Following an incident at a customer’s production environment, Nathan Lifshes and I realized that we stumbled upon a yet-unknown bug in SQL Server, causing an access violation error, memory dumps, dropped connections, and even cluster fail-overs.
Read More »Access Violation error when querying from a system table function with parallelism
This month’s #tsql2sday came to us from Rob Volk (b|t), who asks us to explain databases using an analogy, as if explaining to a 5 year old. I’m actually a big fan of The Feynman Technique (aka ELI5), so I really wanted to participate. But to be honest, I nearly missed out this time simply because I couldn’t think of an idea this whole week.
On the very last day, when the posts already started rolling out by all the bloggers, I’ve read a few, and only then the muse finally hit me. I kid you not, the time is literally 23:59 here in Israel as I hit the publish button!
So anyways, the idea I had was for the ALTER TABLE..SWITCH TO command in SQL Server.
Read More »T-SQL Tuesday #131 – Star Trek Candy and SWITCH TO
In this blog post I’ll help you troubleshoot the rare but critical issues of Deadlocked Schedulers and high THREADPOOL waits – using practical means.
Also, very useful T-SQL script towards the end.
Read More »How to Troubleshoot THREADPOOL Waits and Deadlocked Schedulers