Web Service Object
Some counters are useful for identifying performance problems, or bottlenecks, that affect the operating system or installed applications. A bottleneck exists when a single component is adversely affecting the performance of the whole system. This section lists counters to watch when trying to diagnose or prevent performance problems.
Finding Memory Bottlenecks
Finding Processor Bottlenecks
Finding Disk Bottlenecks
Finding Cache Bottlenecks
Finding Bottlenecks on Multiprocessor Computers
Finding Network Bottlenecks