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CodeSignal

Implementing a Redis-based Backend with Node.js and ioredis

via CodeSignal

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Overview

In this comprehensive course, you'll put together the skills learned to build and maintain a Redis-based backend system. You will get hands-on with managing user data with expiration, implementing sorted set leaderboards, handling transactions with pipelines, utilizing Redis streams for event logging, and implementing pub/sub for notifications.

Syllabus

  • Unit 1: Storing and Retrieving User Data
    • Adding User Data to Redis
    • Implement Redis User Data Retrieval Function
    • Implementing TTL Parameter for Redis User Data Storage
    • Implementing a Function to Extend Redis User Data TTL
  • Unit 2: Building a Leaderboard with Sorted Sets
    • Implementing Redis Leaderboard Functionality
    • Retrieving Top Users from a Redis Leaderboard
    • Retrieve User Rank and Score from Redis Leaderboard
  • Unit 3: Efficiently Updating Multiple Users With Pipelines
    • Implementing Redis Pipelines for User Data and Scores
    • Implementing Optional Redis Pipeline Parameters
  • Unit 4: Tracking User Actions with Streams
    • Implement User Existence Check in Redis Database
    • Implementing User Activity Streams with Redis in JavaScript
    • Implementing Redis Stream Reading Functionality
  • Unit 5: Real-Time Notifications with Publish/Subscribe
    • Implementing Redis Pub/Sub Message Publishing
    • Implementing Redis Pub/Sub Message Handling
    • Implementing a Redis-Based Tic-Tac-Toe Game Handler

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