# 4 – Validate and improve your SAP workload regularly
<a name="design-principle-4"></a>

 **How will you validate your SAP workloads continue to operate efficiently?** Aim to improve your SAP workload regularly and take advantage of new service releases from AWS. Dedicate time and resources to maintain your SAP workload. Aim for continual incremental improvement to evolve the efficiency of your SAP workload. Plan to patch, make small changes and re-evaluate previous design decisions with corrective actions which improve performance, resilience or cost effectiveness. 


| ID | Priority | Best Practice | 
| --- | --- | --- | 
| ☐ BP 4.1 | Required | Understand and plan for lifecycle events of your SAP workload | 
| ☐ BP 4.2 | Required | Regularly perform patch management for software currency | 
| ☐ BP 4.3 | Highly Recommended | Regularly test business continuity plans and fault recovery | 
| ☐ BP 4.4 | Highly Recommended | Perform regular workload reviews to optimize for resiliency, performance, agility, and cost | 

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS Well-Architected. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query wellarchitected` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).