Incorrect Bios Settings Can Reduce Database Performance [SQL Server]
It turned out that the issue was not Hyper Threading related, but a Bios misconfiguration instead.
Tag «BIOS»
Microsoft Says there is nothing wrong with SQL Server 2008 R2
Over 3 weeks ago we solved the issue we were having with one particular cluster node running SQL Server 2008 R2. We have been going back and forth with Microsoft to obtain an explanation on why the erratic behavior of the RDBMS engine.