May 2018
Intermediate to advanced
576 pages
30h 25m
English
Replication slots allow you to define your replication architecture explicitly. They also allow you to track details of nodes even when they are disconnected. Replication slots work with both PSR and LSR.
Replication slots ensure that data required by a downstream node persists until the node receives it. They are crash-safe, so if a connection is lost, the slot still continues to exist. By tracking data on downstream nodes, we avoid these problems: