Clustering Grails with Tomcat, MySQL, Quartz, Spring Security
Contains hints regarding query cache. http://burtbeckwith.com/blog/?p=244GreenSQL is an Open Source database firewall used to protect databases from SQL injection attacks. GreenSQL works as a proxy and has built in support for MySQL. The logic is based on evaluation of SQL commands using a risk scoring matrix as well as blocking known db administrative commands (DROP, CREATE, etc). GreenSQL provides MySQL database security solution. GreenSQL is distributed under the GPL license. http://www.greensql.net/
BSD Licensed JDBC driver for Drizzle, which also works for MySQL
http://jdbc.drizzle.org/
http://drizzle.org/wiki/JDBC#Documentation
http://developian.blogspot.com/search/label/drizzle-jdbc




