Subject Re: [IBDI] Classic x Super Server
Author Paul Beach
There's a paper on this now up on the www.interbase.com web site :-)

Regards
Paul

Paul Beach
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----- Original Message -----
From: Fabricio Araujo <fabricioa@...>
To: <IBDI@egroups.com>
Sent: Sunday, April 09, 2000 7:30 PM
Subject: Re: [IBDI] Classic x Super Server


> 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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