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.
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.
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.
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…]
We finally did it. LeanSentry now automatically detects and diagnoses IIS and ASP.NET hangs!
Your users are complaining that the site is loading slowly, or you are making requests to your application and they are hanging. Here is my preferred method for diagnosing hanging requests on IIS servers:
Its been a big month for LeanSentry! We’ve released several big features to help make supporting and troubleshooting IIS/ASP.NET apps way easier, including smart alerts, automatic error highlighting, server diagnostics, and more. Read on for the juicy details.
ASP.NET Health Monitoring was one of the major features I worked on for the ASP.NET 2.0 release. Fast forward 8 years later, after releasing ASP.NET, IIS7, and building LeanSentry. This is the story of this feature, lessons learned while building it, and a practical take on when to use/not to use Health Monitoring for monitoring your ASP.NET applications.
How do you know if your website is running slowly? Using the common metric of Average Response Time turns out to be a terrible idea.
These are the reasons why, and how we resolved this problem for LeanSentry …
We’ve spent the last 5 years helping our clients build better websites on the Microsoft web platform. Eventually we got sick of logging into servers to debug IIS problems with appcmd, EventLog, windbg, and logparser.
So we built LeanSentry, a realtime diagnostic service for web applications on the Microsoft web platform …