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.

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The Netflix TechBlog

FEBRUARY 13, 2023

We have been leveraging machine learning (ML) models to personalize artwork and to help our creatives create promotional content efficiently. In addition, we provide a unified library that enables ML practitioners to seamlessly access video, audio, image, and various text-based assets.

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The Netflix TechBlog

SEPTEMBER 24, 2021

After content ingestion, inspection and encoding, the packaging step encapsulates encoded video and audio in codec agnostic container formats and provides features such as audio video synchronization, random access and DRM protection. It is worth pointing out that cloud processing is always subject to variable network conditions.

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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. Open Connect Open Connect is Netflix’s content delivery network (CDN). video streaming) takes place in the Open Connect network. are you logged in?

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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.

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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.

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Media Open Source Mobile Hardware 169

The Netflix TechBlog

SEPTEMBER 2, 2020

Edgar helps Netflix teams troubleshoot distributed systems efficiently with the help of a summarized presentation of request tracing, logs, analysis, and metadata. A span: Represents a unit of work, such as a network call from one service to another (a client/server relationship) or a purely internal action (e.g., What is Edgar?

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The Netflix TechBlog

SEPTEMBER 18, 2020

They are continuously innovating compression algorithms to efficiently send high quality audio and video files to our customers over the internet. I focus on improving experimentation methodology to test how well the newest files are working: do they need less bits to stream while providing a higher video quality? benefit more?

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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].

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Dynatrace

AUGUST 1, 2022

For example, let’s say you have an idea for a new social network and decide to use Kubernetes as your container management platform. You also decide to run your database for storing user uploads – such as images or videos – directly in Kubernetes. Dynatrace’s PVCs extension enables you to make efficient use of your resources.

Storage 200

Storage Database Network Metrics 200

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 204

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Dynatrace

JUNE 21, 2024

They collect data from multiple sources through real user monitoring , synthetic monitoring, network monitoring, and application performance monitoring systems. This allows ITOps to measure each user journey’s effectiveness and efficiency.

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Best Practices Monitoring Metrics Transportation 213

Dynatrace

OCTOBER 16, 2024

An example of this is shown in the video above, where we incorporated network-related metrics into the Kubernetes cluster dashboard. By incorporating a new tile, you can integrate these logs into your dashboard along with key metrics, such as the new Kubernetes network metrics we added earlier.

Social Media 205

Social Media Metrics Network Analytics 205

Dynatrace

JUNE 1, 2023

This SLO highlights the importance of a smooth and efficient checkout experience. for the workout video playback feature. The ApDex SLO ensures that users have a positive experience when watching workout videos within the fitness app. Fitness app : The fitness app should maintain a success rate of 98% for workout video playback.

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The Netflix TechBlog

OCTOBER 8, 2024

Rajiv Shringi Vinay Chella Kaidan Fullerton Oleksii Tkachuk Joey Lynch Introduction As Netflix continues to expand and diversify into various sectors like Video on Demand and Gaming , the ability to ingest and store vast amounts of temporal data — often reaching petabytes — with millisecond access latency has become increasingly vital.

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The Netflix TechBlog

APRIL 26, 2022

Figure 1: Netflix ML Architecture Fact: A fact is data about our members or videos. An example of data about members is the video they had watched or added to their My List. An example of video data is video metadata, like the length of a video. Pay the storage, network, and compute cost.

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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.

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Infrastructure Transportation Storage Open Source 239

High Scalability

OCTOBER 5, 2018

They'll love it and you'll be their hero forever. They'll love it and you'll be their hero forever.

Internet 156

Internet Internet Scalability Software Engineering 156

Dynatrace

JUNE 1, 2023

This SLO example highlights the importance of a smooth and efficient checkout experience. for the workout video playback feature. The ApDex SLO ensures that users have a positive experience when watching workout videos within the fitness app. E-commerce website: For an e-commerce website, maintain an ApDex score of 0.9

Traffic 173

Traffic Website Latency Virtualization 173

The Netflix TechBlog

DECEMBER 2, 2019

To do this, we have teams of experts that develop more efficient video and audio encodes , refine the adaptive streaming algorithm , and optimize content placement on the distributed servers that host the shows and movies that you watch. Often times simply moving the mean or median of a metric is not the experimenter’s goal.

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The Netflix TechBlog

DECEMBER 2, 2019

To do this, we have teams of experts that develop more efficient video and audio encodes , refine the adaptive streaming algorithm , and optimize content placement on the distributed servers that host the shows and movies that you watch. Often times simply moving the mean or median of a metric is not the experimenter’s goal.

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The Netflix TechBlog

JULY 20, 2020

The application is a combination of neural embeddings , which encode the semantic information in words and sentences, and locality sensitive hashing , which efficiently assigns approximately nearby items to the same buckets and faraway items to different buckets. 0.3, -0.5, -0.7, and “problem authenticating” might be [0.1, 0.35, -0.5, -0.7,

Development 188

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The Netflix TechBlog

DECEMBER 2, 2019

To do this, we have teams of experts that develop more efficient video and audio encodes , refine the adaptive streaming algorithm , and optimize content placement on the distributed servers that host the shows and movies that you watch. Often times simply moving the mean or median of a metric is not the experimenter’s goal.

Metrics 130

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The Netflix TechBlog

DECEMBER 23, 2020

everything from the frontend API for netflix.com, to machine learning training workloads, to video encoders. This abstraction allows the compute team to influence the reliability, efficiency, and operability of the fleet via the scheduler. We do this for reliability, scalability, and efficiency reasons.

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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.

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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. Every month, we run millions of containers on thousands of machines on Titus, serving hundreds of internal applications and customers.

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VoltDB

APRIL 25, 2024

To move as fast as they can at scale while protecting mission-critical data, more and more organizations are investing in private 5G networks, also known as private cellular networks or just “private 5G” (not to be confused with virtual private networks, which are something totally different). What is a private 5G network?

Network 52

Network IoT Wireless Infrastructure 52

Brendan Gregg

NOVEMBER 29, 2017

Paravirtualization**: The hypervisor provides efficient hypercalls, and the guest OS uses drivers and kernel modifications to call these hypercalls. Enter paravirtualization, originally introduced in Xen, where the guest has been modified to be aware of the hypervisor and to make efficient hypercalls. The AMI and boot are now HVM.

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The Netflix TechBlog

SEPTEMBER 22, 2021

In other types of experiments, we might focus on more technical metrics, such as the time it takes the app to load, or the quality of video we are able to provide under different network conditions. How do we most efficiently analyze the data? Figure 2: A simple A/B test. There’s a lot of statistics involved as well?—?how

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Testing Entertainment Metrics Social Media 246

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 122

Database Logistics Availability Social Media 122

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 104

AWS Innovation Energy Best Practices 104

Alex Russell

APRIL 29, 2021

Next-generation video codecs, supported in many modern chips, but also a licensing minefield. Necessary for building competitive video experiences, including messaging and videoconferencing. Real-time network protocols for enabling videoconferencing, desktop sharing, and game streaming applications. Where iOS Has Lagged.

Media 145

Media Games Education Engineering 145

Tim Kadlec

JANUARY 9, 2019

Sites that use an excess of resources, whether on the network or on the device, don’t just cause slow experiences, but can leave entire groups of people out. Similarly, there is a growing gap between what a top of the line network connection can handle and what someone with a poor mobile connection or satellite connection can handle.

Performance 111

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All Things Distributed

MARCH 11, 2016

AWS needed to be very conscious as a service provider about our costs so that we could afford to offer our services to customers and identify areas where we could drive operational efficiencies to cut costs further, and then offer those savings back to our customers in the form of lower prices. The importance of the network.

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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 ).

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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

Smashing Magazine

JULY 29, 2019

Failing that, we are usually able to connect to home or public WiFi networks that are on fast broadband connections and have effectively unlimited data. The speed of mobile networks, too, varies considerably between countries. As for mobile network connection type, 84.7% Kyrgyzstan, Kazakhstan and Ukraine follow at $0.27, $0.49

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