RE: RAC (Real Application Clusters)

Specifically ask about RAC's performance with respect to platform. I saw a demo that HP put on at a WOUG meeting where the NT cluster took 20-30 seconds to fail over. While this isn't earth-shattering, there was mention made that Unix/Linux failover times only took about 1-2 seconds. Might be an issue for e-commerce or such.

Very impressive demo they put on. I especially liked the transparent query failover and load balancing. Da-rool, da-rool. Of course, for us to convert our concurrent user licenses to per-CPU licensing for RAC, well...

Rich Jesse                           System/Database Administrator
Rich.Jesse_at_qtiworld.com              Quad/Tech International, Sussex, WI USA

> -----Original Message-----
> From: Glenn Travis [mailto:Glenn.Travis_at_sas.com]
> Sent: Thursday, September 26, 2002 10:04 AM
> To: Multiple recipients of list ORACLE-L
> Subject: RAC (Real Application Clusters)
>
>
> I am visiting Oracle next week and will be getting a
> dog-and-pony show on Oracle 9i and RAC (Real Application
> Clusters). Does anyone have any experience or comments on
> this product/technology? Can you suggest some burning
> questions I can pose to Oracle when we get the demos? This
> is a technical overview and we will be seeing conversions
> (Apps and non-Apps environments) as well as failure scenarios.
>
> Any advice/comments are welcome. Thanks.

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Author: Jesse, Rich
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