[Feature Flag] cat_file_repo_size
Rollout feature flag for calculating repo size with cat-file
What
Enable the :gitaly_catfile_repo_size
feature flag for Gitaly to log the calculation for repo size using catfile.
Owners
- Team: Gitaly
- Most appropriate slack channel to reach out to:
#g_create_gitaly
- Best individual to reach out to: @jcaigitlab
Expectations
What release does this feature occur in first?
15.3
What are we expecting to happen?
repository sizes will in most cases result in a smaller size
What might happen if this goes wrong?
repository sizes will be inaccurate, or performance of RepositorySize
is slow or consumes an inordinate amount of CPU.
What can we monitor to detect problems with this?
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 John Cai