WAL retention is a very important topic for PostgreSQL database management. But very often we come across DBAs getting into surprise situations such as: 1. Several TBs of WALs piled up in archive destination 2. WALs filling up pg_wal/pg_xlog directory due to failing archive 3. Necessary WALs are no longer preserved External backup projects for [&]

https://www.percona.com/blog/2019/07/10/wal-retention-and-clean-up-pg_archivecleanup/