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Azure, IIS, ASP.NET, and LeanSentry

LeanSentry

LeanSentry at TechEd: Day 1

June 5, 2013 by mvolo 1 Comment

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.

Posted in: IIS, LeanSentry, TechEd, Troubleshooting Tagged: IIS, LeanSentry, TechEd, Troubleshooting

We are at TechEd!

June 3, 2013 by mvolo 2 Comments

This is LeanSentry’s first TechEd event, and first major conference really. Day 1 is starting now, and we are super excited to show off leansentry/talk to everyone. If you are there, definitely come by and check us out. We are in booth 2417/2419!

Posted in: LeanSentry Tagged: LeanSentry, TechEd

Search your entire IIS / ASP.NET web application stack

May 30, 2013 by mvolo Leave a Comment

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…]

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

Come support us at TechEd 2013 and get awesome stuff!

May 15, 2013 by mvolo 2 Comments

Are you going to TechEd this year? Be sure to come see us, and get some awesome stuff – including an exclusive LeanSentry discount, and a chance to win a Microsoft Surface! We’ve been working hard to to bring better monitoring and production troubleshooting to IIS/ASP.NET apps.  But, we really do have some amazing new … [Read more…]

Posted in: ASP.NET, IIS, LeanSentry, TechEd Tagged: IIS, LeanSentry, TechEd

Manage IIS/ASP.NET applications easier with smart alerts

April 9, 2013 by mvolo 1 Comment

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.

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

Why average latency is a terrible way to track website performance … and how to fix it.

February 9, 2013 by mvolo 19 Comments

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 …

Posted in: CodeProject, IIS, LeanSentry, Performance, Troubleshooting Tagged: IIS, LeanSentry, Performance, Troubleshooting

LeanSentry: A better monitoring service for Windows server web apps

February 5, 2013 by mvolo 11 Comments

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 …

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

Troubleshoot Windows Azure apps with LeanSentry in seconds!

July 12, 2012 by mvolo 1 Comment

We all know that getting visibility into Azure apps can be painful! Over at LeanSentry, our big goal is to make troubleshooting Azure apps just as easy as we make it for standard hosting environments. To make this easy, we just released the Azure Nuget package for LeanSentry.  With this, it literally takes 2 seconds … [Read more…]

Posted in: Azure, LeanSentry Tagged: Azure, LeanSentry, Nuget
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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.

Expert IIS and .NET performance guides

  • How to reset and restart IIS correctly.
  • Get the best IIS application pool availability with warmup.
  • Turn on richer IIS logs for IIS log analysis on steroids.
  • Fix 503 queue full errors and improve RPS by tuning the IIS thread pool.
  • Tune high CPU usage in w3wp.exe.
  • Fix .NET memory leaks and tune w3wp memory usage.
  • Fix IIS and ASP.NET hangs, and async await hangs in ASP.NET core, MVC and WebAPI.

Recent Posts

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  • Async await hangs in ASP.NET Core, MVC and WebAPI
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  • New guide to IIS and asp.net hangs
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