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From "Futchi" <msaf...@massar.com>
Subject RE: how many sessions can read the ServletContext() at a time
Date Wed, 28 Apr 2004 13:43:39 GMT


It is live optimized video, each session updated every one second, the
only shared place between all sessions is the "servlet context" where I
have to transfer the image into (using java servlet Thread). Then each
session can be updated every one second from the "servlet context",
memory location is always faster and more reliable than using files or
DB.

What do you think? How many concurrent sessions can be served?



   

-----Original Message-----
From: Ralph Einfeldt [mailto:ralph.einfeldt@uptime-isc.de] 
Sent: Wednesday, April 28, 2004 14:25
To: Tomcat Users List
Subject: RE: how many sessions can read the ServletContext() at a time

Do you really need a copy of the image in each session
or just a reference to the image ?

In the later case the number of concurrent session is limitted
by other things (rest of the application, hardware, ...)

<Yoav-Mode>
  Test it (with ab, jmeter, ...) and you know for shure.
</Yoav-Mode>

> -----Original Message-----
> From: Futchi [mailto:msafadi@massar.com]
> Sent: Wednesday, April 28, 2004 3:18 PM
> To: Tomcat Users List
> Subject: how many sessions can read the ServletContext() at a time
> 
> 
> There is a ServletContext() attribute updated every one second, the
> attribute content is an image ( 20kb ), each session need a 
> copy of this attribute each one second, till now we tested the 
> application with 10 sessions at it works fine, what if we have 
> 1500 sessions??
>  

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