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13. Caching & Redis

What is Caching?​

Junior

Answer: Storing data in a temporary storage area (like RAM) to retrieve it faster on subsequent requests.

Redis vs Memcached​

Middle

Answer:

  • Redis: Supports various data types (strings, lists, sets, etc.), persistence, and pub/sub.
  • Memcached: Simple key-value store, mostly for simple caching. Redis vs Memcached Comparison