Planned Pubsub/PEP migration to MySQL

We are planning to migrate Pubsub/PEP (Publish-Subscribe / Personal Eventing Protocol) from Mnesia to MySQL in the very near future, which means the next two days.

Unfortunally there is no export/import script, so all data will be lost. It is also impossible to export own data from a client, at least I was told so.

Migration should fix some problems with PEP, also MySQL allows more administration and has less resource overhead.