Joshua Spence 7164606285 Add a lock to storage upgrade and adjustment ... Summary: Fixes T9715. Adds a MySQL-based lock to ensure that schema migrations are not applied on multiple hosts simultaneously. Test Plan: Ran `./bin/storage upgrade` concurrently. One invocation was successful whilst the other hit a `PhutilLockException`. Reviewers: #blessed_reviewers, epriestley Subscribers: Korvin Maniphest Tasks: T9715 Differential Revision: https://secure.phabricator.com/D14463		2015-12-02 06:18:28 +11:00
..
manage_storage.php	Add a lock to storage upgrade and adjustment	2015-12-02 06:18:28 +11:00