The scalability parameters for a multi-server cluster deployment are as follows:
Scalable to 1000 simultaneous connections per master.
If a slave is included, see Section 3.3, Scalability Parameters in Section 3.0, Multi-Server (Master-Slave) Deployment
Over a million users can be provisioned in each master.
Each master server can store up to a terabyte of data.
The synchronization interval must be 5 minutes.