IRC log of webperf on 2013-02-27

Timestamps are in UTC.

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logging to
18:00:59 [trackbot]
RRSAgent, make logs world
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Zakim, this will be WPWG
18:01:01 [Zakim]
I do not see a conference matching that name scheduled within the next hour, trackbot
18:01:02 [trackbot]
Meeting: Web Performance Working Group Teleconference
18:01:02 [trackbot]
Date: 27 February 2013
18:02:08 [plh]
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18:02:16 [Alois]
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18:02:18 [plh]
zakim, this is per
18:02:18 [Zakim]
ok, plh; that matches RWC_web-per()1:00PM
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+ +1.650.701.aaaa
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+ +43.732.908.2aabb
18:02:57 [JatinderMann]
present+ DanielAustin, plh, Alois, JatinderMann, Arvind
18:05:03 [JatinderMann]
Topic: Test Cases
18:05:41 [JatinderMann]
18:06:07 [JatinderMann]
Jatinder: I noticed that Resource Timing test cases still don't work in IE. I'll follow up in mail.
18:06:11 [JatinderMann]
Topic: Beacon API
18:06:30 [JatinderMann]
18:06:44 [Zakim]
+ +1.650.214.aacc
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18:07:02 [JatinderMann]
18:08:19 [JatinderMann]
beacon("POST", "/log", analyticsData);
18:18:37 [JatinderMann]
James: I want to make sure that the spec is very clear that just because you are building data on the unload, we don't want to make people think that we're going to wait minutes to make this call.
18:19:30 [JatinderMann]
James: What if we have 5GBs of data? Do we want to set limits?
18:22:03 [plh]
I added a link to the draft from
18:22:23 [JatinderMann]
Jatinder: Sounds reasonable that we put in some limits. Don't want the browser to wait forever.
18:23:39 [JatinderMann]
Arvind: Should we keep the domain cookie or not for this response? I'm not sure what we should do here.
18:23:54 [JatinderMann]
James: What about XHRs?
18:24:11 [JatinderMann]
Daniel: If the beacon is ad related I don't expect it to impact cookies.
18:24:32 [JatinderMann]
Arvind: We should make sure that the spec text doesn't say gauranteed, it should say best effort.
18:26:24 [Zakim]
18:26:25 [Zakim]
- +1.650.701.aaaa
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18:26:27 [Zakim]
18:26:27 [Zakim]
- +1.650.214.aacc
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- +43.732.908.2aabb
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RWC_web-per()1:00PM has ended
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Attendees were Daniel_Austin, Plh, +1.650.701.aaaa, [Microsoft], +43.732.908.2aabb, +1.650.214.aacc
18:27:24 [JatinderMann]
Jatinder: There were some considerations that I hadn't included in this spec. What if the browser is shutdown? Should we persist this information on disk and attempt to send it out next time? What if the browser gets an error in the response, does it attempt to send the data out again?
18:28:06 [JatinderMann]
James: I think we should stick with the current, simple model where we attempt to send it once asynchrnously. If there is demand to increase our attempts or do some persisting work, we can consider that in L2 or based on feedback.
18:28:46 [JatinderMann]
Jatinder: Okay, I'll keep the approach simple and move away from gauranteeing this will work to trying a best effort attempt.
18:29:28 [JatinderMann]
Arvind: I want to make sure that Firefox reviews this spec as well, as they had privacy concerns with the Ping API. I can see that this API is different from Ping and tries to accomplish something different, but we should make sure there are no privacy concerns.
18:29:53 [JatinderMann]
Jatinder: I'll update the spec based on today's feedback and send mail to the mailing list for additional feedback. I'll make sure Boris is CC'd.
18:30:04 [JatinderMann]
Topic: Next Week's Agenda
18:30:13 [JatinderMann]
Jatinder: Should we cover prerender or diagnostics next week?
18:30:25 [JatinderMann]
Arvind: Let's cover prerender two weeks from now, as I will be out next week.
18:30:38 [JatinderMann]
Alois: We can cover diagnostics next week. I'll follow up with you offline.
18:30:48 [JatinderMann]
rrsagent, generate minutes
18:30:48 [RRSAgent]
I have made the request to generate JatinderMann
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