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an ActiveRecord-JDBC plugin for working with MySQL master slave databases
- install in vendor/plugins directory
- use adapter "mysql"
- use MySQL Connector/J JDBC replication driver: com.mysql.jdbc.ReplicationDriver
- configure your master and slaves in the MySQL JDBC url in the normal way e.g.
- selects which are outside of a transaction will be sent to the slaves
- any non-select queries or queries inside a transaction will be sent to the master
- ActiveRecord::ConnectionAdapters::JdbcAdapter::with_master can be used to force use of the master for all queries