January 2019
Beginner
556 pages
14h 19m
English
Content preview from Learning PostgreSQL 11 - Third Edition
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Streaming replication
There is another physical replication scenario that can work on top of log shipping or without log shipping at all: streaming replication. Streaming replication implies a connection between the standby and the master servers. The master would send all transaction log entries directly to the standby. By doing this, the standby will have all the recent changes without waiting for the WAL files to be archived.
To set up streaming replication, in addition to the steps mentioned previously, the following should be done on the master:
- A database role for replication should be created in the database, like this:
postgres=# CREATE USER streamer REPLICATION PASSWORD 'secret';CREATE USER
- Connections for this user should be ...
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