Posts

Where is that Preemptive Wait coming from?

In this article I will bring together several techniques for troubleshooting a performance- and security-related “phenomenon” I recently noticed when doing some tests with Natively Compiled Stored Procedures.

How to import Extended Events session event_file target and parse deadlock-graph

This time it’s about one of the things that Extended Events do better and more easily than all techniques before: Saving of deadlock-events that occurred and analyzing the respective deadlock-graph.

Free SQL Deadlock Collector & Parser published at codeplex

Today I redeemed a promise made long ago: To provide the deadlock-collector framework, which I developed for use at my customers’, as a Codeplex project. Until now I have only given it out to attendees of my SQL Server Master-Classes and a few fellow Microsoft Certified Masters. From today on it is freely available to […]

New Extended Events for Tracing in SQL Server 2014

This article contains a list of new Extended Events, the tracing framework in SQL Server in the new 2014 release.

Comparing Extended Events vs SQL Trace – or why SQL Trace & Profiler are just a thing of the past :-)

As a reminder: Extended Events have been integrated in SQL Server since SQL Server 2008. And since SQL Server 2012 SP1, all events existing in SQL Trace have been available. In addition, Extended Events have also been available for Analysis Services since SQL Server 2012 Tracing Analysis Services (SSAS) with Extended Events – Yes it […]

Performance overhead of tracing with Extended Event targets vs SQL Trace under CPU Load

Inspired by the Blog Post “Measuring Observer Overhead of SQL Trace vs. Extended Events” by Jonathan Kehayias, I was curious to do some more benchmarking. I have already presented the results in my SQL Server Master-Class workshops on XEvents as well as at the PreCon of the SQLSaturday #230. Now I am finally sharing them […]