performance Insights Retention Period
The number of days to retain Performance Insights data. This setting doesn't apply to RDS Custom DB instances. Valid Values:
`7`month * 31, where month is a number of months from 1-23. Examples:
`93`(3 months * 31),`341`(11 months * 31),`589`(19 months * 31)`731`Default:`7`days If you specify a retention period that isn't valid, such as`94`, Amazon RDS returns an error.