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.NET Forum / ASP.NET / Web Services / May 2005

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HTTP Status-Code=503 (Service Unavailable)

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BuddyWork - 10 May 2005 11:38 GMT
Hello,

I'm doing a stress test and my test graudually
increases the connections to the webservice. Everything
works well until my connection hits around 350
connections. The new connections gets the error HTTP
Status-Code=503 (Service Unavailable), basically after
the server goes to a halt.

I am using Windows 2000 Server with IIS 5.0, Framework 1.1.
Chad Z. Hower aka Kudzu - 10 May 2005 16:43 GMT
"BuddyWork" <dhirani@bankofny.com> wrote in news:1115721510.631720.284760
@o13g2000cwo.googlegroups.com:
> I'm doing a stress test and my test graudually
> increases the connections to the webservice. Everything
[quoted text clipped - 4 lines]
>
> I am using Windows 2000 Server with IIS 5.0, Framework 1.1.

This is probably IIS limiting the connections to prevent attacks. Are you
keeping the connections open? What tool are you using to test?

--
Chad Z. Hower (a.k.a. Kudzu) - http://www.hower.org/Kudzu/
     "Programming is an art form that fights back"

Blog: http://blogs.atozed.com/kudzu
BuddyWork - 11 May 2005 07:25 GMT
I am leaving the webservice connection open because I processing
messages after the connection has taken place. The I disconnect after
all the messages has been processed for that connection. Each
connection is basically an user.

I am using Microsoft Application Center Test for .NET which came with
VS2002.

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