May 2016
Beginner to intermediate
366 pages
8h 47m
English
Content preview from Mastering Redis
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Bitstrings and bit operations
Specialized uses of Redis strings with the corresponding commands allow for the use of memory-efficient data structures in Redis for a comparatively small number of bits, and depending on your use case and data, using sets or hashes would offer better performance. In bitstrings, 8 bits are stored per byte, with the first bit at position 0 being the significant one that is set to either 0 or 1. The maximum size for Redis bitstrings is 512 MB, the same limitation for all Redis keys and values.
One reason that makes a bitstring so efficient and fast is that most of its commands are the O(1) or O(n) operations. With SETBIT ...
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