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Last Comment Bug 856867 - TestPilot main-thread I/O
: TestPilot main-thread I/O
: main-thread-io
Product: Mozilla Labs Graveyard
Classification: Graveyard
Component: Test Pilot (show other bugs)
: unspecified
: All All
: -- normal (vote)
: ---
Assigned To: Nobody; OK to take it and work on it
Depends on: 867445
  Show dependency treegraph
Reported: 2013-04-01 16:43 PDT by Vladan Djeric (:vladan)
Modified: 2016-05-10 13:13 PDT (History)
4 users (show)
See Also:
QA Whiteboard:
Iteration: ---
Points: ---


Description Vladan Djeric (:vladan) 2013-04-01 16:43:02 PDT
I noticed Firefox getting janky not long after startup and discovered that TestPilot's remote-experiment-loader.js was monopolizing the main thread for about 600ms. From looking at the profile alone, it looks like the time is being spent opening a Zip archive and checking file mtimes.


TestPilot version 1.2.2

We should look into moving some of the I/O off the main thread. I'm told it's not currently possible to open archives off the main thread.
Comment 2 :Gavin Sharp [email:] 2013-05-06 12:49:03 PDT
Fixed by removing test pilot 1. Any new versions we integrate should not have this kind of problem.

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