Hi Emerson.
I was hoping to have heard an answer before now
Right now, we are readily running a tad over 500users/box before bugs in the Application (which we have fixed since the last test), and Sun Classloader issues, started cropping up and taking things down.
The boxes were single AMD Athlon 1.2Ghz machines, and memory load was around 200MBs (the machines had 1.5GB - 3.0GB Ram).
Design specs call for us to be able to support 5000Users/box.
-Steve
Emerson Cargnin - SICREDI Serviços wrote:
Today i got a question from my manager (i work in a bank, there will be
a web layer at the bank office and a central ejb layer) :
Emerson, how many boxes in the ejblayer do we need to support 800
offices and more than 4000 simultaneous clients (from the offices).
Imagine that you have available any number of xeon dual 2mhz with 2giga
RAM connected through a gigabit lan, how many boxes of this kind do we
need?
I confess that i exitated a little. This is a though question, indeed. I
think that CMP and mainly clustering will not have the same gain when
you have too many nodes in the cluster, given the communication needed
among the nodes to keep the data replicated.
Does any one have any parameter for a capacity plan for a scenario like
this? jboss group, any clue ??
What could be the limit beetwen number of nodes and replication overhead?
Thanks in advance for any answer : )
--
Java/J2EE Developer/Systems Integrator
214-724-7741
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