When I picked restarting IIS as the topic to dig into first, I thought this was kind of a random place to begin. Especially given how many other, seemingly more exciting things I will be talking about, including hangs, scalability, session state, async, and all the others. (To skip my rambling and go straight to … [Read more…]
In case you missed it, LeanSentry How-To last week was about removing slow or unhealthy Azure instances from your cloud service. It’s a relatively new technique made possible by a new Azure API, that lets you remove a specific instance of your choosing. Direct link: LeanSentry How-To: Remove unhealthy or slow Azure instances Reasons to … [Read more…]
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.