Database Performance Analyzer
All our system's performance are crucial as it is being used 24/7 world wide. We needed to be alerted when there are problems and we needed to pin-point where is the problem to fix them fast.
Didn't have to consider anything else. The product is perfect.
Helps a lot in finding out why database performance is getting slower and what is causing it. It also helped a lot in notifying and alerting us on things that are urgent to be resolved such as crucial job failures, replication failures, database status change and many more.