Guide to handle high CPU caused by deadlocks

We were working for a customer who was facing below issues on MS SQL Database server: Initial Approach: Issue Identification: Above things helped very little so we started further investigation of deadlocks and execution plans of high CPU queries. We identified below issues: 5. Winner query acquired key lock on entire non clustered index due … Read more

HIGH CPU usage due to RESOURCE MONITOR command

On one of SQL 2016 server HIGH CPU usage alert was received. It was constantly above 95% and SQL server was highest CPU consumer. As checked with sp_who2, Resource Monitor command running under system SPID was biggest CPU consumer and its CPU usage was not coming down.