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Redis Performance

Why is Redis so Fast?

Explore the key factors behind Redis's exceptional speed.

There are 3 main reasons as shown in the diagram above.

  • Redis is a RAM-based database. RAM access is at least 1000 times faster than random disk access.

  • Redis leverages IO multiplexing and single-threaded execution loop for execution efficiency.

  • Redis leverages several efficient lower-level data structures.