Re: 4 Node RAC Cluster GigE vs Infiniband

From: Daniel Morgan <damorgan_at_x.washington.edu>
Date: Mon, 27 Sep 2004 19:33:06 -0700
Message-ID: <1096338863.835050@yasure>

ctcgag_at_hotmail.com wrote:

> Rodrick Brown <rbrown[@]doitt.nyc.gov> wrote:
>

>>Hello all I've been getting mixed answers on how fast the interconnect
>>should be between the RAC clusters some say 100mb, GigE and  infiniband
>>i'm planning on using Oracle 10g for a Geographical information system
>>database, currently I'm planning on using Sun Fire V280R's 2x 1.2Ghz
>>8GB mem in a 4 way RAC cluster has anyone deployed something similar on
>> GigE and was was the response time like on big queries.

>
>
> I don't know anything about your RAC interconnect question, but I have
> dabbled a bit with Oracle Spatial. It appears to be very CPU hungry and if
> using spatial indexes is the main load on the system, I'd want to have
> faster CPUs above all else, which means I'd lean towards intel/linux. I
> don't have experience with RAC--so take my advice with a grain of salt--but
> my gut feeling is that "spatial" makes as much difference in hardware
> considerations as "RAC" does.
>
> Xho

For a RAC standpoint your advice is good.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu
(replace 'x' with 'u' to respond)

Received on Mon Sep 27 2004 - 21:33:06 CDT