Re: 64 node Oracle RAC Cluster (The reality of...)

From: Mladen Gogala <gogala_at_sbcglobal.net>
Date: Tue, 21 Jun 2005 13:19:40 +0000
Message-Id: <1119359980l.4880l.1l@medo.noip.com>

On 06/21/2005 08:17:38 AM, Marquez, Chris wrote:
> >>thought of seeing eye popping
> >>number of 'global cache cr requests'
> >>for a 64 node RAC gives me chills.
>
> My thoughts exactly!
>
> Chris Marquez
> Oracle DBA
>

There are two unholy words which Oracle sales people usually avoid when talking about RAC: functional partitioning. Functional partitioning means that each RAC node has a separate and specialized function and is mostly dealing with one part the database. That is still the best way of organizing RAC system. Also, with several cluster nodes, the private connection becomes crucial. With 64 nodes, N-cube like communication structure must be in place, so that each node is reachable through the fixed number of hops.

-- 
Mladen Gogala
Oracle DBA


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Received on Tue Jun 21 2005 - 09:24:54 CDT