Mike Volodarsky's Blog

Azure, IIS, ASP.NET, and LeanSentry

CodeProject

Infographic: Debugger vs. Profiler? Fixing slow ASP.NET page loads

October 16, 2013 by mvolo 2 Comments

Facebook Twitter Google+ LinkedIn We put together a fun infographic to compare using the debugger vs. a profiler for troubleshooting slow page loads in ASP.NET apps. This coincides with our recent release of LeanSentry’s slow operation tracking, which provides an lighter (and more informative) alternative to either. Here it is: What do you use currently? … [Read more…]

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

IIS hang troubleshooting guide

October 8, 2013 by mvolo 1 Comment

Want to learn how to troubleshoot IIS website hangs the way Microsoft developers do it? Check out the new IIS hang troubleshooting guide.

Posted in: ASP.NET, CodeProject, Debugging, IIS, Troubleshooting Tagged: ASP.NET, Hangs, IIS, Troubleshooting

Let's fix production troubleshooting

September 17, 2013 by mvolo Leave a Comment

Production troubleshooting sucks. With LeanSentry, our vision has been to fix how IT and developers deal with production troubleshooting.

Today, this vision is getting even closer to being reality with automatic diagnostics for IIS website hangs, ASP.NET memory leaks, and many others.

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

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

Search your entire IIS / ASP.NET web application stack

May 30, 2013 by mvolo Leave a Comment

Facebook Twitter Google+ LinkedIn 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 … [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
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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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