Home > Workload Solutions > SQL Server > White Papers > Microsoft SQL Server 2019 Big Data Clusters: A Big Data Solution Using Dell EMC Infrastructure > SQL Server Big Data Cluster components
SQL Server Big Data Clusters consist of the following planes for component aggregation:
Our design distributes the SQL Server Big Data Cluster components across dedicated worker nodes in the Kubernetes cluster, as shown in the following figure. This distribution enables better performance and improved workload segregation:
Figure 19. Distribution of Big Data Cluster components
Apart from component-aggregating planes, the SQL Server Big Data Cluster also has multiple pools:
The following separate pools also are part of SQL Server Big Data Cluster deployments; however, they are not in Figure 19 because we are not using them exclusively in our validation scenarios: