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HomeDatabaseRedisWhat does redis do?
What does redis do?Apr 07, 2024 am 10:54 AM

Redis is an open source, in-memory data structure storage that mainly provides functions such as caching, message queue, and session management. Its core advantages are speed, flexibility, scalability, durability and high availability, and it is widely used in e-commerce, social media, games and other fields.

What does redis do?

Redis: Multifunctional data structure storage

Redis (Remote Dictionary Server) is an open source, in-memory Data structure storage designed to quickly process large-scale data. It is a key-value database, where each key is associated with one or more values.

Redis supports a variety of data structures, including:

  • String
  • List
  • Collection
  • Hash table
  • Ordered collection

Function

Redis mainly provides the following functions:

  • Cache: Redis can reduce queries to the database by storing data in memory.
  • Message Queue: Redis can be used to deliver messages between applications.
  • Session Management: Redis can be used to store user session data.
  • Rate Limit: Redis can be used to limit the frequency of user access to specific resources.
  • Leaderboard: Redis can be used to track scores or rankings.

Advantages

The main advantages of using Redis include:

  • Speed: Redis converts data into Stored in memory to achieve ultra-high-speed read and write operations.
  • Flexibility: Redis supports a variety of data structures and can be used for a variety of use cases.
  • Scalability: Redis can scale horizontally to handle high loads.
  • Persistence: Redis can achieve data persistence by dumping data to disk.
  • High availability: Redis can achieve high availability by configuring master-slave replication and sentinel mode.

Uses

Redis is widely used in a variety of industries and applications, including:

  • E-commerce
  • Social Media
  • Game
  • Finance
  • IoT

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