2.1 Spotting Wild Variations in the Plan Cache

In order to detect, troubleshoot, and prevent parameter sniffing issues, we’re going to need: Metrics about how queries are performing Different versions of the query plans that caused those metrics To collect them, we’re going to go from the lowest-overhead, least-data solutions first, and then gradually progress to the collection methods that have the highest…

In order to detect, troubleshoot, and prevent parameter sniffing issues, we’re going to need: Metrics about how queries are performing Different versions of the query plans that caused those metrics To collect them, we’re going to go from the lowest-overhead, least-data solutions first, and then gradually progress to the collection methods that have the highest...