1548965 - revisit chunking of mochitest-media

Status: RESOLVED FIXED

(Testing :: General, enhancement, P2)

Description

[Edwin Takahashi (:egao | infrequent contributor)]

Summary

mochitest-media is currently run in 3 chunks except for certain platforms:

- android-emulators
- macosx64
- windows10-64

Looking at the baseline push, it appears there are unnecessary chunks at various places that run at <20 minutes per chunk.

Data

android-hw-p2-8-0-arm7-api-16/pgo: 11, 5, 7
windows7-32-shippable/opt: 20, 25, 15
linux64-shippable/opt: 16, 21, 9

Thoughts

There are some uneven chunking going on here, which is a repeating pattern with other tests.

Platforms such as android-hw.* could likely have its chunks merged into 1 and the runtime will still fall below the 30 minute threshold.

debug types will need larger chunk sizes, but opt build types can likely be condensed into 2 chunks.

Comment 1

[Edwin Takahashi (:egao | infrequent contributor)]

Try push:

https://treeherder.mozilla.org/#/jobs?repo=try&revision=bdf0883247faf7200c244385513e3cb9fd67d9e8&group_state=expanded

Data

android-hw-p2-8-0: 1 chunk, 19 minutes (consolidated from the baseline above)

• setup time for this chunk was 0:01:45, so extrapolating we saved ~3 minutes by eliminating 2 chunks

windows7-32-shippable/opt: unchanged in this push from baseline

linux64-shippable/opt:

Comment 2

[Edwin Takahashi (:egao | infrequent contributor)]

Attachment: Bug 1548965 - task efficiency: revisit mochitest-media chunking

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/749343db5bbd
task efficiency: revisit mochitest-media chunking r=jmaher,gbrown

Comment 4

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/749343db5bbd