Question: How to List Dirty Pages From Memory in SQL Server? Answer: I received question today during my SQL Server Performance Tuning Practical Workshop.
MAXDOP Guidelines: Audit CPU and Memory Settings in SQL Server
MAXDOP guidelines start from the number of CPUs and NUMA nodes on the server. This post builds three read-only queries that show those facts, the current MAXDOP and cost threshold, and the memory settings. It also shows how to read the answer without changing anything.
Instance Health in One Query: Uptime, Memory, CPU and Waits
Check instance health in one result set with uptime, memory, a recent CPU sample, leading waits, and the user-session count.
How to Know When Memory Constraints are Negatively Impacting CPU in SQL Server? – Interview Question of the Week #216
How do you know when memory constraints are hurting CPU in SQL Server? Someone asked me this loaded question before a Health Check, and here is my answer.
What is Clean Buffer in DBCC DROPCLEANBUFFERS? – Interview Question of the Week #215
What is a clean buffer in DBCC DROPCLEANBUFFERS? No one had asked me this in 20 years, so here is the answer in the simplest words I could find.
Running Several SQL Server Instances on One Machine
Budget several SQL Server instances on one Windows host, inventory services, assign memory and ports, and monitor shared resource pressure.
What is Read Ahead Read in SQL Server? – Interview Question of the Week #197
Question: What is Read Ahead Read in SQL Server?
Answer: This is SQL Server’s feature which brings data pages into the buffer cache.