From Dev.to Community
Tech Articles
Curated developer articles, tutorials, and guides — auto-updated hourly
Shahid Yousuf3d ago • 28 min read
How to Implement the Transactional Outbox Pattern in Python
A payment service captures a card payment and records it in PostgreSQL. The rest of the business...
#distributedsystems#kafka#postgres#python
0 0
Joni Collinge1d ago • 1 min read
Why Does a Workflow That Runs Forever Need Continue-as-New?
Short answer: a Dapr workflow's history only grows, and continue-as-new is the operation that starts...
#dapr#workflow#ai#distributedsystems
10 0
Ramesh Yara1d ago • 5 min read
The Resilience Feature That Wasn't There
When I finished Phase 6 of my event-driven microservices platform, I updated the architecture...
#kafka#distributedsystems#microservices#architecture
0 0
Tope Taiwo1d ago • 8 min read
Transactions, Events and the Problem of Reliable Side Effects
"Understand the dual-write problem and how transactional outbox patterns, idempotent consumers,...
#backenddevelopment#distributedsystems#node#eventdriven
0 0
Charan Reddy Rachumalla2d ago • 4 min read
Every Step Runs Inside poll(): The Kafka Consumer Flow, End to End
Every Kafka consumer application calls poll(). Very few developers can list what happens inside...
#kafka#java#distributedsystems#dataengineering
0 0
Hamed Yousefi4d ago • 8 min read
Cutting etcd/raft failover from 1.25 s to 343 ms, checked against 2,000 simulated leader crashes
When the leader of a three-node etcd/raft cluster dies, the other two servers wait between 1 and 1.9...
#go#testing#raft#distributedsystems
0 2
Yash Suthar4d ago • 3 min read
How Redis rate limiters fail under load, measured
I measured eight Redis rate limiter designs in 3,853 trials. Check-then-act let 29% too much through...
#redis#distributedsystems#backend#performance
0 1
Vinayak GaurOct 16, 2026 • 5 min read
How Uber Eats Halved Search Time With No Big Fix
Uber Eats search had gotten so slow that Uber's own engineers called it untenable. Then they cut the...
#systemdesign#performance#distributedsystems#go
0 0
Vandit Singh3d ago • 12 min read
I Built a File System Where Nobody Can Lie to You
Building a content-addressed file system on libp2p where every blob is verified by its own hash, so ...
#go#web3#distributedsystems#programming
0 0
kevinrawal3d ago • 2 min read
Saga Pattern
The Problem In a microservices app, one user action often touches several services. Take...
#distributedsystems#designpatterns#systemdesign
1 0
NARESH5d ago • 10 min read
Git at Agent Scale: What Anthropic's Scion Really Teaches Us
For the past month, one question has stayed with me: AI coding agents are making it faster and...
#ai#git#distributedsystems#architecture
0 1
TanzeelAhmad5d ago • 3 min read
# Eatz: Know What's in Your Food, Without Sending It to the Cloud
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side...
#distributedsystems#github#softwareengineering
0 0
Real Dev6d ago • 6 min read
I Added a Fourth Shard in Python and 75% of the Keys Moved
Why hash(key) % N falls apart when N changes, measured on 100,000 keys, and what a consistent hash r...
#systemdesign#python#distributedsystems#interview
0 0
M Antony2d ago • 5 min read
Designing Idempotent Retail APIs: Preventing Duplicate Orders During Retries
A customer places an order. The ERP creates it, but the connection drops before the ecommerce...
#webdev#api#backend#distributedsystems
0 0
Priyadarshan Singh1d ago • 3 min read
How Milvus Improved Distributed Resource Loading with Streaming and Centralized Management
Why Resource Loading Matters in Distributed Query Systems In distributed systems like...
#distributedsystems#rpc#resourcemanagement#milvus
0 0
Israel Negrete LepeOct 16, 2026 • 5 min read
The top-up nobody knows went through
A customer asks for a prepaid airtime top-up at a corner store. The system debits the store's balanc...
#fintech#backend#architecture#distributedsystems
0 0
Gouranga Das Samrat6d ago • 1 min read
Distributed Cron Jobs
Regular cron runs on one server. What happens when you have 10 servers? Each runs the job 10 times.....
#systemdesign#distributedsystems#backend#api
1 0
ram.mehta.1899@gmail.com4d ago • 1 min read
Deterministic Replay: Giving AI Agents Time-Travel APIs to Fix Distributed Bugs
AI agents can now use deterministic time-travel APIs to step through nanosecond execution histories,...
#distributedsystems#aiagents#debugging#platformengineering
0 0
Hurdad Ashouri4d ago • 3 min read
DDIA is a great book. It is a bad lab.
DDIA is the best distributed systems book I have read. I finished the second edition with a head ful...
#ddia#distributedsystems#systemdesign#opensource
0 0
Tanu Priya6d ago • 9 min read
Why Is Keeping Time Correctly So Difficult for Distributed Systems?
A production bug can look almost impossible to explain when the logs tell a different story from the...
#architecture#backend#database#distributedsystems
0 0
Subham Ghosh6d ago • 1 min read
Designing an Email Service at Scale
How do you build a distributed platform that handles 1 billion users, 50 billion daily messages, and...
#architecture#systemdesign#distributedsystems#softwareengineering
0 0
Vaibhav Shakya3d ago • 2 min read
Designing FinTech for the Day Everything Fails: Cyberattacks, Outages, Dependencies, and Recovery
Why FinTech recovery requires explicit uncertainty, stable payment identity, trusted infrastructure,...
#fintech#architecture#distributedsystems#security
0 1
Amitesh05124d ago • 8 min read
Low-Latency Live Comment Stream Architecture: Blueprint for Real‑Time Scale
Quick Answer Explore a production‑ready low-latency live comment stream architecture that...
#scalability#performancetuning#eventdriven#distributedsystems
0 0
ValdemarBlack38175d ago • 5 min read
6 Delayed Webhook Tasks: Cron and Message Queues for Per-Event HTTPS Scheduling
Short answer: use a durable message queue for per-event webhook delays, and keep cron as a dispatche...
#webhooks#distributedsystems#scheduling
0 0