1621917 - 0.88% installer size (osx-shippable) regression on push 96be905c6a7d25acc93b731253a1137d9a1deccc (Wed March 11 2020)

Status: NEW

(Firefox Build System :: Toolchains, defect, P3)

Description

[Florin Strugariu [:Bebe]]

We have detected a build metrics regression from push:

https://hg.mozilla.org/integration/autoland/pushloghtml?changeset=96be905c6a7d25acc93b731253a1137d9a1deccc

As author of one of the patches included in that push, we need your help to address this regression.

Regressions:

1% installer size osx-shippable opt nightly 80,760,786.00 -> 81,471,351.92

You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=25328

On the page above you can see an alert for each affected platform as well as a link to a graph showing the history of scores for this test. There is also a link to a treeherder page showing the jobs in a pushlog format.

To learn more about the regressing test(s), please see: https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Automated_Performance_Testing_and_Sheriffing/Build_Metrics

*** Please let us know your plans within 3 business days, or the offending patch(es) will be backed out! ***

Comment 1

[(Away)]

Given all the gains in bug 1619461, this doesn't seem so bad. However, I'm still planning some followup optimization work which may counter this regression. May I let this sit for a few weeks?

Comment 2

[Firefox Bug Husbandry Bot]

Because this bug's Severity has not been changed from the default since it was filed, and it's Priority is P3 (Backlog,) indicating it has been triaged, the bug's Severity is being updated to S3 (normal.)