MongoDB vs Redis : Which is Better?

MongoDB icon

MongoDB

MongoDB is a free and open-source cross-platform document-oriented database program. Developed by MongoDB, Inc.

License: Open Source

Categories: Development

Apps available for Mac OS X Windows Linux Online BSD

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Redis icon

Redis

Redis is an in-memory database open-source software. Developed by Salvatore Sanfilippo

License: Open Source

Categories: Development

Apps available for Mac OS X Windows Linux BSD Self-Hosted

MongoDB VS Redis

Redis is an in-memory data structure store known for its high performance and low latency, making it ideal for caching and real-time analytics. In contrast, MongoDB is a document-oriented database that excels in handling large volumes of unstructured data with flexible schemas, making it suitable for applications requiring complex queries and data relationships.

MongoDB

Pros:

  • Flexible schema design
  • Rich query language and indexing features
  • Horizontal scaling capabilities
  • Supports ACID transactions
  • Good for large-scale data storage

Cons:

  • Slower performance compared to in-memory databases
  • Higher memory usage due to document storage
  • Complexity in managing consistency and sharding

Redis

Pros:

  • High performance with low latency
  • Supports data structures like strings, hashes, lists, sets, and sorted sets
  • In-memory data storage for fast access
  • Built-in replication and persistence options
  • Atomic operations and transactions support

Cons:

  • Limited querying capabilities compared to document databases
  • Data size limited by RAM (unless using disk persistence)
  • More complex data management due to in-memory nature

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