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Verify Allocation Unit Size for SQL Server

Why Do I Care? Everything in SQL Server is stored on disk in 8K pages.  The Microsoft recommended best practice is to format using a 64K allocation unit size.  Processes such as the checkpoint and Lazy Writer try to write in extents when possible.  Extents are a collection of 8 pages and since each page […]

The post Verify Allocation Unit Size for SQL Server appeared first on Ryan Adams Blog.

Ryan Adams

Ryan Adams is a Senior Premier Field Engineer for Microsoft. He works directly with customers to help them realize their business potential and accelerate their digital transformation on premises and in the cloud. Previously, Ryan was a Microsoft Data Platform MVP and spent 19 years working for a fortune 100 company. His passion is the SQL Server Engine, High Availability, and Disaster Recovery. He also served on the Board of Directors for the North Texas SQL Server User Group, was President of the PASS Performance Virtual Chapter, was a PASS Regional Mentor, and served as a Director for the PASS organization.


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