Complete Guide to Redis

Module 1: Introduction to Redis & Setup

⏳ 1 hour

• Topics: Redis use cases, installation, CLI vs. client libraries

• Hands-on: Install Redis locally, connect via the CLI, and run basic health checks

Module 2: Strings & Hashes

⏳ 1 hour

• Topics: GET/SET, expirations, HGET/HSET, and hash field operations

• Hands-on: Build a simple user-profile store using hashes with TTL for session expiry

Module 3: Lists, Sets & Sorted Sets

⏳ 1.5 hours

• Topics: LPUSH/LRANGE, SADD/SMEMBERS, ZADD/ZRANGE for leaderboards

• Hands-on: Implement a message queue with lists and a real-time leaderboard with sorted sets

Module 4: Advanced Data Structures

⏳ 1 hour

• Topics: Bitmaps for analytics, HyperLogLog for cardinality, geospatial indexes

• Hands-on: Track unique visitor counts with HyperLogLog and perform radius searches with geospatial data

Module 5: Pub/Sub & Streams

⏳ 1 hour

• Topics: Publish/subscribe patterns, consumer groups, message acknowledgment

• Hands-on: Create a chat prototype using Pub/Sub and process event streams with consumer groups

Module 6: Transactions & Lua Scripting

⏳ 1 hour

• Topics: MULTI/EXEC, optimistic locking with WATCH, embedding Lua scripts

• Hands-on: Build an atomic stock reservation system combining transactions and scripting

Module 7: Persistence & Eviction Policies

⏳ 1 hour

• Topics: RDB snapshots, AOF logs, maxmemory policies (volatile-lru, allkeys-random)

• Hands-on: Configure persistence options and benchmark eviction behavior under memory pressure

Module 8: High Availability & Clustering

⏳ 1.5 hours

• Topics: Sentinel for failover, Redis Cluster slots and resharding, client redirection

• Hands-on: Deploy a three-node Sentinel setup and a minimal Redis Cluster, then simulate a failover

Module 9: Performance Tuning & Monitoring

⏳ 1 hour

• Topics: Connection pooling, pipelining, INFO metrics, Redis Slowlog

• Hands-on: Profile common commands, enable pipelining for batch workloads, and monitor with redis-cli

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