This document is a checklist outlining best practices for optimizing performance on Power11 systems. It includes instructions for ensuring that firmware and operating systems are current, utilizing tools like Fix Central and FLRT for updates. The document details memory configuration guidelines, including proper plug-in rules and recommendations for sizing systems based on SMT8 rPerf values. It emphasizes the importance of right-sizing Shared LPARs to meet specific SLA requirements and discusses the use of Resource Groups to isolate workloads. Additionally, it provides guidance on compiler versions and Java runtime environments compatible with Power11. The document also covers tuning recommendations for AIX and VIOS configurations, including CPU usage optimization and network adapter settings for improved bandwidth. References to additional resources and tools for performance management are included, ensuring users have access to comprehensive support for maintaining optimal system performance.