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Most of us use Redis like this: SET name Alice GET name It feels simple. You send a command. Redis stores something. You get the value back. But I wan…
When Redis changed its license on March 20, 2024, it triggered one of the fastest open-source forks in recent memory. Eight days later, on March 28, 2…
В первой части я ускорил большой интеграционный pytest-сьют с получаса до полутора минут за счёт инфраструктурных правок. Во второй проверяю следующий…
I was now done with the basic setup. However, during my time working at my startup, I have learnt to think about a project wearing multiple caps. One …
One of the most common questions about Redis is: "Redis is single-threaded, so how can it handle thousands of concurrent connections?". But the more i…
Introduction One of the most common mistakes during incident response is assuming Kubernetes is the problem simply because the application runs on Kub…
The Cache Stampede Avalanche When engineering high-traffic applications at Smart Tech Devs, caching heavy database responses is your first line of def…
When building a system that tracks highly volatile, mutable data across multiple distinct endpoints, data integrity becomes your highest priority. If …
The Silent Vendor Ban Danger When architecting a high-performance B2B SaaS platform at Smart Tech Devs, your system frequently depends on external thi…
Привет! Я Влад Вандер, контент-маркетолог в Velmi. Ребята из команды рассказали мне, как автоматизировали отдел продаж и научили ИИ-бота квалифицирова…
For two years, our Sponsored Placements service booked limited ad inventory through Redis: a counter in Redis, a Redlock around the decrement, and a T…
When you build a web application, not every task should happen inside the user's request. Some work is slow. Some work can fail. Some work should happ…
Modern distributed systems — whether fintech APIs, e-commerce platforms, or AI-powered services — share a fundamental challenge: every replica, micros…
Месяц назад я начал делать pet-приложение для государственных закупок: свайпай тендеры как в Tinder, видишь AI-скоринг заказчика — стоит ли вообще лез…
I learned one of my most important distributed-systems lessons the hard way. We were working on a payment flow connected to an external payment gatewa…
Если вы хоть раз поднимали Laravel-проект в Docker Compose, наверняка сталкивались с ситуацией: контейнер с приложением стартует раньше, чем база данн…
When building Telegram bots with Telegraf, it is easy to expect that a media album arrives as a single message. In reality, Telegram sends every media…
1. Introduction To better understand how databases and network servers work internally, I built a Redis-inspired in-memory database in Go. This projec…
Caching is one of those things that sounds optional until your database starts getting hammered at scale, your response times creep up, and you realis…
1. Intro — The Problem We Actually Had Building real-time systems is often presented as a distributed systems problem. Kafka, stream processors, event…
WebSocket provides low-latency, bidirectional communication between clients and servers. It is a widely used solution for building real-time systems. …
A walkthrough of building a voice AI backend — through three TTS providers, a chunking problem, Redis caching, distributed locks, and a thundering her…
So, this year I made a few resolutions — and sure, no one keeps to resolutions, but I decided to at least keep these two: first was no more tutorials,…
Filling a maintainer's "Help needed": shipping a Next.js 16 Redis cache handler Next.js 16 split caching into two distinct handler interfaces: cacheHa…
For most of the time we have been writing web applications, two different teams answered two different questions. The framework team decided what the …
The Auth Gateway sits in front of every authenticated request in the platform. Its latency isn't just its own latency — it's the floor for every servi…
JWTs have a hard problem hiding inside them: they're stateless. The whole point of a JWT is that the verifier can check a signature and make a decisio…
Всем привет! Хочу рассказать, как мы проектировали кэш поиска отелей и почему за полтора года прошли путь от Infinispan к managed Redis а затем к Post…
We had a feature in production where a single user request could run for five-plus minutes — fetch documents, chunk them, hit an LLM per chunk, synthe…