Is Alter partition Fucntion SPLIT I/O intensive?


hi,

i wondering if alter partition fucntion fn_xxx split is i/o intensive? or changes meta-data , not i/o intensive. thanks

no. there's no physical data movement involved, metadata modified re-arrange first page of each partition can view via sys.parititions , (undocumented) sys.system_internals_allocation_units

 



SQL Server  >  SQL Server Database Engine



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