WebDec 24, 2024 · use query hint OPTION (MAXDOP 1) This will run your long running query in a single thread and you won't get the CX type waits. In my experience this can make a massive 10-20X decrease in execution time and will free up CPU for other tasks as there will be no context switching and thread coordination activity. Share Improve this answer Follow WebSpeaker: Brent Ozar Learn Brent’s tips to fix deadlocks. He’ll discuss tables in long transactions and why you need to work through them in a consistent order and touch them as few times as possible; then, he'll rewrite a stored procedure that's having deadlocking problems. On Demand Nov. 9 Demystifying CXPACKET and CXCONSUMER

MAXDOP Isn’t Really MAXDOP. It’s More Like DOP

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Common SQL Server Consulting Advice: Setting MAXDOP And …

WebHere's a great video from Brent Ozar that will help you: Mastering the Art of CXPACKET and MAXDOP Your goal is for <= 50% percent wait time for CXPACKET. Good Luck!! WebApr 9, 2024 · You can use the MAXDOP index option to control the number of processors dedicated to the online index operation. In this way, you can balance the resources that are used by index operation with those of the concurrent users. For more information, see Configure Parallel Index Operations. WebFeb 18, 2024 · Max degree of parallelism (MAXDOP) is a setting in SQL Server that controls how many processors may be used for parallel plan execution. Parallel plan execution is good—it lets SQL Server make the best use of all those processors in modern servers. However, MAXDOP can be configured incorrectly. dillard\u0027s dressy dresses for women