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The best of IOUG 2005

Oracle10g Shoot Out Ė Solaris 9 Verses Redhat3.0 AS
Michael R. Ault

Mike Ault, one of the world's leading Oracle authors, gave a remarkable performance comparison of Oracle on RedHat Linux versus Sun Solaris.

Ault notes several reasons why Linux is gaining popularity over Sun Solaris:

There are many operating systems available for the data center, Windows based systems, other Unix versions such as HPUX, AIX and TRU64, so why Linux?

Letís look at a few of the most compelling reasons:

         Linux is one of the fastest growing operating systems, for 2002 grew 18% verses only 3% for Microsoft

         Linux provides enterprise level OS features for a fraction of the cost

         Linux utilizes a non-centralized support model where bugs are tracked, reported and fixed by thousands of developers worldwide

         Linux outperforms most other operating systems especially with Oracle (most new development at Oracle will be done on Linux, replacing Solaris)

Thus, Linux seems to be one of the up and coming operating system and in my consulting practice I have had more requests concerning conversion to Linux than to any other operating system.

Ault concludes:

All of the above leads to the following conclusions:

         Linux on Intel performance beats typical Sun installations.

         SATA Array performance keeps up with native FC Arrays

         Placing an application onto RAC can provide performance improvements without excessive modification of the application

         Oracle ASM is very sensitive to disk array arrangement

I hope you find this article useful in helping to decide if conversion to Oracle RAC on commodity hardware is the right decision. However, each application is different and you should thoroughly test your application in a RAC environment before committing to such a venture.




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