Pg-archivecleanup Must Specify Oldest Kept Wal File Link

It implies that the command was invoked without providing a specific file name to act as the "cutoff" point. The syntax for pg_archivecleanup generally follows this pattern:

However, pg_archivecleanup does not work on "auto-pilot." It requires a reference point—a specific file that acts as the anchor. It will look at the archive directory, identify the sequence of files, and delete everything older than the specified file, leaving the specified file and everything newer untouched. The error message "pg_archivecleanup must specify oldest kept wal file" is exactly what it sounds like, but with a technical nuance. pg-archivecleanup must specify oldest kept wal file

The corrected configuration should look like this: It implies that the command was invoked without

A common misconfiguration looks like this: identify the sequence of files