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Questions tagged [wcat]

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.

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 Benefits Very light weight (low hardware requirements) Extensible to handle any aspect of the HTTP request or response Allows remote collection of perfmon data and registry

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WCAT 6.3 Connection Issue

I am encountering an issue when running wcat from a local host to a remote iis server. During the warmup period all 10 connections are made successfully, but during the duration period no connections are made. Please see results below. Any…
Robert Hernandez
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How do I assign a different IP address to each virtual client in WCAT

I need to simulate 200 unique users (Unique IP's) hitting a web server using the Microsoft Web Capacity Analysis Tool. I need to do this using 200 virtual clients. I have DNS pointing all 200 IPs at the client box on which the virtual clients will…
Pierre LeBoo
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wcat follows redirects on port 80 even if default was set on 43xxx

I'm using IIS 7 and have a website deployed on port 43xxx. I'm trying to do a load test using wcat. I'm trying to access an URL /directaccess/ which in turn will return a status code of 302, do a redirect to another URL - who will also return a 302…
ccriveteanu
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Unexpected HTTP Status Codes using WCAT with NTLM

Does anyone know how to avoid WCAT recording unexpected "401 Unauthorized" HTTP Status codes when testing a web application that uses NTLM authentication? An example of the code I am using for a request is below: request { url =…
Chris
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Unable to run WCAT against DotNetNuke with NTLM authentication

I have a ubr file setup to stress test an internal DotNetNuke site with WCAT: transaction { id = "Intranet Home Page"; weight = 1000; cookies{clear = true;} sleep{delay = rand("1","500");} request { url =…
David Neale
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Working around ValidateAntiForgeryTokenAttribute() with WCAT load testing

I am using WCAT to perform a load test against an ASP.NET MVC application. Because this app uses the anti-forgery token security validation, I am wondering if it is possible to generate dynamically postdata values in the WCAT script values in order…
Jero Lopez
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WCAT #Requests more than #Virtual Clients

This problem is now solved. Removing the content because, I had added too much confidential details earlier. Thanks stackoverflow.
Vidya Sagar Sankaranarayanan
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Highest number of threads: Jmeter vs. WCat 6.3

I want to use the highest possible number of threads on single computer. I tried JMeter and for me it's not enough. I have only few computers to use. Is WCat generating higher number of threads which I can reasonable simultaneously run than JMeter?
akuzma
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WCAT 6.1 for WCF DataService

I am using WCAT 6.1 for WCF DataService. Is it possible to insert breakpoint in my code while executing WCAT script?
Rahul Gupta
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WCat throwing error from ubr file generated from WCat Scenario Creator

I used the WCat Scenario Creator (http://fiddler2wcat.codeplex.com/) to generate the scripts of many requests through a website. I had to add the "port:8888;" to every request. Then, after the "All clients connected, Test beginning." response, the…
DFBerry
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WCAT Problem

I am trying to stress test an ASP.Net MVC application using the WCAT tool. I get results when the WCAT client and controller are on the web server(localhost), but when I move the WCAT client to another machine, I get "404 Not found" errors. It seems…
yuben
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