The newest deploy is almost never the cause. So I gave on-call a graph.
The newest deploy is almost never the cause. So I gave on-call a graph. (On-call Brain, Graph Hacks by WeMakeDevs x FalkorDB) It's 3 am. Your phone…
Architecture
⚑ Сообщить о проблемеПоследние новости Architecture от Tech News
Все темы
agents
ai
api
architecture
automation
aws
backend
beginners
career
database
devchallenge
devops
javascript
llm
machinelearning
mcp
news
opensource
performance
productivity
programming
python
react
security
showdev
softwareengineering
systemdesign
tutorial
typescript
webdev
Designing a Distributed Cache Inspired by The Lord of the Rings: One Insight to Rule Them All
The Quest Begins (The "Why") Ever felt like your application is constantly begging the database for the same piece of data over and over? I remember…
why pg‑bouncer can still choke your service under burst load
problem statement in a typical microservice, each instance opens its own pg client pool. during a traffic spike the aggregate connection count can e…
Exponential Backoff Isn't Enough: The Retry Storm Hiding in Your Recovery Path
The problem A dependency blips for 400ms — a deploy, a GC pause, a brief network partition, doesn't matter which. Every client with an in-flight req…
I Built a Pixiv Alternative in Go (and Taught It SEO)
Pixiv is wonderful. It's also, architecturally, a black box you can't learn from. So I built my own illustration community platform — Lumiina — live…
Version the wire schema, normalize at the boundary, and keep failures visible
Problem statement When you change a function-calling or Structured Outputs schema after users have active conversations, older turns and replayed to…
I'm 13. I Spent 101 Days Building a Secure Social Network with Node.js
Hey dev community! 👋🏻 I'm Seif, a software engineer with 4 years of experience who absolutely hates vibe-coding and prefers designing architecture b…
Retry Storms: Hardening n8n Workflows Against Thundering Herd Failures
A 90-second upstream blip doesn't take you down. What your retries do in the ninety seconds after it ends does. We learned this the expensive way. A…
AsyncLocalStorage vs Scope.REQUEST in NestJS: Fixing a Multi-Tenant Data Leak Without Killing Performance
A while ago in a high-scale multi-tenant B2B SaaS platform, we ran a high-concurrency benchmark before launching an enterprise data portal. Everythi…
Securing a .NET API with JWT Authentication Using Clean Architecture
When building a RESTful API, securing your endpoints is just as important as the business logic itself. While implementing JWT (JSON Web Tokens) in…
Testing Idempotency, Webhooks, and Race Conditions in Payment APIs
Payment bugs do not always originate from a missing patch or weak password. Some appear when two requests arrive almost simultaneously, a callback i…
AI Can Build Your React UI in Seconds. What About the Backend?
A few weeks ago, I opened Cursor and gave Claude a single prompt: "Generate a modern task management dashboard with filtering, search, pagination, a…
Travel Planner Retrieval Design with Bounded Access Rules and Source Citations
Short answer: a travel itinerary planner needs a staged retrieval architecture with bounded access rules and source context attached to every answer…
SMS Alert API Alternatives Explained (Europe GDPR and US Startup Support)
Choose an SMS alert API by the evidence it lets your system retain, not by the apparent simplicity of its send call. For US and EU loan-application…
Rate Limiting Like Gandalf: Building a Distributed Cache with Redis
The Quest Begins (The "Why") Ever had your API melt down because a sudden traffic spike hammered every endpoint at once? I remember a late‑night dep…
Building Inventory Applications That Don’t Lose Track Of Their Inventory
Let’s imagine we have an inventory system. Two of its customers decide to order the last remaining unit of a given product at roughly the same time.…
Ledger errors should name the invariant they protect
A payout worker catches an exception from the ledger and has to decide, with no human in the loop, whether to retry the request, park it, or escalat…
Why Your Connection Pool is Lying to You
We hit a wall last month. Traffic was stable, CPU was idle, but p99 latency spiked to 2s. The PostgreSQL server looked healthy. The culprit wasn't t…
Reengineering Family Finance: Building Financial Integrity Into Kith
Families manage money and responsibilities in ways that often resemble small organizations. They coordinate recurring contributions, fund shared pro…
Как мы сократили поток событий в 600 раз с помощью FlinkSQL
Привет! Меня зовут Сергей Прокопкин , я развиваю мотивационную программу и отвечаю за realtime-систему трекинга заданий в Авито . В моти…
Supabase pg-delta migration guide: adopt declarative schemas safely
A schema diff can be technically valid and still remove data you meant to keep. That is why switching an existing Supabase project to Declarative Sc…
How to add Cloudflare browser rendering to a SaaS without running a browser fleet
A screenshot or PDF endpoint looks small in a product spec: accept a report, render it, return a file. The hidden work is the browser fleet behind t…
Idempotency keys done right: exactly-once effects over at-least-once networks
Why "just retry" creates duplicate payments, and a PostgreSQL-backed design for idempotency keys that survives double clicks, timeouts, crashes and…
This 3-Line Python Mistake Can Disable Your Entire API Authentication
Ever written a security check that looked perfectly reasonable... until you realized it could let everyone in ? Here's a tiny Python mistake that ca…
Name Cloudflare Cron Triggers in Sentry
A scheduled Worker can run on time and still leave monitoring hard to read. When Sentry labels a check-in with a raw cron expression, the schedule i…
Candidate Search Architecture: Tenant-Bounded Retrieval and Source Traceability
Recruiting search has an awkward constraint: a highly relevant profile is still a security incident if it came from the wrong customer. Short answer…
Azure Functions vs WebJobs: Choosing the Right Tool
In cloud applications, background processing is often needed for scheduled tasks, queue processing, and operations that should run independently of…
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…
Enable MySQL HeatWave REST Service (MRS)
Introduce the MySQL HeatWave REST Service (MRS), a fully managed, integrated solution that lets you create RESTful API endpoints instantly, directly…
Transactional Welcome Email Explained: Custom Domains and Template Ownership
Send transactional email from a dedicated subdomain, authenticate it with SPF and DKIM, publish a DMARC policy, and keep the template contract in th…