DBA- MAXDOP
Have your SQL queries been eating up CPU like it's a buffet? Then it’s time to talk about the most underrated setting in SQL Server: MAXDOP . Let’s break it down in simple, real-world terms — with best practices, optimized queries, and use cases that matter. What is MAXDOP? MAXDOP stands for Maximum Degree of Parallelism — it controls how many CPU cores SQL Server uses to run a single query in parallel. Sounds powerful? It is — but misconfigured, it can hurt more than help. Too low? Queries run slower, underutilizing hardware. Too high? CPU gets overwhelmed, blocking other tasks. 🔧 Where to Configure MAXDOP : Instance Level (Recommended for Most) EXEC sp_configure 'show advanced options', 1; RECONFIGURE; EXEC sp_configure 'max degree of parallelism', 4; RECONFIGURE; Database Level (Overrides Instance Setting) ALTER DATABASE SCOPED CONFIGURATION SET MAXDOP = 2; Query Level (...
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