Monday, 2017-07-10

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openstackgerritDeepthi V V proposed openstack/telemetry-specs master: Implements network-statistics-from-opendaylight  https://review.openstack.org/47524107:22
openstackgerritDeepthi V V proposed openstack/ceilometer master: Ceilometer meter support to collect network statistics.  https://review.openstack.org/47788307:25
openstackgerritDeepthi V V proposed openstack/ceilometer master: Gnocchi support for SDN controller meters  https://review.openstack.org/47815907:25
openstackgerritDeepthi V V proposed openstack/ceilometer master: Project_id for SDN controller meters  https://review.openstack.org/48004007:25
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openstackgerritOpenStack Proposal Bot proposed openstack/aodh master: Imported Translations from Zanata  https://review.openstack.org/48157310:59
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openstackgerritDeepthi V V proposed openstack/ceilometer master: Ceilometer meter support to collect network statistics.  https://review.openstack.org/47788311:14
openstackgerritDeepthi V V proposed openstack/ceilometer master: Gnocchi support for SDN controller meters  https://review.openstack.org/47815911:14
openstackgerritDeepthi V V proposed openstack/ceilometer master: Project_id for SDN controller meters  https://review.openstack.org/48004011:14
openstackgerritzhurong proposed openstack/panko master: Devstack install with pankoclient  https://review.openstack.org/48155011:25
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/aodh master: gnocchi: return better 'insufficient data' reason  https://review.openstack.org/47077813:18
openstackgerritMehdi Abaakouk (sileht) proposed openstack/aodh master: Expose alarm state reason to API  https://review.openstack.org/47077713:18
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nicodemus_hello gordc, do you have a moment? I just need to ask a quick question15:37
nicodemus_Is the Ocata gnocchi dispatcher able to choose which archive policy to use when pushing metrics? I remember it to be possible in older versions, specifying the archive policy in the ceilometer config file15:39
jd_nicodemus_: archive policy rules in the answer15:40
nicodemus_jd_, so... the answer would be "no", right?15:41
jd_but… I say it's archive policy rules, not "no"! :)15:41
jd_but yeah IIRC we removed the settings from Ceilometer15:42
nicodemus_thing is, you map a metric to an archive policy, but in the event that two different clients want to push the same metric you have no means to separate metric A from client A versus metric A from client B15:42
jd_client or Ceilometer?15:42
jd_or client that are Ceilometers?15:43
nicodemus_client was not a good choice of word... let's say customer15:43
nicodemus_customer A and customer B want to POST the same metric, but I'd like to have that metric from one customer to use a different archive policy15:44
jd_wah15:44
jd_err I think we never though somebody would do that15:44
jd_+t15:44
jd_let me check if we did remove it15:44
jd_I don't recall exactly15:45
nicodemus_hahah we always have a weird requirement15:45
jd_no we did not removed it15:45
jd_we are planning to deprecate it15:45
gordci don't understand how the same metric would have different policy.15:45
jd_maybe we should not15:45
jd_gordc: different needs?15:45
jd_gordc: from 2 different ceilometers15:46
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gordcbut they are two different metrics... but have the same attributes.15:46
nicodemus_in this specific case, one customer wishes to have monitoring and the other wishes to have just an hourly rating15:46
nicodemus_and we look to remove unnecessary processing from gnocchi15:47
jd_gordc: I don't understand what you don't understand15:47
gordchahah15:47
nicodemus_that means not processing every 10 minutes for the customer that doesn't need monitoring15:47
jd_nicodemus_: so yeah you can do the same thing with ocata15:48
nicodemus_jd_, that's good news15:48
gordcyeah i don't understand. if userA pushes cpu_util of vmA and userB pushes cpu_util of vmA. isn't that just same metric, but an archive policy containing two granulariteis?15:48
openstackgerritJulien Danjou proposed openstack/ceilometer master: Revert "deprecate archive policy of Gnocchi dispatcher"  https://review.openstack.org/48219115:49
gordcgranularities*15:49
jd_gordc: this is not what nicodemus_ says15:49
jd_gordc: ceilometerA pushes cpu_util of vmA for userA and ceilometerB pushes cpu_util of vmB for userB15:50
nicodemus_^ that's right15:50
jd_but userA wants archive policy low and userB wants high15:50
gordcoh. that's just two separate metrics in my mind.15:51
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jd_gordc: it is, but you can't do that without having the option for each ceilometer to force their archive policy at metric creation time15:53
jd_archive policy rule won't cover that use case15:53
gordcword.15:53
openstackgerritChason Chan proposed openstack/python-ceilometerclient master: Docs: switch to openstackdocstheme  https://review.openstack.org/47675715:54
gordcjd_: your revert only supports scenario where both users are coming from completely separate ceilometer?15:56
jd_gordc: yes…? what's the trap in your question?16:03
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gordcjd_: how many people have multiple different ceilometer's running? i imagine it's one ceilometer per region...16:05
jd_gordc: at least nicodemus_ ?16:05
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gordc*shrugs* must be fun figuring out how to direct messages.16:08
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openstackgerritChason Chan proposed openstack/python-ceilometerclient master: import content from cli-reference in openstack-manuals  https://review.openstack.org/48220416:18
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nicodemus_gordc, in our case it is one ceilometer per domain16:23
nicodemus_with our nasty domain patch16:23
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flwanggordc: jd_: questions about gnocchi21:37
flwanggordc: jd_: does gnocchi support a pluggable transformer for metrics?21:38
flwangthe background is we're experiencing a performance issue of ceilometer + mongodb21:38
flwangso we're planning to gnocchi to improve the API performance when collecting data from ceilometer/gnocchi21:39
gordcwhat does pluggable transformer mean?21:39
flwangbut we're wondering if we can do it more aggressive21:39
flwanggordc: 1 sec, let me show you something21:39
flwanggordc: see https://github.com/openstack/distil/blob/master/distil/transformer/conversion.py21:40
flwangdistil is our billing system21:40
flwangnow we're collecting data from ceilometer and then wash/transform them into the format we can use for billing21:40
flwangso that means Distil  needs to call Ceilometer/Gnocchi API to get the metrics, transform them, save in local Distil Database21:41
flwanginstead of getting the data and saving locally, i'm thinking if we can transform the data at the first place, by Gnocchi21:42
flwangespecially given now Gnocchi is a general metrics as  a service21:42
flwangdoes that make sense? gordc, jd_ ^21:43
gordcflwang: are you just computing the lifecycle of a resource?21:43
flwangkind of, another transformer class https://github.com/openstack/distil/blob/master/distil/transformer/arithmetic.py21:44
gordcerr... i don't really know what context your using these transformer... the arithmetic stuff seems like what gnocchi does already with aggregations.21:46
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gordcis raw_data the output of running ceilometer sample-list -m meter_name?21:48
flwanggordc: yep21:51
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gordcflwang: i'll be honest, i have no idea how start/end related to the raw_data. gnocchi simplest description is roughly equivalent to "ceilometer statistics -m meter --resource_id blah"21:57
gordcit does capture lifecycle as well but probably not for the NetworkServiceTransformer you have21:58
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