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

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 126

Cache Performance Servers Social Media 126

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

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

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

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 224

Engineering Entertainment Cloud Infrastructure 224

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

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

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

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

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

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

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

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

Apica

APRIL 1, 2022

We heard from customers and the market that there was a need for more in-depth visibility into desktop applications and how they perform. 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. 3270 Terminal.

Monitoring 52

Monitoring Traffic Network Innovation 52

Testsigma

AUGUST 12, 2021

Owing to how we consume content and perform our day-to-day functions now, businesses are optimizing web apps and how! To ensure our web app performs as intended across various devices and browsers — we have to test our web app. It also takes screenshots and videos of bugs and crashes. are still in use. Source: StatCounter.

Testing 102

Testing Testing Tools Mobile Cloud 102

Brendan Gregg

DECEMBER 31, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. Fortunately, it was videoed for those who missed it. Fortunately, it was videoed for those who missed it. Networking. We help where we can. schedtool –B PID. Virtual Memory. File System.

Tuning 61

Tuning AWS Best Practices Network 61

Brendan Gregg

DECEMBER 30, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. Fortunately, it was videoed for those who missed it. Fortunately, it was videoed for those who missed it. Networking. We help where we can. schedtool –B PID. Virtual Memory. File System.

Tuning 52

Tuning AWS Best Practices Network 52

The Netflix TechBlog

JUNE 4, 2019

However, the key insight here is that these caches are partially shared among the CPUs, which means that perfect performance isolation of co-hosted containers is not possible. Traditionally it has been the responsibility of the operating system’s task scheduler to mitigate this performance isolation problem. Linux to the rescue?

Cache 251

Cache Latency Airlines Logistics 251

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. This is where a well-architected Content Delivery Network (CDN) shines. This is where a well-architected Content Delivery Network (CDN) shines.

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. This is where a well-architected Content Delivery Network (CDN) shines. This is where a well-architected Content Delivery Network (CDN) shines.

Architecture 52

Architecture Performance Internet Internet 52

Smashing Magazine

AUGUST 23, 2019

This feature, supported by each of the larger servers (Apache, IIS, nginx), is mainly used for video playback. If a user jumps to the end of a video, it would not be very efficient to load the complete video before the user can finally see the desired part. Network console when loading the preview image ( Large preview ).

Network 103

Network Servers Programming Code 103

ACM Sigarch

APRIL 26, 2018

TFLOPS deep learning performance, and is equipped with 32GB of high-bandwidth memory (HBM) capacity. The new DGX-2, which achieves 2 petaFLOPS in the system, combines 16 fully interconnected GPUS with 10x the deep learning performance. TPU: Tensor Processing Unit (TPU) is Google’s specialized hardware for neural network.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

All Things Distributed

FEBRUARY 4, 2014

We’ve reduced AWS prices 27 times since launching 7 years ago, added enterprise service support enhancements, and created innovative tools to help customers be more efficient. I wanted to share a new video with you where our customers discuss this critical behind the scenes function in a little more detail.

AWS 132

AWS Energy Innovation Best Practices 132

Testsigma

APRIL 13, 2021

Interestingly, Xcode provides a testing framework called XCTest to write unit tests, performance tests, and UI tests. Unlike unit tests which are tested in isolation, UI testing is performed on the integration of the multiple classes. We can use these documented statistics to improve the testing and application performance.

Testing 84

Testing Hardware Mobile Testing Tools 84

Dotcom-Montior

DECEMBER 8, 2021

are all prone to performance issues and unexpected outages at some point. By ITIL definition, the service desk may take the form of incident resolution or service requests, but whatever the case, the primary goal of the service desk to provide quick and efficient service. Systems, web applications, servers, devices, etc.,

Social Media 90

Social Media Monitoring Latency DevOps 90

Testsigma

FEBRUARY 18, 2020

The primary task machines can perform are learning, reasoning and perception. Also known as Weak AI, the machines are designed to perform a specific set of tasks. At this stage, the machine does not possess any thinking ability, they just perform a set of pre-defined functions. Artificial Narrow Intelligence.

Artificial Intelligence 52

Artificial Intelligence Healthcare Programming Logistics 52

All Things Distributed

SEPTEMBER 5, 2013

Meanwhile, mobile app developers have shown that they care a lot about getting to market quickly, the ability to easily scale their app from 100 users to 1 million users on day 1, and the extreme low latency database performance that is crucial to ensure a great end-user experience. Calculate great circle distances and perform spherical math.

Big Data 98

Big Data Mobile Latency Database 98

KeyCDN

SEPTEMBER 20, 2018

Error tracking is a vital component to any web project because it helps you pinpoint performance problems before they get out of hand. 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.

Strategy 67

Strategy Monitoring Website Google 67

Dean Hume

AUGUST 8, 2017

If you haven’t had the chance to watch it yet, Paul Lewis put together an awesome video series that demonstrates how to build a media player alongside some of the great features of Progressive Web Apps. There are a series of videos on YouTube that take place over a couple of days as he builds each new part of the site. Getting Started.

Code 58

Code Website Media Efficiency 58

Smashing Magazine

NOVEMBER 22, 2021

Improving The Performance Of Wix Websites (Case Study). Improving The Performance Of Wix Websites (Case Study). It was at this point that we realized we needed to make a significant change in our approach towards performance, and that we must embrace performance as part of our culture. Dan Shappir. Large preview ).

Website 126

Website Performance Google Media 126

Dynatrace

JUNE 1, 2023

Service level objectives (SLOs) provide a powerful framework for measuring and maintaining software performance, reliability, and user satisfaction. SLOs are a valuable tool for organizations to ensure the health and performance of their applications. But how do you get started, and what are some service level objective examples?

Latency 175

Latency Website Traffic Virtualization 175

Dynatrace

JUNE 1, 2023

Service level objectives (SLOs) provide a powerful framework for measuring and maintaining software performance, reliability, and user satisfaction. Teams can build on these SLO examples to improve application performance and reliability. In this post, I’ll lay out five SLO examples that every DevOps and SRE team should consider.

Traffic 173

Traffic Latency Website Virtualization 173

Smashing Magazine

JUNE 30, 2021

The Problem Of Unpredictable Performance. At the same time, we have a widening performance gap. In terms for performance, these phones have plateaued at the performance of a 2012 iPhone. Applications built for the Web are expected to run on devices that fall anywhere on this broad performance spectrum. Web Workers.

Games 145

Games Architecture Code C++ 145

The Morning Paper

APRIL 11, 2019

In addition, service workers have the ability to intercept and handle network requests (for e.g., caching and pre-loading purposes). There is no low-level networking access, but HTTP request methods and the HTTP body can of course be controlled. No user permission is required to register and maintain a service worker.

Website 44

Website Network Traffic Cache 44

Dean Hume

AUGUST 8, 2017

If you haven’t had the chance to watch it yet, Paul Lewis put together an awesome video series that demonstrates how to build a media player alongside some of the great features of Progressive Web Apps. There are a series of videos on YouTube that take place over a couple of days as he builds each new part of the site. Getting Started.

Code 40

Code Website Media Efficiency 40

Dean Hume

AUGUST 8, 2017

If you haven’t had the chance to watch it yet, Paul Lewis put together an awesome video series that demonstrates how to build a media player alongside some of the great features of Progressive Web Apps. There are a series of videos on YouTube that take place over a couple of days as he builds each new part of the site. Getting Started.

Code 40

Code Website Media Efficiency 40