0
votes
0answers
16 views

How to Measure the Impact of Blocking on IIS Worker Threads

I frequently work as a contract software developer on an existing ASP.NET Web Application. Often, I see code that looks like it should be made asynchronous, so that database or web service operations ...
1
vote
1answer
283 views

how does NewRelic work by simply installing .Net agent?

Yesterday, I decided to give NewRelic a try. I signed up for a free account, and installed the .Net agent, and restarted IIS as instructed. Immediately, this agent started showing up a wealth of ...
0
votes
1answer
87 views

performance monitor in iis 7 to monitor which website is using most resources (asp.net)

I am using Windows Server 2008 R2 and IIS 7.5, and am hosting multiple websites on the same webserver. Is it possible to use Performance Monitor to know on average which website is using the most ...
1
vote
1answer
346 views

Active Sessions Performance Counter for Web Server

I would like to monitor the number of active sessions for my ASP.Net 4.0. It is hosted on IIS7 Windows 2008 Server. When I looked at the Performance counter, I saw many instances. How could I know ...
0
votes
1answer
132 views

ASP.NET Applications WMI class not found

I'm trying to instrument ASP.NET cache behavior on a web cluster by accessing the counters in the WMI class, Win32_PerfFormattedData_ASPNET_ASPNETApplications. 2 of my servers have this class, but 1 ...
2
votes
0answers
231 views

What could be cause of ASP.NET State Server timeout?

I recently migrated an app from SQL Server backed sessions to the ASP.NET State Server. About once a week there is a brief failure of ASP.NET to connect to the state server. These last from 20 ...
3
votes
0answers
1k views

Use perfmon to monitor a specific ASP.NET webapp across worker process restarts, IIS restarts, etc.?

I have a few perfmon performance counters that I'd like to track for a specific ASP.NET application over an extended period of time, say a week or a month. The trouble is that perfmon counters are ...
0
votes
4answers
232 views

Complete server snapshot for troubleshooting performance?

From time to time, something happens to our website that makes it slow and unresponsive. Inevitably, this happens at like 3 AM, on a day when all the devs have gone to bed early. Are there any good ...
0
votes
1answer
733 views

IIS/ASP.NET performance incident - Perfmon Current Annonymous Users going through roof but Requests/sec low

Setup: ASP.NET 4.0 website on IIS 6.0 on Win 2003 64 bit, 8xCPUs, 16GB memory, separate SQL 2005 DB server. Had a serious slowdown today with any otherwise fairly well performing ASP.NET site. For a ...
3
votes
1answer
830 views

How can ASP.NET's “Request Wait Time” be 0 when “Requests Queued” is consistently in the hundreds?

I'm curious why Performance Monitor claims I always have a few hundred ASP.NET 3.5 requests "queued". The "Requests Queued" "ASP.NET v2.0.50727" performance counter is hovering in the few-hundred ...
1
vote
1answer
1k views

Monitor ASP.NET Session State Variables

We are running a number of ASP.NET applications on W2K3 Server and IIS 6.0, and are looking for a way to be able to monitor ASP.NET session state variables (InProc) that are stored in memory. We are ...
5
votes
1answer
1k views

Perfmon: which counter identifies that threads are waiting?

While load testing an ASP.NET app, we find that the pages are taking 20-30 sec under heavy load. We suspect this is because the pages are waiting for database calls or web services. Is there a ...
0
votes
3answers
184 views

Web Application Performance Testing - End User Experience

I currently maintain servers that host a .NET web application for external customers (primarily Microsoft technologies). I would like to find some tools or services that would let me measure web ...
0
votes
2answers
2k views

SQL ASP State - Perfmon for Active User Sessions

we have an IIS web farm (two servers at the moment) set up to use SQL ASP State for the Session info. When I query the ASP State database table I can see the number of sessions being managed by the ...