Tim Radney of SQLskills gives an overview of his approach to SQL Server performance tuning, from system configuration, to I/O latency, to high cost queries.
Aaron Bertrand (@AaronBertrand) shows some interesting maintenance opportunities for Service Broker queues available in the next version of SQL Server.
Paul Randal (@PaulRandal) adds another chapter to his thorough series on knee-jerk wait statistics, focusing on the often-misunderstood PAGELATCH_XX waits.
Erin Stellato (@erinstellato) continues her popular series on proactively monitoring SQL Server, this time focusing on keeping your eye on wait statistics.
Glenn Berry (@GlennAlanBerry) provides some blueprints for how to decide whether newer processors are worth the investment to improve your OLTP workloads.
Paul White (@SQL_Kiwi) discusses some things to know about INSTEAD OF triggers – from execution plans and worktables to a cardinality estimation bug in SQL 2014.