7.8 - 2.58% fandom ContentfulSpeedIndex / wasm-godot + 2 more (Linux, OSX) regression on Tue September 28 2021
Categories
(Core :: Networking: Cache, defect, P1)
Tracking
()
| Tracking | Status | |
|---|---|---|
| firefox-esr78 | --- | unaffected |
| firefox-esr91 | --- | unaffected |
| firefox93 | --- | unaffected |
| firefox94 | --- | fixed |
| firefox95 | --- | fixed |
People
(Reporter: alexandrui, Assigned: valentin)
References
(Regressed 1 open bug, Regression)
Details
(Keywords: perf, perf-alert, regression, Whiteboard: [necko-triaged])
Attachments
(1 file)
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(deleted),
text/x-phabricator-request
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RyanVM
:
approval-mozilla-beta+
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Details |
Perfherder has detected a browsertime performance regression from push ab1b0594e2a8fd602241548d1c0cd631b5820fdb. As author of one of the patches included in that push, we need your help to address this regression.
Regressions:
| Ratio | Test | Platform | Options | Absolute values (old vs new) |
|---|---|---|---|---|
| 8% | fandom ContentfulSpeedIndex | linux1804-64-shippable-qr | warm webrender | 260.83 -> 281.17 |
| 6% | fandom SpeedIndex | linux1804-64-shippable-qr | warm webrender | 337.42 -> 357.67 |
| 6% | fandom SpeedIndex | linux1804-64-shippable-qr | warm webrender | 336.62 -> 356.50 |
| 3% | wasm-godot | macosx1015-64-shippable-qr | webrender | 522.89 -> 536.36 |
Improvements:
| Ratio | Test | Platform | Options | Absolute values (old vs new) |
|---|---|---|---|---|
| 4% | wikipedia fnbpaint | macosx1014-64-shippable-qr | warm webrender | 961.08 -> 921.54 |
Details of the alert can be found in the alert summary, including links to graphs and comparisons for each of the affected tests. Please follow our guide to handling regression bugs and let us know your plans within 3 business days, or the offending patch(es) will be backed out in accordance with our regression policy.
For more information on performance sheriffing please see our FAQ.
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Assignee | |
Comment 1•3 years ago
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I'll send a patch to pref off on beta and will try to fix again on nighly.
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Assignee | |
Updated•3 years ago
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Assignee | |
Comment 2•3 years ago
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Bug 1731054 and bug 1708673 caused a performance regression.
We should disable the pref (on beta) to fix the regression while we investigate the causes.
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Comment 3•3 years ago
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Set release status flags based on info from the regressing bug 1731054
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Comment 5•3 years ago
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| bugherder | ||
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Comment 6•3 years ago
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Please nominate this for Beta approval when you get a chance.
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Assignee | |
Comment 7•3 years ago
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Comment on attachment 9245216 [details]
Bug 1733958 - Set network.cache.bug1708673 to false r=#necko
Beta/Release Uplift Approval Request
- User impact if declined: Potential performance regression.
- Is this code covered by automated tests?: Yes
- Has the fix been verified in Nightly?: No
- Needs manual test from QE?: No
- If yes, steps to reproduce:
- List of other uplifts needed: None
- Risk to taking this patch: Low
- Why is the change risky/not risky? (and alternatives if risky): Bug was introduced recently
- String changes made/needed:
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Comment 8•3 years ago
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Comment on attachment 9245216 [details]
Bug 1733958 - Set network.cache.bug1708673 to false r=#necko
Approved for 94.0b5.
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Comment 9•3 years ago
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| bugherder uplift | ||
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Reporter | |
Comment 10•3 years ago
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(In reply to Pulsebot from comment #4)
Pushed by valentin.gosu@gmail.com:
https://hg.mozilla.org/integration/autoland/rev/e15c1956a0eb
Set network.cache.bug1708673 to false r=nhnt11
== Change summary for alert #31834 (as of Wed, 13 Oct 2021 04:59:36 GMT) ==
Improvements:
| Ratio | Test | Platform | Options | Absolute values (old vs new) |
|---|---|---|---|---|
| 4% | fandom fnbpaint | linux1804-64-shippable-qr | fission warm webrender | 201.67 -> 193.62 |
For up to date results, see: https://treeherder.mozilla.org/perfherder/alerts?id=31834
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Updated•3 years ago
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Description
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