TL;DR: In this week’s Indexer Office Hours, special guest John Graber, Principal DBA at Edge & Node, returns to answer more indexer questions about PostgreSQL. The session covers index design for optimal performance, optimizing PostgreSQL on NVMe, sharding frameworks, key monitoring metrics, and more. Opening remarks Hello everyone, and welcome to episode 173 of Indexer Office Hours! GRTiQ 184 Catch…