Tuesday, 2017-11-28

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openstackgerritMerged openstack/oslo.messaging master: don't convert generator to list unless required  https://review.openstack.org/52293403:52
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openstackgerritMerged openstack/oslo-specs master: Propose specification to include policy scope  https://review.openstack.org/50020706:19
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openstackgerritOmer Anson proposed openstack/osprofiler master: Add initial 'trace list' command  https://review.openstack.org/52138506:56
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openstackgerritOmer Anson proposed openstack/osprofiler master: Add initial 'trace list' command  https://review.openstack.org/52138509:34
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: DNM - Add base job for functional tests  https://review.openstack.org/52322113:41
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gordcsileht: created a bug. https://bugs.launchpad.net/oslo.messaging/+bug/1734788 but i think your statement last week regarding acknowledging messages in main thread is the right reason for performance degradation.14:12
openstackLaunchpad bug 1734788 in oslo.messaging "serial message ack is slow" [Undecided,New]14:12
gordcabout 80% of time from prefetch to ack is acknowledging messages.14:13
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silehtgordc, thx for tracing and traching this14:19
silehtgordc, I will try to ack msgs in back14:20
silehtbatch14:20
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gordcsileht: yeah, i think that's good. i just wasn't sure if batch was possible with multi-thread.14:22
gordcsileht: there's some more comments at bottom of https://bugs.launchpad.net/ceilometer/+bug/172986514:22
openstackLaunchpad bug 1729865 in Ceilometer "partitioning queues not cleared" [Critical,Triaged] - Assigned to gordon chung (chungg)14:22
silehtgordc, it's just new Event() to put every to make the sync, async14:22
gordcbut apparently it will only ack messages if there are messages waiting to be queued14:22
gordcif there are no new messages, it might not ack any older messages.14:23
gordcsileht: oh. i thought about using multiple=True to ack everything up to including message. but i'm pretty sure that isn't safe.14:26
silehtgordc, I'm already writting something14:27
gordc:)14:28
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silehtgordc, I just seen that amqp1 driver doesn't wait ack/requeue to finish to release the thread14:37
silehtgordc, https://github.com/openstack/oslo.messaging/blob/master/oslo_messaging/_drivers/amqp1_driver/controller.py#L242-L24614:38
silehtmaybe we should just do the same of rabbit14:38
gordcsileht: rabbit driver blocks until it ack/requeue all it's messages?14:40
gordci'm not really familiar with how the rabbit code works (and i've never looked at amqp1 driver).14:41
silehtgordc, by default you have 64 threads a thread is release only when all msgs are requeues14:41
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silehtor acks14:41
gordcbut your suggestion makes sense14:41
silehtI have no idea why we wait14:41
gordcah. i see.14:41
gordci assumed it had something to do with rpc stuff?14:42
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silehtgordc, I try to imagine bad scenario if we don't wait ack14:43
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silehtgordc, I will remove it and see what kgusti say and why he haven't done it for amqp114:45
gordcsileht: cool cool. works for me.14:46
silehtgordc, I think the only reason is tests won't pass anymore14:46
gordci can probably get around this ack issue by enabling threads in ceilometer as well.14:46
gordcbut that's just hiding the problem.14:46
silehtgordc, if we should keep this ack waiting() for whatever reason, I will submit my patch to acks all and wait once14:47
gordckk. makes sense to me.14:48
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/oslo.messaging master: rabbitmq: don't wait for message ack/requeue  https://review.openstack.org/52343114:57
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silehtgordc, I think that was only to not having ton of greenthread in the past, but since I moved all ack/requeue to the main oslo.messaging thread instead of the application thread, this is no longer the case14:58
gordcsileht: i see.14:59
gordci'll try your patch14:59
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gordcsileht: that change seems better at first test on single machine.15:23
gordcthe existing code doesn't work on a single machine so this is better :)15:24
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: DNM - Add base job for functional tests  https://review.openstack.org/52322115:45
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: Setup bindep_file for each driver  https://review.openstack.org/52345516:14
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mriedemi'm trying to re-use the log_options option from oslo.service when starting up nova-api and placement-api using uwsgi (so no oslo.service launcher involved): https://review.openstack.org/#/c/519462/17:24
mriedemproblem is we do'nt have the oslo.service.service options registered at the time that i try to use them,17:24
mriedemi could register them manually by digging into oslo.service._options but i know i shouldn't access a "private" module like htis17:25
mriedem*this,17:25
mriedemso question is, should i even attempt to re-use the log_options option from oslo.service for non-oslo.service things in nova? or just do something different in nova, like always log options when debug=True (which is what the placement-api wsgi app code does today)17:25
mriedemif i re-use the options, i could add a method to oslo.service.service like oslo.messaging.transport.set_transport_defaults17:26
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: Setup bindep_file for each driver  https://review.openstack.org/52345518:05
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openstackgerritgordon chung proposed openstack/oslo.messaging master: DNM: testing  https://review.openstack.org/52010919:33
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: Provide bindep_profile in openstack-tox job setup  https://review.openstack.org/52345520:00
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openstackgerritKen Giusti proposed openstack/oslo.messaging master: Add zmq packages that are no longer in bindep-fallback  https://review.openstack.org/52062620:03
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openstackgerritAndy Smith proposed openstack/oslo.messaging master: Provide bindep_profile in openstack-tox job setup  https://review.openstack.org/52345523:36
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