readwritesplit
Read/Write Splitter sends write operations to the Primary Server and balances the query load of read operations between the Replica Servers.
See also: Routers in 2.5, in 2.4, and in 2.3
EXTERNAL REFERENCES
Additional information on this topic may be found in the MariaDB Public Knowledge Base.
Information specific to MariaDB SkySQL can be found on the readwritesplit page in the SkySQL Documentation.