Applies to: SmarterMail (all versions) and SmarterStats (all versions)

You can use the NT Performance Monitor to help diagnose performance problems, like email backing up, a slow spool, email performance issues, or even high CPU usage.

To use the NT Performance Monitor:

1. Run “perfmon.exe” from Start | Run.
2. In the graph windows, click the upper left icon to create a New Counter Set, then in the same toolbar click the + symbol.
3. In the Add Counter dialog window, drop down the list box for the Performance Object, and choose Physical Disk.
4. Highlight the following:
1. % Disk Read
2. % Disk Write
3. % Disk Idle
4. % Disk Time
5. Current Disk Queue Length
5. Select the Physical Disk you want to monitor, and then click Add.
6. Click Close

The purpose of each of these counters are:

• % Disk Read – How much time your Disks are being read
• % Disk Write – How much time your Disks are being written to
• % Disk Idle – How much time your Disks are idle (not performing any action)
• % Disk Time – How much time your Disks are in use
• Current Disk Queue Length – How long the Operating System must wait to access the disks

The values you want to see are:

• % Disk Read – Less than 15-20%
• % Disk Write – Less than 15-20%
• % Disk Idle – Over 85%
• % Disk Time – Less than 15-20%
• Current Disk Queue Length – Less than 1