The Netflix TechBlog

AUGUST 28, 2020

As the number of 4K titles in our catalog continues to grow and more devices support the premium features, we expect these video streams to have an increasing impact on our members and the network. Mbps, is for a 4K animation title episode which can be very efficiently encoded. shot-optimized encoding and 4K VMAF model ?

Network 330

Network Storage Innovation Mobile 330

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.

Latency 177

Latency Website Traffic Virtualization 177

Dynatrace

SEPTEMBER 8, 2023

As you follow along in the video, you’ll notice the ability to determine the day of the week for each transaction and visualize the data in a user-friendly bar chart. This alert serves as a valuable tool in maintaining operational efficiency, ensuring business continuity, and delivering optimal customer experiences.

Database 269

Database Artificial Intelligence Metrics Monitoring 269

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 Latency Website Virtualization 173

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

The Netflix TechBlog

OCTOBER 19, 2020

Investigating a video streaming failure consists of inspecting all aspects of a member account. Our distributed tracing infrastructure is grouped into three sections: tracer library instrumentation, stream processing, and storage. Storage: don’t break the bank! which is difficult when troubleshooting distributed systems.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

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

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.

Virtualization 111

Virtualization AWS Hardware Storage 111

Adrian Cockcroft

NOVEMBER 26, 2023

I’m posting this on the Sunday before re:Invent, and will update as I find out more during the week… Sustainability Track Sessions and Workshops What follows are the catalog descriptions of the talks, after I’ve watched the videos I’ll update this post with my own commentary. This session revisits the pillar and its best practices.

AWS 52

AWS Energy IoT Best Practices 52

All Things Distributed

AUGUST 20, 2015

Today, we are releasing a plugin that allows customers to use the Titan graph engine with Amazon DynamoDB as the backend storage layer. It opens up the possibility to enjoy the value that graph databases bring to relationship-centric use cases, without worrying about managing the underlying storage. The importance of relationships.

Database 134

Database Logistics Availability Social Media 134

Smashing Magazine

SEPTEMBER 28, 2022

Continue reading below ↓ Meet Smashing Online Workshops on front-end & UX , with practical takeaways, live sessions, video recordings and a friendly Q&A. Caching partially stores your data and is not used as permanent storage. Using the cache as permanent storage is an anti-pattern. More after jump! Prefetching.

Performance 125

Performance Cache Servers Social Media 125

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

ACM Sigarch

DECEMBER 6, 2018

As we move beyond individual image and frame-based analysis, it is clear that video data is much richer and including temporal information (across frames) in addition to the spatial aspects (within a frame) adds additional attributes that should be considered in workload/architecture research. Generative and Interactive Visual Workloads.

Wireless 54

Wireless IoT Analytics Architecture 54

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.

Testing 163

Testing AWS Lambda Network 163

Brendan Gregg

DECEMBER 31, 2017

Fortunately, it was videoed for those who missed it. A video of the talk is on youtube : The slides are on slideshare : I love this talk as I get to share more about what the Performance and Operating Systems team at Netflix does, rather than just my work. Storage I/O. File System. Networking. tcp_tw_reuse = 1 net.ipv4.ip_local_port_range

Tuning 61

Tuning AWS Best Practices Network 61

Alex Russell

APRIL 29, 2021

Chrome has missed several APIs for 3+ years: Storage Access API. Next-generation video codecs, supported in many modern chips, but also a licensing minefield. Necessary for building competitive video experiences, including messaging and videoconferencing. Fundamentally enabling for video creation apps. getUserMedia().

Media 145

Media Games Education Engineering 145

All Things Distributed

MARCH 11, 2015

This data is allowing councils to better understand their cities after dark and employ more efficient light management programmes and avoid too much light pollution which can have an adverse effect on residents and wildlife around cities. Cloud enables video analytics. Video is analyzed to help stores understand traffic patterns.

Analytics 135

Analytics Cloud Healthcare Retail 135

Brendan Gregg

DECEMBER 30, 2017

Fortunately, it was videoed for those who missed it. A video of the talk is on youtube : The slides are on slideshare : I love this talk as I get to share more about what the Performance and Operating Systems team at Netflix does, rather than just my work. Storage I/O. File System. Networking. tcp_tw_reuse = 1 net.ipv4.ip_local_port_range

Tuning 52

Tuning AWS Best Practices Network 52

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

Tasktop

MAY 17, 2021

Technology : Improve Flow Efficiency by 10% (this metric is the percentage of time that your Flow Items (features, defects, debt, risk) are actively being worked on compared to the total time spent in the value stream) . Starting with its most pressing problems first, the company was able to: Address the high costs of their cloud storage.

DevOps 59

DevOps Metrics Innovation Storage 59

The Morning Paper

SEPTEMBER 10, 2019

When each of those use cases is powered by a dedicated back-end, investments in better performance, improved scalability and efficiency etc. to understand YouTube video performance) drive tens of thousands of canned (known in advance) queries per second, that need to be served with latency in the tens of milliseconds. are divided.

Analytics 75

Analytics Latency Cache Google 75

Tech News Gather

JUNE 16, 2023

By leveraging the power of mobile technology, UberEats provides a seamless and efficient way for users to order their favorite meals from a wide range of eateries. UberEats also excels in providing a reliable and efficient delivery service. Once an order is placed, it is seamlessly transmitted to the restaurant, where it is prepared.

Social Media 52

Social Media Tuning Strategy Media 52

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Paddy Ganti’s script constructs two URLs (one normal and one blocking the ads), prompts the generation of a video comparison via WebPageTest and reports a delta.

Performance 145

Performance Cache Media Metrics 145

Tim Kadlec

JANUARY 9, 2019

Cennydd also makes the case that performance also has an impact on energy consumption: In 2016, video, tracking scripts and sharing buttons caused the average website to swell to the same size as the original version of Doom. Ballooning bandwidth and storage have fostered complacency that we can do without. Performance is conservation.

Performance 111

Performance Energy Internet Internet 111

Brendan Gregg

NOVEMBER 28, 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.

Virtualization 40

Virtualization AWS Hardware Storage 40

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. ElastiCache for Redis Multi-AZ capability is built to handle any failover case for Redis Cluster with robustness and efficiency. Building upon Redis.

Scalability 130

Scalability Analytics Cache AWS 130

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.

Media 290

Media Storage Infrastructure Systems 290

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. Packaging has always been an important step in media processing.

Cloud 237

Cloud Media Storage Cache 237

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 103

Network Servers Programming Code 103

All Things Distributed

MARCH 11, 2016

This becomes an even more important lesson at scale: for example, as S3 processes trillions and trillions of storage transactions, anything that has even the slightest probability of error will become realistic. If customers have many tiny files, then storage and bandwidth don’t amount to much even if they are making millions of requests.

AWS 144

AWS Hardware Retail Virtualization 144

Dotcom-Montior

MARCH 6, 2022

Users can also watch the actual URL loading video in the browser window. It’s important to mention that within the Dotcom Monitor platform there is a feature that a user can watch the actual URL loading video in the browser window (shown below). This is a good example of a website where efficient caching being used.

Performance 52

Performance Cache Website Speed 52

All Things Distributed

AUGUST 18, 2011

Amazon Elastic MapReduce takes away much of this muck by providing a hosted Hadoop framework that enables businesses, researchers, data analysts, and developers to easily and efficiently spin up resizable clusters for distributed processing of large data sets. However, this cannot be done without efficient, scalable data analytics.

Big Data 111

Big Data Analytics AWS Cloud 111

Testsigma

MARCH 23, 2020

These guidelines can be about coding practices, storage and retrieval of test data and test results, interaction with external resources and many other things. Thus, using a test automation framework makes building a test automation system more efficient. What is a Test Framework? Benefits of a Test Automation Framework.

Testing 52

Testing Programming Media Systems 52

Dotcom-Montior

MAY 6, 2020

Users can also watch the actual URL loading video in the browser window. It’s important to mention that within the Dotcom Monitor platform there is a feature that a user can watch the actual URL loading video in the browser window (shown below). This is a good example of a website where efficient caching being used.

Performance 53

Performance Cache Website Speed 53

Percona

APRIL 17, 2023

Since MongoDB usually works with a replica set, it is possible to increase this parameter to get better performance: # edit /etc/mongod.conf storage: journal: enabled: true commitIntervalMs: 300 WiredTiger cache For dedicated servers, it is possible to increase the WiredTiger(WT) cache. By default, it uses 50% of the memory + 1 GB.

Best Practices 52

Best Practices Design Tuning Database 52

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).

Performance 103

Performance Cache Metrics Network 103