy, whose interested in reaching new devs and breaking down walls etc.08:03
diablo_rojoExcellent :)08:03
diablo_rojoAlways happy to have new people08:03
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diablo_rojoGive one more minute to wait for gmann and then we can get started.08:04
mattoliverauso, its been a while. how's everyone been? I think we had some follow up items from the summit right08:04
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diablo_rojo#link https://wiki.openstack.org/wiki/First_Contact_SIG#Meeting_Agenda Agenda08:04
cmurphyi think gmann said in #openstack-u-i that he wouldn't be able to join08:05
diablo_rojoOh okay we can get started then.08:05
diablo_rojo#topic New Contributor Patches08:05
*** openstack changes topic to "New Contributor Patches (Meeting topic: fc_sig)"08:05
diablo_rojoDefinitely still getting back into the normal rhythm of things so I havent had much time to look at how they are going but hopefully since the summit there are some new patches to review?08:06
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mattoliverauI noticed there are a few new patches.. but was kinda really busy this week to contact them. os-brick horizon, tempest to name a few08:06
diablo_rojoI can poke some people/ review the os-brick one08:07
diablo_rojoMaybe gmann can look at the tempest one.08:07
mattoliveraucool. I'll see who I can ping to look at the others. gmann could probably do tempest08:07
diablo_rojomattoliverau, cool yeah I think he could.08:08
myratwossap08:08
aojeaI have one questions, what happens with the patches that seems abandoned or are stuck for a long time?08:08
diablo_rojoI kinda figured none of us would have done the homework for this meeting, but maybe for next week.08:08
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mattoliverauI bought up the searches... so was kinda 1/2 there :P08:08
diablo_rojoaojea, for abandoned patches thats kind of the end of the road.08:09
mattoliveraudepends on how their stuck too.08:09
diablo_rojoFor patches that are stuck without reviews we try to poke at people to review them. If they are stuck becuase the author hasnt done updates we can try to email them but at this point we havent gone that far.08:09
mattoliverauwe have a bunch of liasons which we get to join the patches to help mentor and shepherd them.08:09
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mattoliverauNot sure what else we can do without creeply stalk them.08:10
mattoliverauI hope whoever is on the review, tries to review often and help with encouragement08:10
mattoliverauthings that are too old and we never got to, because the sig is new.. well I dunno to be honest.08:10
diablo_rojoYeah.. We can reach out to them to the email they have provided in gerrit, but that I think is a little extreme since they will get emails about our reviews.08:11
mattoliverautry and ping the person and see if they respond08:11
diablo_rojoIf they are on irc.08:11
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mattoliverausometimes I wish gerrit ids/emails matched irc nicks better :P08:11
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diablo_rojoHa ha I prefer to make people work for it ;)08:12
diablo_rojoaojea, did we answer your questions well enough?08:12
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mattoliverausuggesions are always welcome, cause I'm no expert just someone who cares.08:13
diablo_rojoSame :)08:13
diablo_rojoAlways willing to listen to feedback08:13
diablo_rojoLets move on08:13
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diablo_rojo#topic Ask.o.o08:14
*** openstack changes topic to "Ask.o.o (Meeting topic: fc_sig)"08:14
diablo_rojoAnyone do this homework?08:14
mattoliverauI didn't see anything new08:14
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diablo_rojoThats alright.08:14
mattoliverauso either no new contributor is using ask.o.o or we need to fiddle with the topics again08:14
mattoliveraubut all we can do is keep a look out08:15
diablo_rojoI think fiddling with tags might be a good idea.08:15
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diablo_rojoI think the fact that we are constantly watching is better than before when a lot of them would go unanswered for a while.08:15
diablo_rojoIf we wanted to get proactive we could keep seeding the site with questions and good answers.08:15
mattoliverauwe are aleast more proactive then people used to be.08:16
diablo_rojoI consider that an improvement in itself.08:16
mattoliverauI guess we just need to keep adding tags that come to mind that a new contributor might use08:16
diablo_rojoYup.08:16
diablo_rojoI think some of the ones we have further down on the agenda would be good.08:17
diablo_rojoWe can get to that in a bit.08:17
diablo_rojoShall we move on?08:17
mattoliverauyup08:17
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diablo_rojo#topic Forum Recap08:18
*** openstack changes topic to "Forum Recap (Meeting topic: fc_sig)"08:18
diablo_rojoSo I think the first session we had the Ops Inclusion one could have gone better..08:18
mattoliverauyeah, some Ops would have helped08:18
diablo_rojoWould have been nice to have actual operators there rather than the same voices :)08:18
diablo_rojoI wanted to add a follow up but I got too busy and then too tired.08:19
diablo_rojoI guess its something we will need to just keep trying again.08:19
diablo_rojoAnd go bother the operators during the PTG.08:19
mattoliverauwe need to target the next ops meet up /me thinks08:19
diablo_rojomattoliverau, +108:19
mattoliveraulol, could we stop saying the same thing at the same time :P08:19
diablo_rojoIt will be in conjunction with the PTG08:19
diablo_rojoGreat minds and all that crap.08:19
mattoliverauyup, great minds think alike and fools never differ... I'm hoping on the former :P08:20
diablo_rojoThat would be nice- I think it varies on the day though.08:20
mattoliverauI think even though we had the same dev voices, at least we came out with some kind of plan.08:20
diablo_rojo#link https://etherpad.openstack.org/p/FC-SIG-Ops-Inclusion Etherpad from the Ops Inclusion Discussions08:21
diablo_rojoNot much in terms of notes as we didnt make a ton of progress sadly08:21
mattoliverauwell we need to build out the ops side of the contributor guide as much as we can08:21
diablo_rojoBasically its just a lot of education of other groups who we are and what we do and what we need help with08:21
mattoliverauyeah08:22
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mattoliveraubut something in superuser or something might help. and the user survey08:23
diablo_rojoI suppose we could try to submit talks lightning or otherwise on what the FC SIG is and what the contributor guide is08:23
mattoliverauyeah, good idea.08:23
diablo_rojoWhat do you think should go in the survey?08:23
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mattoliveraunot sure, just thinking about what operators would be looking at08:23
diablo_rojoAh okay08:23
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diablo_rojoAnother super user post about how the OUI went this round with the contributor guide could work08:24
diablo_rojoand put a call for help building out the other sections- specifically ops08:24
mattoliverau+108:24
diablo_rojoWanna help me? :)08:24
diablo_rojoI suppose you werent there for the OUI bit08:24
mattoliveraunope, I was in Fiji ;)08:25
diablo_rojo:P08:25
diablo_rojoOkay well I will add that to my todo list.08:25
diablo_rojoShouldn't take long to knock out.08:25
mattoliverauAnd _was_ very jetlagged on the day we had this fishbowl :P08:25
diablo_rojoThe other session we had- Reqs for Organisations contributing to openstack went better I felt.08:26
mattoliverauMaybe use the openstack blog to say who we are (FC SIG) and what we're trying to do, including building up for the ops side.08:26
diablo_rojo#link https://etherpad.openstack.org/p/Reqs-for-Organisations-Contributing-to-OpenStack Etherpad from the discussion08:26
mattoliverauor an update08:26
mattoliverauI'll see if I can write something. I think my blog is federated or whatever it's called on the openstack one.08:27
diablo_rojoThat would be super awesome.08:27
diablo_rojoYou do that and I do the superuser and we should be well covered08:27
mattoliveraukk08:27
mattoliverauyeah the other one went better.08:28
mattoliverauThis one would have been of more interest to aojea as well08:28
mattoliverauit would have been nice if more people with issues connecting to the openstack community were there though08:28
aojeathe openstack blog you mean?08:28
mattoliverausorry no the  https://etherpad.openstack.org/p/Reqs-for-Organisations-Contributing-to-OpenStack08:29
diablo_rojoaojea, the reqs for organisations contributing to openstack session08:29
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diablo_rojomattoliverau, yeah that would have been nice. Simultaneously I feel like we have a solid list to start from08:29
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diablo_rojoI havent seen fungi's email summary of it yet but I remember him mentioning working on it08:30
mattoliverauthe topic all started becuase there were people who found it hard to contribute because tech barriers from their company side08:30
mattoliveraucool08:30
mattoliverauaojea: ^08:30
diablo_rojoAnd mattoliverau, you volunteered to add this to the contributor guide ;)08:31
diablo_rojoIts in the notes so its practically written in stone ;)08:31
mattoliverauSo we started thinking about a document we can place on the contributor guide that will help instruct what companies need to provide as a starting point08:31
aojeayeah, also I will include the tools, I see that younger developers are used to work with more "UI oriented" tools08:32
mattoliveraubut it's where things like barriers with things like weechat or slack might or lack of irc can come in08:32
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diablo_rojoI think this level could work: https://docs.openstack.org/contributors/08:32
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mattoliveraudiablo_rojo: yeah... thats right. I'll wait for fungi's updates ;)08:32
diablo_rojoOr it should be in common so it applies to all of them08:32
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mattoliverauaojea: that's understandable. getting others already in the community there is the hard part08:33
mattoliveraumaybe we need infra to run something like a rocket chat instance.08:34
mattoliverauthats kinda like slack and oss (i think)08:34
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mattoliverauthough I don't have much slack experience myself.08:34
cmurphysegregating new people into a different communication forum is not the way to integrate them into the community08:35
mattoliverautrue08:35
aojeaindeed08:35
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diablo_rojocmurphy, I agree.08:35
cmurphythat's not really related to requirements for contributing organizations though08:35
mattoliverauno08:35
diablo_rojoMaking companies aware and okay with the network and necessary ports is important.08:36
diablo_rojoMan would it be great if they were all allowed to have bouncers or some other way of being signed in all the time too.08:36
mattoliverauI think aojea is talking about helping newer generations of devs get involved. and using what they use etc. so still an interesting discussion.08:36
mattoliveraudiablo_rojo: +1 to that.08:37
diablo_rojoirccloud?08:37
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diablo_rojoAnything else we want to discuss here?08:38
mattoliverauyeah, is there an irccloud like thing thats OSS that maybe we could host. So therefor provide bouncers in a way if you want to use it to store your account.08:39
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mattoliverauI'm just brainstorming out loud, feel free to say shutup ;P08:39
diablo_rojoNot sure, might be something we could discuss with infra.08:39
diablo_rojoWhen fungi reads the logs in his morning maybe he can provide insight :)08:40
* diablo_rojo waves to future fungi08:40
mattoliverausomething that could use your openstack id, so you could easily match up nicks ;)08:40
cmurphythere is riot/matrix which has a built-in bridge to freenode, nothing for infra to host08:41
mattoliverauyeah that's true08:41
mattoliverauthe bridge is interesting, I've used it before. but it does work and keeps you logged in.08:41
diablo_rojoMaybe we could add mention of that in the IRC section of the guie08:41
cmurphy(channeling aspiers here ;))08:41
diablo_rojo*guide08:41
mattoliverautook me some getting used too.08:42
mattoliverau:)08:42
diablo_rojoI feel like theres enough we could make an advanced IRC section08:42
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diablo_rojowith bouncers and ping words and bridges and whatnot08:42
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mattoliverauslack used to have a bridge, or at least allowed me to log into slack from my irc client. not sure about the other way.08:43
cmurphyan advanced irc section sounds useful08:43
mattoliverau+108:43
aojea+108:43
diablo_rojoI can make the story for that tomorrow unless someone else wants to jump on it before I wake up.08:43
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cmurphybut people always get hung up on irc being so difficult because they think it requires all those advanced things, i think it's important to be clear that you can totally do useful work with just pidgin or whatever08:44
diablo_rojohttps://storyboard.openstack.org/#!/project/91308:44
mattoliveraunah, I'm having dinner as soon as this is over :)08:44
diablo_rojoAgreed cmurphy.08:44
mattoliveraucmurphy: thats a good point08:44
diablo_rojoI think having a 'here's the basics' section and a 'here's if you wanna be awesome' section08:44
cmurphy++08:45
aojeahexchat vs tmux + irssi XD08:45
mattoliverauthe real barrier to IRC and the youngin's is no gifs and memes :P08:45
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mattoliverauaojea: lol08:45
diablo_rojoJust gotta go for the classic ascii art08:45
cmurphyaojea: you mean screen + weechat :P08:45
aojea;)08:46
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mattoliverauanything else on this topic for tonight? (I can smell slow cooked lamb)08:47
diablo_rojo¯\_(ツ)_/¯08:47
diablo_rojoI dont think so.08:47
diablo_rojo#topic New ask.o.o tags08:47
*** openstack changes topic to "New ask.o.o tags (Meeting topic: fc_sig)"08:47
diablo_rojoI say we add the first like.. 6 tags from the proposed list to our watch list08:48
mattoliverauI should probably run some queries on those others and see if anything new was turned up using them.08:48
diablo_rojoso everything but the last three- howto, initial, and interest08:48
mattoliverausure, doesn't hurt to try08:48
diablo_rojoCool. Will do that tomorrow as well.08:49
mattoliveraucan we make some super query with all the tags or'ed?08:49
mattoliverauI assume we can somehow08:49
aojearegarding askbot, do you have stats to see the impact of the tags?08:49
diablo_rojoI'm not sure but I can play around with it a bit tomorrow.08:49
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diablo_rojoOkay08:50
aojeaI mean, if some tag is more used than others, to understand the users behaviours08:50
mattoliverauaojea: the current tags are just me going through all the tags at about 2 months ago that seemed relevent, and on a search had something vagly relevent from the past.08:51
diablo_rojoAh. I'm not sure we have anything that sophistciated.08:51
mattoliverauaskbot uses something08:51
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mattoliveraubecause when you look at the list of tags08:51
mattoliverauthe bigger they are the more they're used08:51
mattoliverau#link https://ask.openstack.org/en/tags/08:52
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diablo_rojoAnything else on this topic?08:53
aojeathat can be useful08:53
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aojeadidn't expect to see "migrated" as the second most popular tag08:54
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diablo_rojoI expect that its mostly in reference to volumes or instances.08:54
mattoliveraumaybe... it could be the biggest problem :P08:54
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diablo_rojo#topic Open Discussion08:54
*** openstack changes topic to "Open Discussion (Meeting topic: fc_sig)"08:54
diablo_rojoTomorrow I will send out the email being all- PTL's you are our liaison unless you delegate or have already delegated.08:56
diablo_rojoThats all I had08:56
mattoliverausounds good to me.08:56
mattoliverauthen we'll at least have project coverage08:56
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mattoliverau3 minutes, shall we end it and let diablo_rojo sleep?08:57
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diablo_rojoIf no one has anything else.08:58
mattoliveraunope08:58
diablo_rojoAlright then!08:58
diablo_rojoNight/Morning everyone :)08:58
diablo_rojo#endmeeting08:58
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"08:58
openstackMeeting ended Wed Jun  6 08:58:45 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)08:58
openstackMinutes:        http://eavesdrop.openstack.org/meetings/fc_sig/2018/fc_sig.2018-06-06-08.00.html08:58
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/fc_sig/2018/fc_sig.2018-06-06-08.00.txt08:58
openstackLog:            http://eavesdrop.openstack.org/meetings/fc_sig/2018/fc_sig.2018-06-06-08.00.log.html08:58
mattoliverauo/08:58
cmurphythanks everyone08:58
aojeasee u08:58
diablo_rojoThanks for coming aojea!08:59
aojeamy pleasure08:59
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StefanPaetowJiscHello?09:23
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oneswig#startmeeting scientific-sig11:00
openstackMeeting started Wed Jun  6 11:00:26 2018 UTC and is due to finish in 60 minutes.  The chair is oneswig. Information about MeetBot at http://wiki.debian.org/MeetBot.11:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.11:00
*** openstack changes topic to " (Meeting topic: scientific-sig)"11:00
openstackThe meeting name has been set to 'scientific_sig'11:00
verdurinAfternoon.11:00
oneswig#link agenda for today https://wiki.openstack.org/wiki/Scientific_SIG#IRC_Meeting_June_6th_201811:00
oneswigHi verdurin, good afternoon11:00
priteauHello11:01
davehollandhi11:01
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oneswighello all11:01
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daveholland(might be distracted, working on some instances whose IP addresses show in Horizon but not "openstack server show")11:01
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oneswigdaveholland: intriguing...11:02
davehollandAOB :)11:02
oneswigkeep us updated!11:02
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oneswigOK shall we get on with the show...11:03
oneswig#topic summit roundup11:03
*** openstack changes topic to "summit roundup (Meeting topic: scientific-sig)"11:03
oneswigWe had a well-attended session.  I think there were probably 60 people in for the meeting and 80 for the lightning talks11:04
oneswiga good showing11:04
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b1airoo/11:04
oneswigHey b1airo, evening11:05
oneswig#chair b1airo11:05
openstackCurrent chairs: b1airo oneswig11:05
verdurinoneswig: was looking at Tuesday logs, have people thought of more talk recordings to recommend since then?11:05
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oneswigJohn's talk on preemptible instances went online. I think it got overlooked.11:06
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oneswig#link preemptible instances and bare metal containers https://www.openstack.org/videos/vancouver-2018/containers-on-baremetal-and-preemptible-vms-at-cern-and-ska11:06
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oneswigJohn also did a pretty comprehensive roundup on Scientific SIG interests from the forum11:07
oneswig#link Scientific SIG and forum https://www.stackhpc.com/openstack-forum-vancouver-2018.html11:08
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b1airoyeah i saw that on twitter, haven't had a chance yet though11:08
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davehollandit's a good read11:08
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oneswigthanks daveholland, will pass that on11:09
oneswigdaveholland: any session picks from you?11:10
davehollandthere were a few things that stood out... the session on "enterprise problems" was familiar and reassuring (other people also find lost/orphaned instances, for example)11:11
davehollandone tiny nugget from a CERN talk that raised eyebrows: 8 minutes average VM boot time? maybe there is pre-work in scheduling GPUs or other scarce resource, or ironic cleaning... but we think 1 minute is on the slow side11:12
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verdurindaveholland: might be CVMFS-related11:12
oneswigThat's interesting.  I missed most of the CERN talks, alas.11:13
daveholland@verdurin interesting point I hadn't thought of, thanks11:13
oneswigbut I'd assume all the CernVMFS repositories would be local, on-site?11:14
b1airoyou'd think11:14
davehollandI found some other interesting points behind operating-at-scale, e.g. Walmart (I think) with dozens of OpenStack deployments/clouds11:14
verdurinThey would be, yes.11:15
b1airodaveholland: yeah i've noticed a few enterprise users have scale in shear number of deployments, whereas on the scientific side it's more likely to be large individual deployments11:15
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b1airothis is true for e.g. Ceph too when we were at the inaugural advanced user meeting at the  Red Hat summit earlier last month11:16
oneswigThere was a good demo of exactly this in the keynotes - Riccardo Rocha's federated Kubernetes - scale through federation at the platform level instead11:16
davehollandare enough people running large enough (single) deployments that there's a feel for where the sensible boundaries are? Sanger has a single ~5000 core deployment and looking to add ~4000, currently pondering whether lumping it all in one is sensible11:16
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b1airodepends what you mean by all in one i guess, lots of different ways to architect11:17
davehollandlikewise for large Ceph (PB+)11:17
b1airoscale-wise the only practical considerations for Nova are number of hosts in a cell11:17
davehollandsingle cell, 3x HA controllers (Pike)11:17
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b1airobut that doesn't have to translate into anything user-facing11:17
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b1airoas far as i remember 300 hosts in a single cell was the max rule of thumb (possibly according to rackspace)11:18
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oneswigThe thorny issue in any discussion on scale is how much it depends on how the control plane is used.  What kind of churn is going on at the instance level and how many services are active...11:19
b1airoindeed oneswig11:19
b1airoand placement adds quite a bit of extra api load it seems11:19
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oneswigbrb11:20
b1airodaveholland: ceph-wise the main consideration that i haven't seen any good guidance on is what a sensible limit to number of OSDs in a pool is11:20
b1airoor rather than a pool a single PG set11:21
davehollandso, number of OSDs supporting a PG? we have 3 (for 3-way replication) but I can see using more for EC (which we don't yet do). 3060 OSDs in total which is starting to feel a bit unwieldy11:21
b1airoi mean, depending on how you crushmap is implemented (but assuming the default sort of layout), the more OSDs in a pool the greater the chance of concurrent failures and possible data loss11:23
StefanPaetowJisc@oneswig, @b1airo: by the way… the vapourware I’ve promised for the last year and a half is almost here (had what looks like almost the final build yesterday). I might *actually* be able to… demo… macOS Integration with this thing called Moonshot. :-/11:23
oneswigStefanPaetowJisc: hi Stefan, bring it on!11:24
b1airothere was a talk many summits ago, possibly in tokyo, from "something"Stack, maybe UnitedStack, talking about how they implemented limited failure domains within crush to increase reliability and improve backfill11:24
oneswigWould be interested to see integration with Keystone, or what the options are for this.11:24
StefanPaetowJiscIndeed.11:25
davehollandblairo: I may not be understanding, will drop you a line11:25
b1airooneswig: haven't even seen a demo and already making feature requests!11:25
oneswigb1airo: give an inch, take a mile...11:25
oneswigb1airo: I'm interested in this discussion on PG size because it seems counter-intuitive11:26
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oneswigBut perhaps we can carry on in #scientific-wg afterwards - jmlowe might be interested too11:26
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daveholland(I have to dash promptly at 1pm sorry)11:27
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b1aironot the PG size (as in num reps) but the total population of OSDs11:27
b1airofound the slides from that talk: https://www.slideshare.net/kioecn/build-an-highperformance-and-highdurable-block-storage-service-based-on-ceph11:27
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davehollandblairo: ta, will read/learn/inwardly digest (and then be in touch :) )11:28
oneswigThanks, I'll take a look11:28
oneswigditto...11:28
oneswigOK, next item?11:29
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oneswig#topic gathering best practice on handling controlled-access data11:29
*** openstack changes topic to "gathering best practice on handling controlled-access data (Meeting topic: scientific-sig)"11:29
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oneswigThere was some good discussion here at the session.11:30
oneswigSomehow the group membership has swung from particle physics to life sciences!11:30
oneswigMy aim is that if we can gather good practice it might make new content for the HPC book11:31
verdurinoneswig: spent nearly all last week hosting a site visit for a large project in this area, so very timely for us.11:31
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oneswigI started an etherpad to start gathering fellow travellers: https://etherpad.openstack.org/p/Scientific-SIG-Controlled-Data-Research11:31
oneswigverdurin: interesting, would love to hear more.11:32
b1airofirst question, what do we mean by "Implementation Standard"?11:32
oneswigdaveholland: at the Sanger OpenStack event, I met someone looking to combine a trifecta of sensitive data - genomics, patient records and location.  Who would that have been?11:33
oneswigb1airo: I was thinking of regulatory frameworks.  Probably a better term.11:33
davehollandFranceso at PHE maybe?11:34
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oneswigdaveholland: not this time, it was someone from Sanger IIRC, possibly working with a population in Africa?11:34
b1airomost of the big studies i hear about have some element like this in the data-science aspects11:35
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b1airowhich is why where we think the safe haven environment comes into play11:36
b1airos/why//11:36
davehollandhumm, not sure, was the angle human, or cancer, or pathogen? that'd nail down which team I ask at least11:36
oneswigb1airo: that project @Monash, how can we get them involved?  Was it Jerico?11:36
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oneswigdaveholland: human I'd guess but it wasn't a detailed discussion11:37
davehollandI think it was likely Martin in human genetics, they have links to Africa11:37
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verdurindaveholland: could be one of the malaria-related groups? We have people here with a presence at your end.11:38
b1airooneswig: yeah Jerico is the main resource doing technical stuff on it at the moment, and now we are looking to focus on this i'll suggest he joins (will forward him today's logs and the etherpad)11:38
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oneswigexcellent, thanks b1airo11:39
oneswigdaveholland: I think (somehow) location data was coming from phones / gps as well.  Could that use of technology track it down?11:39
davehollandoneswig: I will have to ask around, not heard of that aspect11:40
oneswigThanks - I hope I'm not making all this up :-)11:40
b1airooneswig: i was thinking about how to structure things around this topic11:40
b1airoi think we need to break out specific areas as it's very broad11:40
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oneswigmakes sense.  Different standards / regulatory frameworks will have common requirements and common solutions11:41
b1airothere are also multiple layers in any solution to consider11:41
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verdurinb1airo: yes, data ingest, anonymization, data analysis etc.11:42
oneswigwere you thinking of layers as human processes vs platform vs infrastructure?11:42
b1airoe.g. on the infra side you might need to have your OpenStack cloud implemented in a certain way and need specific controls in the environment, plus also ensure your deployment conforms to reporting requirements etc11:42
b1airothat'd be one good way of carving it, yes11:43
verdurinb1airo: yes, that was exactly the sort of discussion we were having last week11:43
b1airoverdurin: with your guests?11:44
verdurinb1airo: yes11:44
oneswigSeems like a good approach b1airo - go ahead and note it in the etherpad11:44
oneswigverdurin: any specific noteworthy items from that discussion?11:45
b1airoso then if you assume your underlying infra risks are well managed you need to move on to the tenant-level infra, guests, networks etc11:45
verdurinoneswig: don't think I'm allowed to say much publicly yet - will do as soon as I can11:45
oneswigcontrolled-access data in action :-)11:46
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oneswigWe should leave some time for AOB - any other items to cover here for now?11:47
b1airothen you start getting more towards the application level and thinking about whether controlled data access is needed, plus how to get data screened and out of a controlled environment11:47
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davehollandalso proper deletion: wiping TB+ volumes makes performance sad; is deleting the encryption key equivalent to deleting an encrypted volume; etc11:48
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b1airoplus lots of very specific, but important, points like that11:49
oneswigb1airo: it seems a lot of people delegate responsibility for data management to the users.  Having trusted users bound by a usage agreement has to play a role here, doesn't it?  Is it a non-starter if you don't have users you trust?11:50
b1airoi don't have wide knowledge of the various standards / requirements, but i think encryption at rest usually suffices for that daveholland11:50
b1airooneswig: it does seem to be surprisingly common, but i don't think it flies when you start dealing with clinical or commercial data11:51
oneswigProviding controlled data to users you can't trust is where things get interesting and I guess that's what underpins the Monash project.11:52
b1airoyou can't expect scientists to be able to implement best practice IT security11:52
StefanPaetowJiscYou can’t, no. But making it easier for them to helps :-)11:53
oneswigI wonder if that's always true, when scientists know the data is sensitive.11:53
b1airooneswig: it's a little bit analogous to the problem the bloomberg terminal solves i suppose11:53
oneswigwhat problem is that?11:53
b1airodata is the product11:54
oneswigok, got it11:54
b1airoyou want to "sell" it (let people use it), but not let them take it away11:54
b1airoen masse that is11:54
oneswigmakes sense.11:55
oneswigWe ought to move on - time and all that.11:55
oneswig#topic AOB11:55
*** openstack changes topic to "AOB (Meeting topic: scientific-sig)"11:55
b1airotime to turn in that is11:56
verdurinI want to hear about daveholland and his mystery IPs11:56
oneswig#link Berlin CFP closes end of June! https://www.openstack.org/summit/berlin-2018/call-for-presentations/11:56
oneswigdaveholland: any update?11:56
StefanPaetowJiscUh-oh.11:56
davehollandverdurin: looks like a hypervisor bug, many instances (but not all) on that hypervisor in this state. hypervisor logs "unexpected VIF plugged" event when the instance reboots (and the instance then has no NIC)11:57
b1airois that a mistake? i feel like it can't be right. previous summits haven't closed 4 months before the actual conference have they?11:57
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verdurinoneswig: it does feel a bit previous11:57
oneswigb1airo: seems pretty harsh, who to ask - Jimmy?11:57
davehollandfortunately most of these instances are expendable (dev, or auto-scaled workers) so.... byebye11:57
oneswigdaveholland: what does the virsh dumpxml say about network vifs?11:58
verdurindaveholland: good - grtbr11:58
davehollandif I get any closer to finding the cause I'll pass it on. But I need to dash now11:58
oneswigdon't leave us hanging!11:58
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verdurinoneswig: do let us know if you hear about the submission date11:58
b1airothere's a stubborn sysadmin inside everyone huh11:59
oneswigverdurin: will do - I'll open that mail now11:59
b1airolooks like we're done11:59
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b1airoback to Cumulus upgrades...12:00
oneswigOne other activity from the summit - two new code branches for Ceph RDMA to explore12:00
oneswigI'm on it...12:00
b1airohmm sounds promising12:00
oneswigb1airo: thought you were turning in...12:00
oneswigwe are out of time - final comments12:00
b1airow00t - last comment12:01
b1airo#endmeeting12:01
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"12:01
openstackMeeting ended Wed Jun  6 12:01:26 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)12:01
openstackMinutes:        http://eavesdrop.openstack.org/meetings/scientific_sig/2018/scientific_sig.2018-06-06-11.00.html12:01
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/scientific_sig/2018/scientific_sig.2018-06-06-11.00.txt12:01
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openstackLog:            http://eavesdrop.openstack.org/meetings/scientific_sig/2018/scientific_sig.2018-06-06-11.00.log.html12:01
oneswigthanks all12:01
StefanPaetowJiscNone from me. Oh. And Swig. Found your email. Apols!12:01
verdurinThanks and bye.12:01
b1airog'night all12:01
StefanPaetowJiscNight Blair12:02
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oneswigStefanPaetowJisc: never too late to reply :-)12:03
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smcginnis#startmeeting cinder16:00
openstackMeeting started Wed Jun  6 16:00:10 2018 UTC and is due to finish in 60 minutes.  The chair is smcginnis. Information about MeetBot at http://wiki.debian.org/MeetBot.16:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.16:00
*** openstack changes topic to " (Meeting topic: cinder)"16:00
openstackThe meeting name has been set to 'cinder'16:00
smcginnis#topic Rollcall16:00
*** openstack changes topic to "Rollcall (Meeting topic: cinder)"16:00
smcginnisping DuncanT diablo_rojo, diablo_rojo_phon, rajinir tbarron xyang xyang1 e0ne gouthamr thingee erlon tpsilva patrickeast tommylikehu eharney geguileo smcginnis lhx_ lhx__ aspiers jgriffith moshele hwalsh felipemonteiro lpetrut lseki _alastor_16:00
tommylikehuhi16:00
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erlon_hey16:00
gansohello16:00
e0ne_hi16:00
smcginnis#link https://etherpad.openstack.org/p/cinder-rocky-meeting-agendas Agenda16:01
smcginnisHey everyone. I will be your jungleboyj for today's festivities.16:01
erlon_:P16:01
xyanghi16:01
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e0ne_smcginnis: will you argue with yourself about Thursday?16:01
smcginnise0ne_: Hehe  :)16:02
walshhhi16:02
smcginnisOK, guess we can get going...16:02
smcginnis#topic Announcements16:02
*** openstack changes topic to "Announcements (Meeting topic: cinder)"16:02
smcginnisRocky-2 milestone deadline is tomorrow.16:02
smcginnis#link https://releases.openstack.org/rocky/schedule.html16:02
smcginnisI need to actually check with jungleboyj on that, but I think we are in good shape.16:03
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smcginnisJay has also put up a set of patches marking drivers as unsupported for lack of CI.16:03
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smcginnis#link https://review.openstack.org/#/q/status:open+project:openstack/cinder+branch:master+topic:ci_unsupported16:03
smcginnisI probably should add it as another agenda item to discuss, but I wanted to point out that one of the drivers in that set is the Brocade FCZM driver.16:04
e0ne_smcginnis, jungleboyj: please, don't forget about releasing python-brick-cinderclient-ext for Rocky16:04
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smcginnisPersonally, I would like to hold off on that one for awhile since we did give Cisco a lot of time for theirs.16:04
jungleboyjsmcginnis: yes we are good.  I will tag today.16:04
smcginnisSo if you have any opinions on that, please comment on the review.16:05
smcginnisjungleboyj: Great.16:05
e0ne_smcginnis: it means, we'll drop zomenanager...16:05
rajiniro/16:05
smcginnise0ne_: Well, ironically, the Cisco one is now reporting regularly.16:05
e0ne_smcginnis: oh, it's a good news16:05
smcginnisThat was my fear as well, but now we at least have one.16:05
jungleboyje0ne_:  will do.16:05
e0ne_jungleboyj: thanks!16:05
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smcginnispython-brick-cinderclient-ext is cycle-with-intermediary, not cycle-with-milestones, so at least process wise that could wait.16:06
smcginnisBut still good to get the recent fixes released.16:06
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e0ne_smcginnis: +116:07
smcginnisThat's all I had for announcements. Anyone know of any important announcements to bring up?16:08
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smcginnis#topic Rocky Priorities16:09
*** openstack changes topic to "Rocky Priorities (Meeting topic: cinder)"16:09
smcginnis#link https://etherpad.openstack.org/p/cinder-spec-review-tracking16:09
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kien-hahi16:09
smcginnisI haven't reviewed this list too closely lately, but please take a look to see if anything needs review focus.16:09
smcginniskien-ha: Welcome16:09
smcginnisThere are a few new driver patches outstanding, but tomorrow is the deadline to have those merged.16:10
smcginnisAnd last I looked, most of the outstanding ones did not have CI up and stable yet.16:10
e0ne_:(16:10
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smcginnisOn the plus side, there were a few that were added, so that's nice to see.16:11
e0ne_+116:11
smcginnis#topic Check-in on HA development progress16:12
*** openstack changes topic to "Check-in on HA development progress (Meeting topic: cinder)"16:12
smcginnisgeguileo: I believe this is the weekly prod. :)16:12
geguileosmcginnis: lol16:12
geguileosmcginnis: I only have 1 comment from tommylikehu in the devref16:13
erlon_geguileo, SHOULD HAVE SOME MINE TOO16:13
geguileoI'm still waiting for other reviews16:13
erlon_opss16:13
tommylikehuerlon add more16:13
erlon_lol16:13
geguileoerlon_: oooops, I must have missed it16:13
geguileomy bad16:13
smcginnis#link https://review.openstack.org/#/c/571242/16:13
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geguileoerlon_: Oh, you added them today16:13
geguileosorry, it's been a crazy day16:14
smcginnisgeguileo: Should it be un-WIPd and doc build failures fixed?16:14
smcginnisJust thinking that might get more reviews then.16:14
geguileodoc failures are my todo notes16:14
erlon_usually does16:14
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geguileoI'd like to get some more input16:14
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geguileoand I'll go over current comments to fix things16:14
geguileoso a couple more eyes would be great to have16:14
smcginnisOK, please take a look and give geguileo feedback.16:14
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smcginnisgeguileo: Anything else we should discuss on the subject?16:15
geguileonot at the moment16:15
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smcginnisgeguileo: OK, thanks!16:15
smcginnis#topic Follow-up Topics from the Forum16:16
*** openstack changes topic to "Follow-up Topics from the Forum (Meeting topic: cinder)"16:16
smcginnisFirst, placement...16:16
smcginnis#link https://etherpad.openstack.org/p/YVR-cinder-placement16:16
erlon_still didnt have time to spent on that :/16:16
smcginnisReally wish this would have been recorded since there weren't a lot of Cinder folks there.16:16
smcginnisBut I think most of the concerns raised were addressed and answered.16:17
smcginnisThe biggest concern for me being the ability to design its use (if we choose to) such that we can run without it.16:17
smcginnisIn a clean way.16:17
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geguileowhat's the big win for us?16:17
geguileowe don't have that many things to track...16:18
smcginnisHaving a common external data source rather than reimplementing what they have done into local DB access.16:18
erlon_geguileo, can you recap why you -2 on the placement patch?16:18
geguileoand they are going to do the tracking like we do, in the DB16:18
geguileoerlon_: sure16:18
smcginnisAnyone have a link to that patch handy?16:18
tommylikehuhttps://review.openstack.org/#/c/559718/16:19
geguileohttps://review.openstack.org/#/c/559718/16:19
e0ne_#link https://review.openstack.org/#/c/559718/16:19
e0ne_:)16:19
smcginnisHah!16:19
geguileolol16:19
tommylikehuit's easy to find out the -2 one from my lists16:19
e0ne_smcginnis: please, choose only one16:19
smcginnisThanks. :D16:19
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smcginnisWell, I don't want to spend too much time on it in the meeting, but just reminder that we should continue that discussion.16:20
geguileoMy concerns are that we are going to introduce a new component that its basically doing what we were going to do in the schedulers to fix this16:20
smcginnisAnd probably address some of the comments on the patch.16:20
geguileoThey are using the DB to avoid races and to have a single source of truth16:20
geguileoSame thing we were going to do16:20
geguileobut now we'll have an extra service (or N on HA)16:20
geguileoWhich uses more resources and introduces additional delays16:21
smcginnisgeguileo: But rather than needing to implement all of the logic they already have in our own scheduler, when running in HA we can defer that to placement.16:21
erlon_geguileo, I think the same16:21
smcginnisI would assume large deployments that are going to care about HA are going to be running it anyway for Nova, so it's one more config setting.16:21
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smcginnisCERN has 20 instances running, for instance.16:22
geguileoand one more interconnection source of problems for us16:22
smcginnisVs more complexity in our scheduler.16:22
smcginnisAnyway, a lot of tradeoffs to consider here.16:23
tommylikehusmcginnis: +116:23
erlon_e0ne_, you sent a spec for implementing that in the DB, how much change do you thing would be needed?16:23
erlon_it does not seem too much16:23
e0ne_erlon_: it was just an idea before I read about placement16:23
smcginnise0ne_: Do you have a link to that patch too?16:23
smcginnisWould be good for folks to get the full picture.16:23
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e0ne_I thinks we shouldn't re-invent the wheel16:23
e0ne_#link https://review.openstack.org/55652916:24
tommylikehuhttps://review.openstack.org/#/c/556529/16:24
smcginnisThank you16:24
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e0ne_I'll abandon my patch in flavor of placement support16:24
* geguileo fears this is going to be as good for Cinder as privsep was16:24
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erlon_e0ne_, Im just trying to measure the impact/size of both changes. If we are doing something Nova already doing in placement, but that is minimal, duplicating code it wouldnt be that much a concern16:25
smcginnisgeguileo: Do you view privsep as a bad thing?16:25
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geguileosmcginnis: privsep for OS-Brick has been the worst thing that has ever happened to us16:25
geguileoit serializes our requests16:26
geguileoas it can only run 1 thing at a time16:26
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smcginnisgeguileo: I don't think those involved in the lock-setup upgrade of rootwrap changes would agree.16:26
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geguileosmcginnis: but anyone doing multipathing in the real world would16:26
smcginnisAnyway, let's move on since that was just one item in the list. :D16:26
geguileook16:27
erlon_ok16:27
smcginnisHA Active/Active work16:27
smcginnis#link https://etherpad.openstack.org/p/YVR18-cinder-ha-forum16:27
smcginnisNot sure if there was too much here to discuss.16:27
smcginnisThe need for docs was raised.16:27
smcginnisOne interesting question to me was someone asking about HA A/A for the backup service.16:27
geguileoI couldn't agree more with the docs comment   XD16:27
smcginnis;)16:28
geguileoBackup already supports HA A/A16:28
geguileoNothing to do there, job done16:28
geguileorofl16:28
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e0ne_:)16:28
smcginnisHah, I guess that points back to the need for more docs then.16:28
smcginnisThe other interesting/concerning thing in the session was an assumption by someone that HA A/A would provide performance scaling.16:29
smcginnisI think we clarified that, but I was surprised by it.16:29
geguileoit could, since you have now multiple privseps16:30
smcginnisgeguileo: Haha, OK, fair enough. :)16:30
geguileo};-)16:30
smcginnisCinder Documentation Work16:30
smcginnishehe, nice16:30
smcginnis#link https://etherpad.openstack.org/p/YVR18-cinder-documentation-forum16:30
smcginnisI believe Jay is planning on devoting some time to this.16:31
smcginnisWe also had someone from Red Hat there that said their doc team was switching how they do things and would be getting more involved upstream.16:31
smcginnisWhich would be really nice. I forget the number, but they had a good number of people.16:31
smcginnisOne of the biggest issues raised was that the current docs have a lot of technical detail (when we actually have docs on something) but doesn't really guide folks on what they need and why.16:32
smcginnisSo I think they were going to work on making things more task driven rather than just a dump of config options and CLI examples.16:32
smcginnisThere was also the need for more standalone Cinder documentation.16:33
smcginnisAnd how/where/why you would want to use that.16:33
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smcginnisI think that's all from the Forum.16:34
smcginnisWould have been useful to have more Cinder folks present, but we'll see what happens now with the talk about events.16:35
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smcginnisI will say, this one seemed a lot more Design Summit-ish than the last few.16:35
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smcginnisBut maybe that was partly flashbacks from the last Summit in Vancouver. :)16:36
smcginnis#topic Continued discussion on Reusing Cinder Drivers/cinder-lib16:36
*** openstack changes topic to "Continued discussion on Reusing Cinder Drivers/cinder-lib (Meeting topic: cinder)"16:36
smcginnisI was hoping we would have jgriffith and jungleboyj here.16:36
erlon_lol, that is a fase in for the return of the joint summits/ptg16:36
smcginniserlon_: Hah, maybe.16:37
smcginnisgeguileo: The floor is yours.16:37
* jaypipes shakes fist at other jungleboyj for having same first name.16:37
geguileoI know that Hellen tested cinderlib16:37
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jungleboyjjaypipes: sorry.16:37
geguileoand it worked for VMAX on Rocky16:37
jaypipesjungleboyj: :)16:37
smcginniswalshh?16:38
geguileosmcginnis: yup16:38
jungleboyjI am kind of peripherally here now.16:38
walshhyes, very happy with it16:38
geguileoanybody else had time to look at it?16:38
e0ne_unfortunately, not :(16:38
jungleboyjSeems people are all over on supporting it.16:38
smcginnis#chair jungleboyj16:38
openstackCurrent chairs: jungleboyj smcginnis16:38
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erlon_walshh, did it worked cleanly?16:38
e0ne_I hope to have some time to play with it next week16:38
geguileoe0ne_: awesome!16:39
erlon_e0ne_, +116:39
walshhpretty much...since we have a rest interface to the VMAX we have no external dependencies16:39
erlon_me too16:39
jungleboyjwalshh:  what did you do?16:39
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xyanggeguileo: have you updated your doc on what drivers are tested?16:40
walshhit was very easy to plug it in....very little intervention, just follow the readme16:40
geguileoxyang: no, I have to do that16:40
geguileoxyang: I'll also try to create instructions for each backend16:41
erlon_geguileo, is there changes from BE to BE?16:41
geguileowalshh: could you send me the config you used (masking passwords and ips) so I can add it?16:41
walshhsure16:41
xyanggeguileo: sounds good16:41
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geguileoerlon_: what's BE?  r:-???16:42
erlon_backend16:42
geguileorofl16:42
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geguileoonly the configuration passed to the init changes16:42
erlon_ok16:42
geguileodepending on the backend I may need to fix something16:42
geguileolike I had to do for Solidfire16:43
geguileothat required project_id and user_id to be filled in16:43
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geguileoerlon_: anything that doesn't work an expected, just let me know and I'll fix it16:43
erlon_geguileo, hmm, I think some drivers also use volume type fields16:43
erlon_how that is handled?16:43
erlon_sure16:44
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geguileoerlon_: I'd have to check, I think it's a silly volume type with no extra specs16:44
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geguileoright now it's only covering the most basic case16:44
erlon_ok16:45
geguileolater I'll add support for fancy stuff through the extra specs16:45
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jungleboyjgeguileo: are you the only one supporting this?16:46
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geguileojungleboyj: right now yes16:46
xyanggeguileo: has anyone tested Unity?16:46
geguileoit's a POC right now16:46
geguileoxyang: I don't think so16:46
geguileobasically I've tested16:46
geguileoxtremio, qnap, rbd, lvm, kaminario16:47
jungleboyjgeguileo: ok.  If this starts having impacts on drivers this gets more complicated.16:47
geguileothen solidfire, and vmax have been tested16:47
geguileoand I did some basic testing on 3PAR16:47
geguileoI'll try to test 3PAR and Nimble soon16:47
geguileojungleboyj: the idea is not to impact the drivers16:47
geguileodrivers do their thing like they do for Cinder16:48
xyanggeguileo: thanks16:48
geguileoI don't have access to other storage, so...16:48
geguileolol16:48
jungleboyjSo that fixes you're working on are all in Cinder lib.16:48
geguileojungleboyj: what fixes? the driver ones?16:48
geguileoyes16:48
jungleboyjOk. That is good.16:49
geguileoif there's a problem using cinderlib with a driver, what I fix is cinderlib16:49
geguileobecause it's the one at fault16:49
erlon_geguileo, that is, if the driver works on Cinder :p16:49
jungleboyjgeguileo: cool.16:49
geguileoerlon_: precisely!!!16:49
geguileoerlon_: it's a good reference for me to know that it's my fault  ;-)16:50
smcginnisNew third party CI requirement?16:50
erlon_lol16:50
smcginnisHalf joking, but half serious. The only way to know it would work right with all the drivers is if all the drivers are tested with it.16:51
jungleboyjsmcginnis:  True.16:51
geguileoI think we could add it to the tempest run16:51
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geguileoand have it log the results but never fail even if it fails16:51
jungleboyjBut I think we have a ways to go for that yet.16:51
geguileoit would only take 1 minute or so more16:51
erlon_smcginnis, if that still is a PoC does not make sense to even think about that now16:51
geguileosince everything is already deployed16:51
gansomake it non-voting16:52
smcginniserlon_: Not now, but we are talking about making this a real CI'd thing in gate.16:52
geguileoThe problem if we add a new job is that it requires deploying things, whereas running it in the same tempest job would skip the deployment time16:52
tpsilvabut we don't need tempest for that, do we?16:53
jungleboyjgeguileo: That is a good thing.16:53
geguileotpsilva: we don't16:53
erlon_smcginnis, and we would test against LVM?16:53
geguileotpsilva: but if you are running tempest, then you already have everything you need in the controller node16:53
geguileosmcginnis: we could test agains LVM and Ceph16:53
jungleboyjgeguileo: that would be a minimum starting point.16:54
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geguileojungleboyj: OK, will start looking into that16:54
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jungleboyjgeguileo:  Thanks.16:55
geguileothank you all  :-)16:55
jungleboyjsmcginnis: I know you have concerns ... let thoughts?16:55
jungleboyj*other16:55
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smcginnisNah, nothing right now.16:56
* erlon_ has a quick topic16:56
smcginnisOne more topic on the agenda and ~3 minutes left.16:57
smcginnis#topic Enabling online extend tests by default on devstack16:57
*** openstack changes topic to "Enabling online extend tests by default on devstack (Meeting topic: cinder)"16:57
jungleboyjOk. So plan going forward is geguileo will keep working on bugs and look into getting testing set up?16:57
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geguileojungleboyj: +116:57
e0ne_jungleboyj: sounds reasonable16:57
erlon_so, we are considering adding the online extend tests to run by default on tempest16:58
smcginniserlon_: Type quick! :)16:58
erlon_:)16:58
erlon_should be quick16:58
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erlon_#link https://review.openstack.org/#/c/57218816:58
smcginnisThat makes sense to me. Anyone know of drivers that do not support this? There shouldn't really be.16:58
erlon_we support online extend by default, but does not test it16:58
jungleboyjMakes sense to test it.16:59
erlon_smcginnis, some NetApp16:59
erlon_we are working on the fix16:59
jungleboyjerlon_: will it cause issues for them?16:59
smcginniserlon_: Oh, right.16:59
e0ne_will it work for nfs?16:59
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erlon_e0ne_, yes16:59
smcginnisIt would at least be good to know who needs to explicitly disable this.16:59
e0ne_erlon_: great17:00
jungleboyjsmcginnis:  ++17:00
smcginnisShould maybe send to the ML to get attention to it.17:00
e0ne_smcginnis: +117:00
smcginnisTimes up.17:00
jungleboyjsmcginnis: thanks for running things.17:00
smcginnisThanks everyone. Sorry we didn't have more time to discuss erlon_, but I think we can continue later.17:00
smcginnis#endmeeting17:00
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"17:00
openstackMeeting ended Wed Jun  6 17:00:45 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)17:00
erlon_smcginnis, sure17:00
openstackMinutes:        http://eavesdrop.openstack.org/meetings/cinder/2018/cinder.2018-06-06-16.00.html17:00
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/cinder/2018/cinder.2018-06-06-16.00.txt17:00
openstackLog:            http://eavesdrop.openstack.org/meetings/cinder/2018/cinder.2018-06-06-16.00.log.html17:00
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diablo_rojoNo storyboard meeting this week! If you have questions about anything please join us in #storyboard!19:36
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notmynameswift team meeting time21:00
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notmyname#startmeeting swift21:01
openstackMeeting started Wed Jun  6 21:01:00 2018 UTC and is due to finish in 60 minutes.  The chair is notmyname. Information about MeetBot at http://wiki.debian.org/MeetBot.21:01
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.21:01
*** openstack changes topic to " (Meeting topic: swift)"21:01
openstackThe meeting name has been set to 'swift'21:01
notmynamewho's here for the swift team meeting?21:01
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m_kazuhiroo/21:01
alecuyero/21:01
tdasilvahi21:01
rledisezo/21:01
kota_hello21:01
acoleshi21:01
mattoliverauo/21:01
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notmynamewelcome, all21:01
notmynameI'm not sure if this meeting will be really short or really long21:01
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notmyname#link https://wiki.openstack.org/wiki/Meetings/Swift21:02
notmynamethere's nothing specific on the agenda for this week21:02
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notmynameso...21:02
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notmyname#topic open discussion21:02
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notmynamewhat's up? anything to bring up this week in the meeting?21:02
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rledisezLOSF, here it is: https://review.openstack.org/#/c/571763/ ;)21:03
kota_lol, agenda is only open discussion21:03
notmynamealecuyer: when can we see more LSOF code in gerrit?21:03
notmynameoh nice!21:03
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notmynamethat... is a really big patch ;-)21:03
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alecuyerit is here, Romain kicked me until I pushed it ;) I am not happy with everything in there.. but,21:03
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tdasilvapasses probe tests ;)21:03
notmynametdasilva: lol21:03
alecuyerit applies to master, and it does run21:04
rledisezi guess something is wrong then ;)21:04
tdasilvarledisez: lol21:04
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alecuyerthe patch is not so big21:04
alecuyerI mean, there are generated files there21:04
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notmynameit's only half as big as sharding. it's tiny! ;-)21:04
acolesrledisez: alecuyer I started reviewing https://review.openstack.org/#/c/447129/10 today21:04
alecuyeracoles: ok, thanks!21:05
rledisezacoles: thx! it needs some more work, but an opinion on the way it does things is really welcomed21:05
alecuyernotmyname: it touches much less existing files than before. And the kvfile.py is down from about 4000 lines (diskfile.py copy) to about a 1000 (inherits from classes in diskfile)21:05
acolesrledisez: it seems heading the right way, I'll post some comments tomorrow I hope21:06
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rledisezacoles: if you see a better way to patch tests, i'll take it. for now i'm not really happy with the way I did it21:07
mattoliverauWow nice work, /me will definitely be a coffee before I starting tho21:07
mattoliverau*need21:07
kota_mattoliverau: +1, me too21:07
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notmynamerledisez: alecuyer: this is great to see. I know you have been working on the migration in your clusters, but you weren't planning on sharing that custom work21:09
notmynamein general, how does this work in the sense of migrating to it (or away from it)21:10
rledisezwe only planned one way: to it ;)21:10
notmynameheh21:10
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notmynameI've been thinking on the ordering of things, and LSOF vs getting rid of rsync is the big question. seems to me that with an rsync replacement, we may be able to more easily move to a different on-disk format21:11
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rledisezthe migration is done in-place. sending new write to losf, but reading both from losf and filesystem. and a process scan the filesystem to write to losf21:11
rledisezthe downside of that migration process is that it disable the REPLICATE command, so no rebalance/reconstruction while a server is being converted21:12
rledisezI let alecuyer talk more in details if needed21:12
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alecuyerwell, what your said is correct ;)21:12
rledisezalecuyer: do you think it would be possible to improve the in-place migration? notmyname: would you be interrested with that.21:12
rledisez?21:12
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torgomatic_I'm sort of surprised you don't just use replication to do it. Take a node out of the ring, reconfigure it for LOSF, put it back in, and wait...21:13
rlediseztorgomatic_: the issue is the time it would take. the concerned cluster basically does not work anymore, at least for anything related to replication. it is so slow that it timeout fro everytwhere (think 5, even 10 or 20 minutes for a REPLICATE request)21:14
notmynamehonestly, my personal concern is coordinating the work so that we don't do too much and once and not make progress on anything. we know the LSOF needs migration, but also that there's other planned work ("tsync" that may help). but LSOF is obviously further along21:15
alecuyerWell it could be improved, probably REPLICATE could be supported but I don't know if it's a good general purpose tool21:15
alecuyerfor migration21:15
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alecuyernotmyname: yes. I would be happy to get feedback before I work further on this version, if we can agree on a way to do things21:16
alecuyer(lots of work still, tests… etc)21:16
torgomatic_I mean, in-place migration is definitely going to be better; I was just being lazy and considering ways to avoid work ;)21:16
torgomatic_also, at some point I got the LOSF RPC server up and running, and I made a branch in vagrant-swift-all-in-one with the necessary dependencies, so that may be a good starting point for anyone else wanting to poke at it21:17
notmynamealecuyer: that's why I'm glad you've pushed code before it's "perfect" so we can work on figuring it out together21:17
torgomatic_#link https://github.com/swiftstack/vagrant-swift-all-in-one/tree/losf21:17
notmynametorgomatic_: nice, thanks21:17
alecuyernotmyname: yes, far from perfect which made it hard to push ;) but here it is and I'll work to make it better21:18
kota_nice21:18
alecuyertorgomatic_: there are some changes in the golang code in this version, but the way to build it has not changed21:18
alecuyerand ill look at the vagrant :)21:19
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rledisezan other interesting question is "grpcio==1.3.3" (can't upgrade grpcio because of eventlet)21:20
notmynameah right21:20
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torgomatic_is there a library out there that only does the gRPC encoding and decoding, but leaves the IO up to the user?21:22
tdasilvarledisez: do you know if the evenlet issue has been fixed in a recent version of grpcio?21:22
alecuyerthey have a patch to make grpc work with gevent https://github.com/grpc/grpc/issues/4629 but not eventlet21:22
* torgomatic_ is not familiar with the gRPC ecosystem21:22
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alecuyertorgomatic_do you mean, use protobuf and something else for network communication ?21:23
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torgomatic_alecuyer: yes21:24
tdasilvarledisez: nevermind, was under false impression...21:24
torgomatic_like I said, though, I don't know much about this ecosystem, so that may be an absolutely terrible idea21:25
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alecuyertorgomatic_: we could do that, they're separate libraries. So it's not a terrible idea at all. I started with grpc at a time where it worked fine… then it broke after 1.3.1.21:26
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alecuyerOn the other hand, I also wonder if we need eventlet on the object servers21:26
notmynamealecuyer: eventually, we definitely want to remove that, too21:26
notmynameagain, just a matter of figuring out the right order to do stuff :-)21:26
alecuyerright :)21:26
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notmynameis this a good summary? alecuyer has proposed the remainder of the LSOF code, but it's definitely a WIP. alecuyer will look at torgomatic_'s saio work to get it running. torgomatic_ will likely be looking at the patch, but others should too. especially to think about migrations21:28
notmynamethere's the higher level question of LSOF migrations and how that should be ordered against tsync work (ie remove rsync)21:28
alecuyerI think it's a good summary. I would add, before thinking about migrations, that I would like to have input on the general design, if there are things you feel should be done differently21:29
kota_sounds good to me.21:29
notmynamealecuyer: right!21:29
alecuyerI do have a few specific questions, but maybe I can put that in the review and we discuss this outside the meeting21:29
notmynameyes21:30
notmynamedoes anyone else have questions for alecuyer and rledisez about LSOF right now?21:30
rlediseznotmyname: what is the status of tsync? is there something in progress (eg: https://github.com/swiftstack/tsync). nothing started yet? how big do you think it will be? (tsync is quite small, but not complete)21:30
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notmynamerledisez: there's lots of good ideas for tsync, but nothing really done right now21:31
acolesalecuyer: review discussion can be hard to follow - gerrit is not great for that. another idea might be an etherpad. also not great, but discussion persists there beyond each patchset.21:31
mattoliverauNice work guys, and thanks alecuyer  for pushing it up as it is!21:31
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alecuyeracoles: right, I will make an etherpad page21:32
rlediseznotmyname: ack21:32
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notmynamerledisez: see also https://etherpad.openstack.org/p/swift-rebalance from the ideas wiki21:33
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notmynameideas wiki: https://wiki.openstack.org/wiki/Swift/ideas21:33
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rledisezyeah, I remember that, nicely analyzed :)21:34
tdasilvaacoles, alecuyer we could also have a video meetup if folks like that idea21:34
alecuyerfinally and I'll stop tallking about this unless you have questions :) there's a readme to get it running https://review.openstack.org/#/c/571763/2/README.LOSF21:35
notmynametdasilva: I feel like we should spend some time looking at the code first. but it's definitely a good idea21:35
notmynameis there anything else to bring up in the meeting today?21:36
notmynameor shall we call it done?21:36
tdasilvanotmyname: yep, agree.21:36
kota_wait21:36
notmynamekota_: what's up?21:36
kota_just a small note21:36
kota_https://review.openstack.org/#/c/564700/21:36
kota_#link https://review.openstack.org/#/c/564700/21:36
kota_i recently has been working on setting up s3api compatibility check with timburke21:37
kota_and it's close to get successful with any gates.21:37
kota_and I like to add it as the gate job (even it's non-voting)21:37
kota_if you have any opinions to that, please let me know at the patch.21:37
kota_it will creates like...21:38
kota_http://logs.openstack.org/00/564700/27/check/swift-tox-func-s3api-ceph-s3tests-tempauth/2742951/output/ceph-s3-summary.log21:38
notmynameI like it. thanks21:39
kota_i think it's worth to know which s3 apis are supported at the commit.21:39
mattoliverau+1 nice work21:39
kota_just a notification from me :)21:39
notmynamekota_: oh, I moved https://review.openstack.org/#/c/571561/ to swift from swift3. so it puts the s3 compat info in the docs21:40
kota_yup21:40
timburkeugh... that reminds me: i've got a whole bunch of patches i need to move...21:40
notmynamespeaking of patches (and our review change last week)...21:40
kota_notmyname: is it ready to review?21:40
notmynamedoes anyone have any patches that need extra eyes (ie more than 1 +2)?21:40
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notmynamekota_: yes21:41
kota_notmyname: i think you added workflow -1 at the swift3 for some reasons.21:41
notmynamekota_: correct. in part because of the planned move. in part because I was being silly21:41
notmynamekota_: that is, I had reasons that I've changed my mind on since then21:41
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kota_got it. I'll take a look.21:41
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notmynamethanks21:42
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notmynameI'm not seeing anyone else raise other issues to discuss this week21:42
m_kazuhiroI think patch 517389 is ready for review.21:42
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notmynameah, sorry. I didnt' move patchbot in here21:43
m_kazuhirohttps://review.openstack.org/#/c/517389/21:43
m_kazuhiroOops, merge conflict...21:43
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m_kazuhiroSorry I will fix it soon. But I think the patch can be reviewed.21:44
notmynamethanks21:44
notmynameI think we're done, then21:44
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notmynamethanks everyone for coming. and thanks for your work on swift21:44
notmyname#endmeeting21:45
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"21:45
openstackMeeting ended Wed Jun  6 21:45:07 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)21:45
openstackMinutes:        http://eavesdrop.openstack.org/meetings/swift/2018/swift.2018-06-06-21.01.html21:45
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/swift/2018/swift.2018-06-06-21.01.txt21:45
openstackLog:            http://eavesdrop.openstack.org/meetings/swift/2018/swift.2018-06-06-21.01.log.html21:45
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