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Porting To Parallel Server

Oracle Tips by Mike Ault


Databases have evolved from being tens of megabytes to terabytes and even petabytes in size. Adding to the complexity of managing these large databases is the constraint of longer and longer required uptimes, upto and including 24X7 requirements. It can be difficult to provide proper support for large, 24X7 databases. Tuning, backup, and normal maintenance activities suddenly become impossible if the database can not be taken out of service for a moment, let alone the several days required for some maintenance activities. One possible solution to the 24X7 enigma is to use Oracle's parallel server technology. Oracle parallel server, coupled with the appropriate disk mirroring and shadowing allows for operations and administration activities to be accomplished without downtime. Parallel server also allows for application partitioning, load balancing and increase in the number of concurrent users that can access a single set of database files. Unfortunately, most parallel server implementation strategies assume you are starting with the design phase, unfortunately, many of us who wish to implement this technology have existing applications. Porting to parallel server is a challenge, hopefully this presentation will point out some of the pitfalls and make transition to parallel server easier.

For more information on this topic, I recommend Don Burleson's latest book "Oracle Tuning: The Definitive Reference". 

You can buy it direct from the publisher for 50%-off and get instant access to the code depot of Oracle tuning scripts:

Download your Oracle scripts now:

The definitive Oracle Script collection for every Oracle professional DBA




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