1850806 - Investigate removing 'fission' test variant in variants.yml

Status: RESOLVED FIXED

(Core :: DOM: Content Processes, task, P3)

Description

[Harveer Singh]

Seems like the test variant 'fission' is not used at all (https://searchfox.org/mozilla-central/source/taskcluster/ci/test/variants.yml). We should investigate and safely deprecate it.

Comment 1

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

I did a try push with this removed:
https://treeherder.mozilla.org/jobs?repo=try&tier=1%2C2%2C3&revision=847c0ba883349222e5c72379c43cdff4f41064dd

specifically I was looking for tgdiff job and that showed no jobs removed. in the back of my mind I thought this was for android as it would be transitioning to fission, but I see mochitest is run with fission (default, no variant) and other tests are run with the no-fission variant.

that leaves the prospect of perf...

:sparky, do you know if perf on android will be using fission in the future, and if so will it need a variant fission or just be ok with the default (like we currently do on desktop)?

Comment 2

[Greg Mierzwinski [:sparky]]

Currently, the default setting for our mobile tests is fission, but we're only running the non-fission ones in CI. Those are setup to use the no-fission variant so we won't need a fission variant. I'm not sure when we'll be making the switch, but you can reach out to :cpeterson for more information about that.

Comment 3

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

Attachment: Bug 1850806 - remove fission variant. r=ahal!

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/e6b13aff5ddd
remove fission variant. r=ahal,ci-and-tooling,aryx

Comment 5

[Cosmin Sabou [:CosminS]]

https://hg.mozilla.org/mozilla-central/rev/e6b13aff5ddd