April 2015
Intermediate to advanced
504 pages
11h 41m
English
Logical Replication allows us to stream logical data changes between two nodes. By logical, we mean streaming changes without referring to specific physical attributes such as block number and row ID.
The main benefits of Logical Replication are as follows:
PostgreSQL 9.4 provides a feature called Logical Decoding. This allows you to stream a set of changes out of a master server. This allows a master to become a sending node in Logical Replication. ...