sudhakar2068

 Profile 

• Aug 16th, 2006

 

when more web applications are added the performance behaviour decrease.The break point even point for that application take place and systems get crashes and hanged.

sudhakar kolla

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ramesh viswanathan

• Aug 27th, 2006

 

The question is "How is the performance behaviour of the web-application when more application servers are added?"

if its a 3-tier archi with web-server, app-server and db-server when u say by adding more application servers it can be either by  clustering or by having more phyical servers wherein load balancing in included. such cases we need to see if the application server is bottleneck during performance testing and then add more application servers depending on the stats collected both application counters and server counters. more apps are added where-in the application server need to provide more interaction with db and examples like heavy duty applications where buisness logic resides in app-server.

moreover it also depends on varions factors like server configuration, network domain, application set-up. sometimes it might improve performance or sometimes it might increase ur cost doing nothing.

hence the need for adding more app-servers have to be chosed for the very purpose its been used.

mail me if u need more information.

rgds

ramesh viswanathan

jainbrijesh

 Profile Answers by jainbrijesh Questions by jainbrijesh

• Dec 6th, 2006

 

It depends on your application if it is behaving good with existing server, i mean if there is no bottleneck, then addition of server will not be sp beneficial for performance as our goal is.Ofcourse, if there is bottleneck , addition of server may solve our problem , it depends on application as well as on other factors also.