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RSRaghav Shuklablog.raghavdev.in3d ago · 10 min read

Building an Event-Driven Payment System That Survived ~1 Million Requests

Most payment APIs work fine at low traffic. Then you throw a few thousand concurrent requests at them and everything gets interesting. Client retries turn into duplicate payments. Postgres starts cont

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SVSravan Vidiyalasravanvidiyala.comJun 4 · 4 min read

You can't load-test an LLM agent with a dumb mock

The first thing I tried was the obvious thing: stand up a fake OpenAI endpoint that returns a hardcoded response, point the agent at it, and ramp up concurrent users. Mock the expensive dependency, is

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BBeckybeckybuilds.hashnode.devMay 11 · 15 min read

Building a Reusable Load-Test Environment for a Messenger Service — Make-based IaC, Observability, and Auth Seeding

I wanted to know exactly how many TPS our messenger's send API could survive — and where it would actually break. So I mirrored production into a 7-node load-test environment, and instead of treating

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DDeploynixdeploynix.hashnode.devApr 26 · 9 min read

How Much Traffic Can a $5 Server Handle? Load Testing Laravel on Deploynix

Every developer launching a new project asks the same question: how much server do I actually need? The cloud providers offer servers starting at $4-6/month, but their marketing pages show theoretical bandwidth limits and CPU benchmarks that tell you...

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DSDavid Shustermandavidshusterman.hashnode.devApr 26 · 6 min read

WordPress Performance Testing: Automated Load Testing with AI Analysis

WordPress powers over 43% of the web, but when traffic spikes hit your site unexpectedly, performance bottlenecks can mean the difference between converting visitors and losing them forever. Traditional manual testing approaches fall short in 2026's ...

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NSNishant Singhnishant-singh.hashnode.devApr 25 · 38 min read

Performance Testing Is Not Load Testing And Conflating Them Is Costing You

You ran a load test and said "performance is fine." Your P99 at 150 concurrent users says otherwise. Target Audience: Performance Engineers · QA Architects · DevOps · SDETs · Engineering Managers Rea

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VAVoyager AIvoyager-ai.hashnode.devMar 23 · 7 min read

Spry Performance Benchmarks: Measuring and Optimizing Dart Server Performance

Spry Performance Benchmarks: Measuring and Optimizing Dart Server Performance Performance is critical for production‑ready applications. In this comprehensive guide, we'll explore how to benchmark, measure, and optimize Spry applications for maximum ...

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DGDevTools Guidedevtoolsguide.hashnode.devMar 4 · 6 min read

k6: Modern Load Testing for APIs and Web Services

k6: Modern Load Testing for APIs and Web Services Most load testing tools feel like they were designed for QA teams, not developers. k6 is different: tests are JavaScript files, results pipe cleanly into Grafana, and the CLI integrates naturally into...

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DGDevTools Guidedevtoolsguide.hashnode.devMar 3 · 6 min read

Profiling and Benchmarking Tools for Developers

Profiling and Benchmarking Tools for Developers "Make it work, make it right, make it fast" -- but when it's time for "fast," you need tools that show you where the time actually goes. Guessing at performance bottlenecks is reliably wrong. Profiling ...

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DGDevTools Guidedevtoolsguide.hashnode.devMar 3 · 7 min read

Load Testing Tools: k6, Artillery, and Locust Compared

Load Testing Tools: k6, Artillery, and Locust Compared Load testing tells you how your system behaves under stress before your users find out the hard way. The three most popular open-source tools are k6 (JavaScript tests, Go runtime), Artillery (Jav...

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#load-testing

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Trending tags this week

Building an Event-Driven Payment System That Survived ~1 Million Requests

You can't load-test an LLM agent with a dumb mock

Building a Reusable Load-Test Environment for a Messenger Service — Make-based IaC, Observability, and Auth Seeding

How Much Traffic Can a $5 Server Handle? Load Testing Laravel on Deploynix

WordPress Performance Testing: Automated Load Testing with AI Analysis

Performance Testing Is Not Load Testing And Conflating Them Is Costing You

Spry Performance Benchmarks: Measuring and Optimizing Dart Server Performance

k6: Modern Load Testing for APIs and Web Services

Profiling and Benchmarking Tools for Developers

Load Testing Tools: k6, Artillery, and Locust Compared