Here is my short answer to your bottleneck question.

The RAM will be the bottleneck of your server as stated below.

--- In [email protected], "jwc_wensan" <[EMAIL PROTECTED]> wrote:
> Renaun:
> 
> I appreciate your input.
> 
> That number seems low.  What do you see is the bottleneck?  Flex,
> CPU, RAM, etc.?
> 
> Without going live, any suggestions on how to benchmark?
> 
> Thanks,
> 
> Jack
> 
> 
> --- In [email protected], "kaibabsowats" <[EMAIL PROTECTED]> 
> wrote:
> > I won't give you definite answer as it does really depend, but give
> > you a at least number.  
> > 
> > With Java the JVM has a 1.5Gb ram limitation (unless using Sun 
> boxes
> > or 64 bit correct me if I am wrong).  So I usually try and get 2Gb 
> of
> > ram minimum.  This allows the JVM use its limit if needed and have
> > stuff left over for normal OS and Database usage.
> > 
> > The number I can give is that you can definitely handle a couple
> > hundred simultaneous users on a server like that.  To spec out
> > anything more you need to benchmark the server with the actual
> > application.  I had a Dual 3.2Ghz Xeon 2Gb ram handle 1000-2000
> > simultaneous users for a Java application that was Memory 
> intensive.
> > 
> > It is pretty safe to say if you actually have a couple hundred
> > simultaneous users you mostly likely have ten of thousand actual
> > users.  Of course there is no magic number but these are given as 
> is
> > and really should be benchmarked with the actual application.
> > 
> > Renaun
> > 
> > --- In [email protected], "jwc_wensan" <[EMAIL PROTECTED]> 
> wrote:
> > > To All:
> > > 
> > > Yesterday I made a post regarding trying to determine how many 
> users
> > > a single server with one CPU could handle.  I realize "it 
> depends"
> > > and I did not define any type of application.
> > > 
> > > I am trying to get some type of handle on what my costs will be
> > > regarding CPU licenses, servers, etc.
> > > 
> > > So let me try again.  Let's take the Flexstore as an example 
> > > application.  Based on this, can anyone shed some light as to 
> how 
> > > many users in an hour the server could adequately handle.
> > > 
> > > Where will the bottleneck occur: Flex, server itself, database, 
> etc.
> > > 
> > > If an hour is not the right way to measure, then please offer any
> > > measurement you feel is correct.
> > > 
> > > Server Configuration:
> > > 
> > >     Dell Server @ 3.8 GHz with 1 GB RAM
> > >     JRUN4
> > >     Win 2000 Server
> > >     1 Flex license
> > > 
> > > As Dave and others recommended, I will put the database on a 
> separate
> > > server.
> > > 
> > > I am not trying to tie anyone's hands here, just trying to get 
> some
> > > perspective.
> > > 
> > > Thanks in advance,
> > > 
> > > Jack




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