Percona on Debian Wheezy

Percona Server is an enhanced, drop-in MySQ replacement, it highly tuned, and very fast for InnoDB projects.

First accept the signature

apt-key adv --keyserver keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A

Open /etc/apt/sources.list in your favorite editor and add:

deb http://repo.percona.com/apt VERSION main
deb-src http://repo.percona.com/apt VERSION main

Then update apt sources

apt-get update

Finally, install.

/etc/init.d/mysql stop
apt-get install percona-server-server-5.5 percona-server-client-5.5