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| exploreshaifali | flaper87, in bug https://bugs.launchpad.net/zaqar/+bug/1373464 are you talking to remove this function call https://github.com/openstack/zaqar/blob/master/zaqar/queues/storage/pooling.py#L406 | 09:33 |
|---|---|---|
| exploreshaifali | flaper87, and do someting else | 09:34 |
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| vkmc | morning zaqarians! | 13:19 |
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| flaper87 | vkmc: gooood morning | 13:47 |
| vkmc | flaper87, how are you today? | 13:47 |
| flaper87 | vkmc: I'm doing great, you? | 13:50 |
| * flaper87 just finished his friday workout session | 13:51 | |
| flaper87 | Gosh, poland broke me :P | 13:51 |
| vkmc | good good :) | 13:53 |
| flaper87 | vkmc: still at the conf? | 13:53 |
| vkmc | yeah | 13:53 |
| vkmc | today is the PyLadies meetup, I'll be leading it | 13:53 |
| vkmc | so we will see how it goes | 13:53 |
| flaper87 | vkmc: ah great, good luck. Are you going to present something? | 13:54 |
| vkmc | not really... its just an introduction on what PyLadies is and what we do | 13:55 |
| vkmc | I couldn't present anything for realz this time | 13:55 |
| vkmc | being in the organization and also joining as a speaker is not a good idea :p | 13:56 |
| flaper87 | vkmc: mmh, well, it depends. I mean, I've had to do that because no one wanted to speak >.> | 14:00 |
| flaper87 | if you've a speaker, then that's definitely the right call | 14:00 |
| flaper87 | btw, the schedule is up: http://kilodesignsummit.sched.org/?s=zaqar | 14:01 |
| flaper87 | with etherpads and what not | 14:01 |
| flaper87 | so pleeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeease, go and put some content into those etherpads | 14:01 |
| vkmc | kewl, thanks flaper87 | 14:02 |
| vkmc | ok | 14:02 |
| vkmc | dunno if you saw the backlog | 14:02 |
| vkmc | I chatted about persistent transport with kgriffs|afk | 14:02 |
| vkmc | I wanted to do the same with you | 14:02 |
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| flaper87 | vkmc: mmh, nope, I didn't see it | 14:03 |
| flaper87 | vkmc: 'sup ? | 14:03 |
| vkmc | flaper87, so I wanted to do some brainstorming on what are the use cases we want to cover with persistent transport | 14:03 |
| vkmc | besides the horizon one | 14:03 |
| vkmc | in other words, why we want it | 14:04 |
| vkmc | we have to be extremely careful on this because we don't want to generate confusion on Zaqar's goals again | 14:04 |
| flaper87 | vkmc: sure thing | 14:05 |
| flaper87 | so, I think the most important use-case for persistent transport is not exactly horizon itself but `push` semantics | 14:05 |
| flaper87 | one may argue saying that push semantics on top of persistent transports probably don't buy much if you have other ways to push messages to the client | 14:06 |
| flaper87 | but, that's not 100% accurate | 14:06 |
| flaper87 | Browsers need a way to be able to receive messages without using short-polling | 14:06 |
| flaper87 | In addition to that, we've the benefit that websocket is just TCP and we can also consume it from a python library, we don't need a browser | 14:07 |
| flaper87 | but that's not the main point | 14:07 |
| vkmc | aha.. good to know about the push semantics | 14:07 |
| vkmc | that is something we want to discuss for v2 | 14:08 |
| flaper87 | Right | 14:08 |
| flaper87 | or well, as part of notifications | 14:08 |
| flaper87 | but it's a quite complex field | 14:08 |
| flaper87 | SNS doesn't do it, FWIW | 14:08 |
| flaper87 | they have push on top of webhooks and other mobile protocols | 14:08 |
| flaper87 | but AFAIK, there's no support for persistent transports | 14:08 |
| vkmc | right | 14:09 |
| flaper87 | In addition to that, there's a performance benefit from using a non-http transport | 14:09 |
| flaper87 | we'd just have 1 connection | 14:09 |
| flaper87 | or well, a pool of connections | 14:09 |
| flaper87 | but you know what I mean | 14:09 |
| vkmc | I do yeah | 14:10 |
| flaper87 | what did kgriffs|afk say ? | 14:10 |
| vkmc | what we discussed with kgriffs|afk though, is that there are not so many use cases that need persistent connections | 14:10 |
| vkmc | we went through this etherpad... | 14:11 |
| * vkmc looks for the etherpad | 14:11 | |
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| vkmc | https://etherpad.openstack.org/p/zaqar-overcloud-use-cases | 14:12 |
| vkmc | hi D3f0! | 14:12 |
| D3f0 | hi vkmc | 14:12 |
| vkmc | flaper87, D3f0 is a friend of mine that is working with queues as well | 14:12 |
| vkmc | he saw the channel and come say hi haha | 14:13 |
| flaper87 | D3f0: 'suuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuup??????????????????????????????????????????????????????? | 14:14 |
| flaper87 | vkmc: so, yeah, mmmhhh. well, you know, mmhh... riiiiiiiiiiiiiight! | 14:15 |
| flaper87 | :D | 14:15 |
| D3f0 | hi flaper87 | 14:15 |
| flaper87 | vkmc: I mean, I think there are not *many* use cases but the most important one, imho, is push notifications without long/short polling | 14:15 |
| D3f0 | my only experience with this sort of technologies is zmq, redis, and finally rabbit | 14:16 |
| flaper87 | For example, imagine I'd like to listen for messages in a queue. as of now, I'd have to list messages every N seconds | 14:16 |
| flaper87 | which is painful | 14:16 |
| vkmc | !!!!! | 14:17 |
| openstack | vkmc: Error: "!!!!" is not a valid command. | 14:17 |
| flaper87 | vkmc: stop messing with openstack | 14:17 |
| flaper87 | poor dude | 14:17 |
| flaper87 | D3f0: how do you like them? | 14:17 |
| vkmc | ok openstack, take it easy man | 14:17 |
| * flaper87 kicks openstack's but | 14:17 | |
| vkmc | flaper87, I see | 14:17 |
| flaper87 | Again, it's not as simple as 'lets do it' | 14:18 |
| flaper87 | there are many things to consider | 14:18 |
| flaper87 | for example, where is the client connected? what happens if we have more nodes? | 14:18 |
| flaper87 | How are we going to make that thing scale | 14:18 |
| flaper87 | ? | 14:18 |
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| vkmc | yeah of course, but that questions come after we have a strong reason to add it :) | 14:19 |
| vkmc | the push semantics is it | 14:20 |
| D3f0 | flaper87: I'm a Python guy mostly | 14:21 |
| D3f0 | I really like zmq, it's python friendly | 14:22 |
| D3f0 | then tried redis | 14:22 |
| D3f0 | when I needed queues | 14:22 |
| flaper87 | vkmc: there's also another motivation that I was discussing with some folks from Symantec | 14:22 |
| flaper87 | D3f0: Python? I think you're in the right place | 14:23 |
| flaper87 | D3f0: we all love php here | 14:23 |
| flaper87 | :D | 14:23 |
| D3f0 | O_o | 14:23 |
| D3f0 | :) | 14:23 |
| D3f0 | then ditched redis | 14:23 |
| D3f0 | because on certain situations | 14:24 |
| D3f0 | it does not guarantee message delivery | 14:24 |
| D3f0 | so I tried rabbit | 14:25 |
| D3f0 | with pika driver | 14:25 |
| D3f0 | works well... | 14:25 |
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| D3f0 | I've got to flee | 14:26 |
| D3f0 | bbl | 14:26 |
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| vkmc | >.> I got distracted | 15:00 |
| vkmc | lemme know what the other motivation is, if you have a moment later :) | 15:01 |
| vkmc | flaper87, ^ | 15:01 |
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| flaper87 | vkmc: I got distracted too :P | 15:06 |
| flaper87 | vkmc: erm, I'll dig into that again, I have it in my email | 15:07 |
| vkmc | flaper87, haha k :) | 15:07 |
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| openstackgerrit | OpenStack Proposal Bot proposed a change to openstack/python-zaqarclient: Updated from global requirements https://review.openstack.org/130845 | 16:20 |
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| exploreshaifali | flaper87, around? | 17:04 |
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| flaper87 | exploreshaifali: hey, yeah! | 17:18 |
| flaper87 | not for long, though | 17:18 |
| flaper87 | :) | 17:18 |
| flaper87 | exploreshaifali: what's up? | 17:18 |
| exploreshaifali | flaper87, hi, I am super cool as always ;) | 17:18 |
| exploreshaifali | flaper87, just want to discuss about bug https://bugs.launchpad.net/zaqar/+bug/1373464 | 17:19 |
| exploreshaifali | flaper87, you don't want fuction call https://github.com/openstack/zaqar/blob/master/zaqar/queues/storage/pooling.py#L406 | 17:19 |
| exploreshaifali | *function | 17:19 |
| exploreshaifali | instead of that function call what exactly you want? | 17:21 |
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| flwang1 | kgriffs: ping | 19:31 |
| kgriffs | o/ | 19:36 |
| kgriffs | flwang1: pong | 19:37 |
| flwang1 | we have invited you in the wechat group :) | 19:38 |
| flwang1 | join us ! | 19:38 |
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| kgriffs | hmm, I don't see a group chat invite... I saw some individual invites and accepted those. | 19:43 |
| flwang1 | let me add you again, or you can search the group name Zaqar | 19:49 |
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