After the config server's FCV changes from 3.6 to 4.0, it will start tracking history. As part of the upgrade/downgrade process we should call into all shards and cause them to invalidate their metadata cache so they pick up or drop the history.
- depends on
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SERVER-33781 Upgrade/downgrade the chunks history on FCV change
- Closed
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SERVER-34459 Clear in-memory database versions on setFCV downgrade on shard primaries and secondaries
- Closed
- is depended on by
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SERVER-33356 Ensure shards' persisted collection cache picks up collection UUIDs after setFCV=4.0
- Closed
- related to
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SERVER-34460 Mongos will not pick up database versions for database entries it already has cached after setFCV 4.0
- Closed