Summary: Ref T8099, Ref T8614. Some users I guess scale Phabricator up 150%, this adds additional clearing. Test Plan: Scale pages up. Reviewers: btrahan, epriestley Reviewed By: epriestley Subscribers: epriestley, Korvin Maniphest Tasks: T8099, T8614 Differential Revision: https://secure.phabricator.com/D13530