Figure 2. Don't Rely Excessively on Caching.
It's important to not overdo the caching of items. You can monitor the cache hits, misses, and the general turnover of the cache items (and other counters) by using PerfMon. This screen capture shows you a simple trace of Cache Total Turnover. You can tune the duration and scope of your cached items by watching the number of misses, hits, and turnovers.