If you go to open a new tab in SSMS and you hear a creaking sound, it might be time to revisit some of your hardware choices.
But that’s a problem for future you. Your problem is right now.
– How to check it: sp_PressureDetector
– What to look for: Stuck queries, Resource Usage, Wait Stats
By default, it’ll look at both CPU and Memory counters. If you don’t know what’s going on, just hit F5.
Read on to see what it looks like for a server hitting memory limits and for a server hitting CPU limits.