Aurora is a relational database, open source engine is mysql and mariadb, commercial engine is oracle
Horizontal scalability, distributed architecture, put all operations into the storage of log, data on the Shared storage,
Parallel extension, no checkpoint, IO is small, logging database is
The master node to write logs to the storage, from the node and the master node synchronization log
Logical replication s-class, physical copy ms level
Based on mysql development, compatible with mysql can directly migrated before
Back to the designated time period
Recovery time is very short
Failover, Shared storage, the ascending master node level, deputy node
The master node, master hung will play, restored will continue to read and write
Storage automatic extension of up to 64 TB
Serverless is automatically expand, there is a warm, can online in machine performance,