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

Smashing Magazine

DECEMBER 2, 2021

Advent Calendars For Web Designers And Developers (December 2021 Edition). Advent Calendars For Web Designers And Developers (December 2021 Edition). It doesn’t really matter if you’re a front-end dev, UX designer or content strategist, we’re certain you’ll find at least something to inspire you for the upcoming year.

Design 107

Design Development Programming Website 107

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

Testsigma

DECEMBER 28, 2020

Responsive design is an approach to design websites such that it responds well on all screen sizes, platforms, and orientations. This approach eliminates the need to design a new set of code for each new device. Screenshot and video recording of a full page. Track and record network logs for performance.

Design 88

Design Testing Website Testing Tools 88

The Netflix TechBlog

FEBRUARY 13, 2024

This approach has its own set of challenges: Difficulty in making calls to an alternative API endpoint without implementing custom network layer API rewrite rules. Video recording of tests, trace viewing, and pause page functionality for trying out different page selectors/actions.

Testing 244

Testing Code Servers Testing Tools 244

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

Dynatrace

AUGUST 1, 2022

Kubernetes was initially designed with a strong focus on stateless workloads, meaning these workloads do not need to store any persistent data. For example, let’s say you have an idea for a new social network and decide to use Kubernetes as your container management platform. Dynatrace news.

Storage 180

Storage Database Network Metrics 180

Percona

APRIL 17, 2023

For example: UUID=f41e390f-835b-4223-a9bb-9b45984ddf8d / xfs rw,noatime,attr2,inode64,noquota 0 0 Unix ulimit settings Most UNIX-like operating systems, including Linux and macOS, provide ways to limit and control the usage of system resources such as threads, files, and network connections on a per-process and per-user basis.

Best Practices 52

Best Practices Design Tuning Database 52

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

CSS Wizardry

MAY 19, 2020

It’s widely accepted that self-hosted fonts are the fastest option: same origin means reduced network negotiation, predictable URLs mean we can preload , self-hosted means we can set our own cache-control. However, the execution of this header is bound by the response’s TTFB, which on high-latency networks can be very, very high.

Google 364

Google Media Latency Metrics 364

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. ” What does a DevOps platform engineer do? A DevOps platform engineer is a more recent term.

DevOps 184

DevOps Engineering Testing Open Source 184

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

Dynatrace

OCTOBER 28, 2021

In 2009, the purveyor of online videos migrated to AWS cloud infrastructure to deliver its entertainment to a growing audience. A disruption spanning hardware, networks, and cloud infrastructure can require input and participation from network and infrastructure architects, risk experts, security teams, and even procurement officers.

Engineering 218

Engineering Entertainment Cloud Infrastructure 218

Dynatrace

DECEMBER 9, 2021

PHP is widely used in web development by prominent social media companies, content management systems, and video teleconferencing brands. Many application security products were designed before the rise of DevSecOps, containers, Kubernetes, and multicloud environments and so can’t keep up with rapid changes in these environments.

Social Media 180

Social Media Open Source Media Cloud 180

High Scalability

NOVEMBER 14, 2018

Five years ago when Google published The Datacenter as a Computer: Designing Warehouse-Scale Machines it was a manifesto declaring the world of computing had changed forever. The world is still changing, so Google published a new edition: The Datacenter as a Computer: Designing Warehouse-Scale Machines, Third Edition.

Design 54

Design Education Google Internet 54

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

IO River

NOVEMBER 2, 2023

Examples include real-time video conferencing, gaming, or personalized web pages. ‍Dynamic Content - Online GamingImagine a video gaming match. This is a scenario where CDN’s effectiveness is reduced, as it’s designed to handle static content rather than real-time dynamic content.‍CDNs There is no predefined moveset.Â

Cache 52

Cache Traffic Games Network 52

Smashing Magazine

OCTOBER 9, 2023

Video files? This article is the first of a brief two-part series where we will look specifically at the media you are most likely to use: images, video, and audio. That means we will have to use vanilla methods for videos and audio in Gatsby. That means we will have to use vanilla methods for videos and audio in Gatsby.

Media 79

Media Network Processing Code 79

High Scalability

OCTOBER 5, 2018

Because the device in question is a high-speed unit designed to process a high volume of ballots for an entire county, hacking just one of these machines could enable anattacker to flip the Electoral College and determine the outcome of a presidential election?. They'll love it and you'll be their hero forever.

Internet 156

Internet Internet Scalability Software Engineering 156

Smashing Magazine

JANUARY 11, 2021

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3.

Performance 145

Performance Cache Media Metrics 145

Particular Software

MARCH 1, 2021

Of course, there are upfront and ongoing costs associated with any computer network. The servers themselves, cabling, network switches, racks, load balancers, firewalls, power equipment, air handling, security, rent/mortgage, not to mention experienced staff to keep it all running smoothly, all come with a cost.

Transportation 98

Transportation Network Cloud Design 98

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

Smashing Magazine

OCTOBER 2, 2023

Image Optimization Images are pieces of content in many contexts, and they are a very important and prominent part of the WaterBear app’s experience, from video posters and category banners to partner logos and campaign image assets. After scrolling the video category page, a bunch more images are loaded.

Cache 72

Cache Strategy Best Practices Design 72

The Netflix TechBlog

MAY 21, 2019

The device ecosystem is rich with partners ranging from Silicon-on-Chip (SoC) manufacturers, Original Design Manufacturer (ODM) and Original Equipment Manufacturer (OEM) vendors. Solving the above problems could help Netflix and our Partners save time and money during the entire lifecycle of device design, build, test, and certification.

Testing 163

Testing AWS Lambda Network 163

IO River

NOVEMBER 2, 2023

Examples include real-time video conferencing, gaming, or personalized web pages. Dynamic Content - Online GamingImagine a video gaming match. This is a scenario where CDN’s effectiveness is reduced, as it’s designed to handle static content rather than real-time dynamic content.‍CDNs Can Still Help with Dynamic Content!

Cache 40

Cache Traffic Games Network 40

Dynatrace

NOVEMBER 16, 2020

Purpose built for modern cloud and single-page applications, Session Replay overcomes the limitations of traditional network-based approaches and other point solutions, which are unable to provide integrated visibility into modern environments. The following video shows a session recorded with the Mask all preset enabled.

Ecommerce 179

Ecommerce Monitoring Website Tuning 179

Smashing Magazine

JUNE 8, 2021

Next to videos, images are the heaviest, most requested assets on the web. Using responsive images is a key part of delivering fully responsive web design. Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. Get the eBook.

Media 105

Media Cache Google Best Practices 105

High Scalability

OCTOBER 19, 2018

four petabytes : added to Internet Archive per year; 60,000 : patents donated by Microsoft to the Open Invention Network; 30 million : DuckDuckGo daily searches; 5 seconds : Google+ session length; 1 trillion : ARM device goal; $40B : Softbank investment in 5G; 30 : Happy Birthday IRC!; They'll love it and you'll be their hero forever.

Internet 123

Internet Internet Scalability Lambda 123

Adrian Cockcroft

JANUARY 17, 2022

As well as the video, there’s a long podcast where I discuss them with Mik Kersten. The need for systems to be resilient is still increasing, and chaos engineering tools and techniques are developing as a key way to validate that resilience is working as designed.

Serverless 98

Serverless Hardware AWS Architecture 98

Apica

APRIL 1, 2022

This created a tipping point in the organization to help deliver a solution that would not only meet this need but easily tie into the existing platform and any network environment. The obvious challenge is that not all applications are designed or built the same. Monitoring Examples: Desktop. 3270 Terminal.

Monitoring 52

Monitoring Traffic Network Innovation 52

Smashing Magazine

APRIL 28, 2021

Next to videos, images are the heaviest, most requested assets on the web. Using responsive images is a key part of delivering fully responsive web design. Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. Get the eBook.

Media 92

Media Cache Google Best Practices 92

Brendan Gregg

FEBRUARY 28, 2023

The video is now on [YouTube]: The slides are [online] and as a [PDF]: first prev next last / permalink/zoom In Q&A I was asked about CXL (compute express link) which was fortunate as I had planned to cover it and then forgot, so the question let me talk about it (although Q&A is missing from the video).

Performance 110

Performance Latency Cache Virtualization 110

The Netflix TechBlog

OCTOBER 19, 2020

Investigating a video streaming failure consists of inspecting all aspects of a member account. Now let’s look at how we designed the tracing infrastructure that powers Edgar. which is difficult when troubleshooting distributed systems. In our previous blog post we introduced Edgar, our troubleshooting tool for streaming sessions.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

CSS Wizardry

MARCH 28, 2022

To that end, waterfalls in all Chrome versions look identical, and networking/scheduling behaviour remains unchanged. I can only guess that this is simply because the preload scanner is built to scan HTML and not SVG, and that this is by design rather than an oversight. Design modals and cookie banners etc.

Virtualization 330

Virtualization Google Metrics Testing 330

Brendan Gregg

JULY 4, 2021

AWS Graviton2); for memory with the arrival of DDR5 and High Bandwidth Memory (HBM) on-processor; for storage including new uses for 3D Xpoint as a 3D NAND accelerator; for networking with the rise of QUIC and eXpress Data Path (XDP); and so on.

Performance 140

Performance Latency Hardware Storage 140

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. Amazon Kinesis Video Streams. You can use these services in combinations that are tailored to help your business move faster, lower IT costs, and support scalability. Amazon Kinesis Data Analytics.

AWS 135

AWS Metrics IoT Storage 135

Dynatrace

DECEMBER 22, 2019

AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. Amazon Kinesis Video Streams. You can use these services in combinations that are tailored to help your business move faster, lower IT costs, and support scalability. Amazon Kinesis Data Analytics.

AWS 132

AWS Metrics IoT Storage 132