Problem:

A dll was created  in Netexpress 4.0 for .Net to access our Isam files.   This dll is called from a Web based application.Experiencing performance issues when accessing the Isam files. There can be up to 100 users accessing the files at the same time.  Also are there tools to monitor file access performance?

Resolution:

A setting change in the System icon will help with file I/O perfromanance.

Goto the Control Panel

Open up System icon.

Click on the Advance tab

In the  Performance section, click on Settings

In the Performance Options window, click on Advanced tab

In the Memory Usage seciton, change setting from Programs to System cache

This will help with file I/O performance.

Tools for monitoring file access performance.

There is a Microsoft website , SysInternals, that has utilities for file monitoring that could help with file I/O performance. Here is the url:

http://www.microsoft.com/technet/sysinternals/default.mspx