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# Edit performance database retention settings

Settings for performance database retention can be edited.

## About this task

To edit performance database retention settings:

## Steps

1. Select .
2. In the Settings dialog box, select Unisphere Databases > Performance Databases.
3. Select a database, click , and click Edit Retention Settings.
4. In the Retention Settings dialog box, edit one or more of the following settings:
   - Set historical data retention (months)
   - Set diagnostic data retention (days)
   - Set real time data retention (hours)
   - Set backup file retention (number of files)
5. Click OK.