How to Prevent Retry Storms in Microservices
Quick Answer: A retry storm occurs when deeply nested microservices independently retry failed downstream requests, causing exponential traffic ampl…
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The outbox pattern without a relay
Work on a distributed system long enough and you'll know the particular cold sweat of the dual write. You insert an order into the database and the…
Spreader: Your JVM processes are the cluster. Nothing else to install.
Turn plain JVM instances into a cluster that elects a leader, tracks every member and passes messages between them. One dependency, one line of conf…
How to Come Up With the Raft Consensus Algorithm Yourself
If someone asks you to explain Raft, you might hear a list of terms like: Leader election Terms RequestVote AppendEntries Log replication Commit ind…
Building Distributed Systems in Elixir: Part 9 — Backpressure
In the previous part of this series, we built a Publish / Subscribe Broker from scratch. We saw how a central coordinator could fan out events acros…
Transactional Outbox Pattern: Memory Queue for Speed, PostgreSQL for Recovery
In distributed systems, the Transactional Outbox Pattern is a common way to reliably publish events after a database transaction. The idea is simple…
The Retry That Restored Access
Retries keep distributed systems moving through timeouts and temporary failures. In an access system, though, an old retry can be more dangerous tha…
Metrice: Zero-dependency post-quantum P2P mesh network
Metrice is a decentralized peer-to-peer (P2P) mesh networking protocol engineered with zero external npm dependencies (Zero-Dependency), running nat…
Handling Partial Failures in Distributed Systems
Quick Answer: To handle partial failures in distributed systems, avoid complex distributed transactions. Instead, design for the "unhappy path" usin…
Reconcilation in Payment systems
Payment systems often look simple when everything is working. A user initiates a payment, the provider processes it, a webhook arrives, and the appl…
Seven Ideas That Keep Distributed Systems From Falling Over
Hello, I'm Maneshwar, and I'm building LiveReview — a blast-radius aware AI code review built for your business-critical systems. Star us to help de…
Coding Is Getting Easier. But System Design Still Matters.
Writing code is becoming easier. With AI tools, you can generate APIs, database queries, UI components and even complete features much faster than b…
Kafka vs RabbitMQ vs NATS (2026): Performance, Use Cases, Latency, Throughput & Microservices
Kafka vs RabbitMQ vs NATS (2026): Performance, Use Cases, Latency, Throughput & Microservices Choosing the right messaging system can have a maj…
Distributed Locking in Practice: Guarantees, Failure Scenarios and Better Alternatives (3/4)
15. Distributed Locking Is Only One Coordination Pattern By this point, we've established an important progression in how distributed systems handle…
Event-driven AI agents: Build multi-agent workflows that survive production failures
AI agents become fragile when they are connected as long synchronous chains. An event bus lets them work independently, wait for people and tools, r…
Building Sluice: QoS-Aware Capacity Governance for Self-Hosted LLM Inference
📦 Project: https://github.com/VampiricCyborg/sluice 1. The Problem: When Capacity Becomes the Bottleneck A self-hosted vLLM deployment runs on a GPU…
Horizontal Scaling: Solving One Problem, Creating Another
When learning system design, we are almost always fed the exact same doctrine: start with one API + one Database, then as traffic increases, add a L…
Distributed Trust and Multimodal Perception for Next-Generation Autonomous Drone Defense
Distributed Trust and Multimodal Perception for Next-Generation Autonomous Drone Defense A Blockchain-Coordinated Multi-Node Architecture for Truste…
Inside Facebook's News Feed Architecture
Inside Facebook's News Feed Architecture Chapter 1: The Scale & SLA Challenge "Every single day, more than three billion people around th…
When the disk fills up: pressure and tenant isolation in Squirix preview.7
In my preview.6 article , I wrote about what happens after a write is accepted: binary WAL frames, group commit, crash recovery, and durable retries…
Spring Batch DB Cluster Partitioning 3.0.0 — distributed partitioning with just a database, now on Spring Boot 4 & Java 21
spring-batch-db-cluster-core 3.0.0 is live on Maven Central. This is the biggest release of the project so far — a full platform upgrade plus a batc…
The World's Oldest Communication Protocol Is Music
This is going to be a very different article from what I usually write. No technical discussions, architecture deep dives, or engineering practices…
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (part-4)
In this article, we're going to explore Contract Testing Contract testing ensures that event contracts remain stable as systems evolve. Producers re…
Realtime Is a Hint, Not Your Source of Truth
A notification badge looks like a small feature. In a distributed application, it can expose a large architectural assumption. I recently investigat…
What happens after a write? Reworking Squirix's WAL in preview.6
In my first Squirix article , I wrote about why Squirix keeps a strict boundary between the client and the server. Applications use a typed client o…
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (part-2)
This is part-2 of the article series on "Building Reliable Event-Driven Systems". In this article, we're going to explore Event Schemas . 5. Designi…
Service-to-Service Communication in Microservices: What Every Developer Should Know
I still remember the first time a junior dev I was mentoring asked me, "why did the order service just... hang for 30 seconds and then crash the who…
🚀 We're Hiring Software Engineers at 10xHire
👉 Apply Here First Application Form: https://forms.gle/QJNF7TXVBTgbLoaC7 At 10xHire , we're building the next generation of technical hiring. We bel…
The Difference Between Retry and Idempotency They're Not the Same
Let me start with the confusion that prompted this post: in a recent mentoring session, a senior engineer described their payment service as "idempo…
Decision Provenance in Distributed Financial Systems: Why Systems Must Explain Their Own Decisions
Abstract Distributed financial systems do not merely process transactions. They make decisions. A transaction is approved, rejected, delayed, escala…