1489107 - 59.42 - 68.52% sccache requests_not_cacheable (linux64) regression on push 05e07c98cc3654d75c2918eaa36882a3683ca65c (Fri Aug 31 2018)

Status: RESOLVED WONTFIX

(Firefox Build System :: General, defect)

Description

[Joel Maher ( :jmaher ) (UTC -8)]

We have detected a build metrics regression from push:

https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?changeset=05e07c98cc3654d75c2918eaa36882a3683ca65c

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

Regressions:

 69%  sccache requests_not_cacheable linux64 lto opt taskcluster-c5d.4xlarge     54.00 -> 91.00
 59%  sccache requests_not_cacheable linux64 lto debug taskcluster-c5d.4xlarge   57.08 -> 91.00


You can find links to graphs and comparison views for each of the above tests at: https://treeherder.mozilla.org/perf.html#/alerts?id=15629

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

Comment 1

[Joel Maher ( :jmaher ) (UTC -8)]

:glandium, can you look at this regression in sccache after bug 1487330 landed?

Comment 2

[Mike Hommey [:glandium]]

Same as bug 1488134 and bug 1489107.