Investigating a Memory Regression in Go 1.24: A Datadog Case Study
By
gandem
Sesame, salt, and substance. A flagship bake.
Summary
The article discusses a memory regression issue encountered after rolling out Go 1.24, leading to increased memory usage across multiple environments. The team conducted a bisect to investigate and identified a bug in the runtime allocator, collaborating with the Go team to resolve the issue.
Key quotes
· 3 pulledThe headline feature—the new Swiss Tables map implementation—promised reduced CPU and memory overhead.
We observed the same pattern, a ~20% increase in memory usage, across multiple environments before pausing the rollout.
Here's how we dug into system metrics, uncovered a bug in the runtime allocator, and worked with the Go team to help fix it.
You might also wanna read
AI-Driven Layoffs Create Unrecognized Grief Crisis Among Tech Workers
The article examines the psychological and emotional toll of AI-driven job displacement on tech workers, arguing that the experience closely
jackmaguire.org·1h agoAI-Driven Layoffs Create Unrecognized Grief Crisis Among Tech Workers
The article examines the psychological and emotional toll of AI-driven job displacement on tech workers, arguing that the experience closely
jackmaguire.org·1h ago
US surpasses China in fossil-fuel power investment driven by AI data-center boom, IEA reports
The International Energy Agency (IEA) reports that the US has surpassed China in fossil-fuel power investment, driven by a surge in gas-fire
carbonbrief.org·1h ago
Google to open first physical retail store outside the US in Tokyo this summer
Google is opening its first physical retail store outside the United States in Tokyo's Omotesando avenue later this summer. This marks the c
Sergey Brin tells Google AI staff 60-hour workweek is the 'sweet spot' for productivity
Sergey Brin, Google cofounder, wrote an internal memo to employees working on the Gemini AI products recommending a 60-hour workweek as the
fortune.com·1h agoSergey Brin tells Google AI staff 60-hour workweek is the 'sweet spot' for productivity
Sergey Brin, Google cofounder, wrote an internal memo to employees working on the Gemini AI products recommending a 60-hour workweek as the
fortune.com·1h ago