Galera Synchronous Multi-Master Replication for MySQL

This is a tutorial about how to install, configure and operate Galera synchronous multi-master cluster for MySQL/InnoDB. Agenda:

1. Introduction (30-45 min)
   1. Galera architecture overview
   2. Important terms and concepts
2. LAN cluster setup (30 min)
   1. Node configuration
   2. Joining the cluster, state transfer
   3. Executing SQL load
3. Migration from stock MySQL replication (30 min)
4. Node failure and recovery under load (30 min)
   1. Planned restart
   2. Hard crash
   3. Split-brain
5. WAN replication (30 min)
6. Troubleshooting
7. Q&A

Important configuration options and status variables will be covered throughout the tutorial.