Memory usage of OASEngine.exe or OASReports.exe Windows Service is high.

To see common causes of high memory usage view Memory Management troubleshooting guide.

Once cause of high memory usage is unresolved data logging or alarm logging errors, or Excel has a CSV file open that is currently being logged to.

Go to Configure-Options-Store and Forward and enable data buffering to disk.

View the following video on how to setup data logging and alarm logging so there is no data loss on a network or database engine failure: