Spinlock contention is always a real headache to deal with. I recently saw an issue when spinlock contention on SOS_CACHESTORE was making the server virtually unresponsive. The issue was very intermittent with no obvious pattern but the assumption is that it was caused by a particular process in the application. Finding what that process was... Continue Reading →
This month's T-SQL Tuesday invitation comes from Tracy Boggiano and she's asking us to write about our experiences with Query Store. I thought about what I should write, I'm a big fan of query store and I've used it to help me out on a number of occasions recently. I could write about one of... Continue Reading →
This is going to be a quick look at an issue that we recently encountered, I'm not going to go in depth into spinlocks and what they are (perhaps that could be the subject of a future post). We were enjoying a nice peaceful afternoon when we hear panicked shouting that a SQL Server had... Continue Reading →
SQL Undercover 