Help Center/ Relational Database Service_RDS for PostgreSQL/ FAQs/ Database Parameter Modification/ How Do I Configure the test_decoding Extension for My RDS for PostgreSQL Instance?
Updated on 2026-06-15 GMT+08:00
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How Do I Configure the test_decoding Extension for My RDS for PostgreSQL Instance?

For more information about test_decoding, see test_decoding introduction.

To use test_decoding, set wal_level to logical.

  1. Log in to the RDS console.
  2. Click in the upper left corner and select a region.
  3. On the Instances page, click the instance name to go to the Summary page.
  4. In the navigation pane on the left, choose Parameters. On the Parameters tab page, locate wal_level and change its value to logical.
  5. Click Save. In the displayed dialog box, click OK.
Parent Topic: Database Parameter Modification