I got lots of responses to this blog and people wanted me to create a video for this topic. Here, I have a video for CPU Running 100%.
CPU Scheduler Waiting on Disk: Read Pending Disk IO
A CPU scheduler waiting on disk shows pending disk IO on its scheduler. This post reads sys.dm_os_schedulers once and in a short sampling loop, then confirms the result with file latency.
SQL SERVER – Troubleshooting High CPU
We are going to discuss Troubleshooting High CPU in SQL Server. This is why many hire me for Comprehensive Database Performance Health Check.
System Threads Outside Max Worker Threads in SQL Server
System threads outside max worker threads run background work that the setting does not limit, as the documentation says. This post counts the background tasks with two read-only queries and explains what that means for sizing the setting.
Parallelism in Express Edition: What the Limits Mean
Parallelism in Express Edition has its own reason code in the execution plan. This post reads that reason, shows the settings that keep a plan serial on any edition, and tests the check on a demo table.
Best Value for Maximum Worker Threads – SQL in Sixty Seconds #170
A very common question I often receive during Comprehensive Database Performance Health Check is what is the best value for Maximum Worker Threads.
3 Ways to Configure MAXDOP – SQL in Sixty Seconds #166
We will see a quick SQL in Sixty Seconds video and scripts used in the video to change MAXDOP. Let us watch 3 Ways to Configure MAXDOP.