To clear run history

Optimize keeps all the data from every production run of an Optimize session on the machine hosting the Optimize server. You can clear disk space by periodically removing all the production run data for an Optimize session by clearing the run history. Clearing the run history also clears the UACO_SesnRunHist table.

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When you clear the run history, you are deleting all statistics kept for reporting purposes. All Optimize reports for this Optimize session will state "Report data does not exist."
1.
Open the Optimize session from which you want to delete the run history.
A confirmation dialog box appears.
2.
Click the Execute icon and select Clear run history.
3.
Click OK to delete the run history.

Optimize deletes all the run history. This includes all data for the Optimize session Analysis tab.