"Partition"
- PostgreSQL Partition Redesign：當 monthly partition 越跑越慢 PostgreSQL partition redesign 是 Type F「topology re-layout」第 2 個 dogfood — 從 monthly partition 改 daily / 從 range 改 list / 從單軸改 sub-partition；6 維 audit 皆 Low + topology 軸 High；涵蓋 partition 不平衡偵測、ATTACH/DETACH 線上重劃、5 個 production 踩雷、跟 partition_pruning + autovacuum 整合