Background
- This ticket is for the updated deploy of the AB test on Feb 20
Requirements
Feb 20: euwiki, cawiki, testwiki
- bucketing rate: 50/50
- session length sampling rate : 100%
- click tracking sampling rate: 100%
Config updates
- Experiment names are updated to be "RelatedArticles test experiment" Done in 0f563d4437
- performer_is_temp and mediawiki_database are added in the stream configuration https://gerrit.wikimedia.org/r/c/1120609
- We backport fixes for https://phabricator.wikimedia.org/T386229 (wmf/1.44.0-wmf.16) [if deploying https://gerrit.wikimedia.org/r/c/1120609 on Wednesday 19th]
Data QA
Confirm we are seeing an increase in empty_search_suggestion clicks (up from 3).
SELECT count(*) FROM event.product_metrics_web_base_search_ab_test_clicks WHERE year=2025 and month=2 AND action='click' AND action_source='empty_search_suggestion'
Sign off steps
- Make sure the deployment steps have been documented and the analyst knows which data to ignore as part of the A/B test due to bugs.