All posts by Roman Gershman

DragonflyDB 2022 In Review

December 30, 2022

2022 saw the emergence of a new technology and database project Dragonfly as well as the founding of a new company (DragonflyDB) to shepard and evolve it.

Balanced vs Unbalanced

October 30, 2022

Balance is essential in life. When our focus is limited to improving a single aspect of our life, we weaken the whole system.

Infrastructure should be boring

October 21, 2022

Infrastructure should be boring. Boring is good. Boring means that it just works, and you don’t have to worry about it. A year ago, we went on a quest to build a boring in-memory store.

10k Stars

August 12, 2022

Dragonfly crossed the 10K GitHub stars milestone in just 75 days. What an incredible start for our journey!

Dragonfly Cache Design

June 23, 2022

I talked in my previous post about Redis eviction policies. In this post, I would like to describe the design behind Dragonfly cache.

Redis Analysis - Part 2: Simplicity

January 30, 2022

Let’s talk about the simplicity of Redis. Redis was initially designed as a simple store, and it seems that its APIs achieved this goal.

Redis Analysis - Part 1: Threading model

December 09, 2021

Following my previous post, we are going start with the “hottest potato” - single-threaded vs multi-threaded argument.

A prelude to analysis of Redis memory-store

November 28, 2021

During the last 13 years, Redis has become a truly ubiquitous memory store that has won the hearts of numerous dev-ops and software engineers.