Informix 7.2 vs. 8.0 
Author Message
 Informix 7.2 vs. 8.0

Having been away from Informix for a while, could someone please enlighten
me
on the differences between 7.2 and 8.0?  Is 8.0 the next step up from 7.2?
 I
thought 7.2 was just released.  Are these two separate paths of the same
product or what?

As a second question, has anyone had any experience with CLI 2.0?  Is it a

robust product?  What about performance?

Thanks in advance,

Lee Bradford



Wed, 18 Jun 1902 08:00:00 GMT
 Informix 7.2 vs. 8.0



Quote:
>Having been away from Informix for a while, could someone please enlighten
>me
>on the differences between 7.2 and 8.0?  Is 8.0 the next step up from 7.2?
> I
>thought 7.2 was just released.  Are these two separate paths of the same
>product or what?

>As a second question, has anyone had any experience with CLI 2.0?  Is it a

>robust product?  What about performance?

>Thanks in advance,

>Lee Bradford

  7.2 is the latest version 7 SMP (Symetric Multi Processing)
   product i.e. 1 or more CPU's on one macbine all address the same
   block of memory.

  8.0 is MPP (Massively Parallel Processing) and LCP (Loosly Coupled
  Processing) machines. Here all CPU has it's own memory and other CPU's
  can not directly access that memory. Hence LCP - loosely coupled.

  When you have lots of CPU i.e. 100's/ 10000's (16364 is the most
  I;ve heard of) then if they all access the same memory bus this
  becomes a serious bottleneck. So MPP (Massively Parallel Processing)
  machine have each CPU with its own private memory and a message
  passing method of communicating.

   8.o also works with Multiple machines treated as one machine.

  In summary, they are 2 separate paths of the same architecture.
--
David Williams



Wed, 18 Jun 1902 08:00:00 GMT
 Informix 7.2 vs. 8.0

Informix 8.x is used as a "datawarehouse" type of engine. This means
that this engine is designed for processing "queries" on "MPP" and "SMP
clustered" architectures. This engine is called XPS (eXtended Parallel
Server). The architecture is "shared nothing".

7.x is used as a "general purpose" engine serving both query and OLTP
type of application. It is designed to run on SMP and single cpu
systems. However the performance is better on SMP platforms with 4
cpu's. This engine is called ODS (Online Dynamic Server). The
architecture is "shared everything".

    <<<Saeed>>>


writes:

Quote:

>Having been away from Informix for a while, could someone please
enlighten
>me
>on the differences between 7.2 and 8.0?  Is 8.0 the next step up from
7.2?
> I
>thought 7.2 was just released.  Are these two separate paths of the
same
>product or what?

>As a second question, has anyone had any experience with CLI 2.0?  Is
it a

>robust product?  What about performance?

>Thanks in advance,

>Lee Bradford



Wed, 18 Jun 1902 08:00:00 GMT
 
 [ 3 post ] 

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