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From: Abhilash Kumar <abhilashkumar@aimshospital.org>
To: "Tomcat Users List" <users@tomcat.apache.org>
Subject: RE: No of concurrent requests per session
Date: Tue, 14 Feb 2006 10:14:48 +0530
Message-ID: <DNEHJIFDOGBANHPKCMPIAEOGCHAA.abhilashkumar@aimshospital.org>
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 <OFA67CFEEF.EF88F3F7-ON85257114.0056876D-85257114.005A797F@desknetinc.com>
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Hello:

Thanking everyone for words of wisdom ..

I checked with firefox 1.0.7 also. It is also showing the same behaviour as
with IE.

thanks and regards,

-- Kannan.

-----Original Message-----
From: DJohnson@desknetinc.com [mailto:DJohnson@desknetinc.com]
Sent: Monday, February 13, 2006 9:58 PM
To: Tomcat Users List
Subject: RE: No of concurrent requests per session


I suspect the problem relates to pipelining of  HTTP 1.1 requests over a
single persistent TCP connection.   Pipelining is intended to improve
efficiency, allowing the need for multiple images to present a web page be
expressed to a web server one after another, before any of the responses
are given.  However, the responses must be presented in the same order as
the requests, and therein lies your problem.  If your short running
request is issued over the same TCP connection as one of the earlier, yet
to be responded to, long running requests, the response to the later
request must wait for the earlier request to be responded to first.  In
this scenario, you need to get either the browser or the web server to
stop using persistent connections.  Of course, this may make it less
efficient for serving up "normal" web pages.


Please respond to "Tomcat Users List" <users@tomcat.apache.org>

To:     "'Tomcat Users List'" <users@tomcat.apache.org>
cc:
Subject:        RE: No of concurrent requests per session


I'm guessing this is more of a browser issue. If you're using IE, I seem
to
recall there is a registry entry that lets you set the maximum concurrent
requests.

George Sexton
MH Software, Inc.
http://www.mhsoftware.com/
Voice: 303 438 9585


> -----Original Message-----
> From: Abhilash Kumar [mailto:abhilashkumar@aimshospital.org]
> Sent: Monday, February 13, 2006 6:43 AM
> To: Tomcat Users List
> Subject: No of concurrent requests per session
>
> Hello:
>
>  I am using Tomcat 5.0.30 with HTTP 1.1 Connector. If I try
> to make a third request while two other request's (which i
> have already made) responses have not yet arrived, then
> Tomcat is not serving the request until one of the pending
> response arrives. This limits me to only two pending requests
> (irrespective of the webapp) at a time.
>
>  My front app is like a dashboard which integarates multiple > web apps of
which some are reporting apps which requires 4 to
> 7 minutes to process a request and some are data processing
> apps which requires only seconds to process the request.
> Assume the user clicks on two reporting links which open up
> as new windows from the main app window. Now when he clicks
> on another link irrespctive of the webapp, nothing happens
> until one of the reporting request's response is arrived.
> This problem appears only if the requests belong to the same session.
>
> Any pointers / advices will be greatly appreciated.
>
> thanks and regards,
>
> -- Kannan.
>
>
>
> --------------------------------------------------------------
> Amritha Institute of Medical Sciences, Cochin, India
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>
>
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