Basic steps of capacity Planning for websphere

Hi,
can anyone guide me how to start capacity planing for any given application deployed on
websphere. I know this is a subject where we need to consider many factors but just wanted
to know how to start with and how different components such as EJB, threads, etc. come into
the picture. and do we really need any tool to do the same if so, can we have the same on net?

thx in advance.

ajay
ajay_sainiAsked:
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Gary PattersonVP Technology / Senior Consultant Commented:
Depends to some extent on your platform.  What WAS version are you running, and on what platform?  Also, do you also need to do database capacity analysis in conjunction with WAS?  

IBM publishes a lot of capacity planning resources:

http://www-01.ibm.com/support/docview.wss?uid=swg24007421
http://www.redbooks.ibm.com/abstracts/sg246256.html
http://www.redbooks.ibm.com/redbooks/pdfs/sg247184.pdf
http://www.redbooks.ibm.com/abstracts/sg246383.html

- Gary Patterson

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