Not sure which component this is. It seems when noAutoSplit was implemented (SERVER-6305) and documented(DOCS-432) it wasn't added to --help on mongos.
http://docs.mongodb.org/manual/reference/program/mongos/#cmdoption--noAutoSplit
- is related to
-
SERVER-9287 Decision to split chunk should happen on shard mongod, not on mongos
- Closed