We are all impressed by the Performance Monitor capabilities in Windows 10 – but come on – what should we really be monitoring in there? And what are acceptable values? This list is compiled from the excellent text Exam Ref 70-698 Installing and Configuring Windows 10. I of course included this information in my course at CBT Nuggets in the Nugget on Troubleshooting Windows 10 Performance.

• LogicalDisk – % Free Space
  • Greater than 15%
• PhysicalDisk – % Idle Time
  • Greater than 20%
• PhysicalDisk – Avg. Disk Sec/Read
  • Less than 25 ms
• PhysicalDisk – Avg. Disk Sec/Write
  • Less than 25 ms
• PhysicalDisk – Avg. Disk Queue Length
  • Should not be larger than 2 times the number of physical disks
• Memory – % Committed Bytes in Use
  • Less than 80%
• Memory – Available Mbytes
  • Greater than 5% of total RAM
• Processor – % Processor Time
  • Less than 85%
• System – Processor Queue Length
  • Should be more than twice the number of CPUs
• Network Interface – Output Queue Length
  • Less than 2