Test different values of MAXDOP: Test different values of MAXDOP to determine the optimal value for your server and workload.īe careful with large tables: When querying large tables, it’s best to limit MAXDOP to 1 because large tables can cause a lot of contention on the parallel threads If you are experiencing performance issues, you may need to reduce the value of MAXDOP.
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Monitor performance and adjust MAXDOP accordingly: Monitor the performance of your SQL Server and adjust MAXDOP as needed. For example, if you have a quad-core processor, you should set MAXDOP to 4. However, it is best to set MAXDOP based on the number of processors on the server. Set MAXDOP based on the number of processors: The default value for MAXDOP is 0, which means that SQL Server can use all available processors. Here are some best practices for using MAXDOP in SQL Server: MAXDOP (Maximum Degree of Parallelism) is a configuration option in SQL Server that controls the number of processors that can be used in parallel execution of a query.
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