Monday, 2018-01-29

openstackgerritMerged openstack/oslo.concurrency master: Imported Translations from Zanata  https://review.openstack.org/53839400:08
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openstackgerritMerged openstack/oslo.concurrency master: Updated from global requirements  https://review.openstack.org/53713902:01
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openstackgerritMerged openstack/oslo.i18n master: Imported Translations from Zanata  https://review.openstack.org/53839604:20
openstackgerritMerged openstack/oslo.db master: Imported Translations from Zanata  https://review.openstack.org/53839004:20
openstackgerritMerged openstack/tooz master: Update reno for stable/queens  https://review.openstack.org/53759904:21
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openstackgerritMerged openstack/oslo.policy master: Updated from global requirements  https://review.openstack.org/53714604:32
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openstackgerritMerged openstack/oslo.reports master: Imported Translations from Zanata  https://review.openstack.org/53857204:34
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openstackgerritMerged openstack/oslo.service master: Imported Translations from Zanata  https://review.openstack.org/53856104:40
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openstackgerritMerged openstack/taskflow master: Update reno for stable/queens  https://review.openstack.org/53759705:34
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openstackgerritMerged openstack/oslo.middleware master: Update reno for stable/queens  https://review.openstack.org/53754705:49
openstackgerritMerged openstack/oslo.serialization master: Updated from global requirements  https://review.openstack.org/53715005:49
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openstackgerritMerged openstack/oslo.privsep master: Update reno for stable/queens  https://review.openstack.org/53755306:22
openstackgerritMerged openstack/oslo.log master: Update reno for stable/queens  https://review.openstack.org/53754106:23
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openstackgerritHoang Trung Hieu proposed openstack/tooz master: Zuul: Remove project name  https://review.openstack.org/53878306:35
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openstackgerritMerged openstack/oslo.log master: Updated from global requirements  https://review.openstack.org/53714407:00
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-openstackstatus- NOTICE: Zuul is currently under heavy load. Do not *recheck* or *approve* any changes.11:03
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-openstackstatus- NOTICE: Zuul is currently under heavy load. Do not *recheck* or *approve* any changes until we give the go ahead.13:33
*** ChanServ changes topic to "Zuul is currently under heavy load. Do not *recheck* or *approve* any changes until we give the go ahead."13:33
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-openstackstatus- NOTICE: we've been able to restart zuul, and re-enqueue changes for gate. Please hold off on recheck or approves, we are still recovering. More info shortly.14:30
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gcbweekly meeting in 5 minutes14:54
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gcb#startmeeting  oslo15:00
openstackMeeting started Mon Jan 29 15:00:27 2018 UTC and is due to finish in 60 minutes.  The chair is gcb. Information about MeetBot at http://wiki.debian.org/MeetBot.15:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.15:00
*** openstack changes topic to " (Meeting topic: oslo)"15:00
openstackThe meeting name has been set to 'oslo'15:00
gcbcourtesy ping for amotoki, amrith, bknudson, bnemec, crushil, dansmith, dhellmann15:00
gcbcourtesy ping for dims, dougwig, e0ne, electrocucaracha, flaper87, garyk, gcb15:00
gcbcourtesy ping for GheRivero, haypo, jd__, jecarey, johnsom, jungleboyj, kgiusti15:00
gcbcourtesy ping for kragniz, lhx_, lifeless, lxsli, Nakato, ozamiatin, rbradfor15:00
e0nehi15:00
gcbcourtesy ping for redrobot, rpodolyaka, sergmelikyan, sileht, spamaps, sreshetnyak, sreshetnyak15:00
gcbcourtesy ping for stevemar, therve, thinrichs, toabctl, viktors, zhiyan, zzzeek,zxy,stephenfin15:00
ansmithhello gcb15:01
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gcbhi e0ne  ansmith15:01
kgiustihi!15:01
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jungleboyjHowdy.15:02
gcbhi jungleboyj15:02
gcb#topic Red flags for/from liaisons15:02
*** openstack changes topic to "Red flags for/from liaisons (Meeting topic: oslo)"15:02
jungleboyjDon't think Cinder has any red flags.15:02
bnemeco/15:03
* gcb wave to bnemec 15:03
gcbjungleboyj: thanks15:03
smcginnisjungleboyj: We will need to get in the iso8601 change to be able to raise the g-r for oslo.versionedutils. That's all I'm aware of.15:03
jungleboyjsmcginnis:  Is there a patch for that?15:04
smcginnishttps://review.openstack.org/#/c/536182/15:04
jungleboyjsmcginnis:  Thank you.15:05
gcbsmcginnis: should we issue release for oslo.versionedobjects and other libraries this week ?15:06
gcbI think we passed the date we can do that15:06
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smcginnisgcb: oslo.versionedobjects was released, but now there is a failure on the patch to raise the global requirements.15:07
smcginnisSo worse case we will have to keep it capped for queens, but I think the requirements team is hoping the affected projects get updated and we can raise that.15:08
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crushilHi. Sorry I'm late15:08
gcbhi crushil15:10
gcbsmcginnis: do you mean https://review.openstack.org/#/c/538521/ and  https://review.openstack.org/#/c/531788/15:10
gcbjust https://review.openstack.org/#/c/538521/15:11
gcbhope we can bump that ASAP15:11
gcb#topic Releases15:12
*** openstack changes topic to "Releases (Meeting topic: oslo)"15:12
smcginnisgcb: Oh, thanks. I was just looking at https://review.openstack.org/#/c/538549/1, but it appears 538521 will be needed first.15:12
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gcbyeah, we need update upper-constraint first15:13
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gcbthere is no new release for oslo  this week15:14
gcb#topic PTG15:15
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gcbhttps://etherpad.openstack.org/p/oslo-ptg-rocky15:15
gcbstill need more topics to discuss, please feel free to add more :-)15:16
gcb#topic Stuck Reviews15:17
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gcbany stuck reviews ?15:17
gcbas we discussed in the last weekly meeting , we have been triaging bugs  and record ownership at the bottom of https://etherpad.openstack.org/p/oslo-queens-tasks15:19
gcbSome projects' bugs need to be triaged, please feel free to take over if you have time :-)15:20
gcb#topic Open discussion15:20
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kgiustiQ: would anyone object if I enabled "expire incomplete bugs" setting in launchpad for oslo.messaging?15:21
dhellmannwe should have that set for all repos15:21
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dhellmannI mean, it might not but, but it should be15:21
dhellmannugh, "might not be"15:21
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dhellmannso yes, please turn it on :-)15:22
kgiustiwill do, thanks.15:22
gcb++15:22
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kgiustiother news:  our friend msimonin from INRIA and the Fog/Edge/Massively Distributed Cloud WG has been testing oslo.messaging's behavior in various large scale tests...15:23
kgiustitime permitting he'd be able to talk about this at PTG (see line 66 in the ptg planning epad)15:24
gcbkgiusti: go to know that15:24
msimoninhi all :)15:25
gcbhi msimonin15:25
kgiustiIt's a great opportunity to get some feedback from large scale testing.  thanks msimonin!15:27
msimoninMy pleasure kgiusti :)15:27
msimoninhow much time do we have per slots ?15:27
kgiustiI suspect that depends on how many slots we use up :)  gcb?15:28
gcbit's depends on specific team,  maybe 45 minutes or longer than that15:28
gcbyeah, depends on the volumes of how many topics we have,  we have one day15:29
dhellmannwould this be a presentation of performance data, or proposals for improvements based on that performance data?15:30
msimoninThere will be data definetely15:31
msimoninRegarding possible improvements, there might be some discussions indeed15:32
dhellmannok, good15:32
msimoninI even know that kgiusti has some new APIs in mind :)15:34
kgiustimsimonin: now don't give away all the surprises! :D15:34
msimoninI'm just teasing a bit :)15:35
gcb:-), looking forward to surprises15:36
gcbJust a reminder of PTL elections :  http://lists.openstack.org/pipermail/openstack-dev/2018-January/126230.html15:37
gcbhttps://governance.openstack.org/election/15:37
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gcbany other topic ?15:41
gcbokay, we can end the meeting now, have a nice day everyone15:42
gcb#endmeeting15:43
*** openstack changes topic to "Zuul is currently under heavy load. Do not *recheck* or *approve* any changes until we give the go ahead."15:43
openstackMeeting ended Mon Jan 29 15:43:12 2018 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)15:43
openstackMinutes:        http://eavesdrop.openstack.org/meetings/oslo/2018/oslo.2018-01-29-15.00.html15:43
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/oslo/2018/oslo.2018-01-29-15.00.txt15:43
openstackLog:            http://eavesdrop.openstack.org/meetings/oslo/2018/oslo.2018-01-29-15.00.log.html15:43
jungleboyjThanks!15:43
kgiustibye!15:43
msimoninBye !15:44
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openstackgerritMerged openstack/oslo.messaging master: Add support for synchronous commit  https://review.openstack.org/53229716:07
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-openstackstatus- NOTICE: zuul.o.o is back online, feel free to recheck / approve patches.16:21
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openstackgerritJohn L. Villalovos proposed openstack/oslo.utils master: Document specs_matcher.py functions  https://review.openstack.org/53897016:53
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openstackgerritJohn L. Villalovos proposed openstack/oslo.utils master: Document specs_matcher.py functions  https://review.openstack.org/53897018:46
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: Add kafka config options for security (ssl/sasl)  https://review.openstack.org/53901720:37
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jrollhey y'all, these docs: https://github.com/openstack/oslo.db/blob/0260f0e/oslo_db/sqlalchemy/enginefacade.py#L268 seem to be the opposite of what the code does: https://github.com/openstack/oslo.db/blob/0260f0e/oslo_db/sqlalchemy/enginefacade.py#L39621:07
jrollis that intentional, or am I missing something? seems to me like the code is right and the docs are wrong21:08
zer0c00lharlowja: ^^21:09
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openstackgerritMichael Bayer proposed openstack/oslo.db master: Allow connection query string to be passed separately.  https://review.openstack.org/53903522:44
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openstackgerritMichael Bayer proposed openstack/oslo.db master: Allow connection query string to be passed separately.  https://review.openstack.org/53903522:51
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zer0c00lzzzeek: ping23:06
zzzeekzer0c00l: hi23:06
zer0c00lCould you clarify jroll's comment above please. I have been told that you are the best person to talk about this issue23:07
zer0c00li also opened up a bug here https://bugs.launchpad.net/oslo.db/+bug/174611623:07
openstackLaunchpad bug 1746116 in oslo.db "synchronous_reader: Either the code or documentation is wrong" [Undecided,New]23:07
zer0c00lMy question is does 'synchronous_reader' means do we assume the db is replicated synchronously?23:07
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melwittzzzeek: heh, yes I recommended you. they're using async replication and running into races with db reads of stale/slave fixed_ips table, yet none of the fixed_ips methods are decorated to use async reader23:09
melwittor allow_async23:10
zzzeekmelwitt: i am reading the code and re-familiarizing23:10
melwittcool. I dug into it several weeks ago and remained stumped as to how the slave connection was being read if no allow_async indicated23:12
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zzzeekmelwitt zer0c00l jroll it would appear that synchronous_reader's behavior is reversed all the way through, there's plenty of tests also and they seem to explciitly assoicate "synchronous_reader" with the async_reader_engine23:15
zzzeekmelwitt zer0c00l jroll so this needs to all be reversed23:15
zer0c00li see23:16
zer0c00lThis essentially breaks anyone who runs asynchronous replication between master db and slave :|23:17
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melwittzzzeek: interesting, I wonder when it regressed. and somehow I missed that it was all backward :\23:20
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zzzeekmelwitt: was wrong from day one23:20
zzzeekdo a git blame23:20
melwittwell, I know that async replication used to work. so maybe it happened when the session transaction manager stuff was added23:21
melwitt(which was a long time ago, I know)23:22
zzzeekmelwitt: if you used the @async_reader decorator then everything was fine23:23
zzzeekalso, replication lag is hard to actually hit w/ galera23:24
zzzeekits slight23:24
melwittzzzeek: what do you mean? in nova we have only had the async decorator on a couple of things (which we use to mean, safe to read from slave db)23:25
zzzeekmelwitt: it means if you had @reader decorator, and you had slave DB configured, it was reading from the slave DB.  when actually, since you set synchronized_reader to True (we assume), it should have been reading from the writer DB23:27
zzzeekmelwitt: you would only see a problem if you had a web method that used only @reader from beginning to end, and this @reader relied upon reading data just committed by a @writer, and then you got replication lag that caused that data to not be present yet in the slave DB23:27
openstackgerritMichael Bayer proposed openstack/oslo.db master: Reverse role of synchronous_reader  https://review.openstack.org/53904623:28
melwittzzzeek: I see23:28
melwittzer0c00l, jroll ^ patch is up23:30
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melwittthen hopefully we can backport it to stable/pike and stable/ocata and release .z releases for them23:31
zer0c00lThank you23:31
melwittand test it out if you can, make sure it solves all the issues you were seeing23:32
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