Tuesday, 2015-06-16

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esmutevipul, sputnik13: Out of 10 times, integration tests failed 2 times. Both cases the cluster failed to get active and both cases was due to rabbitmq crashing with the same error. Here is the log: http://paste.openstack.org/show/296001/18:26
esmuteSomething about setting this config: {rabbit_disk_monitor,start_link,[{mem_relative,1.0}]}}18:27
esmuteI looked online and saw http://rabbitmq.1065348.n5.nabble.com/disk-free-limit-mem-relative-1-0-td36187.html18:27
esmuteLooks like this is an issue for Rabbitmq 3.2.x18:27
openstackgerritMin Pae proposed stackforge/cue: Fix revert on ERROR/Exception  https://review.openstack.org/19008118:27
esmuteHere is the logs for the run: http://logs.openstack.org/73/187273/8/check/gate-cue-integration-dsvm-rabbitmq/a59fee6/logs/devstack-gate-post_test_hook.txt.gz18:27
sputnik13vipul https://review.openstack.org/#/c/190081/ is ready for review and merge18:28
sputnik13that's the patch to fix the revert logic18:28
sputnik13taskflow 0.11.0 got released a little while ago18:28
sputnik13ah nuts I clobbered my own change during rebase18:29
openstackgerritMin Pae proposed stackforge/cue: Fix revert on ERROR/Exception  https://review.openstack.org/19008118:30
sputnik13ok, now it's read18:30
sputnik13s/read/ready18:30
esmutevipul, sputnik13: i suggest to make this gate voting since the failures are not that frequent and it is due to a rabbitmq bug18:32
esmutewhich can be fixed if we installed rabbitmq 3.318:32
sputnik13esmute: well, I would kind of agree except we said let's run it a minimum of 20 times18:32
sputnik13let's finish the remaining 10 or more runs, and then see18:33
esmutesputnik13: Sure... 10 more run to go18:33
esmutei was just giving you guys an update :p18:33
sputnik13but in general I agree the error you point out has nothing to do with the tempest test itself18:33
sputnik13and we're probably good with making this voting18:34
sputnik13but at the same time, we also said let's not set ourselves up for failure by turning on a job we know fails18:34
sputnik13perhaps we should update the image build process to use the latest version of rabbit, or some pinned version before we make the tempest check voting18:35
sputnik13so that we at least address this bug18:35
vipulhave we tried modifying the rabbitmq config to not set this?18:35
esmuteit is set by default18:36
esmutehttp://www.rabbitmq.com/configure.html18:36
esmutedisk_free_limit18:36
esmuteperhaps we can set it not to be mem relative18:37
sputnik13why is it even mem relative in the first place18:37
sputnik13is it because of swap?18:37
sputnik13swap is usually its own partition18:38
sputnik13so that makes no sense18:38
vipulmaybe it has to do with durable queues..18:38
esmuteill put a patch to set this config to an integer number instead18:38
sputnik13maybe, but I think the real answer is we don't know18:38
esmuteand see if that fixes the issues18:39
vipulhttps://github.com/stackforge/cue/blob/master/cue/templates/install_rabbit.sh.tmpl#L3718:39
esmutehow do we set rabbitmq conf values?18:39
vipulso we are setting this18:39
vipulwhy not just get rid of the config18:39
sputnik13we got that from the legacy product I think18:39
esmuteahh you are right... the default is 50MB. http://www.rabbitmq.com/configure.html18:40
vipulyep18:40
sputnik13I agree let's just remove it for now18:40
esmuteyeah.. i didnt know that was being explicitly set18:40
sputnik13when we dive in deeper with tuning rabbit we'll be able to make better sense of these configs18:40
esmuteill remove it18:40
openstackgerritSteve Leon proposed stackforge/cue: Removing disk_free_limit from rabbitmq conf  https://review.openstack.org/19235618:47
esmutevipul, sputnik13: ^18:48
vipulesmute: let's recheck that patch18:49
vipulmeaning use that patch to gauge stability18:50
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esmuteok18:53
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openstackgerritAbitha Palaniappan proposed stackforge/cue: Fix to return broker values for 'broker add' command  https://review.openstack.org/18994520:08
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openstackgerritAbitha Palaniappan proposed stackforge/cue: Fix to return broker values for 'broker add' command  https://review.openstack.org/18994521:17
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