标签：#load

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Inside soccer’s data renaissance Imagine tuning in to the opening kickoff of a World Cup match and seeing a player intentionally kick the ball out of bounds. You may question the…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. The “steroid olympics” were a circus—and a window into our culture —Amit Katwala A couple of weeks ago, at a $50 million arena built in a casino parking lot in Las…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. David Sinclair plans to test whole-body rejuvenation drugs in the XPrize competition The outspoken longevity scientist David Sinclair has predicted that, one day, you’ll go to the doctor and get a…

Hey, welcome back. Last time we talked about missing parameterization in test scenarios. Today's mistake is similar in spirit. The test runs. The numbers look great. But what you've built isn't a load test. It's a hammer. ⚠️ The script works. The test is inhuman. Real users don't fire requests like a machine gun. They log in. They pause. They read. They click. They pause again. A typical user journey that takes 60 seconds in real life? Without think time, your script does it in just a few seconds. What this breaks Your throughput numbers are fiction. If users complete journeys 30x faster than reality, your RPS is inflated by 30x. You're not measuring capacity — you're measuring endurance under abuse. You stress the wrong things. Realistic concurrency surfaces real bottlenecks. A firehose of instant requests just overloads your connection pool and calls it a day. Production behaves nothing like your test. Because real users think. Your script didn't. 🛠 The fix Add randomized pauses between steps. Every major tool supports it: JMeter: Gaussian Random Timer, Uniform Random Timer etc. k6: sleep(Math.random() * 5 + 3) Gatling: pause(3.seconds, 8.seconds) Locust: time.sleep(random.uniform(3, 8)) 3–8 seconds between actions is a reasonable starting point. Check your analytics for what real sessions actually look like. Before your next run: Pauses between every major action? Randomized, not fixed? Does the timing feel human? If not — you're not testing load. You're testing collapse. Think time is one piece of the puzzle. But realistic load modeling goes deeper — it's about understanding how real users behave, how to translate that into a load profile, and how to design a test that actually reflects production. That's not something you patch with a timer. It's something you build from the ground up. If you want to understand the full system — from load model design to test execution to results that mean something — that's exactly what Performance Testing Fundamentals course

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Why this year’s World Cup ball may not fly as far Much is new about this month’s FIFA World Cup tournament. It hosts more teams than ever before. It’s the first…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. The Meta hack shows there’s more to AI security than Mythos On Monday, reports emerged that attackers had used Meta’s AI customer support agent to steal Instagram accounts. Their approach was…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How courts are coping with a flood of AI-generated lawsuits Most days in her chambers, Judge Maritza Braswell, a federal magistrate judge in Colorado, sifts through stacks of documents written by…

The company is reducing its workforce as it exits 22 countries, reduces management layers, and invests in its infrastructure to scale its platform.

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. 5 key points in Trump’s new AI order Less than two weeks after scrapping an executive order on AI, President Donald Trump signed a new one on Tuesday. Promising to promote…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How small businesses can leverage AI From accounting to design to market research and product development, there’s a staggering breadth of skills needed to run a business. Large companies can hire…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. China has approved the world’s first invasive brain-computer chip—here’s what’s next Sitting in the courtyard of his house in China’s Henan province last October, Dong Hui decided to try holding a…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How a new extraction process could unlock the world’s lithium A new method for extracting lithium could cut costs and emissions from one of the world’s most important materials for EVs…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Climate tech companies are going public. What’s next? Solar and battery company Solv Energy went public in February, hitting a $6 billion valuation. X-energy, which builds small modular nuclear reactors, followed…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Stay on top of what’s going on in AI this summer Here at MIT Technology Review, we understand exactly how relentless the pace of news from the world of artificial intelligence…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. A reality check on the AI jobs hysteria Despite the growing hysteria over AI’s threat to white-collar jobs, there’s still scant evidence that the technology has had a large-scale impact on…

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Anthropic’s Code with Claude showed off coding’s future—whether you like it or not At Anthropic’s developer event in London this week, Code with Claude, attendees were asked if they’d shipped code…