Sunday, 2016-04-10

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flwanganybody there?21:20
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fribeiro_just received the good news that two talks were accepted for the vbrownbag event inside the summit, both cover zaqar, will be at 11:45 and 14:45 on thursday21:44
fribeiro_if you can't make it, these talks will be posted on youtube on the same day21:47
fribeiro_is the zaqar meetup on friday open to non-core contributors, or is it only for core people, like the design sessions?21:48
flwangfribeiro_: congrats!21:55
flwangfribeiro_: can you let me know the session names? I would like to make sure i can find them on youtube :)21:56
fribeiro_flwang: thanks, didn't make it to the main schedule, but got two spots in vbrownbag21:56
fribeiro_flwang: it will be "Developing Java Microservices for OpenStack" and "Cloud Messaging State of the Union", slides will also go to slideshare on thursday night21:56
fribeiro_flwang: if not before21:56
flwangfribeiro_: awesome, i will keep an eye on that21:57
fribeiro_flwang: great, thanks21:57
flwangas for the meetup, anybody can join it21:57
flwangfribeiro_: but unfortunately, i can't make it due to family affairs21:57
fribeiro_flwang: will go back to zaqar code after the summit, really need to focus on the presentations for now21:58
fribeiro_flwang: that is unfortunate, but family comes first every time21:58
flwangfribeiro_: i see21:58
flwangfribeiro_: yep, i need to take care my 2.5y boy and another angle is on the way :) due on Aug21:58
fribeiro_flwang: i will actually use the trip to visit my own family, have relatives in texas :)21:59
fribeiro_flwang: congrats, i have a 3y baby girl too21:59
flwangfribeiro_: very nice21:59
flwangfribeiro_: i reallllllllllllly want to have a girl21:59
flwangthough i don't want to admit that with my boy :D21:59
fribeiro_flwang: i really wanted a boy, to be honest with you, now i want a second girl, girls are awesome21:59
fribeiro_flwang: but a boy would be great too, of course21:59
flwanghaha, i'm going to rename this channel as 'happy dad'22:00
fribeiro_flwang: girls are very close to their dads, my girl uses to sit quiet in my living room when i am blogging, coding or studying late in the night -- how awesome is that?22:00
fribeiro_flwang: yeah, yeah, back to messaging, back to messaging!22:00
fribeiro_flwang: queues are nice, but topics are awesome too! :))22:01
flwangfribeiro_: just curious, are you going to contribute zaqar code? or still interested in promote zaqar for developers :)22:02
flwangfribeiro_: thanks for raising that, i'm interested in your view about queues and topics22:02
fribeiro_flwang: i still have samples to send, will certainly expand to other areas after that22:02
fribeiro_flwang: the fact that we don't seem to have enough tests for the websocket transport, which showed up during the first code review, caught my eye22:03
fribeiro_flwang: not to mention a small issue in python-zaqarclient which i have myself reported, need to go back to that after the summit22:03
fribeiro_flwang: it will be a busy couple of weeks, both talks are dense despite being short22:04
flwangfribeiro_: i see.22:04
flwangfribeiro_: https://etherpad.openstack.org/p/newton-zaqar-summit-planning22:04
flwanghere is the session list need to be voted22:05
flwangi need to send out the schedule asap22:06
fribeiro_flwang: great, will add myself to a couple of proposals then22:10
flwangfribeiro_: thank you!22:10
fribeiro_flwang: isn't the DMQ and Delay Queue entries duplicates?22:12
fribeiro_flwang: "aren't"22:12
flwangfribeiro_: what do you mean DMQ?22:12
fribeiro_flwang: DLQ, I mean, "Dead Message Queue" is off-trend these days22:13
flwangfribeiro_: off-trend? may i know more details?22:14
fribeiro_flwang: the term, not the concept - we need a DLQ22:14
flwangfribeiro_: ah, ok22:15
flwangDead message queue are different from delay queue22:15
flwangdead message queue refers to a queue of messages that were not able to be delivered22:16
flwangbut delay queue, means in that queue, all the message will be delayed seconds to be collected22:16
fribeiro_flwang: scheduled delivery or what?22:17
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flwangscheduled delivery22:18
flwangfribeiro_: http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-delay-queues.html22:18
fribeiro_flwang: oh... that's cool22:18
fribeiro_flwang: it took the java community 12 years or so to add that to the jms api, which was unfortunate22:19
fribeiro_flwang: not that the brokers didn't have that feature anyway22:19
flwangfribeiro_: here is the spec, and any comment is welcomed22:19
fribeiro_flwang: will add myself to that as well22:19
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flwangryansb's comment about delay queue:  Adding arbitrary delays doesn't seem like a "core" use case, and it'll  probably put more load on our storage backends than it appears.22:20
flwangso i'm not 100% sure if it's great feature given i'm not a real user, i'm a developer :)22:21
fribeiro_flwang: probably true, but you need to implement more than a few messaging patterns, so there is a case22:21
fribeiro_flwang: whether it should be prioritized over other changes, that is for the group to decide, but there is a case there22:21
fribeiro_flwang: is it allright if I add a few "non-binding" votes to etherpad?22:22
flwangfribeiro_: go for it :)22:22
fribeiro_flwang: thanks, much appreciated22:22
flwangfribeiro_: and welcome to add a new topic22:22
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flwangfribeiro_: thanks for the input22:39
fribeiro_flwang: you're welcome22:40
flwangfribeiro_: so you think both queues and topics should be a concept of messaging service?22:42
flwangi know a lot of modern mq service are suing topics22:43
flwangbut in zaqar we have some legacy things, hence the topic comes22:43
fribeiro_flwang: they are, but i really see room for both, will actually bring up this discuss in these talks, cloud native apps - like microservices and serverless apps - seem to be need queues as well as topics22:44
fribeiro_flwang: i will get back to that later with a more elaborate argument22:45
fribeiro_flwang: the baby girl needs me now, ttyl22:45
fribeiro_flwang: have a nice week22:45
flwangfribeiro_: i'm looking forward :D22:45
flwangttyl22:45
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flwangEva-i: flaper87: ryansb: vkmc: wxy: wanghao: mdnadeem_: pls put your vote for our design sessions https://etherpad.openstack.org/p/newton-zaqar-summit-planning22:48
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