Thursday, 2017-05-25

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gcbdims: done01:42
dimsthanks gcb01:42
dimsgcb : do you have time to write a oslo.cache/dogpile backend for etcd3?01:43
dimsgcb : or know anyone who has some time?01:43
gcbdims: do you mean write a driver in oslo.cache to access etcd3?01:45
gcbor a backend in dogpile.cache to access etcd3, do you have link with more details,  I have little time to do that if we decide to do that01:47
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dimsgcb : it would be like oslo_cache.backends.dictionary:DictCacheBackend or oslo_cache.backends.mongo:MongoCacheBackend01:51
dimsgcb : and would use etcd 3.x to store/retrieve data01:52
gcbgot it, like the implements  in tooz with etcd3 ?01:53
dimsyep01:54
dimswe will need 2 flavors just like the 2 in tooz01:54
gcbdims: I can write the code,  maybe begin in next week, there is a holiday on next Monday/Tuesday for Chinese01:56
gcbdims: do we need a spec ?01:56
dimsgcb : ack, i may throw in a proof of concept if i get a chance and we can tag team, ok?01:57
dimsgcb : don't think so, it's just another driver01:57
gcbdims: ok01:58
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openstackgerritHoupeng Liu proposed openstack/oslo.messaging master: Remove log translations  https://review.openstack.org/46793609:08
openstackgerritKiseok Kim proposed openstack/oslo.log master: Fix bug in log_method_call decorator  https://review.openstack.org/44490809:35
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Dinesh_Bhorgcb: ping11:01
gcbDinesh_Bhor: pong11:03
Dinesh_Bhorgcb: About this: https://review.openstack.org/#/c/296209/3/oslo_db/sqlalchemy/migration.py I can see lot of exceptions are getting raised from upgrade method. Catching all the exception and wrapping them into DbMigrationError will be overhead. Instead of this can I just catch generic 'Exception' and wrap it to DbMigrationError?11:03
gcbDinesh_Bhor, other exceptions  don't seem friendly to operators, converting all exceptions into  DbMigrationError is okay for me11:07
Dinesh_Bhorgcb: great, thanks11:08
gcbDinesh_Bhor, np :-)11:08
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lakerzhouHi, quick question for oslo_messaging.Notifier. Is it guaranteed that a notification message is to be delivered to receiver successfully?13:46
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kgiustilakerzhou: the delivery is 'best effort', which means that the notification _could_ be dropped in the case of a failure of the message bus (e.g. loss of the connection to rabbitmq while the message is 'in flight').  But oslo.messaging does its best to get the message through, especially in the case of recoverable failures (e.g. connection is lost while message is buffered pending send).14:08
lakerzhouThanks a lot Kgiusti for the answer!14:09
kgiustilakerzhou: my pleasure.14:10
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openstackgerritKiseok Kim proposed openstack/oslo.log master: Fix bug in log_method_call decorator  https://review.openstack.org/44490814:43
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openstackgerritDavanum Srinivas (dims) proposed openstack/oslo.cache master: [WIP] etcd3 driver for oslo.cache  https://review.openstack.org/46813719:12
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harlowjadims are u sure u want people caching things in etcd :-/19:44
harlowjaa consistent data storage as a cache seems odd :-/19:44
harlowjajust throwing it out there..19:44
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dimsharlowja : we have a mongo driver!19:57
harlowjanot sure if thats a good thing :-P19:58
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harlowjaalso is not a cache :-P19:58
harlowjajust because we could doesn't always mean we should, lol19:59
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kgiustiharlowja: party-pooper20:02
harlowjalol20:02
dimsharlowja : someone wanted to replace rabbit with etcd... :)20:02
harlowjaya, i'd rather have kgiusti amqp10.0 have etcd for route information and all that, and then we just use that (which is now itself using etcd for stuff)20:03
harlowjaor ampqp2.020:03
harlowjaor 3.020:03
harlowja  /have etcd/use etcd20:04
kgiustiharlowja: only if we can tunnel that through Kafka.   Everyone loves Kafka.20:04
harlowjais that before or after redis?20:04
harlowjaor maybe redis is before and after!20:05
kgiustiharlowja: before redis since we'll need that to use Zeromq20:05
harlowjanice nice20:05
harlowjawebscale++20:05
* kgiusti head hurts20:05
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* dims throws something shiny at harlowja - seen istio yet? 20:09
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harlowjamore layers!20:26
harlowjalol20:26
harlowjait's only true webscale when u have a 7 layer burrito20:26
harlowjalol20:26
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openstackgerritDavanum Srinivas (dims) proposed openstack/oslo.cache master: [WIP] etcd3 driver for oslo.cache  https://review.openstack.org/46813721:09
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