Erin Stellato and Jonathan Kehayias from sqlskills reached out asking for clarification of trace flags 2562 and 2549 behavior.  Trace flags 2562 and 2549 are documented in knowledgebase article: https://support.microsoft.com/en-us/kb/2634571 and the blog post https://blogs.msdn.microsoft.com/bobsql/2016/06/03/sql-2016-it-just-runs-faster-dbcc-scales-7x-better/ highlights the SQL 2016 DBCC performance improvements. For SQL Server 2008, 2012 and 2014 the trace flag behavior remains […]