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I Built a Redis Clone from Scratch in Node.js — RESP, Persistence, Replication, Pub/Sub and Transactions

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…

redisbackenddistributedsystemsnode
Dev.to Jun 17, 2026, 08:40 UTC
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I Built a Mini Message Broker in Pure Python and Finally Understood How Kafka Moves Millions of Events

Last year I was on a team that pushed 40 million events per day through Kafka. We had consumer lag alerts, rebalancing incidents, and a whole runbook …

kafkapythondataengineeringdistributedsystems
Dev.to Jun 16, 2026, 06:35 UTC
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I Built a Consistent Hashing Ring in Pure Python and Finally Understood How Cassandra Distributes Data

I Built a Consistent Hashing Ring in Pure Python and Finally Understood How Cassandra Distributes Data I've been using Cassandra and Redis Cluster for…

pythondataengineeringdistributedsystemsbackend
Dev.to Jun 14, 2026, 06:35 UTC
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Shipping 12,000+ Lines Across 6 Systems in 19 Days: A Masterclass in Backend Architecture.

What looked like a chaotic sprint was actually a strict exercise in architectural discipline. The last time I published on Dev.to was in late May. At …

djangodevopssystemdesigndistributedsystems
Dev.to Jun 13, 2026, 08:09 UTC
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I expected the cheaper model to be cheaper. It cost 8.6 more.

I'd routed the same one-word prompt to Claude Haiku and to Gemini 2.5 Flash. Flash has the lower per-token price, so this should have been an easy win…

aisoftwaredistributedsystemsllm
Dev.to Jun 13, 2026, 07:44 UTC
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What Designing a Binary Protocol Actually Taught Me

Most developers never have to design a network protocol from scratch. You use HTTP, gRPC, WebSockets, or something else that already exists and has be…

rustdistributedsystemsarchitecturedatabase
Dev.to Jun 11, 2026, 06:10 UTC
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I built a distributed compute grid where your idle laptop runs ML jobs — the orchestrator behind it

I built a distributed compute grid where your idle laptop runs ML jobs — the orchestrator behind it The pitch: a single FastAPI hub takes compute jobs…

distributedsystemsmachinelearningpythonshowdev
Dev.to Jun 11, 2026, 00:40 UTC
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Why Squirix uses a strict client/server architecture for a .NET distributed cache

Squirix 0.1.0 is an early preview of a .NET distributed cache. A typed client SDK talks to a remote server over gRPC; the server owns state, routing, …

dotnetcsharpdistributedsystemsopensource
Dev.to Jun 7, 2026, 07:12 UTC
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Hidden Coupling in Distributed Financial Systems: Dependencies You Didn't Know You Had

Abstract Distributed financial systems are described through explicit interfaces. Services call APIs, consume events, write to databases, submit trans…

distributedsystemsfintechsresystemdesign
Dev.to Jun 4, 2026, 17:35 UTC
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How Consistent Hashing Works

How Consistent Hashing Works in Distributed Systems: A Comprehensive Guide Imagine you're trying to organize a massive library with an infinite number…

distributedsystemssoftwareengineeringhashingtechnology
Dev.to Jun 3, 2026, 10:39 UTC
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How I Built a Real-Time Fraud Detection System That Handles 71,000 RPS at p95 <6ms

How I Built a Real-Time Fraud Detection System That Handles 71,000 RPS at p95 &lt;6ms A deep dive into building Sentinel — an ML inference pipeline th…

godistributedsystemsmachinelearningprogramming
Dev.to Jun 3, 2026, 02:17 UTC
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The 32-bit Hidden Countdown in ClickHouse Keeper: How an XID Overflow Gave Us Weekly Read-Only Bursts

A production debugging story: tracing recurring 2–5-second read-only storms on a ClickHouse cluster down to a single 32-bit integer — and the one-line…

databasedistributedsystemssresystems
Dev.to Jun 2, 2026, 09:22 UTC
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From a Simple Auth Service to a Distributed Authentication Platform with Kafka, Debezium, and Observability

This is a submission for the GitHub Finish-Up-A-Thon Challenge What I Built I built a Distributed Authentication System as a long-term learning projec…

devchallengegithubchallengedistributedsystemsbackend
Dev.to Jun 2, 2026, 03:15 UTC
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The Illusion of Scale, Part 4: Latency Is a Design Decision, Not a Measurement

I need to tell you about the time I confidently presented a latency budget to a stakeholder and then watched it disintegrate in production like wet ti…

distributedsystemsperformancearchitecturebackend
Dev.to May 31, 2026, 19:42 UTC
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Inside Uber's Architecture: Engineering Decisions That Power Millions of Rides Every Day

Why Study Real-World Architectures? Most system design discussions focus on theoretical architectures that work well on whiteboards. Real-world system…

systemdesignarchitecturedistributedsystems
Dev.to May 29, 2026, 20:25 UTC
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I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned

I Built a Complete AI Infrastructure Stack from Scratch — Here's What I Learned Most AI projects start at the top of the stack. You grab an LLM API, w…

distributedsystemsmlopscppgo
Dev.to May 29, 2026, 18:26 UTC
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Retrying HTTP Requests in Go Without Making It Worse

When you call an external API, things go fine until they don't. A network blip, a server restart, a rate limit. So you add a retry, and most of the ti…

gohttpdistributedsystemswebdev
Dev.to May 26, 2026, 21:15 UTC
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Minimal Code Doesn’t Mean Stable Code

The argument sounds reasonable: fewer lines of code mean fewer bugs. Simpler to review, easier to reason about, less surface area for defects. Sounds …

programmingproductivitybackenddistributedsystems
Dev.to May 26, 2026, 04:15 UTC
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Building TaskForge: Translating Enterprise Chaos into an Open-Source Scheduler

If you build enterprise software, you know the pain: you spend months solving complex architectural challenges, navigating network partitions, and bui…

distributedsystemsprogrammingarchitectureai
Dev.to May 25, 2026, 16:17 UTC
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Welcome to the Distributed Systems World — The Challenges Nobody Warned You About

title: "Welcome to the Distributed Systems World — The Challenges Nobody Warned You About" published: false description: A friendly tour of the six bi…

architecturebeginnersdistributedsystemsdotnet
Dev.to May 19, 2026, 10:33 UTC
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What Broke When We Hit 100k WebSocket Connections (And How Realtime Orchestration Saved Us)

Introduction We built a product that streams AI model outputs to browsers and backend agents in realtime. At first, a few hundred WebSocket connection…

devopsrealtimedistributedsystemsai
Dev.to May 19, 2026, 06:35 UTC
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The Hardest Part of Building an AI-Powered WebRTC Platform Wasn’t WebRTC

I spent the last few months building SkyMeetAI — a video conferencing platform that watches participants' faces and listens to their voices in real ti…

webdevwebrtcmachinelearningdistributedsystems
Dev.to May 13, 2026, 09:19 UTC
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🏆 30 Best Distributed Systems Talks of All Time

Happy Tuesday 👋 and a warm welcome to another special edition of Tech Talks Weekly! I've been recently reading the second edition of Martin Kleppmann'…

distributedsystemsprogrammingsoftwareengineeringsoftwaredevelopment
Dev.to May 12, 2026, 19:28 UTC
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The Illusion of Scale, Part 1: When Your "Scalable" System Isn't

Some systems look scalable right up until they meet real production traffic. The tests pass. Dashboards are green. The architecture diagram looks clea…

aisoftwareengineeringdistributedsystemsarchitecture
Dev.to May 11, 2026, 00:48 UTC
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Your "Cache Invalidation is Hard" Answer Misses the Real Horror

Your "Cache Invalidation is Hard" Answer Misses the Real Horror Most engineers parrot "cache invalidation is hard" as a standard interview response, b…

systemdesigncachingdistributedsystemsbackendengineering
Dev.to May 10, 2026, 08:42 UTC
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Blockchain Beyond Crypto: Enterprise Use Cases and Architectural Realities

Blockchain technology is often associated with cryptocurrencies, but its underlying principles, decentralized consensus, immutability, and distributed…

blockchainenterprisetechnologydistributedsystemssmartcontract
Dev.to May 6, 2026, 04:27 UTC
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Building Fault-Tolerant Financial Systems Using Resilience Patterns

Financial systems must operate with a high degree of reliability. Even short periods of downtime or failure can result in significant financial loss, …

architecturedistributedsystemsmicroservicessystemdesign
Dev.to May 5, 2026, 14:31 UTC
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Sui Network's Technical Architecture: Analyzing TVL Growth, Stablecoin Throughput, and Horizontal Scalability

As of February 2026, the Sui network has accumulated $2.6 billion in total value locked across its ecosystem and processed $2.03 trillion in stablecoi…

architectureblockchaindistributedsystemssystemdesign
Dev.to May 4, 2026, 15:21 UTC
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UUID vs UUIDv7 vs Snowflake ID: Choosing the Right Identifier for Backend Systems

ID generation looks like a small backend decision. In many systems, we simply add an id column, make it the primary key, and move on. But once the tab…

databasedistributedsystemssystemdesigninterview
Dev.to May 3, 2026, 06:12 UTC

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