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Martin VisserRate limiting is one of those topics that looks simple until you’re actually doing it in production. Implement a counter with the INCR command and a TTL and away you go. But when you ask questions like “what happens at the boundary?”, “should I use a Valkey/Redis cluster?”, or “why are we getting twice the […]
This blog post covers the details about sorted set use cases as discussed in this video. Sorted sets are one of the most powerful data structures in Valkey and Redis. While most developers immediately think about “gaming leaderboards” when they hear about sorted sets, this versatile data type can solve many problems, from task […]
This post covers the topic of the video in more detail and includes some code samples. The $9,000 Problem You launch a chatbot powered by one of the popular LLMs like Gemini, Claude or GPT-4. It’s amazing and your users love it. Then you check your API bill at the end of the month: $15,000. […]
One of our founders, Peter Zaitsev took a look at Redis (Remote DIctionary Server) when it first emerged in 2009 https://www.percona.com/blog/looking-at-redis/ which reminded me how far this project has come in sixteen years, evolving from a simple key-value store into a multi-model platform including vector search. This article covers this evolution in four distinct eras. […]
Summary This article is a detailed analysis of the impact of the Redis license change to a non-open-source one on its community. To summarize the findings: 37.5% of contributors (9 of 24) stopped contributing to Redis after the fork Valkey grew from 18 to 49 contributors in 18 months Valkey averages 80 PRs/month in 2025 […]
From a technology perspective, Redis does a great job as a database and data cache. According to 6Sense, Redis is currently the number one product as an in-memory data cache. It just works. However, that position is also a potential challenge. Redis does its job so well that, well, why should you change it? One […]