Netflixにおける日本語字幕の導入

Netflixでは、2015年9月の日本における配信サービス開始時から日本語字幕を提供して …

Analytics at Netflix: Who we are and what we do

by Molly Jackman & Meghana Reddy Explained: Season 1 (Photo Credit: Netflix) Across nearly every industry, there is recognition that data analytics is key to driving informed business decision-making. But there is far less agreement on what that term “data analytics” actually means — or what to call the people responsible for the work. Even within…

Building a Rule-Based Platform to Manage Netflix Membership SKUs at Scale

At Netflix, we aspire to entertain the world. From mailing DVDs in the US to a global streaming service with over 200 million subscribers across 190 countries, we have come a long way. For the longest time, Netflix had three plans (basic/standard/premium)…

Open Sourcing the Netflix Domain Graph Service Framework: GraphQL for Spring Boot

Netflix has developed a Domain Graph Service (DGS) framework and it is now open source. The DGS framework simplifies the implementation of GraphQL, both for standalone and federated GraphQL services. Our framework is battle-hardened by our…

Hyper Scale VPC Flow Logs enrichment to provide Network Insight

The Cloud Network Infrastructure that Netflix utilizes today is a large distributed ecosystem that consists of specialized functional tiers and services such as DirectConnect, VPC Peering, Transit Gateways, NAT Gateways, etc. While we strive to keep the ecosystem simple, the inherent nature of leveraging…

Open-Sourcing riskquant, a library for quantifying risk

Engineers Making Movies (AKA Open Source Test Content)

If you’re a die-hard Netflix fan, you may have already stumbled onto the dark and brooding story of a timeless struggle between man and nature, water and fountain, ball and tether known much more plainly as Example Short. In the good old days of…

Telltale: Netflix Application Monitoring Simplified

Our Telltale Vision An alert fires and you get paged in the middle of the night. A metric crossed a threshold. You’re half awake and wondering, “Is there really a problem or is this just an alert…

Announcing the Netflix Post Technology Alliance

You’re working on the next great show or film that will deliver to Netflix. You know Netflix has a high quality bar for its content and you want the delivery to go smoothly. Do you know if the tools you have invested in can…

The End of Video Coding?

In the IEEE Signal Processing Magazine issue November 2006 article “Future of Video Coding and Transmission” Prof. Edward Delp started by asking the panelists “Is video coding dead? Some feel that, with the higher coding efficiency of the H.264/MPEG-4 . . . perhaps there is not much more to do…

Page Simulator

At Netflix, we spend a lot of effort to make it easy for our members to find content they will love. To make this happen, we personalize many aspects of our service, including…

Byte Down: Making Netflix’s Data Infrastructure Cost-Effective

Background on data efficiency At Netflix, we invest heavily in our data infrastructure which is composed of dozens of data platforms, hundreds of data producers and consumers, and petabytes of data. At many other organizations, an effective way to manage data infrastructure costs is to…

Detecting Performance Anomalies in External Firmware Deployments

Netflix has over 139M members streaming on more than half a billion devices spanning over 1,700 different types of devices from hundreds of brands. This diverse device ecosystem results in a high dimensionality feature space, often with sparse data, and can make identifying device performance issues challenging…

Netflix Studio Engineering Overview

Netflix is revolutionizing the way a modern studio operates. Our mission in Studio Engineering is to build a unified, global, and digital studio that powers the effective production of amazing content. Studio Engineering at Netflix …

Bringing Rich Experiences to Memory-constrained TV Devices

Netflix has over 148M paid members streaming on more than half a billion devices spanning over 1,900 different types. In the TV space alone, there are hundreds of device types that run the Netflix app. We need to support the same rich Netflix…

Pseudo Localization @ Netflix

In the past 8 years Netflix has transformed from an English-only product, to now supporting 26 languages and growing. As we add language support for our members residing in 190 different countries, scaling globalization at Netflix has never been more important. Along the way we’ve built out…

Open Sourcing Mantis: A Platform For Building Cost-Effective, Realtime, Operations-Focused…

Today we’re excited to announce that we’re open sourcing Mantis, a platform that helps Netflix engineers better understand the behavior of their applications to ensure the highest quality experience for our members. We…

Growth Engineering at Netflix- Creating a Scalable Offers Platform

Background Netflix has been offering streaming video-on-demand (SVOD) for over 10 years. Throughout that time we’ve primarily relied on 3 plans (Basic, Standard, & Premium), combined with the 30-day free trial to drive global customer acquisition. The world has changed a lot in this time. Competition for people’s…

Netflix Cloud Security: Detecting Credential Compromise in AWS

Credential compromise is an important concern for anyone operating in the cloud. The problem becomes more obvious over time, as organizations continue to adopt cloud resources as part of their infrastructure without maintaining an accompanying capability to observe and react to these compromises…

Applying Netflix DevOps Patterns to Windows

By Justin Phelps and Manuel Correa Customizing Windows images at Netflix was a manual, error-prone, and time consuming process. In this blog post, we describe how we improved the methodology, which technologies we leveraged, and how this has improved service deployment and consistency. Artisan Crafted Images In the Netflix…

Extending Vector with eBPF to inspect host and container performance

Improving the tools available to our engineers to help them diagnose, triage, and work through software performance challenges in the cloud is a key goal for the cloud performance engineering team at Netflix. Today we are excited to announce latency…

Empowering the Visual Effects Community with the NetFX Platform

At Netflix, we want to entertain our global membership with series and films from around the world. In line with that, we’re excited to announce NetFX, a cloud-based platform that will make it easier for…

Data Compression for Large-Scale Streaming Experimentation

Ever wonder why Netflix works so well when you’re streaming at home, on the train, or in a foreign hotel? Behind the scenes, Netflix engineers are constantly striving to improve the quality of your streaming service. The…

MezzFS — Mounting object storage in Netflix’s media processing platform

MezzFS (short for “Mezzanine File System”) is a tool we’ve developed at Netflix that mounts cloud objects as local files via FUSE. It’s used extensively in our media processing platform, which includes services like Archer and runs features like…

Improving Experimentation Efficiency at Netflix with Meta Analysis and Optimal Stopping

From living rooms in Bogota, to morning commutes in Tokyo, to beaches in Los Angeles and dorms in Berlin, Netflix strives to bring joy to over 139 million members around the globe and connect people with stories they’ll love. Every bit of the customer…