Jan 4 · 6 min read · Distributed systems force engineers to confront an uncomfortable fact: time is unreliable. On a single machine, time.Now() feels good enough. Across regions, networks, and failure modes, it quickly becomes a source of subtle, expensive bugs. This po...
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Jul 2, 2025 · 8 min read · Handling payments at a global scale is one of the most demanding challenges in software architecture. Users expect instant, reliable transactions, whether they're in New York, London, or Tokyo. For developers, this translates into a daunting set of r...
Join discussionJun 20, 2025 · 5 min read · This is Part 4 of the "Distributed DBs: A Clear Guide" series. In this article, we take a comprehensive look at how distributed databases process queries. We’ll walk through every stage of the process, explain real-world examples, and include a detai...
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Jun 17, 2025 · 4 min read · This is Part 3 of the "Distributed DBs: A Clear Guide" series. In this article, we break down how distributed systems manage transactions across multiple nodes while ensuring accuracy, atomicity, and consistency — even when things go wrong. 1. What...
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Jun 14, 2025 · 4 min read · This is Part 2 of the "Distributed DBs: A Clear Guide" series. In this article, we’ll explore the core techniques that make distributed databases flexible, scalable, and efficient: Fragmentation, Allocation, and Replication. 1. Why These Concepts M...
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Jun 11, 2025 · 4 min read · This is the first article in a four-part series designed to make Distributed Database Systems easy to understand for everyone, even if you're new to the world of databases. In this part, we’ll cover what distributed databases are, why they matter, an...
Join discussionMay 25, 2025 · 9 min read · A case for vertical scaling If you have read any article or a book on system design then you probably know what vertical and horizontal scaling is and benefits of horizontal scaling. Before I explain how to setup proper horizontal scaling with Postgr...
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Apr 3, 2025 · 1 min read · pool - открывает файл sym1 как файл базы данных в режиме чтения/записи. Если файл не существует, он создается. Текущая открытая база данных закрывается. lst — это список масштабных коэффициентов размера блока (т. е. чисел), по умолчанию (2) (для одно...
Join discussionNov 22, 2024 · 3 min read · Why Atomic Counters Matter in Distributed Systems In distributed systems, ensuring accuracy and consistency in concurrent operations is a core challenge. Atomic counters—a mechanism for maintaining precise, incrementing counts—are a common requireme...
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Jun 28, 2024 · 7 min read · Consensus algorithms are crucial in distributed systems to ensure all the nodes agree on a common state, even when there are failures. One popular consensus algorithm is Raft. It is designed to be understandable and easy to implement. In this post, w...
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