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Redis · Concept

Bitmap

Redis bitmaps use string values as compact sequences of bits. Set or read individual positions, count enabled bits, and combine bitmap keys with BITOP.

Last updated

Since
8.2

Syntax

SETBIT key offset value
GETBIT key offset
BITCOUNT key [start end [BYTE | BIT]]
BITOP operation destkey key [key ...]

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  • SETBIT
  • GETBIT
  • BITCOUNT
  • BITOP
  • AND
  • OR
  • XOR
  • NOT

Source: Redis bitmaps. Checked 2026-11-03.