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

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

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

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

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

KeyCDN

SEPTEMBER 20, 2018

Error monitoring can get increasingly complicated as you deal with bugs reported by users and your production team, which is why having an efficient error tracking workflow from the beginning is so important. Sentry Sentry is a bit different from the other error tracking tools in that it is open source.

Strategy 67

Strategy Monitoring Website Google 67

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

O'Reilly

NOVEMBER 28, 2023

16% of respondents working with AI are using open source models. Many of the new open source models are much smaller and not as resource intensive but still deliver good results (especially when trained for a specific application). Open source models are a large and diverse group.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

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

NOVEMBER 22, 2021

In order to create change across our entire organization, we needed to get all the relevant employees, partners, and even customers up to speed about performance quickly and efficiently. This includes features like videos and animations, sophisticated interactions, and greater customization. Creating A Performance Culture.

Website 126

Website Performance Google Media 126

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. An often used metaphor is that of a pipe used to transport water. Congestion Control.

Performance 105

Performance Network Latency Servers 105

O'Reilly

SEPTEMBER 19, 2023

And that brings our story to the present day: Stage 3: Neural networks High-end video games required high-end video cards. Their research has applied evolutionary algorithms to groups that need efficient ways to manage finite, time-based resources such as classrooms and factory equipment.

Hardware 99

Hardware Storage Big Data Blockchain 99

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

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. But is HR cost efficiency for Apple the most important feature of a web engine?

Engineering 98

Engineering Open Source Website Operating System 98

All Things Distributed

AUGUST 20, 2015

Developers need efficient methods to store, traverse, and query these relationships. Social media apps navigate relationships between friends, photos, videos, pages, and followers. The combination of Titan with DynamoDB is now powering Amazon’s fulfillment network, with a multi-terabyte dataset. Graph databases at Amazon.

Database 134

Database Logistics Availability Social Media 134

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

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

All Things Distributed

OCTOBER 12, 2016

There are some great examples and use cases for Redis, which you can see at companies like Hudl, which offers mobile and desktop video analytics solutions to sports teams and athletes. All these capabilities are available to customers at no additional charge, and maintain open-source Redis compatibility. Building upon Redis.

Scalability 130

Scalability Analytics Cache AWS 130

Alex Russell

JUNE 20, 2020

rich multimedia (animations, video, audio). full TCP/IP & UDP networking, including local network discovery. Huge reach, plus the licensing of On2's video codecs , made Flash the default video delivery mechanism for many years. a lab's worth of sensors , including: cameras (both still and video).

Hardware 55

Hardware Games Java Media 55

Rigor

OCTOBER 30, 2019

When evaluating your performance solution requirements, keep in mind that: Maintaining performant sites and applications requires you to efficiently gather and analyze data points over time. Maintaining performant sites and applications requires you to efficiently gather and analyze data points over time.

Google 51

Google Best Practices Energy Website 51

Smashing Magazine

OCTOBER 22, 2021

The first prototype was built using the open-source game engine Phaser.js , mostly for the included physics engine and because I already had some experience with it. Continue reading below ↓ Meet Smashing Online Workshops on front-end & UX , with practical takeaways, live sessions, video recordings and a friendly Q&A.

Games 94

Games Servers Database Virtualization 94

Smashing Magazine

NOVEMBER 17, 2022

As you may already know, image optimization is the process that a high-quality image has to go through to be delivered in ideal conditions, sometimes with the help of an Image Transformation API and a global Content Delivery Network (CDN) to make the process simpler and scalable. The Relation Between Images And Web Performance.

Media 105

Media Cache Website Mobile 105

Smashing Magazine

JUNE 8, 2021

To be effective, all these images need to be carefully orchestrated to appear on the screen fast — but as it turns out, loading images efficiently at scale isn’t a project for a quiet afternoon. Next to videos, images are the heaviest, most requested assets on the web. Keeping this efficient helps ensure a good user experience.

Media 105

Media Cache Google Best Practices 105

Smashing Magazine

APRIL 28, 2021

To be effective, all these images need to be carefully orchestrated to appear on the screen fast — but as it turns out, loading images efficiently at scale isn’t a project for a quiet afternoon. Next to videos, images are the heaviest, most requested assets on the web. Keeping this efficient helps ensure a good user experience.

Media 92

Media Cache Google Best Practices 92

Smashing Magazine

APRIL 29, 2021

Use srcset + efficient modern image formats. 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.

Media 145

Media Network Metrics Mobile 145

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

Smashing Magazine

SEPTEMBER 29, 2021

Users appreciate high-quality visuals, but care needs to be taken to deliver those hero images, product photos and cat memes as efficiently and effectively as possible. The efficiency of a codec can be mainly measured by how much compression it can achieve. However, you should ideally replace such images with videos.

Open Source 144

Open Source Speed Website Google 144

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

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