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Investigate the POC of the new command "checkMetadataConsistency". This command will allow to spot possible metadata inconsistencies in a sharded cluster.
The goals of this proof of concept are:
- Investigate how to expose the command to the clients: aggregation stage, typed command, etc.
- Investigate the way of exposing different "level modes" of the command: cluster, database and collection.
- Implement a proof of concept that looks for uuid mismatch inconsistencies at database level mode.
- Do a jstests to validate the proof of concept.
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