We just announced our new expert How-To series, where we’ll be bringing you some of the best practices and techniques we’ve been using with customers. The post this week is about the Response.Flush API, a silent but deadly performance killer. Many of our ASP.NET customers experience performance degradation and hangs because of it, so its … [Read more…]
LeanSentry’s new Hang diagnostics are out! This was a major rewrite of the diagnostic algorithm, and a complete redesign of the interface. Some of the biggest changes are …
Hard to believe its been more than a year since my last post! I get a lot of “Hey Mike, what have you been up to?” email from this blog and the IIS troubleshooting newsletter, so I figured I should answer this question before getting back to business as usual. The short answer is, I’ve … [Read more…]
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? Do you agree with … [Read more…]
Want to learn how to troubleshoot IIS website hangs the way Microsoft developers do it? Check out the new IIS hang troubleshooting guide.
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.
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!
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.
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.
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.