processor to instanses

  • I have a server with 4 processors. Two instanses of SQL Server 2008 R2 is installed on the server. Now I want to dedicate two processors too one instans and the other two to the other instans.

    I go to properties of the instanses and select processors, but what value will I use to dedicate the processors to the instanses? Processor affinity mask or I/O affinity mask?

  • Erik Hansson (9/15/2011)


    I have a server with 4 processors. Two instanses of SQL Server 2008 R2 is installed on the server. Now I want to dedicate two processors too one instans and the other two to the other instans.

    I go to properties of the instanses and select processors, but what value will I use to dedicate the processors to the instanses? Processor affinity mask or I/O affinity mask?

    Both is you're trying to isolate one instance from another completely.

    ----------------------------------------------------The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood... Theodore RooseveltThe Scary DBAAuthor of: SQL Server 2017 Query Performance Tuning, 5th Edition and SQL Server Execution Plans, 3rd EditionProduct Evangelist for Red Gate Software

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