Note After you apply SQL Server 2016 Cumulative Update 2 (CU2), the SECURITY_CACHE and CMED_HASH_SET names are changed to LOCK_RW_SECURITY_CACHE and LOCK_RW_CMED_HASH_SET, respectively. After CU2 is applied, the values appear as follows.
About cumulative updates for SQL Server
The white paper Diagnosing and Resolving Spinlock Contention on SQL Server discusses issues and resolutions related to spinlock contention in detail.
Article ID: 3195888 - Last Review: Sep 30, 2016 - Revision: 1