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- #How to use process monitor to see why a file is locked how to#
- #How to use process monitor to see why a file is locked code#
- #How to use process monitor to see why a file is locked windows#
If you don’t have any way to know if traffic levels have changed, you could use your IIS log files to try and find out. If you are using some application monitoring tool that tracks the traffic, be sure to check it and see if traffic levels have changed. However, if you don’t have any baseline for what your normal volume of traffic is, it can be hard to know if traffic has increased. One of the simplest explanations for w3wp.exe high CPU usage is an increase in web traffic. Increase in Web Traffic Causing IIS Worker Process High CPU
#How to use process monitor to see why a file is locked code#
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It is possible for your application to have a lot of hidden errors that can cause big performance problems. NET CLR Exceptions -> # of Exceps Thrown / sec: Check this to see if a lot of exceptions are being thrown by your application.
#How to use process monitor to see why a file is locked windows#
You can check these by opening Performance Monitor within Windows and adding the counters to the chart view. There are two specific performance counters I would recommend reviewing for high error rates. Read this article to learn more: IIS Logs, Error Logs and More – 6 Ways to Find Failed ASP.NET Requests Windows Performance Counters for Error Rates There are a few places you can look for application error rates and actual errors, including Windows Event Viewer, IIS Logs, and more. If you are using an error monitoring or application performance management tool, be sure to check those for high error rates. Other errors may happen, and nobody knows about it. Some errors will cause your users to receive an error message of some form. High Error Rates Within Your ASP.NET Web ApplicationĪpplication errors could be happening in your application, and you don’t even know it.
#How to use process monitor to see why a file is locked how to#
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Understanding The Results & Things to Look For REQUEST "f20000048000021c" (url:GET /nopcommerce, time:6312 msec, client:localhost, stage:BeginRequest, module:IIS Web Core) C:\Windows\System32\inetsrv>appcmd list requests The appcmd.exe utility can be useful for a lot of things, including the currently running web requests. You can see that each request is in different parts of the ASP.NET pipeline and currently executing different HTTP modules. Here’s an example from one of our servers. If you double-click on a worker process, you can see all of the currently executing requests. You can view which IIS application pool is causing high CPU and view the currently running web requests.Īfter selecting “Worker Processes” from the main IIS menu, you can see the currently running IIS worker processes. Via the IIS management console, you can view the running worker processes. There’s a chance that you could recognize one of the URLs that’s known to take a very long time or cause high CPU issues.Īlthough, this may also show a bunch of web requests that are queued up and not directly lead you to the root cause. This may help you identify a specific URL that is causing the problem. One of the first things you should do is see which web requests are currently executing.