First guide in our expert IIS guide: how to effectively reset and restart IIS services, websites, and application pools.
The difference can be minutes of downtime on your server (or worse).
See the full recommendations on How to correctly reset, restart, and recycle IIS websites.
I am writing down everything I know from working with thousands of IIS websites over the last 10 years.
This week’s How-To: recover from a failed CPU profiler that has frozen your process in production. Plus a trick to temporarily suspend/resume any process you don’t want to be running.
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…]
Is your Azure web role throwing 503 Service Unavailable? It could be because of a poor default Pagefile size.
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…]
Pretty excited this week, AppliedInnovations just announced a partnership to bring LeanSentry diagnostics to its Windows ecommerce customers. This is a smart move, because lets face it – the worst time for your ecommerce site to go down is when its making most sales. Unfortunately, thats exactly when all the hidden application bugs and performance … [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…]