Mike Volodarsky's Blog

Azure, IIS, ASP.NET, and LeanSentry

ASP.NET

Fix the 3 silent performance killers for IIS / ASP.NET apps

July 10, 2013 by mvolo 33 Comments

If you could double your IIS/ASP.NET application performance by making just a few small tweaks, would you do it? Here are 3 high CPU problems for ASP.NET applications, that also happen to be easy to find and fix.

Posted in: ASP.NET, CodeProject, IIS, Performance, Troubleshooting Tagged: ASP.NET, IIS, Performance, Troubleshooting

Crack down on 404 errors in your web apps

July 2, 2013 by mvolo 7 Comments

404 Not Found is the most common error for production web applications. Turns out, they can often signal real production problems! Read on to learn about 4 types of Not Found errors you should find and fix ASAP.

Posted in: ASP.NET, CodeProject, IIS, LeanSentry, Troubleshooting Tagged: ASP.NET, IIS, LeanSentry, Troubleshooting

Search your entire IIS / ASP.NET web application stack

May 30, 2013 by mvolo Leave a Comment

At LeanSentry, we are all real ASP.NET engineers. So often, we do very engineer-like things. Like building features that we ourselves want to use to run our own web applications. This week, we announced one such feature – an instant search for all the data LeanSentry collects. I am sorry, this feature is just absolutely … [Read more…]

Posted in: ASP.NET, CodeProject, IIS, LeanSentry, Troubleshooting Tagged: ASP.NET, IIS, LeanSentry, Troubleshooting

Things you still can't do with ASP.NET modules on IIS

April 24, 2013 by mvolo 15 Comments

Even with the ASP.NET Integrated Pipeline on IIS, there are things you just can’t do with ASP.NET modules. Here is a list of them, and why you should probably never do them.

Posted in: ASP.NET, CodeProject, Development, IIS Tagged: ASP.NET, IIS

LeanSentry: A better monitoring service for Windows server web apps

February 5, 2013 by mvolo 11 Comments

We’ve spent the last 5 years helping our clients build better websites on the Microsoft web platform. Eventually we got sick of logging into servers to debug IIS problems with appcmd, EventLog, windbg, and logparser.

So we built LeanSentry, a realtime diagnostic service for web applications on the Microsoft web platform …

Posted in: ASP.NET, CodeProject, IIS, LeanSentry, Troubleshooting Tagged: ASP.NET, IIS, LeanSentry, News, Performance, Troubleshooting
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About me

I am the lead developer for LeanSentry, an expert application monitoring service for .NET web apps.

Before that, I used to work for Microsoft where I helped build the IIS 7.0 and ASP.NET products.

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