performanceInsightsRetentionPeriod

The number of days to retain Performance Insights data. The default is 7 days. The following values are valid:

• 7

• month * 31, where month is a number of months from 1-23

• 731

For example, the following values are valid:

• 93 (3 months * 31)

• 341 (11 months * 31)

• 589 (19 months * 31)

• 731

If you specify a retention period such as 94, which isn't a valid value, RDS issues an error.