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Web Site Stops Responding for 15-25 seconds

There are a number of reasons that a web site could have a delay (hang) that could cause problems.  I am going to talk about a common one that we see which is the CRL. What we have seen in the past is the Crypto API’s are trying to update the Certificate Read More...

Posted 28 October 08 06:00 by Tom | 2 Comments   
Filed under ASP.NET, IIS, Hang

ASP.NET and Performance

I wanted to talk about monitoring performance in ASP.NET for a bit.  I have already posted a few postings that talk around this issue, namely: ASP.NET Debugging - High Memory part 5 – Fragmentation ASP.NET Debugging - ASP.NET Tips- How to use DebugDiag Read More...

Posted 23 June 08 02:29 by Tom | 2 Comments   
Filed under ASP.NET, Debugging, IIS, Crash, .NET, High Memory, Microsoft, ASP.NET Tip, Hang, High CPU

ASP.NET Tips: What to gather to troubleshoot

So now that I am done with all the individual posts, I thought I would wrap them all together.  So here are all of the posts that I created on gathering information when you are having a problem. Please keep in mind that these are geared towards Read More...

Posted 21 May 08 11:38 by Tom | 3 Comments   
Filed under ASP.NET, Debugging, IIS, Crash, .NET, High Memory, ASP.NET Tip, Hang, High CPU

ASP.NET Tips: What to gather to troubleshoot - part 4 - Deadlocks

There are two ways to gather data in a Deadlock situation.  If you are using Windows 2003 or later (IIS 6.0 or later), then follow the steps in the KB 828222 If you are using an older version of IIS, then follow the steps below: Before the issue Read More...

Posted 14 May 08 11:35 by Tom | 3 Comments   
Filed under ASP.NET, Debugging, IIS, .NET, ASP.NET Tip, Hang

POP QUIZ: How to Troubleshoot a Hang

For this quiz.  Let’s say that you run a web server and your customers complain that the site is running slow.  What do you do to troubleshoot it? As a follow-up, if you figure out that one page is the problem, what do you do to look into what Read More...

Posted 07 May 08 09:31 by Tom | 10 Comments   
Filed under ASP.NET, Debugging, IIS, Trivia of the Day, Hang

ASP.NET Tips: What to gather to troubleshoot – part 1 – High CPU or Hang

On machines running IIS5 and IIS5.1, these are the Inetinfo.exe, DLLHost.exe and/or ASPNET_WP.exe processes. On machines running IIS 6 or 7, this is the w3wp.exe process. The following steps will allow us to get log files of the processes hosting the Read More...

Posted 02 May 08 12:13 by Tom | 12 Comments   
Filed under ASP.NET, Debugging, IIS, .NET, IIS7, ASP.NET Tip, Hang, High CPU

ASP.NET Tips: How to use DebugDiag to track down where a performance problem is coming from

We recently had a case where the customer was having performance problems. They were seeing requests take a few minutes to return and didn’t know what was happening. So they took some dumps while the problem was happening. So we ran this dump through Read More...

Posted 25 April 08 03:54 by Tom | 7 Comments   
Filed under ASP.NET, Debugging, IIS, ASP.NET Tip, Hang

Hangs and how to solve them - part 2 - Queuing

So in a previous post, we began discussing hangs, Hangs and how to solve them - part 1 - Deadlocks . So we will now move on to another common problem we see with ASP.NET... Request Queuing. How to tell Queuing is happening So the first step is to see Read More...

Posted 25 March 08 04:40 by Tom | 8 Comments   
Filed under ASP.NET, Hang

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