Wednesday, 2017-06-28

openstackgerritxiexianbin proposed openstack/ceilometer stable/newton: Fixed error use retry_on_disconnect decorator  https://review.openstack.org/47832600:40
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openstackgerritxiexianbin proposed openstack/ceilometer stable/newton: Fixed NotificationService object has no attribute refresh_pipeline_periodic  https://review.openstack.org/47833902:09
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openstackgerritxiexianbin proposed openstack/ceilometer master: Fixed ceilometer arithmetic transformer bug  https://review.openstack.org/47835203:13
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openstackgerritMehdi Abaakouk (sileht) proposed openstack/ceilometer master: Fix some initializations  https://review.openstack.org/47837704:33
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openstackgerritDeepthi V V proposed openstack/ceilometer master: Ceilometer meter support to collect network statistics.  https://review.openstack.org/47788305:25
openstackgerritDeepthi V V proposed openstack/ceilometer master: Gnocchi support for SDN controller meters  https://review.openstack.org/47815905:25
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openstackgerritxiexianbin proposed openstack/ceilometer master: Fixed ceilometer arithmetic transformer bug  https://review.openstack.org/47835206:08
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openstackgerritJulien Danjou proposed openstack/ceilometer master: Limit the default numbers of metrics polled  https://review.openstack.org/47583813:20
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openstackgerritgordon chung proposed openstack/aodh master: switch to openstackdocstheme  https://review.openstack.org/47623113:34
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lpigueirashello guys, I was tring to set up a ceilometer notification agent to read openstack notifications but I have a problem15:21
lpigueirasbasically ceilometer-agent is spawning new threads and not cleaning any all the old threads15:22
lpigueirasexample: https://pastebin.com/gqk5xdpu15:22
lpigueirasi'm not using anything fancy in the ceilometer.conf :(15:23
lpigueirasputting it in debug I think it spawns new thread with each of this new messages: https://pastebin.com/3CTmcanM15:23
lpigueirasdo you know if I have a misconfiguration? is it a bug?15:24
gordclpigueiras: you've set workers under [notification] section of ceilometer.conf15:27
gordcthose all belong to same parent based on ids... doesn't seem like you have any old threads iiuc15:28
lpigueirasit's not the `ps -ef | grep ceilometer` the problematic one15:29
gordcthe debug log is output every time ceilometer/oslo.messaging handles a message15:29
lpigueirasit's the `ps -T -p 10952 10953 10954 10955` which gives me 3.4k threads15:29
gordclpigueiras: the master process doesn't actually do much it just manages the workers.15:30
gordcthe reason you have so many threads in the worker processes is (probably) because oslo.messaging is threaded and by default i think it creates 64 threads for every single listener15:31
lpigueiras64 * 4 = 256 no?15:31
lpigueirasexecutor_thread_pool_size = 64, i guess you are speaking about this setting15:32
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gordcyeah. there is usually more than one listener if you have workload_partitioning enabled.15:33
gordci'm not entirely sure how you got 3.4K though.15:33
lpigueirasit actually never stops growing as I said, ATM I have 3.9k15:34
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gordclpigueiras: what version of oslo.messaging do you have?15:35
lpigueiras5.1715:36
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gordchmm.. i have 5.27 and have 167 results when i run ps -T on my 2 notificaiton workers15:37
lpigueirasi can try to update to 5.27 and see the results...15:38
gordci'm also using master ceilometer (but i don't recall much work being done on ceilometer recently)15:43
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lpigueirasi'll keep investigating15:50
lpigueirasbtw I have 62 `messaging_urls` in my config file, not sure if it has something to do with my problem...15:51
lpigueirasthanks for the help ^^15:51
gordchm... possibly? i'm not entirely sure how oslo.messaging handles messaging_urls. sileht ^^?15:52
gordci imagine it should be increasing though (it's not in my environment.)15:52
gordcshouldn't*15:52
sileht62 urls oO15:53
silehtso you will have something like 62 * 4 *6415:53
lpigueirasmmm decreasing the value in executor_thread_pool_size should do the trick?15:56
lpigueirasthe 62 urls is because most of them are nova cells rabbits ¯\_(ツ)_/¯15:57
lpigueirasour nova master is planning to change the config to move the notifications to one single notification rabbit, but until he comes back from holidays ...15:57
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