The pgedge article talks about WAL compression, not WAL archiving. It specifically mentions wal_compression parameter, which has been around since PostgreSQL 9.

The pgedge article talks about WAL compression, not WAL archiving. It specifically mentions wal_compression parameter, which has been around since PostgreSQL 9.5: https://www.postgresql.org/docs/9.5/runtime-config-wal.html#GUC-WAL-COMPRESSION https://www.postgresql.org/docs/9.5/runtime-config-wal.html#...