Redis Internal Data Structure Implementation
How Does a Key-Value Database Work?
Redis employs a hash table to store all key-value pairs. The primary advantage of a hash table is O(1) time complexity for quickly locating entries. Redis's hash buckets hold pointers (dictEntry *) to key-value data. The key-value data structure does not store values directly but uses void *key and void *valu ...
Posted on Sat, 06 Jun 2026 18:30:24 +0000 by cbolson