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Windows 2008 Network Load balancing testing NLB

Posted on 2012-03-21
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1,701 Views
Last Modified: 2012-03-26
Experts,

Can someone recommend and application to test the NLB feature on Windows 2008.
I am trying to create a webfarm on IIS.

I would like to:
1. Generate a lot of traffic to stress test the hardware and functionality.
2. Figure out a way to make sure that the Web page balancing load is actually being applied.  (Not sure how to graph the usage on both servers)

Thanks,
R
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Question by:RandallVillalobos
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LVL 30

Accepted Solution

by:
Brad Howe earned 500 total points
ID: 37748324
Give WCAT mixed with Logparser  a shot.  It's free, incorporates in to perfmon and is a much more robust stress testing tool then tinyget. WCAT to simulate use load then use LOG PARSER to query the sent requests.

Unfotunately there is no 1 tool to give that graph.
 
Web Capacity Analysis Tool (WCAT):

Overview: Web Capacity Analysis Tool (WCAT) is a lightweight HTTP load generation tool primarily designed to measure the performance of a web server within a controlled environment. WCAT can simulate thousands of concurrent users making requests to a single web site or multiple web sites. The WCAT engine uses a simple script to define the set of HTTP requests to be played back to the web server. Extensibility is provided through plug-in DLLs and a standard, simple API.

Features:
•HTTP 1.0 and HTTP 1.1 capable
 •Supports IPv6 Multithreaded Support
 •Supports generating stress from multiple machines
•Extensible through C plug-in
•DLLs Supports Performance Counter integration
•Measures throughput and response time
•Supports SSL requests
•NTLM Authentication request support
•Easily supports testing thousand of concurrent users
 
x86 - http://www.iis.net/community/default.aspx?tabid=34&g=6&i=1466
x64 - http://www.iis.net/community/default.aspx?tabid=34&g=6&i=1467

Sample test plan:
http://www.dotnetguy.co.uk/post/2010/04/17/using-wcat-and-perfmon-to-performance-test-your-aspnet-application
http://www.galcho.com/articles/StressTestingWCAT.aspx


Log Parser 2.2
Analyze your IIS Log Files

download  - http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=24659

http://blogs.iis.net/carlosag/archive/2010/03/25/analyze-your-iis-log-files-favorite-log-parser-queries.aspx


VIDEO HOW TO - http://www.youtube.com/watch?v=Bz06v09Zru4

Let us know if you have questions.
Cheers,
Hades666
0
 

Author Comment

by:RandallVillalobos
ID: 37749490
Awesome, let me check it out.
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Author Comment

by:RandallVillalobos
ID: 37758755
Hi,  do you think this will also work on  Apache or just IIS?
0
 

Author Closing Comment

by:RandallVillalobos
ID: 37767560
thanks
0

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