Wednesday, 2016-02-10

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openstackgerritMerged openstack/ceilometer: Update the home page  https://review.openstack.org/27666005:11
sravhiii, I want to test celiometer05:12
sravplease someone help05:12
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sravplease some one tell about telemetry05:18
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sanjanasrav:Maybe this will help you. https://wiki.openstack.org/wiki/Telemetry05:35
sravsanjana: I read about telemetry05:36
sravBut i want to know how to use it on devstack05:36
sanjanasrav: http://docs.openstack.org/developer/devstack/lib/ceilometer.html05:42
sravsanjana: how to create meter in ceilometer05:43
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sravI created an alarm that pings when the user creates more than two insttances07:02
sravbut alarm is not pinging even if the user creates more than two instances07:02
sravplease someone help07:04
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/gnocchi: Extend measures batching to named metrics  https://review.openstack.org/27336807:18
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sravI created an alarm that pings when the user creates more than two insttances  but alarm is not pinging even if the user creates more than two instances  please someone help08:58
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/aodh: devstack: Fix Keystone v3 configuration typo  https://review.openstack.org/27826109:11
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/ceilometer: devstack: Fix Keystone v3 configuration typo  https://review.openstack.org/27826309:15
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sufdI created an alarm that pings when the user creates more than two insttances09:40
sufdbut alarm is not pinging even if the user creates more than two instances09:40
sufdplease someone help on this'09:40
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silehtjd__, I have digged the timezone issue between aodh/gnocchi09:58
jd__sileht: cool09:59
jd__haha Nova gate broken because of eventlet09:59
* jd__ popcorns09:59
silehtjd__, aodh doesn't send the timezone while the datetime is utc with TZ09:59
jd__send where to?09:59
silehtjd__, aodh computes "start/stop" with a datetime in utc without TZ10:00
silehtand Gnocchi think it's local TZ  instead of UTC10:00
silehtjd__, so my is should we keep Gnocchi playing with the local TZ when TZ is present in a timestamp, or assumes no TZ is UTC ?10:03
silehtmy/my question10:04
* sileht rephrases10:04
silehtjd__, so my question is: should we keep Gnocchi playing with the local TZ when TZ is absent in a timestamp, or assumes no TZ is UTC ?10:04
jd__no tz is supposed to be UTC10:05
jd__but I can't imagine how Gnocchi would have a datetime object without tz10:06
jd__how does this happen?10:06
silehtThat my thought too, so I need to fix Gnocchi or oslo.utils don't known yet how do the mess10:06
silehtjd__, gnocchi always adds the TZ when this one is missing in the timestamp10:07
silehtjd__, but before adding UTC TZ, it convert the timestamp to the local TZ10:07
jd__everything that comes externally is parsed with iso8601 and that adds a TZ AFAIK10:08
jd__but if you see where it is, go fix it yeah10:08
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openstackgerritMerged openstack/gnocchi: minimise swift processing metric size  https://review.openstack.org/27787810:30
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silehtjd__, I have found !10:57
silehtjd__, we store the split key with local TZ10:57
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silehtjd__, I suspect something wrong in 'carbonara.AggregatedTimeSerie.get_split_key'11:27
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silehtjd__, I'm not sure this is a TZ issue, I open https://bugs.launchpad.net/gnocchi/+bug/1544014 to reproduce the issue I have11:57
openstackLaunchpad bug 1544014 in Gnocchi "aggregation won't work when start/stop are set" [Undecided,New]11:57
silehtjd__, the timezone issue of yurii is perhaps something in 1.3.X only11:58
* sileht -> lunch11:58
jd__sileht: ah :(12:02
jd__bon appétit12:02
jd__sileht: is it https://bugs.launchpad.net/gnocchi/+bug/1523549 ?12:03
openstackLaunchpad bug 1523549 in Gnocchi "Aggregation start/stop flags with timezone %2B or + issue" [High,Fix committed] - Assigned to Julien Danjou (jdanjou)12:03
silehtjd__, this is another one12:03
silehtjd__, here: https://github.com/openstack/gnocchi/blob/master/gnocchi/storage/_carbonara.py#L177-L17812:04
silehtjd__, we compare float and str12:04
silehtjd__, I have cast key in float but this is not sufficient to fix the bug12:04
* sileht -> really go to lunch :p12:05
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jd__sileht: everything should be str here (though having float might be smarter)12:09
openstackgerritJulien Danjou proposed openstack/ceilometer: Use overtest to setup functional backends  https://review.openstack.org/27573812:12
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openstackgerritIlya Tyaptin proposed openstack/ceilometer: [WIP] Caching info in the instance discovery  https://review.openstack.org/26707812:31
openstackgerritMichael Krotscheck proposed openstack/aodh: Added CORS support to Aodh  https://review.openstack.org/26534212:32
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openstackgerritMerged openstack/gnocchi: Extend measures batching to named metrics  https://review.openstack.org/27336814:01
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openstackgerritgordon chung proposed openstack/gnocchi: grab less data when adding measures  https://review.openstack.org/27760414:02
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openstackgerritgordon chung proposed openstack/gnocchi: grab less data when adding measures  https://review.openstack.org/27760414:03
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openstackgerritIlya Tyaptin proposed openstack/ceilometer: [WIP] Caching info in the instance discovery  https://review.openstack.org/26707814:13
openstackgerritMehdi Abaakouk (sileht) proposed openstack/python-gnocchiclient: Quote query string when POST is used  https://review.openstack.org/27838914:13
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silehtjd__, we should not use unix timestamp in filename14:35
jd__sileht: where? why?14:36
silehtjd__, the value of the splitkey looks depends of the timezone14:36
silehtjd__,  the timezone bug is vicious14:39
silehtjd__, when everything run UTC we are fine14:39
silehtjd__,if your daemon run UTC then you change the TZ without restarting them, you go in trouble, some python method run the new TZ some the old one14:40
gordcwasn't there a part of code that factored in tz?14:40
gordcah i see14:41
silehtjd__, in that case the split is wrongly computed14:41
silehtsplit/split key14:41
silehtjd__, when this is done, metricd generates file that shouldn't exists14:43
silehtjd__, then your restart your daemons, metricd uses again the files, but bad files are still present14:43
silehtthe good files are missing data14:44
silehtthe bad files content can be retreived via API, when the storage code use list_split_keys()14:44
jd__hum14:44
jd__datetime_to_unix bug?14:45
jd__you have a patch?14:45
silehtjd__, yes14:45
silehtI guess14:45
jd__I struggled a bit with datetime_to_unix I remember14:45
silehtjd__, I confirm :  http://paste.openstack.org/show/486571/14:47
jd__sigh14:48
silehtjd__, time.timezone is not updated when the timezone change14:50
silehtso vicious!14:50
gordcsileht: where you changing tz? on the machine gnocchi api is running on?14:51
silehtgordc, where gnocchi-metricd run14:51
gordcah i see.14:51
silehtthe API is impacted too, but it only read data, so it just missing data14:52
silehtwhen metricd compute data in a wrong file until is restarted14:52
gordcgot it...and the metricd issue is permament14:53
silehtnow I have to find a python method that always return the real timezone!14:53
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openstackgerritZi Lian Ji proposed openstack/ceilometer-specs: Extend the validation for generic pollster  https://review.openstack.org/27841915:04
jd__sileht: Python and datetime 🔥15:04
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openstackgerritDan Travis proposed openstack/ceilometer: Adds timestamp option to Aggregation transformer  https://review.openstack.org/27367215:07
openstackgerritZi Lian Ji proposed openstack/ceilometer-specs: Fix the typos in the ceilometer specs  https://review.openstack.org/27842415:13
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* sileht notes: never ever use time.timezone in python...15:14
openstackgerritMehdi Abaakouk (sileht) proposed openstack/gnocchi: Don't use time.timezone  https://review.openstack.org/27842715:15
silehtjd__, ^15:15
silehtarf some unit tests are broken wih my solution :(15:16
jd__haha you thought you were smart!15:16
jd__;)15:16
jd__sileht: is it related to my comment?15:17
silehtjd__, the fact is that pandas.Timestamp is more restrictive than datetime.datetime15:17
liamjigordc: Hi15:18
gordcliamji: hi, whatsup?15:19
gordcliamji: i thought it was holiday in china this week?15:19
ljxiash_gordc: yes, it's spring festival~15:21
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gordcljxiash_: why are you working?lol15:22
liamjicould you help to review the code https://review.openstack.org/#/c/274518/ if you have the time ? yes, it's the holiday in China : ).15:22
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gordcliamji: sure. i will take a look today15:23
liamjigordc: okey, thanks.15:23
gordcliamji: have a good holiday15:24
ljxiash_gordc: just on irc, to know what you are play with. lol15:24
liamjigordc: thanks.15:25
ljxiash_liamji: happy holiday!15:25
openstackgerritMehdi Abaakouk (sileht) proposed openstack/gnocchi: Don't use time.timezone  https://review.openstack.org/27842715:25
silehtjd__, fixed: https://review.openstack.org/27842715:25
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silehtjd__, I think all datetime that live in Gnocchi must have tzinfo set15:26
silehtjd__, but this method sometimes receive no15:26
silehttz aware datetime accordign the tests suite15:26
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jd__sileht: would be better to fix the tests I guess15:28
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silehtjd__, that doesn't looks a test issue, but the tests suite show the issue15:29
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jd__ok i'll look into that I guess15:30
silehtjd__, an example of test that fail: http://paste.openstack.org/show/486578/15:30
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jd__sileht: right, pandas returns Timestamp without any tz15:31
jd__it's easily fixable in carbonara here15:31
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silehtjd__, the tz is lost during serialization (that's fine)15:33
silehtjd__, but not readd during unserialization15:33
jd__yeah but that's easily fixable15:34
jd__since it's always utc15:34
jd__just .replace()15:34
jd__(in carbo)15:34
silehtyes I will propose something15:34
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jd__cool15:36
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pradkhey jd__, the tagging issue came up again in rdo meeting and we're being requested to bump master to a pre-release 2.0 tag ..15:49
jd__pradk: lol?15:50
pradki told apevac that we discussed this yesterday, he says we should be able to bump master to a pre release 2.0 tag before 2.0 comes out15:50
jd__pradk: can I request they fix their tool instead?15:50
pradki';m going to ask him to join the channel and we can discuss15:50
pradkhehe15:50
jd__I'd prefer to go over mail because I'm not gonna be on IRC steadily for a while15:50
pradkok np, i'll initiate one and we can take it from there15:51
pradkjd__, so your point is you dont want to push a random tag to master?15:52
pradkthere is no technical limitation in doing that right15:52
jd__pradk: also I wonder if the problem does not hit Swift for example?15:52
jd__pradk: sure I can push any tag AFAIK15:52
pradkapparently not, i havent checked swift.. only package with this issue right now is us15:52
jd__pradk: I guess because they did not released 2.6.1 yet15:53
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jd__pradk: also I'd be glad if you have info on what fails and how where (code, logs, etc)15:59
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pradkjd__, so its not really a failing issue.. its just how delorean gets master version and thats from pbr16:13
pradkjd__, so since master is 1.3.1 which is < 1.3.4 liberty gets picked up16:13
pradkusually master is expected to be newer than branches16:13
pradkhence the issue16:13
pradkif we can cut a pre-release alpha or beta tag for master we should be good16:14
pradkjd__,  something like 2.0.0a016:14
pradkjd__, when we install packages from repos, we enable delorean-deps + delorean .. delorean-deps is liberty testing and delorean is trunk.. so now we have gnocchi*1.3.4* in liberty testing and *1.3.1* in delorean.. ideally delorean trunk should win for mitaka but it doesnt as liberty version is newer16:18
pradkmakes sense?16:20
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/gnocchi: Don't use time.timezone  https://review.openstack.org/27842716:41
openstackgerritXia Linjuan proposed openstack/ceilometer-specs: Support collect neutron port meters  https://review.openstack.org/27347516:48
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openstackgerritgordon chung proposed openstack/gnocchi: ceph: delete measures asynchronously  https://review.openstack.org/27850616:49
openstackgerritIlya Tyaptin proposed openstack/ceilometer: [WIP] Caching info in the instance discovery  https://review.openstack.org/26707816:50
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openstackgerritgordon chung proposed openstack/gnocchi: ceph: delete measures asynchronously  https://review.openstack.org/27850617:00
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openstackgerritIlya Tyaptin proposed openstack/ceilometer: [WIP] Caching info in the instance discovery  https://review.openstack.org/26707817:05
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openstackgerritIlya Tyaptin proposed openstack/ceilometer: [WIP] Caching info in the instance discovery  https://review.openstack.org/26707817:12
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silehtjd__, I'm guessing that the bug can triggered when daylight occurs17:35
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openstackgerritXia Linjuan proposed openstack/python-aodhclient: format the output of alarm list and alarm show  https://review.openstack.org/27731017:39
gordcsileht: if you have time, can you look at how to get https://review.openstack.org/#/c/266073/ passing... is the only solution to have aodhclient+aodh+gnocchi+keystone installed?17:40
silehtgordc, I put this on my TODO for tomorow morning17:42
gordcsileht: thanks dude! :)17:42
openstackgerritXia Linjuan proposed openstack/python-aodhclient: add alarm history unit test  https://review.openstack.org/27339717:47
openstackgerritMehdi Abaakouk (sileht) proposed openstack/gnocchi: Don't use time.timezone  https://review.openstack.org/27842717:51
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/gnocchi: Don't use time.timezone  https://review.openstack.org/27842717:57
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openstackgerritMichael Krotscheck proposed openstack/aodh: Added CORS support to Aodh  https://review.openstack.org/26534217:59
krotscheckLet's try that one more time!18:01
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/python-aodhclient: WIP: Add gnocchi alarm rules  https://review.openstack.org/26607318:12
silehtgordc, pradk I have updated https://review.openstack.org/26607318:12
silehtgordc, pradk gnocchi/aodh works, the tests are still failling but not because their doesn't run :p18:12
silehtgordc, yeah I have lied, I have do it now :p18:13
gordcsileht: :) good lie18:13
gordcthanks for looking at it.18:13
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silehtgordc, the biggest issue was the missing service_credentials section  in aodh, other stuff I have changed are just cleanup18:14
silehtbye see you tomorrow18:15
gordcsileht: yeah, i didn't understand it tbh.lol18:15
gordcthanks again!18:15
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openstackgerritNadya Shakhat proposed openstack/ceilometer: [WIP] Add cache abstraction  https://review.openstack.org/27671418:25
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jd__pradk: Gnocchi does not follow any cycle so there's no Liberty, Mitaka whatever – ever we fix Delorean to be taught to *grab master and use it* or we just wait for 2.0.0 to be released when it's released18:44
jd__pradk: which fingers crossed should be in ~10 days18:44
openstackgerritMerged openstack/aodh: devstack: Fix Keystone v3 configuration typo  https://review.openstack.org/27826118:44
openstackgerritJulien Danjou proposed openstack/gnocchi: indexer: replace get_metrics() by list_metrics()  https://review.openstack.org/27468318:52
openstackgerritJulien Danjou proposed openstack/gnocchi: rest: implement groupby in resource/metric aggregation  https://review.openstack.org/27468418:52
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marcin12345hello guys, do could anyone give me any hint how to configure Liberty Ceilometer with Gnocchi with InfluxDB?19:06
marcin12345so far I have those components installed, but need to connect with each other19:06
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marcin12345so far the only documentation I found is in Ceilometer Liberty release notes: "influxdb driver implemented - experimental"19:08
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gordcmarcin12345: influxdb was put on hold.19:23
gordcwe ran into too many blockers on influxdb side that we gave up on it at the time.19:24
gordci don't know if we'll start it up back up again to be honest but it's an option if someone wants to commit time to it19:24
marcin12345gordc: ah.. , so how can I use ceilometer with Gnocchi without Influxdb then?19:28
marcin12345I need to eliminate MongoDB if possible19:28
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deepthi@channel , Is there a good documentation to create the events and alarms in ceilometer?19:31
gordcmarcin12345: there's carbonara driver which is a native backend... it uses either ceph,swift or your filesystem19:31
gordcmarcin12345: http://gnocchi.xyz/install.html some details19:32
gordcfile driver is probably the easiest setup but the scaling is limited to your file system.19:33
marcin12345gordc: which one would scale the best? I need it for 20k+ vms19:33
gordcceph+postgresql is probably worked on the most.19:34
gordci would probably play with sql+file backend first to get an idea of whether it works for what you need19:34
gordcalso, we don't really have a 2.0 release yet with some of the more major improvements so you'd probably want to wait on that before anything19:35
marcin12345how about ceph+mysql, I would use the existing mysql that is used for nova, neutron etc. that way I do not need new db, would that work?19:36
marcin12345gordc: 2.0 of Ceilometer?19:36
gordcyeah. there's no postgresql specific code in gnocchi. postgres is just the preferred db for most of the devs working on it.19:37
gordcgnocchi2.019:37
gordcright now it's gnocchi1.3.4 i believe19:37
marcin12345is there a reason why mysql would not work?19:37
gordcgnocchi2.0 rewrites some of the schema so to avoid migration hassle it's probably best to start there.19:37
gordcmysql is fine. we just like postgres better :)19:38
gordc(some of us)19:38
marcin12345it would be good to know technical reason of liking postgres better. It is just more cost efficient to re-utilize existing mysql instead of introducing new db only for ceilometer19:39
marcin12345when gnocchi 2.0 will be out?19:39
marcin12345I mean available19:39
gordcmarcin12345: reuse mysql. it's really just a personal preference or something along the line of googling 'mysql vs postgresql'19:41
gordci'm sure you can argue either way which one is better19:41
marcin12345ok19:41
gordcwe're still testing it out. you can run against master to try.19:42
marcin12345what is the main improvement/feature in 2.0?19:43
gordcmain one is probably how we store datasets... one large chunk vs smaller(v1.3), time-spliced chunks(v2). it's to optimise the amount of data that is processed and transferred.19:45
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gordca compression patch may also land in v219:45
gordchttps://review.openstack.org/#/c/276365/ if you're curious19:46
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openstackgerritgordon chung proposed openstack/gnocchi: swift: use bulk deletes  https://review.openstack.org/27858419:48
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openstackgerritgordon chung proposed openstack/gnocchi: ceph: delete measures asynchronously  https://review.openstack.org/27850620:02
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marcin12345gordc: man installing devstack with gnocchi takes few tries...21:18
gordcmarcin12345: weird, what errors you getting?21:18
marcin12345related to bunch of dependencies pulled via pip, specific versions krb5-libs etc.21:19
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marcin12345I think it is compiling internet ;)21:19
gordcnot even sure what that lib is to be honest.21:19
marcin12345and another one "libxml2 and libxslt" needed, pushing through this21:20
gordcfrom gnocchi? possibly some secondary dependencies.21:22
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marcin12345gordc: it is not for gnocchi, but for other projects, I am doing all in one install, to understand how to configure Gnocchi with mysql and file, due to lack of documentation about this.. I have to reverse eng21:45
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openstackgerritOpenStack Proposal Bot proposed openstack/ceilometer: Updated from global requirements  https://review.openstack.org/27722721:51
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openstackgerritOpenStack Proposal Bot proposed openstack/python-ceilometerclient: Updated from global requirements  https://review.openstack.org/27872221:58
gordcmarcin12345: what steps are missing from this: http://gnocchi.xyz/install.html#installation-using-devstack ?22:06
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gordcmarcin12345: feel free to open bug against docs so we can make things better.22:12
openstackgerritgordon chung proposed openstack/gnocchi: ceph: delete measures asynchronously  https://review.openstack.org/27850622:13
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openstackgerritDan Travis proposed openstack/ceilometer: Adds timestamp option to Aggregation transformer  https://review.openstack.org/27367222:15
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marcin12345gordc: I think part of the problem is that I had centos 7.0 with updated packages, I am going to retest with cents 7.2 freshly installed22:23
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gordcmarcin12345: cool cool. let us know if you run into anything22:24
marcin12345sure22:24
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openstackgerritgordon chung proposed openstack/gnocchi: KEYSTONE_CATALOG_BACKEND is deprecated  https://review.openstack.org/27876822:25
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openstackgerritgordon chung proposed openstack/ceilometer: KEYSTONE_CATALOG_BACKEND is deprecated  https://review.openstack.org/27877122:32
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openstackgerritgordon chung proposed openstack/aodh: KEYSTONE_CATALOG_BACKEND is deprecated  https://review.openstack.org/27878022:38
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