How to check IO affinity of SQL server through a query?

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Grant Fritchey SSC Guru Points: 398908 More actions · Answer 1

You just have to use sp_configure:

EXEC sp_configure 'show advanced option', '1';

RECONFIGURE;

EXEC sys.sp_configure;

That will show you all the advanced options to just see the affinity mask for I/O you do this:

EXEC sys.sp_configure @configname = 'affinity I/O mask';

--or

EXEC sys.sp_configure @configname = 'affinity64 I/O mask';

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