Monty, maria-devs, In our new repo lp:percona-server you can find patches (for MySQL 5.1) we use to build Percona-Server http://bazaar.launchpad.net/~percona-dev/percona-server/main/files/head%3A/m... Basically we looking they included in MariaDB 5.2, so we can build one of our next release on your tree. Thanks, Vadim