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. AV1 is made possible by the wide-ranging industry commitment of expertise and intellectual property within the Alliance for Open Media (AOMedia), of which Netflix is a founding member.

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. AV1 is made possible by the wide-ranging industry commitment of expertise and intellectual property within the Alliance for Open Media (AOMedia), of which Netflix is a founding member.

Media 160

Media Open Source Mobile Hardware 160

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

Dynatrace

DECEMBER 9, 2021

The open-source scripting language PHP is used by over 78% of all websites that use a server-side programming language. PHP is widely used in web development by prominent social media companies, content management systems, and video teleconferencing brands. Dynatrace news.

Social Media 195

Social Media Open Source Media Cloud 195

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

Official Blog - World Web Technology

AUGUST 27, 2023

It is a server-side scripting language that is highly secure, open-source, and versatile. PHP is Open Source Language The most important thing for a business is to optimize costs to make operations more cost-effective and improve profit margins. You can use PHP limitlessly.

Development 98

Development Ecommerce Open Source Website 98

The Netflix TechBlog

JULY 20, 2020

and thanks to the magic of open source, it’s only about a hundred lines of Python code. State-of-the-art approaches to dimensionality reduction include singular value decomposition of a word co-occurrence matrix ( GloVe ) and specialized neural networks ( word2vec , BERT , ELMo ). 0.3, -0.5, -0.7, 0.35, -0.5, -0.7,

Development 177

Development Open Source Tuning Network 177

Adrian Cockcroft

JUNE 2, 2023

There are no videos of the talks, so I tend to be a bit more experimental and try out new content at GlueCon. One example is that Netflix launched it’s streaming service in 2007, just at the point when the cost of streaming a movie over the network (which was dropping fast) became less than the cost of shipping a DVD.

Social Media 98

Social Media Innovation Open Source Entertainment 98

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. You can then mimic the 90th percentile’s experience for testing. Large preview ).

Performance 145

Performance Cache Media Metrics 145

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. The neural network (NN)-based agent uses a deep net with fully connected layers.

Testing 163

Testing AWS Lambda Network 163

Smashing Magazine

JUNE 8, 2021

Next to videos, images are the heaviest, most requested assets on the web. Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. HTTP caching, service workers, image spriting, and preloading help optimize network requests.

Media 105

Media Cache Google Best Practices 105

Smashing Magazine

MARCH 2, 2021

The gotcha here is that, if your mobile experience isn’t optimized for various devices and network conditions, these customers will never appear in your analytics — just because your website or app will be barely usable on their devices, and so they are unlikely to return. What’s a representative device to test on in 2021? Large preview ).

Mobile 133

Mobile Testing Website Benchmarking 133

Smashing Magazine

APRIL 28, 2021

Next to videos, images are the heaviest, most requested assets on the web. Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. HTTP caching, service workers, image spriting, and preloading help optimize network requests.

Media 92

Media Cache Google Best Practices 92

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

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

Smashing Magazine

APRIL 29, 2022

Providing rich, interactive website experiences needs added assets that consume your users’ resources, from CPU and GPU to memory and network. Large images and videos aside, third-party scripts like pixel trackers, A/B testing, ads, widgets, CDNs, etc., It’s a known fact that JavaScript is one of the main culprits behind website bloat.

Website 80

Website Google Open Source Mobile 80

Enprowess

SEPTEMBER 7, 2021

is a server-side, open-source, JavaScript runtime environment that allows developers to write JavaScript on the client and the server-side. Real-time software system – Collaboration tools used for video/audio conferencing, document writing, Chat applications, etc. Open-source: Large ecosystem for the open-source library.

Open Source 52

Open Source Virtualization Programming Servers 52

Alex Russell

APRIL 29, 2021

Apple Corporate is at fault, not Open Source engineers or the line managers who support them. Next-generation video codecs, supported in many modern chips, but also a licensing minefield. The open, royalty-free codec AV1 has been delivered instead. Fundamentally enabling for video creation apps. getUserMedia().

Media 145

Media Games Education Engineering 145

Smashing Magazine

JANUARY 6, 2020

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik and detailed guide by Rick Viscomi) or Treo Sites , a RUM monitoring tool that is powered by Chrome UX Report. You can then mimic the 90th percentile’s experience for testing.

Performance 145

Performance Cache Network Metrics 145

Tech News Gather

DECEMBER 27, 2022

This is a convenient option for students who do not have access to the internet or encounter network problems. Furthermore, it can also add content including images, PDFs, videos, and other graphics. It is an open-source framework that makes use of a single Dart-written code base. Social Media. Objective-C.

Education 52

Education Social Media Development Media 52

The Netflix TechBlog

JUNE 4, 2019

These applications range from critical low-latency services powering our customer-facing video streaming service, to batch jobs for encoding or machine learning. We’re using cvxpy as a nice generic symbolic front-end to represent the problem which can then be fed into various open-source or proprietary MIP solver backends.

Cache 251

Cache Latency Airlines Logistics 251

Testsigma

JANUARY 7, 2022

IoT is used in sensitive data such as your video footages via CCTVs or your personal health data etc. This made the testers suggest and request improved functionalities of the software and since open-source works on people’s demands, Selenium 4 brought out commendable changes to itself. Tweet link.

Artificial Intelligence 89

Artificial Intelligence IoT Software Software 89

Smashing Magazine

DECEMBER 2, 2021

The project is available in twenty languages, and encourages all kinds of contributions to open-source projects — including non-pull-request contributions. Anyone can contribute by sharing their blog posts, videos, articles or podcast episodes dedicated to C# development. 24 Pull Requests. C# Advent Calendar. Rock on! ??.

Design 107

Design Development Programming Website 107

The Morning Paper

MARCH 1, 2020

Firecracker is open source, and there are a number of projects that make it easy to work with outside of the AWS environment too, including Weave Firekube (disclaimer: Accel is an investor in Weaveworks). for block IO, process scheduling and memory management, and the TUN/TAP virtual network interfaces).

Serverless 101

Serverless Virtualization Lambda AWS 101

Smashing Magazine

JANUARY 7, 2019

To get a good first impression of how your competitors perform, you can use Chrome UX Report ( CrUX , a ready-made RUM data set, video introduction by Ilya Grigorik), Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). 150ms RTT, 1.5 Mbps down, 0.7

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

AUGUST 3, 2023

This could be an image, a block of text, or even an embedded video. You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. Download Time of HTML This is the time it takes to download the page’s HTML file.

Performance 74

Performance Cache Traffic Metrics 74

Testsigma

APRIL 13, 2021

It is safe, fast, compatible, open-source, and easy to learn. During compatibility testing of an application, we check the compatibility of the application with multiple devices, hardware, software versions, network, operating systems, and browsers, etc. Such layout related issues can be detected during automated UI testing.

Testing 84

Testing Hardware Mobile Testing Tools 84

The Morning Paper

NOVEMBER 19, 2019

It should work without a network. One of the fruits of this work is an open-source JavaScript CDRT implementation called Automerge which brings CRDT-style merge operations to JSON documents. Used in conjunction with the dat:// networking stack the result is Hypermerge. It should work across multiple devices.

Cloud 83

Cloud Software Software Internet 83

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 52

Performance Latency Cache Virtualization 52

Particular Software

DECEMBER 9, 2019

Unfortunately, the network operations had a cruel surprise for us. This maxim applies just as well to servers and networks as it does to the entirety of existence. In any interesting business environment, we try to think in terms of server and network diagrams that do not change. And so we started it all again.

Wireless 52

Wireless DevOps Infrastructure Network 52

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. Download today.

Best Practices 52

Best Practices Design Tuning Database 52

Alex Russell

AUGUST 30, 2021

WebKit is an open-source web engine that allows Apple to enable improvements contributed by third parties. Apple's Open Source Claim #. The open source nature of WebKit is indisputable as a legal technicality. It's worth assessing these claims from most easily falsified to most contested. " pantomime.

Engineering 98

Engineering Open Source Website Operating System 98

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 52

Performance Latency Hardware Storage 52

Rigor

SEPTEMBER 11, 2019

Follow him on Twitter @ RickByers and be sure to watch the video of his conversation at Chrome Dev Summit 2016 , where he discussed the ways Chrome is “improving predictability for developers.” Check out his how-to videos on his YouTube channel as well as his performance related dispatches on Twitter @ paulcalvano.

Performance 89

Performance Education Google Website 89

Smashing Magazine

APRIL 29, 2021

Lazy-load offscreen images (reduce network contention for key resources). For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS. Lighthouse is an open-source, automated tool for improving the quality of web pages. Lighthouse. Large preview ).

Media 145

Media Network Metrics Mobile 145

Smashing Magazine

JUNE 2, 2021

The project consisted of upgrading the shop software to our own open-source system and redoing the shop’s front end from scratch. Of course, a shop needs interactive elements , be it product image zooming, some videos, a countdown to today’s shipping deadline, or a chat window to get in contact with customer support.

Performance 115

Performance Cache Website Mobile 115

The Netflix TechBlog

APRIL 29, 2019

We use Python through the full content lifecycle, from deciding which content to fund all the way to operating the CDN that serves the final video to 148 million members. We use and contribute to many open-source Python packages, some of which are mentioned below. video streaming) takes place in the Open Connect network.

Open Source 279

Open Source Network Infrastructure Big Data 279