Mike Volodarsky's Blog

Azure, IIS, ASP.NET, and LeanSentry

Everything you ever wanted to know about ASP.NET request queues

July 24, 2013 by mvolo 1 Comment

Did you know there are 5 places where ASP.NET requests can become queued on an IIS server? Learn all about these queues, and how to identify the actual queued requests!

Posted in: ASP.NET, CodeProject, Debugging, How-To, IIS, Troubleshooting Tagged: ASP.NET, IIS, Performance, Troubleshooting

The 4 server logs you NEED to know to fix any IIS / ASP.NET error

July 16, 2013 by mvolo 2 Comments

Having trouble finding that IIS or ASP.NET error in production? Learn to use these 4 server logs, and you will always find the error you are looking for.

Posted in: ASP.NET, CodeProject, How-To, IIS, Troubleshooting Tagged: ASP.NET, How-To, IIS, Troubleshooting

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

LeanSentry: TechEd 2013 wrapup

June 17, 2013 by mvolo Leave a Comment

Last week, we attended TechEd 2013 in New Orleans, and showed off LeanSentry to a crowd of Microsoft IT folks and developers. The reception was awesome! Here is the wrapup.

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

LeanSentry at TechEd: Day 1

June 5, 2013 by mvolo 1 Comment

LeanSentry is a big hit at TechEd so far! Everyone is loving the demos, and everyone loves the LeanSentry Robot. People are definitely excited about how easy it is to troubleshoot hangs with LeanSentry.

Posted in: IIS, LeanSentry, TechEd, Troubleshooting Tagged: IIS, LeanSentry, TechEd, Troubleshooting

We are at TechEd!

June 3, 2013 by mvolo 2 Comments

This is LeanSentry’s first TechEd event, and first major conference really. Day 1 is starting now, and we are super excited to show off leansentry/talk to everyone. If you are there, definitely come by and check us out. We are in booth 2417/2419!

Posted in: LeanSentry Tagged: LeanSentry, TechEd

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

The holy grail: Automatically diagnose IIS + ASP.NET website hangs

May 21, 2013 by mvolo 1 Comment

We finally did it. LeanSentry now automatically detects and diagnoses IIS and ASP.NET hangs!

Posted in: CodeProject, IIS, LeanSentry, Troubleshooting Tagged: IIS, LeanSentry, Troubleshooting

Come support us at TechEd 2013 and get awesome stuff!

May 15, 2013 by mvolo 2 Comments

Are you going to TechEd this year? Be sure to come see us, and get some awesome stuff – including an exclusive LeanSentry discount, and a chance to win a Microsoft Surface! We’ve been working hard to to bring better monitoring and production troubleshooting to IIS/ASP.NET apps.  But, we really do have some amazing new … [Read more…]

Posted in: ASP.NET, IIS, LeanSentry, TechEd Tagged: IIS, LeanSentry, TechEd
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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.

Recent Posts

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  • How-To: Remove slow Azure instances
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