DZone

DECEMBER 2, 2019

Can you debug? Debugging is an important skill for any developer. Arguably the most important skill, if you consider debugging in the general sense: exploring a system, explaining its behavior, and working out how to change it. Nonetheless, most of us are bad at it. We don't methodically work through a process. Instead, we guess wildly, sprinkle logging at random and change things blindly, until the problem disappears.

Systems 130

Systems Processing Development Performance 130

Brendan Gregg

DECEMBER 2, 2019

At Netflix we have 15 BPF programs running on cloud servers by default; Facebook has 40. These programs are not processes or kernel modules, and don't appear in traditional observability tools. They are a new type of software, and make a fundamental change to a 50-year old kernel model by introducing a new interface for applications to make kernel requests, alongside syscalls.

Software 105

Software Software Programming Operating System 105

O'Reilly

DECEMBER 2, 2019

For the past year, 5G cell technology has generated a lot of excitement–and a lot of hype. The specifications are impressive: 5G will provide a peak data rate of up to 20 Gbps (with 100 Mbps of “ user experienced data rate ”) to mobile devices: cell phones, smart cars, and a lot of devices that haven’t been invented yet. It’s difficult to imagine mobile applications that will require that much data, and 5G’s proponents seem willing to promise just about anything.

Wireless 53

Wireless Serverless IoT Artificial Intelligence 53

The Netflix TechBlog

DECEMBER 2, 2019

Julie (Novak) Beckley, Andy Rhines, Jeffrey Wong, Matthew Wardrop, Toby Mao, Martin Tingley Ever wonder why Netflix works so well when you’re streaming at home, on the train, or in a foreign hotel? Behind the scenes, Netflix engineers are constantly striving to improve the quality of your streaming service. The goal is to bring you joy by delivering the content you love quickly and reliably every time you watch.

Metrics 143

Metrics Strategy Efficiency Testing 143

The Netflix TechBlog

DECEMBER 2, 2019

Julie (Novak) Beckley, Andy Rhines, Jeffrey Wong, Matthew Wardrop, Toby Mao, Martin Tingley Ever wonder why Netflix works so well when you’re streaming at home, on the train, or in a foreign hotel? Behind the scenes, Netflix engineers are constantly striving to improve the quality of your streaming service. The goal is to bring you joy by delivering the content you love quickly and reliably every time you watch.

Metrics 140

Metrics Strategy Efficiency Testing 140

The Netflix TechBlog

DECEMBER 2, 2019

Julie (Novak) Beckley, Andy Rhines, Jeffrey Wong, Matthew Wardrop, Toby Mao, Martin Tingley Ever wonder why Netflix works so well when you’re streaming at home, on the train, or in a foreign hotel? Behind the scenes, Netflix engineers are constantly striving to improve the quality of your streaming service. The goal is to bring you joy by delivering the content you love quickly and reliably every time you watch.

Metrics 130

Metrics Strategy Efficiency Testing 130