How Do I Configure the test_decoding Extension for My RDS for PostgreSQL Instance?

PostgreSQL 10, PostgreSQL 11, and PostgreSQL 13 support test_decoding. For more information about test_decoding, see test_decoding introduction.

To use test_decoding, set wal_level to logical.

1. Log in to the management console.
2. Click in the upper left corner and select a region.
3. Click in the upper left corner of the page and choose Databases > Relational Database Service.
4. On the Instances page, click the target instance name.
5. In the navigation pane on the left, choose Parameters. On the Parameters tab page, locate wal_level and change its value to logical.
6. Click Save. In the displayed dialog box, click Yes.