Tier 2 Data Structure

Leaderboard with Redis Sorted Sets (ZSET)

Dual-structure ZSET engine: O(1) Hash Map (Dict) member lookup + O(log N) Multi-Level Skip List rank ordering

Game ClientActive

Alice (Client)

Score: 500 → 800

IN:2OUT:2

Game ClientActive

Bob (Client)

Score: 750

IN:2OUT:2

Game ClientActive

Charlie (Client)

Tie Score: 750

IN:2OUT:2

App ServerRouting

API

Leaderboard API

RESP Command Router
ZADD / ZREVRANK

in: HTTP (IN:2)out: RESP (OUT:2)

Redis Primary — ZSET (key: lb) ZSET Ready

Hash Map (Dict) O(1)

Member → Score Pointer

Member	Score

Skip List (zskiplist) O(log N)

L3 Span L2 Express L1 Seq

in: ZADD/ZREVRANK (IN:2)out: Rank/Range (OUT:2)

100%

Step 01 of 10 Step 1 of 10

1. Architecture Overview

Why It Matters

COMPONENT INSPECTOR Active

Redis Primary (ZSET Engine)

Dual Dict + Multi-Level Skip List Store

Input Port

ZADD / ZREVRANK

Output Port

O(log N) Rank / Range

Runtime Config (Reactive)