Memory usage of OPCSystemsDatabase.exe Windows Service is high when data logging fails. Also the OPCSystemsService.exe when logging to CSV files and users open Excel or remote data logging services connect to the remote tags to be logged and a network failure occurs.

Go to Configure-Options-Data Buffering and enable data buffering to disk.

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

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