[Feature flag] Enable Go implementation for CommitLanguages RPC
What
Enable the :go_language_stats
feature flag to disable the Ruby implementation
of source code language detection of repos.
Owners
- Team: Gitaly
- Most appropriate slack channel to reach out to:
#g_create_gitaly
- Best individual to reach out to:
@toon
Expectations
- Languages are detected just as before
- Performance does not degrade or even improve
What release does this feature occur in first?
What are we expecting to happen?
Things will keep working.
What might happen if this goes wrong?
Language statistics break.
What can we monitor to detect problems with this?
There shouldn't be any failures on: https://dashboards.gitlab.net/d/000000199/gitaly-feature-status?orgId=1&refresh=5m&var-environment=gprd&var-method=CommitLanguages&var-prometheus=prometheus-01-inf-gprd
Roll Out Steps
-
Enable on staging -
Is the required code deployed on staging? (howto) -
Enable on staging (howto) -
Add featureflagstaging to this issue (howto) -
Test on staging (howto) -
Verify the feature flag was used by checking Prometheus metric gitaly_feature_flag_checks_total
-
-
Enable on production -
Is the required code deployed on production? (howto) -
Enable on production in #production
(howto) -
Add featureflagproduction to this issue -
Verify the feature flag was used by checking Prometheus metric gitaly_feature_flag_checks_total
-
-
Default-enable the feature flag (optional, only required if backwards-compatibility concerns exist) -
Wait for release containg default-disabled feature flag. -
Change the feature flag to default-enabled (howto) -
Wait for release containing default-enabled feature flag.
-
-
Remove feature flag
Please refer to the documentation of feature flags for further information.
Edited by Toon Claes