Specified in seconds. Controls how often the run time database directory
cache is validated against the physical disk to check for files changed,
added or deleted outside of Notes. A lower interval will result in higher
I/O utilization. This notes.ini setting replaces DBDIR_REFRESH_INTERVAL.
900 seconds (default) - By default, the run time database directory
cache is validated every 900 seconds (15 minutes)
Servers (8.5 or later)
DBDir_Directory_Scan_Interval = value