Robert Klemme wrote:
> Roland Schmitt wrote:
>> Robert Klemme wrote:
>>> Roland Schmitt wrote:
>>>
>>>> Robert Klemme wrote:
>>>>> Btw, is J2EE enterprise ready?  Is there a significant number of
>>>>> applications out there that make full use of J2EE's feature set
>>>>> (including scalability features) and serve large numbers of
>>>>> concurrent users?  I'm not prejudicing, just curious.
>>>> Yes, they are.
>>>> I'm working in a company with products based on J2EE/JBoss where the
>>>> scalability is one reason for our customers to choice the products.
>>>>   They want to add users as they need and the front-end is a
>>>> rich-client for image processing, not only a web front-end.
>>> Can you post some figures (# of hosts, max concurrent users etc.) or
>>> is this somehow confidential?
>> Ok, looked at my current installations, find one with:
>> - 10 Servers (8*CPUs...)
>> - 120-160 Users
>> - Oracle and MSSSQL-DBs
>> - SAP-Integration
>>
>> Hmm, ok, it is not that big, but because it is an type of accounting
>> system, it must be very reliable/scalable.
> 
> You need 80 CPU's to serve 120-160 concurrent users?  That would be 2
> concurrent users per cpu *max*.  This certainly sounds like bad resource
> usage - or did I miss something here?

It is not that simple. There is a lot of graphic processing, character 
recognition, web services and SAP.

So i think it is not an "typical example" where you use J2EE more or 
less as a backend-end for a browser application.

Regards,
Roland