Data Replication in Distributed Database
Data Replication process is often used inside distributed database. Transactional Relational Database Management System can do non stop replication, by using ACID transaction, and synchronizing data by update logs.
Data Replication is used for following functions.
Replication based cluster can solve query speed, but it can't handle parallel update of the table records.
In order to solve this issue, Table Partitioning is the solution.
Alinous Elastic DB has Dynamic Table Partitioning, which can change the range of partition data in storage nodes.
On changing the partition key's value, it replicates the difference of range data by online data replication.