2017-08-17

NECKO WEEKLY MEETING NOTES

Thurs August 17th, 2017

STICKY

  • Triage duty: nwgh
  • new untriaged bugs: https://tinyurl.com/zhk9yjf
  • NECKO-ACTIVE bugs: https://tinyurl.com/j8pj35u
  • NECKO NEXT bugs: https://tinyurl.com/zjwjfee
  • NECKO-BACKLOG bugs: https://tinyurl.com/hpkcxx3
  • Triage Notes
    • Android crashes on infra are currently not symbolicated: https://bugzilla.mozilla.org/show_bug.cgi?id=1389805 (makes triaging/diagnosing android crash bugs hard/impossible)

Round Table:

---PROJECT UPDATES--- - rust-url meeting notes: https://public.etherpad-mozilla.org/p/mozloha-rust-url - rcwn https://public.etherpad-mozilla.org/p/mozaloha-rcwn

Nick

Honza

Michal

  • 1369051 Assertion failure: !entry || !entry->IsFresh()
  • 1388684 RCWN breaks HTTP_CHANNEL_DISPOSITION telemetry
  • 1390683 HTTP_*_COMPLETE_LOAD probes are used in nsLoadGroup::TelemetryReportChannel when using new cache
  • 1382688 Do not allow to enable old disk cache backend

Patrick

last week: mpendingq, 256fd telemetry, 0.9 telemetry, namespaces, neat tls, alt-svc, immutable bug, some non-necko stuff this week: neat tls, alt-svc, immutable bug, some non-necko stuff. more reviews.

Daniel

  • NEAT project work
  • IPv6 network identification

Valentin

Bug 1381816 - Pref study: Race Cache with Network iteration #2

Bug 1385883 - Cannot delete history with IDN

Bug 1386195 - Cannot delete history with "www." + IDN

Bug 1383831 - require newer version of rust-url

RCWN - telemetry should be available in the next few days, so we can see if it made any improvement

Looked into 1367810 - Crash in mozilla::net::nsHttpChannel::CallOnStartRequest

Dragana

TFO - working, nspr patch

Better TFO telemetry

rel=preload and no-cache

JAR debugging

Gary

CDP Testing

  • Background download
  • Cynthia works on Sikuli for user interaction tests Bug 1373708 - Convert Jar channels to stop using main thread I/O

Junior

Bug 870460 - Lazy load of cookie service blocks main thread while cookie database loads

  • first round feedback, init db in profile-do-change, seems work Bug 1388671 - Crash in nsCookieService::AsyncReadComplete

Amy

Bug 1331680 - Consider not doing sync IPC for document.cookie getter/setter

  • Landed

  • Testing report

  • https://drive.google.com/a/mozilla.com/file/d/0B1DNWGRO_VTuVnUtd1BVeThhV00/view?usp=sharing Bug 1366578 - cookies are not transmitted when handling custom protocol

  • Content type of Load Info is different between e10s and non-e10s in the testing environment of user.

  • User provided testing webpage to me, but I can't reproduce.

  • ni user. Bug 1376009 - Crash in mozalloc_abort | NS_DebugBreak | mozilla::ipc::LogicError | mozilla::net::PCookieServiceChild::SendGetCookieString

Bug 1374939 - Crash in mozalloc_abort | NS_DebugBreak | mozilla::ipc::LogicError | mozilla::net::PCookieService::Transition

  • r+ Measured time of set cookie string.

  • CNN - loaded to homepage.

  • https://perfht.ml/2viFIsB

  • Facebook - logged in to my account.

  • https://perfht.ml/2viz7OQ

  • The longest time is 1ms.

Kershaw

CDP Test

  • Create a web site to present test results
  • http://10.247.28.241:8888/

Bug 1385576 - Tracking Protection broken in Nightly.

  • investigating

Bug 1388247 - Label PCookieServiceChild

  • working

SC

[PBg-Http]

  • performance analysis

    • quantum_pageload is now measuring first paint (https://treeherder.mozilla.org/perf.html#/compare?originalProject=try&originalRevision=3491ddfe3180171a78febefd3b29551c5cd06604&newProject=try&newRevision=36c892dbea102bbda865cf665c99212d5caec9ba&framework=1&showOnlyImportant=0)
      • amazon/youtube shows 10% improvements (40-70ms)
      • google shows no noticeable difference
      • facebook shows 10% degradation (40ms)

  • fix regressions

    • Bug 1387285
    • Bug 1353829 - 8% Are we slim yet regression found on autoland march 28th from revision e2a697abd5d3
    • before/after OMT imagelib holds different set of decoded image, which causes the memory difference
    • the regression is reduced to 1.71% [CDP]

  • Bug 1382567 - boost load priority of preloaded image for without height/width attribute

  • under review

  • necko triage overhead