1. Performance monitoring
   1. add performance counters to usage database
      1. SP
      2. Windows counters (processor, network interface, memory
      3. IIS
      4. SQL server
   2. consider using system center operations manager
   3. use powershell to add counters: Add-SPDiagnosticsPerformanceCounter .....
   4. only to one web server
2. Performance Optimization
   1. understand the many services
   2. optimization based on the needs of the environment
   3. monitoring indicate where the performance problems are located