9 P ERFORMANCE M ONITORINGThis chapter contains information about monitoring the performance ofthe Webcache 1000/3000. It covers the following topics: What is Performance Monitoring? Caching Performance Graphs System Performance Graphs I/O Performance GraphsWhat isPerformanceMonitoring?Performance monitoring allows you to assess the caching and systemperformance of the Webcache via a series of easy-to-understand MRTG(Multi Router Traffic Grapher) graphs. The Caching Performance graphsshow the bandwidth savings, hit/miss rate, request rate, response timeand throughput for the Webcache. You can use them to find out quicklyand accurately how the Webcache is performing and how much value itis providing to your network.The System Performance and I/O Performance graphs show more detailedinformation which is intended for use by your System Administrator and3Com support personnel.Performance monitoring is always enabled; you cannot turn it off.CachingPerformanceGraphsThe Caching Performance graphs show detailed information about thecaching performance of the Webcache.To view the Caching Performance graphs:1 Log in to the Web interface.2 Select Performance -> Graphs in the Navigation Tree.
