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Yumin Fish Harvest
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Yumin Fish Harvest

A deep‑sea salvage fisherman sharing architecture insights, practical tips, and lessons learned.

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Recent Articles

Latest from Yumin Fish Harvest

24 recent articles
Yumin Fish Harvest
Yumin Fish Harvest
Jul 7, 2026 · Databases

Understanding Redis Persistence: RDB, AOF, Hybrid Persistence and Redis 7 Multi‑Part AOF

A power outage once erased all cached sessions, counters and leaderboards in Redis, exposing the inherent risk of in‑memory data loss and prompting a deep dive into Redis persistence mechanisms—RDB snapshots, AOF command logging, their trade‑offs, hybrid persistence, and the new Redis 7 Multi‑Part AOF design—so you can choose the right strategy for your workload.

AOFConfigurationPersistence
0 likes · 37 min read
Understanding Redis Persistence: RDB, AOF, Hybrid Persistence and Redis 7 Multi‑Part AOF
Yumin Fish Harvest
Yumin Fish Harvest
Jul 7, 2026 · Databases

Redis Performance Secrets: How Data Types and Internal Encodings Boost Speed

This article explains why Redis can store one million items with ten‑fold memory savings by examining each of the five core data types, their underlying encodings such as SDS, listpack, quicklist, hashtable and skiplist, and shows how automatic encoding switches affect memory usage, performance, and common pitfalls.

Data StructuresRedise-commerce
0 likes · 42 min read
Redis Performance Secrets: How Data Types and Internal Encodings Boost Speed
Yumin Fish Harvest
Yumin Fish Harvest
Jul 7, 2026 · Databases

Step-by-Step Redis Setup from Scratch: Docker, Docker Compose, Master‑Slave, Sentinel, and Cluster

This tutorial walks a complete beginner through launching a Redis server with Docker, managing it with Docker Compose, adding master‑slave replication, configuring Sentinel for automatic failover, building a 3‑master‑3‑replica Redis Cluster, and provides production‑grade configuration templates and an online‑deployment checklist.

DockerDocker ComposeProduction Configuration
0 likes · 40 min read
Step-by-Step Redis Setup from Scratch: Docker, Docker Compose, Master‑Slave, Sentinel, and Cluster