Exadata characteristic and execution of study plan

Hi all

I have questions about Exadata functionality.
We have meet a performance problem in the current system and to improve the system. We are studying how much benefits that Exadata can give.
After reviewing the daily execution of the SQL statement, we find that there is certain amount of "index range scan", operation "index full scan" (from execution plan). Exadata helps these operation (e.g. smart scan)? On the other hand, it is that all execute SQL (for example the full table scan) can be advantage in using Exadata?

Thank you and best regards,
M.T.

903714 wrote:
Dear christian Christmas Pal Singh,

Thanks for your information.
Currently, the SPA is not available for evulation. It is any document describe what type of operation (e.g. Index scan interval, scan of table full) Exadata eligible in terms of performance?

Kind regards
M.T.

Yes, you can have simulation setting CELL_OFFLOAD_PLAN_DISPLAY to always. With this setting at the level of the session we could see change explain the plan, such as optimizer would think exadata is available.

Please note that oracle would not recommend to use/infact analyzes all your indexes in Exadata, because by FTS is much more effective in Exadata. Once you have moved your application to Exadata, you apply main index in INVISIBLE mode and the benefits you get (there would be huge :)).

Also check
http://Antognini.ch/2010/04/Exadata-storage-server-and-the-query-optimizer-part-1/

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