SAS Viya relies on Kubernetes to provide a robust environment that is elastic, highly available and extensible. One way that Kubernetes achieves these goals is through sophisticated workload management controls. By default, SAS Viya takes advantage of these controls in specific ways to ensure a great software experience. But there’s no one-size-fits-all way to deploy SAS Viya. That's why understanding these controls can be useful to further fine-tune the environment to your site’s specific needs. Configuring Kubernetes for workload placement works well up to a certain point. But there are areas where Kubernetes can't “see” what’s happening. Instead of trying to manage the workload at the infrastructure level, configuration needs to occur higher at the application level. In SAS Viya, we have a multilevel approach with many levers and switches to configure workload placement, including multitenancy, CAS distribution of data across nodes, SAS Workload Management jobs controlled through the use of queues, priority and preemption, and additional SAS Viya platform controls for concurrency and resource utilization.
