The Netflix TechBlog

DECEMBER 7, 2020

by Zhi Li, Kyle Swanson, Christos Bampis, Lukáš Krasula and Anne Aaron Over the past few years, we have been striving to make VMAF a more usable tool not just for Netflix, but for the video community at large. VMAF is a video quality metric that Netflix jointly developed with a number of university collaborators and open-sourced on Github.

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Metrics Open Source Tuning Speed 154

The Netflix TechBlog

DECEMBER 3, 2019

by David Berg , Ravi Kiran Chirravuri , Romain Cledat , Savin Goyal , Ferras Hamad , Ville Tuulos tl;dr Metaflow is now open-source! Netflix applies data science to hundreds of use cases across the company, including optimizing content delivery and video encoding. Get started at metaflow.org.

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The Netflix TechBlog

NOVEMBER 2, 2021

Moorthy and Zhi Li Introduction Measuring video quality at scale is an essential component of the Netflix streaming pipeline. Perceptual quality measurements are used to drive video encoding optimizations , perform video codec comparisons , carry out A/B testing and optimize streaming QoE decisions to mention a few.

Media 171

Media Innovation Metrics Latency 171

Testsigma

JANUARY 31, 2022

We’re thrilled to announce the launch of Testsigma Community Edition , the first ever open source test automation platform that works out of the box for web and mobile apps, and APIs. This includes an integrated automation engine, test development and test runner modules, and some cool new customization features.

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Open Source Mobile Scalability Testing 81

Smashing Magazine

SEPTEMBER 17, 2021

Monetize Open-Source Software With Gatsby Functions And Stripe. Monetize Open-Source Software With Gatsby Functions And Stripe. In this article, I’ll be explaining how I’ve used Gatsby Functions and the Stripe API to enable secure “Pay what you want” contributions that help fund my open-source project MDX Embed.

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Open Source Serverless Software Software 114

Dynatrace

DECEMBER 8, 2022

Rob Jahn, Dynatrace senior technical partner manager, and Andreas Grabner, Dynatrace DevOps activist discussed the role of platform engineers in the video “ Deploy, Test, Evaluate, Repeat : The Power of Webhooks for DevOps Platforms Engineers.” Open source automated browser and testing tool. Kubernetes.

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DevOps Engineering Testing Open Source 184

DZone

NOVEMBER 11, 2019

Find out how to run video streaming performance tests! Using open-source tools to stress test video streaming at scale.

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Performance Testing Open Source Testing Performance 100

Alex Podelko

APRIL 18, 2021

MongoDB has the most advanced continuous performance testing I know about. MongoDB shared a lot of information on how we do performance testing and even open sourced some parts of it. Continuous performance testing is built on the top of Evergreen. If I missed something interesting, please let me know.]

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Performance Testing Performance Testing Education 182

Smashing Magazine

FEBRUARY 15, 2021

Optimizing Video For Size And Quality. Optimizing Video For Size And Quality. Over the last few years, more and more projects are using video as an integral part of the application. However, it all goes sideways when there are issues related to the video playback. Doug Sillars. 2021-02-15T15:00:00+00:00. Real-World Data.

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Network Speed Website Mobile 143

The Netflix TechBlog

OCTOBER 14, 2021

by Joel Sole, Mariana Afonso, Lukas Krasula, Zhi Li, and Pulkit Tandon Introducing the banding artifacts detector developed by Netflix aiming at further improving the delivered video quality Banding artifacts can be pretty annoying. Just a subtle change in the video signal can cause banding artifacts. Banding artifact?

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Open Source Metrics Government Systems 195

Dynatrace

JANUARY 5, 2022

Credits on content go to him and the work he has been doing around performance & resiliency testing automation. Our Application Performance Management (APM) and load test team at T-Systems MMS helps our customers reduce the risk of failed releases. Automation : Single load test executions can be repeated and tracked.

Testing 210

Testing Open Source Metrics Infrastructure 210

Abstracta

NOVEMBER 4, 2019

Using open source tools to stress test video streaming at scale In this post, I want to share something that we have been working on with BlazeMeter for. The post How to Run Video Streaming Performance Tests with the HLS Plugin for JMeter appeared first on Abstracta Software Testing Services.

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Performance Testing Testing Open Source Performance 73

Dynatrace

JULY 16, 2021

Many of our users are performance engineers using Cloud Automation Quality Gates to automate the analysis of their performance and load tests – saving hours of analysis time for each test they run. The innovative technology powering these recent and future use cases comes from Keptn , our recognized CNCF open-source project.

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DevOps Open Source Cloud Azure 242

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.

Media 246

Media Open Source Efficiency Software Engineering 246

Dynatrace

MAY 7, 2024

If you’d like to learn more about the updates, don’t miss Henrik’s video: Fluent Bit 3.0 Use the Expect plugin Start small and test that you’re achieving what you expect by using the Expect plugin , a gatekeeper that helps your pipeline be more efficient by blocking content that doesn’t follow the rules you put in place.

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Best Practices IoT Metrics Storage 235

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

Smashing Magazine

MARCH 2, 2021

The State Of Mobile And Why Mobile Web Testing Matters. The State Of Mobile And Why Mobile Web Testing Matters. And to ensure the quality of a product, we always need to test — on a number of devices, and in a number of conditions. Also, there was a 65% increase in video consumption on mobile devices in 2020.

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Mobile Testing Website Benchmarking 133

Dynatrace

FEBRUARY 3, 2020

In December Dynatrace announced Keptn , an open-source pluggable control plane enabling autonomous software delivery and operations for cloud-native applications. After you claimed your credit follow these 5 steps to test drive Keptn: Step 1: Setup your GKE Cluster. Just follow the Keptn sizing and setup guidelines for GKE.

Cloud 216

Cloud Open Source Google Scalability 216

Dynatrace

FEBRUARY 1, 2022

In this preview video for Dynatrace Perform 2022, I talk to Ajay Gandhi, VP of product marketing at Dynatrace, about how adding a vulnerability management strategy to your DevSecOps practices can be key to handling threats posed by vulnerabilities. ?. Teams can then identify all affected apps in their environment in real-time.”.

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Strategy Games DevOps Open Source 195

Dynatrace

OCTOBER 11, 2021

GCF pairs well with Google Cloud Build, which enables testing and other CI/CD tasks based on functions originating in GCF. Avoid lock-in with open-source technologies. On the processing side, GCF functions can interface with Google’s own AI/ML technologies to inspect video and image content.

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Google Cloud Serverless Azure 214

The Netflix TechBlog

MAY 21, 2019

using RL agents for test case scheduling By: Stanislav Kirdey , Kevin Cureton , Scott Rick , Sankar Ramanathan Introduction Netflix brings delightful customer experiences to homes on a variety of devices that continues to grow each day. Detect a regression in a test case. These problems could be solved in several different ways.

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Testing AWS Lambda Network 163

Dynatrace

MARCH 3, 2020

One way to apply improvements is transforming the way application performance engineering and testing is done. This involves new software delivery models, adapting to complex software architectures, and embracing automation for analysis and testing. Check out Dynatrace’s Load testing tool integration. Get started today! .

Performance 236

Performance Education Innovation Software Architecture 236

Smashing Magazine

NOVEMBER 5, 2018

Improve Animated GIF Performance With HTML5 Video. Improve Animated GIF Performance With HTML5 Video. Each frame in the animation is restricted to a palette of just 256 colors, and over the years, advances in compression technology has made leading to several improvements the way animations and video files are compressed and used.

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Performance Website C++ Open Source 59

The Netflix TechBlog

FEBRUARY 13, 2020

Using the framework we have open sourced, AVIF compression efficiency can be seen at work and compared against a whole range of image codecs that came before it. With the motion extension, it was accepted as the video coding standard for digital cinema in 2004. High-Efficiency Video Coding ( HEVC ) is the successor of H.264,

Code 212

Code Metrics Efficiency Open Source 212

Testsigma

APRIL 16, 2021

Android developers and testers perform mobile tests to deliver apps that drive a high user retention rate through a great user interface. While mobile automation tests are performed for Android, iOS, and Windows devices, in this post, we’ll dive into the UI frameworks for Android automation testing. The Importance Of UI Testing.

Testing 52

Testing Open Source Mobile Java 52

Dynatrace

MARCH 19, 2020

The design concepts were tested and feedback was requested from the UX enablement guild. Then we decided to record a short video, describing the problems and clicking through our prototype with a bit of explanation. This concept is demonstrated in the video below: [link]. This concept is demonstrated in the video below: [link].

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Open Source Design Speed Mobile 175

Testsigma

FEBRUARY 19, 2021

With the rising competition in the app industry, mobile testing without automation seems out of the picture. You can’t imagine frequent deployments or a faster time to market without automating your tests. Appium is a commonly used test automation framework for testing both Android and iOS apps. Source: Medium.com.

Testing Tools 57

Testing Tools Mobile Testing Java 57

Dynatrace

NOVEMBER 19, 2020

One highlight from the conference was the introduction of the open-source project called Keptn which Dynatrace is leading. The Jenkins to Keptn integration was explained and demoed in one of our Performance Clinic videos; “. Performance test is run. Create a synthetic monitor that matches the deployed application.

Software 141

Software Software DevOps Open Source 141

Dynatrace

SEPTEMBER 4, 2020

“This is a mouthful of buzzwords” is how I started my recent presentations at the Online Kubernetes Meetup as well as the DevOps Fusion 2020 Online Conference when explaining the three big challenges we are trying to solve with Keptn – our CNCF Open Source project: Automate build validation through SLI/SLO-based Quality Gates.

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DevOps Metrics Innovation Azure 243

The Netflix TechBlog

FEBRUARY 14, 2020

Below, we discuss how we’ve built upon our previous work of harvesting static images directly from video source files and our computer vision algorithms to produce a set of artwork candidates that covers the major product canvases for the entire content catalog. The whole process can be divided into two parts Generation Review 1.

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Design Open Source C++ Availability 182

The Netflix TechBlog

OCTOBER 19, 2020

Investigating a video streaming failure consists of inspecting all aspects of a member account. Troubleshooting a session in Edgar When we started building Edgar four years ago, there were very few open-source distributed tracing systems that satisfied our needs. which is difficult when troubleshooting distributed systems.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Testsigma

JANUARY 7, 2022

2014 saw the trend of mobile app testing as they were becoming a multi-billion dollar business all over the world. 2015 saw the trend of scriptless testing and IoT focussed methodologies. So the trend of mobile web testing came into the picture. AI and Machine learning-based testing.

Artificial Intelligence 89

Artificial Intelligence IoT Software Software 89

Dynatrace

APRIL 16, 2021

Whether these are open-source developers I meet through my work on the CNCF project Keptn or Dynatrace partners and customers who I try to help get the most out of their investment in our Software Intelligence platform. Leverage the Open Source SDK from David Lopes. Now go and “observe” your Python app.

Monitoring 149

Monitoring Open Source Best Practices DevOps 149

Testsigma

JULY 24, 2021

To guarantee your apps or sites run as designed on multiple devices, it’s vital to test them before shipping them. And to give you the power of testing with speed and for increased test efficiency — automation testing is the way to go. Best Automation Testing Tools for Web and Mobile.

Testing Tools 52

Testing Tools Mobile Testing Entertainment 52

Testsigma

APRIL 13, 2021

So how do the testing community ensure that this love for iPhone and iOS apps grows manifolds with time? With quality testing and automation, we can ensure the iPhone provides the best experience to its loyal users. In this article, we will be looking at mobile testing for iOS. Unit Testing.

Testing 84

Testing Hardware Mobile Testing Tools 84

Testsigma

SEPTEMBER 23, 2021

The whole point of cross-browser testing is to deliver consistent user experiences across various browsers. When we build websites or web apps, some of their features aren’t compatible with some browsers; with cross-browser testing, we can ensure uniform experiences. Picture source: Hostucan. Picture source: Testsigma.

Testing 52

Testing Analytics Testing Tools Website 52

Testsigma

DECEMBER 20, 2019

Software Testing has changed a lot! Earlier, manual testing ruled the world of testing, however, test automation increasingly became a reality in most organizations developing software. Testing continued to evolve, and it took advantage of technology innovations. Traditional test automation: What is it?

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Artificial Intelligence Testing Healthcare Innovation 54