On Sat, 08 Apr 2000 03:37:34 -0300, Fabricio Araujo wrote:

Oh, 2 typos on my messages!! I'm so sorry...

The correct ones:

>* Classic server eat more computational resources than SuperServer
>* As far I know, there's no way to kill a individual connection without shutdown the server.


>--Original Message Text---
>From: Miguel Angelo Henley
>Date: Tue, 4 Apr 2000 12:44:01 -0300
>
>Can any one explain me the difference about Classic Server and Super Server ?
>�
>Of course.
>To not create one of those messages of 2 pages of paper, let's go in what
>make the difference: user conections. Or: what happens when that user connects?
>Answers follow:
>Classic Architecture(CA).
>======
>* A new IB server process is created.
>* Every user have it's own process.
>Pros:
>* UDF easier to develop (no worry if it is thread-safe or not)
>* Individual connections are easier to kill, is only a question of locating the process and kill it
>Cons:
>* Classic server eat more computational resources that SuperServer
>* Not implement any shared cache for better performance
>
>SuperServer Architecture(SSA):
>* Each user have it's own *THREAD* (not a process)
>Pros:
>* SSA servers eat much less resources, resulting in the ability handle more connections than CA servers
>* Since SSA have a shared cache, it gets better performance
>Cons:
>* UDFs not so easy to construct (MUST be threadsafe)
>* As far I know, there's no way to kill a individual connection with shutdown the server.
>
>[]s Fabricio
>
>
>
>
>
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