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CodeSignal

Implementing a Redis-based Backend System

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Overview

In this course, you'll build and maintain a Redis-based backend system. You will manage user data with expiration, implement sorted set leaderboards, handle transactions with pipelines, utilize Redis streams for event logging, and implement pub/sub for notifications.

Syllabus

  • Unit 1: Managing User Data with Expiration
    • Add User Data to Redis
    • Retrieving User Data from Redis
    • Adding Custom Expiration Time to User Data
    • Extending Expiration Time for User Data
  • Unit 2: Using Sorted Sets for Leaderboards
    • Implementing Leaderboard with Redis
    • Retrieving Top N Users from Leaderboard
    • Implementing User Rank and Score Retrieval
  • Unit 3: Handling Commands with Pipelines
    • Using Pipelines for User Data and Leaderboards
  • Unit 4: Utilizing Redis Streams for Event Logging in PHP
    • Checking User Existence Before Adding to Redis
    • Creating a User Activity Stream with Redis in PHP
    • Reading Entries from a Redis Stream in PHP
  • Unit 5: Implementing Pub/Sub for Notifications in PHP Using Redis
    • Publishing Messages to a Redis Channel in PHP
    • Handling Incoming Messages with Redis Pub/Sub in PHP

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