We currently rely on the ShardingEgressMetadataHook to send the config server optime whenever making a request to a shard. This loads the optime off the grid. For config servers making requests to shards we need to either fetch the optime from the replication coordinator directly or ensure that the optime in grid is maintained properly.
- related to
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SERVER-23699 Remove dependency of sharding_initialization.cpp on mongos-specific features
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- Closed
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