consider tweaking some prefs for talos to reduce noise

RESOLVED FIXED in Firefox 58

Status

Testing
Talos
RESOLVED FIXED
a year ago
6 months ago

People

(Reporter: jmaher, Assigned: igoldan)

Tracking

Trunk
mozilla58
Points:
---

Firefox Tracking Flags

(firefox58 fixed)

Details

(Whiteboard: [PI:September])

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(1 attachment)

in bug 1382444 we fixed some intermittents by changing a pref to not run database maintenance.  It might make sense to do this or disable the idle-daily calls as per comment 17 in the bug https://bugzilla.mozilla.org/show_bug.cgi?id=1382444#c17.

As a note, this solved a linux32 intermittent test (we don't run talos on linux32)

:igoldan, could you experiment with this on try?  Maybe a baseline + push with different prefs set, using --rebuild 5 and then compare-talos to determine if there are any changes.
Flags: needinfo?(ionut.goldan)
Whiteboard: [PI:August]
I will look into this.
Flags: needinfo?(ionut.goldan)
Assignee: nobody → ionut.goldan
Whiteboard: [PI:August] → [PI:September]
Comment hidden (mozreview-request)
(Reporter)

Comment 3

10 months ago
mozreview-review
Comment on attachment 8912686 [details]
Bug 1383896 - reduce noise in tests

https://reviewboard.mozilla.org/r/184012/#review189266

thanks for doing this!
Attachment #8912686 - Flags: review?(jmaher) → review+

Comment 4

10 months ago
Pushed by jmaher@mozilla.com:
https://hg.mozilla.org/integration/autoland/rev/2a235c8a50c0
reduce noise in tests r=jmaher

Comment 5

10 months ago
bugherder
https://hg.mozilla.org/mozilla-central/rev/2a235c8a50c0
Status: NEW → RESOLVED
Last Resolved: 10 months ago
status-firefox58: --- → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla58
This updated the baseline for our tp5o tests:

== Change summary for alert #9700 (as of September 27 2017 16:52 UTC) ==

Improvements:

 24%  tp5o responsiveness windows7-32 pgo e10s     2.43 -> 1.85
 22%  tp5o_webext responsiveness windows7-32 pgo e10s3.74 -> 2.92
 17%  tp5o_webext responsiveness windows7-32 opt e10s4.31 -> 3.58
 17%  tp5o responsiveness windows7-32 opt e10s     2.98 -> 2.47

For up to date results, see: https://treeherder.mozilla.org/perf.html#/alerts?id=9700
Depends on: 1434813
Note that this probably didn't have the intended effect. See bug 1434813 for details.
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