I tested this out. These are the settings that I applied: updatebackupschedule --starttime <local server time> --frequency 1 updatebackupretaindays 1 With these settings the incremental backup kept going until I deleted the files going back over a week. I don't think that the settings are being applied to the incremental backups. That walarchive folder gets large very fast regardless of the settings. To conserve space I have been deleting the .gz files about once a week. This has not caused any issues.
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