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Ensure Performance After Upgrade

March 27, 2012

How to ensure DB performance is Good as it was before upgrade to higher version (e.g. upgrade from 10g to 11g ):

How to Use Database Replay Feature to Help With The Upgrade From 10.2.0.4 to 11.1. (Doc ID 748895.1)

The above note will explain all about the DBreplay feature and what it does and how to use it.

On top of 10.2.0.4 to enable the capture and have the feature along with all known bugs regarding this feature we must apply patch 10239989.

Real Application Testing Now Available for Earlier Releases (Doc ID 560977.1)

https://blogs.oracle.com/optimizer/entry/upgrading_from_9i_to_11g_and_the_implicit_migration_from_rbo

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