This is just a meta task to group and track all the DB stuff that might need to happen during the next DC failover.
Not sorted in anyway, just grouping them here for now.
**Mediawiki: Wednesday, September 12th 2018: 14:00 UTC**
**Mediawiki: Wednesday, October 10th 2018: 14:00 UTC**
DB planning: https://wikitech.wikimedia.org/wiki/Switch_Datacenter/planned_db_maintenance#2018_Switch_Datacenter