Please correct me if I’m getting the picture wrong, or neglecting somehow any other relevant aspect of OFI. ISSPROF is great to find out what is happening now and may require being monitored in the future. OFI is great to monitor and control what you already know to need monitoring. I have used both of them before, and feel that they address different aspects of the monitoring spectrum. While OFI serves an operations management purpose (I need to know WHEN a known service is running slower than expected/required and be informed of such), along with great operations automation features (through Rules, Alerts, SLA, Actions). In my opinion ISSPROF serves an “immediate” operational purpose (I need to know right now WHY a service is running slow), and as a means to accurately check for service performance bottlenecks while still in development stages. By profiling your application, you can discover the methods that execute in your application and for how long. Now you can profile your application and analyze the results, without leaving your IDE.
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