Wednesday, 2016-07-20

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eldon_when we need scale-out 4 vms, we create them in parallel?01:23
elynnyes, eldon_01:26
eldon_and then, if there is lb_balance policy attached to the cluster, we will create lb_member in parallel, but I find neutron don't support creating lb_member in parallel.01:27
elynneldon_, so when you use lb policy, you encounter a error ?01:31
elynnLet me check the codes for lb01:31
eldon_yes. neutron throws exception.01:32
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elynnHi yanyanhu01:32
yanyanhuhi, elynn01:33
elynneldon_, just encounter when they use lb policy01:33
elynnsince we scale out nodes in parallels.01:33
yanyanhuerror happened?01:33
yanyanhuyes, new node are created in parallel01:34
elynnbut lbv2 can't add these members in parallels.01:34
eldon_yes, but I think neutron should support creating lb_members in parallel.01:34
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yanyanhueldon_, yes, I think this is a defect of neutron lbaas service01:34
yanyanhuotherwise, the scalability is poor01:34
elynnWhen one action is handling by lbaasv2, the other need to check the status and wait.01:35
yanyanhuI guess there is limitation in some types of lb backend, e.g. haproxy01:35
yanyanhuwhich preventing adding lb member concurrently01:35
yanyanhueldon_, so the creation of new lb member failed for errors or just blocked for waiting for lb status update?01:37
elynnSince lb can't do this for now, we might need to check the lb status before we add member to lb pool
eldon_2016-07-17 23:40:34.293 4515 TRACE neutron.api.v2.resource     raise loadbalancerv2.StateInvalid(id=id, state=status)01:37
eldon_2016-07-17 23:40:34.293 4515 TRACE neutron.api.v2.resource StateInvalid: Invalid state PENDING_UPDATE of loadbalancer resource 0b2de551-782e-4744-9dce-eb55dda8e4e401:37
eldon_2016-07-17 23:40:34.293 4515 TRACE neutron.api.v2.resource01:37
eldon_2016-07-17 23:40:34.294 4515 INFO neutron.wsgi [req-69b68ecb-13b0-4058-97a4-8860d4690065 ] - - [17/Jul/2016 23:40:34] "POST /v2.0/lbaas/pools/34f325f7-5342-4bb8-b6d0-b30d1392e78c/members HTTP/1.1" 500 394 0.11353501:37
eldon_but member_add function is called in parallel.01:38
yanyanhueldon_, yes, we can use this way as a workaround I think01:38
elynnAlthough I think it should be handle by lbaasv2, but we might need a workaround.01:38
yanyanhuin long-term, lbaas should handle this issue.01:38
yanyanhuok, will think about it and propose a patch to fix it01:40
elynnA bit of stupid codes in heat to check pool status in heat too, hopefully one day we can get rid of them.01:40
yanyanhuelynn, yes, these problems should be handled in service side I feel rather than being thrown to consumer01:41
yanyanhueldon_, will check it and propose a fix01:41
yanyanhubut I feel this will influence the concurrency of scaling for waiting for lb status01:41
yanyanhubut we have nothing else to do if lbaas itself doesn't provide better concurrency support01:42
yanyanhuwe can mention this problem in our topic if it is accepted :)01:42
yanyanhuto ask lbaas guys improve their service01:43
eldon_and have we changed apis this year?01:43
yanyanhueldon_, you mean after tokyo summit?01:43
yanyanhuI think API interface does not change01:44
eldon_since last dec01:44
yanyanhujust added micro version API support01:44
yanyanhuI feel so01:44
eldon_ok~ 3Q~01:44
yanyanhumy pleasure :)01:44
yanyanhuoh, btw, have you guys updated senlin to latest code?01:45
yanyanhuthese are several important optimization been added in this year01:45
yanyanhueldon_, I suggest to make an upgrade if possible :)01:46
eldon_yes, I am considering about it:)01:46
yanyanhujust ping us if you have any question about the upgrading :)01:48
yanyanhuoh, BTW, eldon_ could you plz report a bug about this lb issue or you can paste the error and I will file a bug for it01:49
yanyanhuthanks a lot01:49
eldon_ok, glad to do~01:49
yanyanhueldon_, thanks :)01:50
openstackgerritQiming Teng proposed openstack/senlin: TODO: Add OSProfiler support
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openstackgerritQiming Teng proposed openstack/senlin: TODO Item for integration with Glare
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Qimingchenfei, online?02:22
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openstackgerritMerged openstack/senlin: Fix coverage test
openstackgerritMerged openstack/senlin: Trivial: use stripped path when doing collect
openstackgerritMerged openstack/senlin: Introduce microversion-parse package
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openstackgerritYanyan Hu proposed openstack/senlin: [Test]Requirement Conflict
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openstackgerritOpenStack Proposal Bot proposed openstack/senlin-dashboard: Imported Translations from Zanata
openstackgerritMerged openstack/senlin-dashboard: Imported Translations from Zanata
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openstackgerritMerged openstack/senlin: Change "senlin profile-create" to "openstack cluster profile create"
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openstackgerritOpenStack Proposal Bot proposed openstack/senlin: Updated from global requirements
openstackgerritOpenStack Proposal Bot proposed openstack/senlin-dashboard: Updated from global requirements
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