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Oracle RAC Linux vs. Solaris shootout

Oracle guru Mike Ault just published a great article on the debate about whether Linux of Solaris is best for Oracle Real Application Clusters.


Titled, A Shootout Between Sun E4500 and a Linux Redhat3.0 AS Cluster Using Oracle10g the Mike Ault article discusses a benchmark on Linux vs. Solaris performance using a TPC-H data warehouse benchmark with Oracle 10g RAC clusters.

Aults TPH-H benchmark on RAC Solaris vs. RAC Linux shows Linux as consistently faster, both for loads and queries.  Ault came 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 requiring excessive modification of the application
  • Oracle ASM is very sensitive to disk array arrangement


Ault is considered a leading expert on Oracle Real Application Clusters and Oracle 10g Grid.  He is the author of two books on Oracle9i RAC and Oracle 10g Grid technology:


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