How many cores are typically recommended per node with 16 GB RAM for Tableau Server?

The recommended configuration of 16 cores per node with 16 GB RAM for Tableau Server is derived from optimizing performance and ensuring adequate resources for handling concurrent users and processes.

Tableau Server operates effectively with multiple cores, as it is designed to leverage parallel processing for a variety of tasks including data querying, report rendering, and background tasks. With 16 cores, the server can better manage simultaneous requests, leading to improved performance, faster response times, and more efficient processing of large datasets or complex visualizations.

When planning for Tableau Server's scalability and performance, it is critical to match CPU resources to anticipated workload demands. Each core contributes to the overall capacity to handle user interactions and background processes, allowing the server to maintain responsive and smooth operations under varying loads.

In contrast, lower core counts might lead to bottlenecks when the server is under heavy use, potentially resulting in slower display of dashboards or delayed data refreshes. Hence, the recommendation of 16 cores aligns with best practices in resource allocation for optimal Tableau Server performance.