Thursday, 2019-04-18

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openstackgerritCarlos Goncalves proposed openstack/octavia master: Add Python 3.7 support  https://review.openstack.org/63523600:16
openstackgerritCarlos Goncalves proposed openstack/octavia master: Add Python 3.7 support  https://review.openstack.org/63523600:22
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ivvejohnsom: if some old amphora row is left in octavia.amphora_health table really wierd stuff happens (even if it's busy column is set to 1), eventually health_manager breaks the haproxy to the controller nodes07:17
ivveprobably by spamming commands.. it shouts out this in non-debug: Amphora 725572bf-ab0f-4218-a9f1-470c1e94f3b2 health message was processed too sl07:18
ivveowly: 55.8338739872s! The system may be overloaded or otherwise malfunctioning. This heartbeat has been ignored and no update was made to the amphora health entry. THIS IS NOT GOOD.07:18
ivvei guess a lot of things have to go wrong for this to happen07:19
ivvebut the result is very unpleasant and probably impossible for someone to troubleshoot properly since haproxy to controller-nodes explode :)07:19
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ivvewell i was wrong, it can happen quite easily it seems. spawning a k8s cluster with default settings07:28
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johnsomivve Those log messages mean yout database is failing. Also make sure you have a current version of Octavia installed, as we spent a bunch of time optimizing the database calls to reduce the load on it and help the controllers scale.12:48
johnsomNot sure what you mean by controller haproxy, if the API is not responding well, maybe your host is overloaded from other applications/services?12:50
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ivvejohnsom: i located the problem. it was missing some health_manager settings. since one of the options is deprecated all default to "None"13:10
ivveso they have to be configured.. namely: health_update_threads = 5 & stats_update_threads = 513:10
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ivvethese are also "None" by default13:10
ivvesetting them resolved the issue completely13:10
ivveor it was just overloaded if default is lower13:11
ivveby controller haproxy i mean the loadbalancer that loadbalances api-calls for openstack in general (haproxy+keepalived for admin,public and internal api's)13:12
johnsomThose default to the number of processors on the host, so yes, may be too low in some cases13:13
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ivvejohnsom: wierd because i have quite a few processors.. maybe too many is also bad13:16
ivve11213:17
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openstackgerritTrevor Vardeman proposed openstack/octavia master: Adding changes to support ppc64le amphora builds with CentOS  https://review.openstack.org/65348814:30
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openstackgerritMerged openstack/octavia stable/queens: Fix a lifecycle bug with child objects  https://review.openstack.org/65298915:22
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openstackgerritTrevor Vardeman proposed openstack/octavia master: Adding changes to support ppc64le amphora builds with CentOS  https://review.openstack.org/65348816:11
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openstackgerritMichael Johnson proposed openstack/octavia-tempest-plugin master: Adds provider flavor capabilities API tests  https://review.openstack.org/63111319:15
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openstackgerritMerged openstack/octavia master: Fix missing REDIRECT_PREFIX in the api-ref  https://review.openstack.org/65279522:04
openstackgerritMichael Johnson proposed openstack/octavia master: Handle non-graceful shutdown  https://review.openstack.org/65387222:28
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cgoncalvesthis ^ is gonna be interesting reviewing :)22:43
cgoncalvesdb migration :(22:44
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