1. Cover
2. 1. Multi-Raft
   1. 1.1. Heartbeat Multiplexing
   2. 1.2. Batched Write
3. 2. Raft Process
   1. 2.1. Multi Threading
   2. 2.2. Application State
4. 3. Client Interaction
5. 4. Cluster Management
6. 5. Leadership
7. 6. Development