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

Redis Data Types: In-Depth Analysis of Strings and Internal Implementation

Redis (REmote Dicsionary Service) is an open-source, in-memory data structure store used as a database, cache, and message broker. Unlike traditional databases, Redis stores data primarily in memory, enabling extremely high throughput (often exceeding 100,000 operations per second) and low latency access. While it is commonly recognized for its ...

Posted on Sat, 23 May 2026 22:14:59 +0000 by Toy