POWER7PerformanceBestPractices.PDF

POWER7 Performance Best Practices A brief checklist This document is intended as a short summary for POWER7 support and customers on key items that should be looked at when planning a migration to the POWER7 platform. For a more in-depth and complete set of recommendations, please refer to the documents links on the second page. Description Instructions Description Instructions Ensure Fix Central provides latest updates, which address optimal placement for Databases on  AIX 6.1 TL7 and above only: Enable TB segment aliasing firmware is partitions. The recommended F/W levels per FLRT as of this writing : AIX NOTE1: AIX 7.1 is enabled by default current 780 F/W for 795, 780+ (MHD) / 770+ (MMD) models NOTE2: Must have installed IV23851(6.1 TL7) / IV23859(7.1 TL1) or 770 F/W for 780 (MHC) / 770 (MMC) models related APAR 730 F/W for 780 (MHB) / 770 (MMB) models  Some database workloads can benefit from disabling hardware prefetching. Recommend the customer evaluates their workload under both settings to NOTE: Ensure required HMC level is installed when updating F/W. Consult the evalu