KB4090320 - FIX: Significantly increased PAGELATCH_EX contentions in sys.sysobjvalues in SQL Server 2014

Symptoms

Assume that you remove temporary objects such as temporary tables, table variables, or table-valued parameters in Microsoft SQL Server 2014. In this scenario, significantly increased PAGELATCH_EX contentions occur on the sys.sysobjvalues system base table when compared to the earlier versions of SQL Server.

Note This symptom is similar to KB 4013999. But the cause is different.

Cause

This issue occurs because of the workload that causes heavy usage of the temporary table with the CREATE/DROP syntax.

Resolution

This issue is fixed in the following cumulative update for SQL Server:

Cumulative Update 11 for SQL Server 2014 Service Pack 2

Each new cumulative update for SQL Server contains all the hotfixes and security fixes that were in the previous build. Check out the latest cumulative update for SQL Server:

Latest cumulative update for SQL Server 2014

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
 

References

Learn about the terminologythat Microsoft uses to describe software updates.

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