2017-09-28

NECKO WEEKLY MEETING NOTES

Thurs Sept 28th, 2017

STICKY

  • Triage duty: nwgh
  • new untriaged bugs: https://tinyurl.com/zhk9yjf (https://mzl.la/2ylkidL)
  • NECKO-ACTIVE bugs: https://tinyurl.com/j8pj35u (https://mzl.la/2he1C85)
  • NECKO NEXT bugs: https://tinyurl.com/zjwjfee (https://mzl.la/2yaD1aO)
  • NECKO-BACKLOG bugs: https://tinyurl.com/hpkcxx3 (https://mzl.la/2xcYzEL)
  • NECKO-WOULD-TAKE bugs: https://mzl.la/2hdnQXy
  • 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:

  • (15:48:00) annevk: if y'all have meetings, could you bring up fixing https://bugzilla.mozilla.org/show_bug.cgi?id=1363284 as part of some Quantum effort
  • (15:48:28) annevk: we even have Google devrel volunteering to draw up graphics how it makes Firefox faster than Chrome
  • (15:49:05) annevk: https://twitter.com/annevk/status/901493567855710208

Nick

Honza

Michal

  • reviews
  • RCWN
  • 1403010 Intermittent toolkit/components/aboutmemory/tests/test_memoryReporters.xul | application crashed [@ arena_salloc]
  • 1401224 Assertion failure: aLength > 0 (Writing a zero-sized chunk), at image/SourceBuffer.cpp:348
  • 1394564 Version 55 breaks sending large amounts of data over web sockets.

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
  • Bug 1395914 - IPv6 network identification (Linux version reviewed OK, mac version coming)

Valentin

Bug 1403154 - Crash in mozilla::dom::PerformanceNavigationTiming::Type

Bug 1403926 - PerformanceNavigationTiming fields are not correct

Bug 1392739 - IPC: unknown address crash [@CharAt] - IPC fuzzing with errors

Bug 1403137 - Crash in ContinueProcessResponse2 - null mTransactionPump

Dragana

TFO

rel=preload and no-cache

Gary

Bug 1373708 - Convert Jar channels to stop using main thread I/O

  • fixing tests, some patches are submitted.

Junior

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

  • r? intend to implement: remove legacy upgrade: cookie.txt, DELETE null base basedomain

Amy

Bug 1376009 - Crash in mozalloc_abort | NS_DebugBreak | mozilla::ipc::LogicError | mozilla::net::PCookieServiceChild::SendGetCookieString

  • uplift to beta Bug 1360603 - Mark Save as... channels used for download as throttleable

  • f+

  • Have to ask dom peer to review this patch Bug 1386746 - HTTP response throttling: experiment with limiting the amount of data we read during the short don't-block-read period

  • Started to work on this bug.

Kershaw

Bug 1377208 - Move background transactions over h2 to the background group

  • landed

Bug 1395472 - Kill switch for moving background transactions over h2 to the background group

  • landed

Bug 1247843 - All s are downloaded during the critical path

  • WIP
  • Fix test failures

SC

[PBg-Http]

  • performance analysis
  • First Paint time for visible elements in HTML document is improved because HTML parser will start to create DOM element earlier. The difference can be observed from TALOS tp6 amazon/youtube. The average first paint time is improved around 50ms.
  • However for facebook no improvement is observed because there is no visible element in the HTML document. In the HTML document there is only for loading CSS/JS scripts and executing