One type of question we get very often (even in the form of filed bugs!) is how to switch from stock MySQL to Percona Server or switch from Percona Server 5.5 to Percona XtraDB Cluster using yum, but à la apt-get, i.e. having yum handle the replace.
In its simplest form, yum cannot replace a package¹ for another like apt-get does:
# yum -q -q install
Error: Percona-XtraDB-Cluster-server conflicts with Percona-Server-server-55
Error: Percona-XtraDB-Cluster-client conflicts with Percona-Server-client-55
Error: Percona-XtraDB-Cluster-shared conflicts with Percona-Server-shared-55
One solution for this is to manually uninstall …[Read more]