Re: Exadata CPU Upgrade
- From: Karl Arao <karlarao@xxxxxxxxx>
- To: qrasheed@xxxxxxxxx
- Date: Sun, 2 Sep 2012 12:20:07 -0500
The only way to add more CPU capacity is to add compute nodes (hardware) or
Tune the SQL that's hogging the CPU (workload).
See the image here http://twitpic.com/9gj54f/full as we add more and more
databases to the Exadata cluster (half rack) there was a point that the
OBIEE database ate up all the available CPU (even exceeded it). At that
point the workload is asking for 5.8 compute nodes and it will be more
efficient (& economical) to tune the OBIEE than to buy another 4 compute
nodes.
Once we fixed the issue, the overall CPU workload went down which freed up
resources for additional databases.
--
Karl Arao
karlarao.wordpress.com
karlarao.tiddlyspot.com
twitter.com/karlarao
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