Redis Overhauls Sorted Sets to Drastically Save Memory

Redis creator antirez shared details on a major overhaul of sorted sets, replacing the old hash and skiplist combo with two specialized trees. The new implementation achieves massive memory savings and speed improvements across most scenarios.

2026-07-31 ~ 2026-07-31 · 3 related posts

• Redis Overhaul: New Sorted Sets Implementation Brings Huge Memory Wins — antirez · 2026-07-31
• Redis Ditches Hash+Skiplist for Dual Specialized Trees in New Overhaul — antirez · 2026-07-31
• Redis New Version Wins Big on Memory and Speed; Devs Meme About Status — victormustar · 2026-07-31