The Netflix TechBlog

AUGUST 28, 2020

As the number of 4K titles in our catalog continues to grow and more devices support the premium features, we expect these video streams to have an increasing impact on our members and the network. We also show the corresponding full frame which helps to get a sense of how the cutout fits in the corresponding video frame.

Network 330

Network Storage Innovation Mobile 330

The Netflix TechBlog

MAY 1, 2019

Most conversations about streaming quality focus on video. We’re really proud of the improvements we’ve brought to the video experience, but the focus on those makes it easy to overlook the importance of sound , and sound is every bit as important to entertainment as video. is the story nearly as thrilling and emotional?

Engineering 274

Engineering Network Media Entertainment 274

Speed Curve

DECEMBER 13, 2023

So I thought it would be fun to spend some time poking around behind the scenes and give the site a holiday performance audit. Background For this performance audit, I looked at this synthetic test for the LEGO.com home page. (We The performance team is clearly doing a good job of fighting page bloat. Are images optimized?

Performance 67

Performance Retail Benchmarking Ecommerce 67

The Netflix TechBlog

NOVEMBER 9, 2021

by Liwei Guo , Ashwin Kumar Gopi Valliammal , Raymond Tam , Chris Pham , Agata Opalach , Weibo Ni AV1 is the first high-efficiency video codec format with a royalty-free license from Alliance of Open Media (AOMedia), made possible by wide-ranging industry commitment of expertise and resources. Video encoding is essentially a search problem?—?the

Media 246

Media Open Source Efficiency Software Engineering 246

The Netflix TechBlog

NOVEMBER 6, 2023

We have built an internal system that allows someone to perform in-video search across the entire Netflix video catalog, and we’d like to share our experience in building this system. Building in-video search To build such a visual search engine, we needed a machine learning system that can understand visual elements.

Media 225

Media Social Media Tuning Efficiency 225

The Morning Paper

OCTOBER 4, 2020

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption , Xu et al., The first 5G networks are now deployed and operational. The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 SIGCOMM’20.

Energy 130

Energy Latency Performance Network 130

Dynatrace

FEBRUARY 1, 2022

As organizations struggle to combat vulnerabilities in their IT environments, they need real-time data on performance problems and security issues. At the annual conference Dynatrace Perform 2022, the theme is “Empowering the game changers.” Perform 2022 conference coverage , check out our guide. For our complete?

Strategy 208

Strategy Games DevOps Open Source 208

InfoQ

MARCH 24, 2020

Ryan Landry, the senior director for TechOps at Fastly, has shared how network automation enables them to manage traffic peaks during popular live-streamed events such as the Super Bowl LIV.

Network 41

Network Traffic Tuning Programming 41

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 140

Performance Latency Hardware Storage 140

The Netflix TechBlog

FEBRUARY 25, 2021

By Cyril Concolato Introduction In previous blog posts, our colleagues at Netflix have explained how 4K video streams are optimized , how even legacy video streams are improved and more recently how new audio codecs can provide better aural experiences to our members. Figure 1?—?Simplified

Technology 181

Technology Technology Open Source Media 181

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person! Or even on a plane.

Performance 110

Performance Latency Cache Virtualization 110

Smashing Magazine

SEPTEMBER 28, 2022

Five Data-Loading Patterns To Improve Frontend Performance. Five Data-Loading Patterns To Improve Frontend Performance. When it comes to performance, you shouldn’t be stingy. The resource loading waterfall is a cascade of files downloaded from the network server to the client to load your website from start to finish.

Cache 125

Cache Performance Servers Social Media 125

The Netflix TechBlog

FEBRUARY 5, 2020

AV1 is a high performance, royalty-free video codec that provides 20% improved compression efficiency over our VP9† encodes. Our support for AV1 represents Netflix’s continued investment in delivering the most efficient and highest quality video streams. AV1-libaom compression efficiency as measured against VP9-libvpx.

Media 160

Media Open Source Mobile Hardware 160

The Netflix TechBlog

FEBRUARY 5, 2020

AV1 is a high performance, royalty-free video codec that provides 20% improved compression efficiency over our VP9† encodes. Our support for AV1 represents Netflix’s continued investment in delivering the most efficient and highest quality video streams. AV1-libaom compression efficiency as measured against VP9-libvpx.

Media 160

Media Open Source Mobile Hardware 160

High Scalability

JANUARY 11, 2022

Generating machine learning based personalized recommendations to discover new people, photos, videos, and stories relevant one’s interest. from a client it performs two parallel operations: i) persisting the action in the data store ii) publish the action in a streaming data store for a pub-sub model. High Level Design.

Design 334

Design Media Storage Logistics 334

The Polyglot Developer

MAY 7, 2020

When I say streaming, I mean live streaming, not publishing pre-recorded videos to be watched on-demand. The reality is that there’s a little more to it, more so around stream quality and performance. The post Boost the Performance of OBS Twitch Streams on Mac and Windows appeared first on The Polyglot Developer.

Performance 80

Performance Network Engineering Development 80

Dynatrace

DECEMBER 8, 2022

DevOps platform engineers are responsible for cloud platform availability and performance, as well as the efficiency of virtual bandwidth, routers, switches, virtual private networks, firewalls, and network management. DevOps engineer tools can help ease the pressure as environment complexity grows.

DevOps 196

DevOps Engineering Testing Open Source 196

DZone

APRIL 30, 2020

Run your own Video Conference Service with Jitsi , I started looking for a reliable solution to monitor my instance that runs Jitsi. I needed basic information on RAM, CPU, Disk, Networking, and I/O to assess the performance bottleneck for the serve. Following on my previous article.

Monitoring 159

Monitoring Servers Hardware Open Source 159

Speed Curve

NOVEMBER 7, 2021

Keep reading to find out: How much does web performance matter when it comes to SEO? Which performance metrics should you focus on for SEO? How can you track performance for SEO? How much does web performance matter when it comes to SEO? Performance has had an impact on SEO long before Web Vitals came along.

Performance 96

Performance Google Metrics Mobile 96

CSS Wizardry

MAY 19, 2020

With more standardised FOUT/FOIT behaviour from browser vendors, to the newer font-display specification, performance—and therefore the user—seems to have been finally been put front-and-centre. On this site, in which performance is the only name of the game, I forgo web fonts entirely, opting instead to make use of the visitor’s system font.

Google 364

Google Media Latency Metrics 364

The Netflix TechBlog

SEPTEMBER 8, 2020

As an example, to render the screen shown here, the app sends a query that looks like this: paths: ["videos", 80154610, "detail"] A path starts from a root object , and is followed by a sequence of keys that we want to retrieve the data for. Instead, it is part of a different path : [videos, <id>, similars].

Latency 233

Latency Cache Java Traffic 233

Particular Software

AUGUST 19, 2019

In one such organization I've heard of, there existed two separate networks. To get data from a different network, you needed to browse in a separate room, as workstations did not have access to the Internet. Design secure systems: See what Udi has to say in Day 1 of his Advanced Distributed Systems Design video course.

Network 40

Network Best Practices Database Internet 40

Smashing Magazine

OCTOBER 9, 2023

Video files? Like many static site frameworks in the Jamstack, Gatsby has traditionally enjoyed a great reputation as a performant framework , although it has taken a hit in recent years. That means we will have to use vanilla methods for videos and audio in Gatsby. Check the docs and install one — or more!

Media 79

Media Network Processing Code 79

Dynatrace

FEBRUARY 1, 2020

Modern web applications rely heavily on Content Delivery Networks (CDNs) and 3rd-party integrations (for example, web analytics, tag managers, chat bots, A/B testing tools, ad providers, and more). Their performance and any errors they cause can have a massive impact on your bottom line. Today, Akamai has ~265,000 delivery nodes.

Tuning 186

Tuning Monitoring Network Best Practices 186

The Netflix TechBlog

JANUARY 10, 2024

The Netflix video processing pipeline went live with the launch of our streaming service in 2007. To that end, the Video and Image Encoding team in Encoding Technologies (ET) has spent the last few years rebuilding the video processing pipeline on our next-generation microservice-based computing platform Cosmos.

Processing 229

Processing Media Latency Innovation 229

Smashing Magazine

APRIL 17, 2019

Optimizing Performance With Resource Hints. Optimizing Performance With Resource Hints. Modern web browsers use all sorts of techniques to help improve page load performance by guessing what the user may be likely to do next. Video or audio WebVTT tracks. Drew McLellan. 2019-04-17T12:30:16+02:00. Value of as. Web workers.

Performance 106

Performance Games Servers Cache 106

Dynatrace

OCTOBER 28, 2021

As software performance degrades or fails, the chaos engineers’ findings enable developers to add resiliency into the code, so the application remains intact in an emergency. In 2009, the purveyor of online videos migrated to AWS cloud infrastructure to deliver its entertainment to a growing audience. Blast radius.

Engineering 230

Engineering Entertainment Cloud Infrastructure 230

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person!

Performance 52

Performance Latency Cache Virtualization 52

DZone

FEBRUARY 10, 2021

They perform important roles in the market. The merchants promote the products of the websites via writing an article, creating a video explaining the benefits of using the product, promoting through websites or banners, or via any other legal medium. Introduction. Developers and testers are the core members of a project.

Programming 226

Programming Development Website Traffic 226

Smashing Magazine

JANUARY 15, 2019

How Improving Website Performance Can Help Save The Planet. How Improving Website Performance Can Help Save The Planet. Perhaps the biggest win when it comes to making websites more sustainable is that performance, user experience and sustainability are all neatly intertwined. Jack Lenox. 2019-01-15T13:30:32+01:00.

Website Performance 73

Website Performance Website Energy Performance 73

Speed Curve

SEPTEMBER 11, 2016

And while there are already numerous conferences, videos, and evangelists for PWAs, there's less focus on testing and tracking the performance of PWAs. Mark and I discussed this gap in PWA performance. To answer the question "What's the key to measuring PWA performance?" PWA Offline Script. PWA Offline Script.

Performance 61

Performance Network Mobile Cache 61

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 52

Performance Latency Hardware Storage 52

Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rick Byers.

Performance 89

Performance Education Google Website 89

The Netflix TechBlog

OCTOBER 19, 2020

Investigating a video streaming failure consists of inspecting all aspects of a member account. Reconstructing a streaming session was a tedious and time consuming process that involved tracing all interactions (requests) between the Netflix app, our Content Delivery Network (CDN), and backend microservices.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

The Netflix TechBlog

MAY 21, 2019

Netflix engineers run a series of tests and benchmarks to validate the device across multiple dimensions including compatibility of the device with the Netflix SDK, device performance, audio-video playback quality, license handling, encryption and security. Detect a regression in a test case. It can be used in Python notebooks ?—?allowing

Testing 163

Testing AWS Lambda Network 163

Brendan Gregg

FEBRUARY 16, 2023

Similarly, we welcome participants from diverse professional roles: QA testers, performance engineers, security teams, OS engineers, DBAs, network administrators, compliance experts, UX designers, government employees, and data scientists.

Government 113

Government Programming Engineering Google 113

Rigor

JUNE 12, 2019

“The Best in Performance” video series from Rigor gives you the chance to eavesdrop on conversations with web performance industry experts, thought leaders, and technologists. Listen in as they talk about current trends, challenges, and lessons that impact the APM and performance space today. Mythbusting. Lessons learned.

Performance 72

Performance Social Media Internet Internet 72