···4040 /// Start a background task to take backups every N hours
4141 #[arg(long)]
4242 backup_interval: Option<u64>,
4343- /// If backup_interval is configured, purge the oldest backup once this many backups are saved
4343+ /// Keep at most this many backups purging oldest first, requires --backup-interval
4444 #[arg(long)]
4545 max_old_backups: Option<usize>,
4646 /// Saved jsonl from jetstream to use instead of a live subscription