Reputation: 4009
what exactly is i/o affinity in SQL server?
An SQ L SERVER uses 64 cores. It has been discovered that a performance issues ,when large amount of data are written to tables under heavy system load.
Why to limit the number of cores that handle I/O by using I/O Affinity?
When to create an affinity mask?
Upvotes: 1
Views: 933
Reputation: 272
It is used to control how many cores of CPU are used for disk operations and how many are used for the remaining SQL related services.
Upvotes: 1