Load factors stress the computer, the network, and the database.
AppMetrics for Transactions is designed to monitor the health of applications in production. The product enables system administrators to ensure a higher level of service over more machines, resolve 'finger-pointing' issues much more quickly, and anticipate system capacity over time. In addition, it can be used for detecting bottlenecks and isolating problems. We've heard this question frequently enough that we felt we should address it right away. See Chapter 1 in the AppMetrics for Transactions documentation.