FIX: Performance is slow when you open and read event files (.xel) by using XEvent Linq reader in SQL Server 2012 or SQL Server 2014

Applies to: SQL Server 2012 DeveloperSQL Server 2012 EnterpriseSQL Server 2012 Standard

Symptoms


Performance is slow when you open and read event files (.xel) by using XEvent Linq reader in Microsoft SQL Server 2012 or SQL Server 2014.

Resolution


Service pack information

This problem requires a client fix, not a SQL Server engine fix.

Note This change doesn't affect sys.fn_xe_file_target_read_file.

To resolve this problem, get Service Pack 3 (SP3) for SQL Server 2012.

For more information about SQL Server 2012 SP3, see bugs that are fixed in SQL Server 2012 Service Pack 3 .


Cumulative Update information

The issue was first fixed in the following cumulative update of SQL Server.

Status


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