How do I set up replication in PostgreSQL?
To set up replication in PostgreSQL, you need to configure a primary server and one or more standby servers. Would you like a step-by-step guide?
Yes, please provide the steps.
First, ensure that both servers have the same PostgreSQL version. Then, on the primary server, edit the postgresql.conf
file to enable replication and set the appropriate parameters. Next, create a replication user with the necessary permissions.
What parameters do I need to set in the configuration file?
You need to set wal_level
to 'replica', max_wal_senders
to a number greater than 0, and hot_standby
to 'on' for the standby server.
How do I start the standby server?
On the standby server, you need to create a base backup from the primary server and configure the recovery.conf
file to connect to the primary. After that, you can start the PostgreSQL service.
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