concurrent_create_indexes_with_drop_and_create_sharded_collection.js needs to restart a shard and then waits for replication as part of it's setup in order to have a shard without a shard version, this requires some persistence on the replication level, and this is not compatible with the inMemory storage engine.
- is caused by
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SERVER-55781 Verify shard version matches before allowing createIndexes in sharding opObserver
- Closed