In vain of https://gitlab.com/gitlab-com/infrastructure/issues/4418 this is database~3760142 maintenance change. It is not expected to cause noticeable impact on GitLab.com. Applying the change is expected to take a long time as we're rebuilding an index, pause for 3 hours and continue. This is to ensure that the database does not get overwhelmed by the change. Steps to be taken: 1. Review script 1. Execute script on staging and document the time it takes 1. Review & approve change 1. Execute change Roles: * EMOC: tbd * CT: tbd Change scheduled for: tbd