The Netflix TechBlog

NOVEMBER 22, 2019

This entertaining romp through the tech stack serves as an introduction to how we think about and design systems, the Netflix approach to operational challenges, and how other organizations can apply our thought processes and technologies. In 2019, Netflix moved thousands of container hosts to bare metal.

AWS 37

AWS Entertainment Open Source Benchmarking 37

Smashing Magazine

OCTOBER 29, 2018

2019-04-29T18:34:58+00:00. Studying your network waterfall chart in developer tools will show this delay up under the category of “Waiting (TTFB)”. If we look at the request in the Network section of Developer Tools, we can see that the timings have been added to the chart. Each metric can specify three possible properties.

Servers 87

Servers Performance Metrics Database 87

Tasktop

DECEMBER 15, 2020

Value stream management (VSM) tools like Tasktop Viz provide a lens into the people, processes and technology that influence how quickly and well work gets from business idea to customer, especially when following SAFe. . Tired of proxy metrics like ceremonies, certifications and tooling not producing tangible business value?

Healthcare 59

Healthcare Metrics Software Software 59

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. The key metric for measuring the sustainability of a digital product is its energy usage. This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. Jack Lenox. Sustainable Web Design.

Website Performance 73

Website Performance Website Energy Performance 73

Tasktop

NOVEMBER 9, 2020

09This time last year, in November 2019, and a year after the official publication of Project to Product , the best-selling book by Tasktop founder & CEO, Dr. Mik Kersten, internal conversations began within Tasktop about launching a new podcast featuring Mik and industry leaders. Listen now. Mik + Jon Smart. Listen now. Listen now.

Innovation 52

Innovation Strategy Metrics Technology 52

Tim Kadlec

MARCH 7, 2019

My definition of a performance budget has evolved over the years, but here’s my current working draft: A performance budget is a clearly defined limit on one or more performance metrics that the team agrees not to exceed, and that is used to guide design and development. Meaningful. Maybe that’s conversion rate or bounce rate.

Performance 64

Performance Metrics Benchmarking Design 64

CSS - Tricks

JANUARY 31, 2020

From 2016 (PDF warning) to 2019 , the average mobile download speed in the U.S. Despite every significant improvement to the underpinnings of the web and the networks we access it through, we continue to build for it in ways that suggest we’re content with the never-ending Jevons paradox in which we toil. has increased by 73%.

Innovation 50

Innovation Mobile Best Practices Speed 50

Dynatrace

JUNE 28, 2019

As a full stack monitoring platform, Dynatrace collects a huge number of metrics for each OneAgent monitored host in your environment. Depending on the types of technologies you’re running on your individual hosts, the average number of metrics is about 500 per computational node. New metric identifiers and structure.

Metrics 102

Metrics Efficiency Monitoring Azure 102

Dynatrace

SEPTEMBER 23, 2021

In 2019, Gartner reported that 30% of organizations worldwide were running containerized applications. Container security is the practice of applying security tools, processes, and policies to protect container-based workloads. To function effectively, containers need to be able to communicate with each other and with network services.

Open Source 250

Open Source Benchmarking Best Practices Network 250

Tasktop

JUNE 18, 2019

In one week’s time, thousands of IT and business professionals will descend on London for the latest iteration of DevOps Enterprise Summit London 2019 (June 25-27 – InterContinental O2, London, UK). Here are four tips to get the most out of DOES London 2019: Tip #1 – Develop a plan of attack. The countdown is on.

DevOps 74

DevOps Network Software Software 74

The Netflix TechBlog

DECEMBER 23, 2020

For example, the PID namespace makes it so that a process can only see PIDs in its own namespace, and therefore cannot send kill signals to random processes on the host. In addition to the default Docker namespaces (mount, network, UTS, IPC, and PID), we employ user namespaces for added layers of isolation. User Namespaces.

Media 286

Media Metrics Systems Processing 286

Dynatrace

AUGUST 28, 2019

Observability is divided into three major verticals—metrics, logs, and distributed traces—the so-called three pillars of observability. Dynatrace OneAgent discovers all the processes you have running on a host, including dynamic microservices running inside containers. 1) Metrics. Dynatrace news. 2) Distributed traces.

Metrics 185

Metrics Monitoring Azure Code 185

The Netflix TechBlog

JANUARY 22, 2021

channel surround sound in 2010, Dolby Atmos in 2017 , and adaptive bitrate audio in 2019. The loudness metrics of all Netflix content are measured before encoding. As such, it is common to compute DRC parameters at encode-time, when processing power and lookahead is ample. We began streaming 5.1 Volume Level Figure 10.

Programming 269

Programming Mobile Network Testing 269

The Netflix TechBlog

NOVEMBER 2, 2020

Failure can occur due to a myriad of reasons: misbehaving clients that trigger a retry storm, an under-scaled service in the backend, a bad deployment, a network blip, or issues with the cloud provider. Those two metrics are approximate indicators of failures and latency. Let’s dig into how we accomplished this.

Traffic 252

Traffic Metrics Infrastructure Architecture 252

The Morning Paper

SEPTEMBER 22, 2019

The secret sharer: evaluating and testing unintended memorization in neural networks Carlini et al., USENIX Security Symposium 2019. In evaluating our exposure metric, we find unintended memorization to be both commonplace and hard to prevent. So clearly it doesn’t need to memorise training examples.

Network 55

Network Testing Strategy Google 55

The Netflix TechBlog

DECEMBER 11, 2020

We had our first Studio applications consuming the federated graph, without any performance degradation, by the end of the 2019. The schema registry also integrates with our CI/CD systems like Spinnaker to automatically setup cloud networking for DGSs. Our goal was to open up the Studio Edge platform for self-service in April 2020.

Architecture 249

Architecture Best Practices Engineering Open Source 249

Tasktop

OCTOBER 20, 2020

Breaking down silos and seamlessly connecting and streamlining data and process flows are integral to finding new solutions, enhancing security, and creating personalized and engaging citizen experiences.” William Eggers, Mike Turley, Government Trends 2020, Deloitte Insights, 2019.

Government 105

Government Programming Metrics Software 105

Alex Russell

DECEMBER 18, 2022

TL;DR : To serve users at the 75 th percentile ( P75 ) of devices and networks, we can now afford ~150KiB of HTML/CSS/fonts and ~300-350KiB of JavaScript (gzipped). This is a slight improvement on last year's budgets , thanks to device and network improvements. Networks #. This is an ethical crisis for the frontend.

Performance 113

Performance Network Mobile Latency 113

Smashing Magazine

MAY 5, 2021

Smaller HTML means less time for Google to download and process those long strings of text. In 2019, we sold 500k tickets a year, so our operations are complex and we need to showcase it with our landing pages in an appealing and fast manner. That way, the user can start the process of painting the largest content paint ASAP.

Google 110

Google Architecture Servers Speed 110

Dynatrace

JULY 31, 2020

We’re happy to announce the General Availability of cross-environment dashboarding capabilities (having released this functionality in an Early Adopter release with Dynatrace version 1.172 back in June 2019). Important : In Dynatrace Managed environments, you need to configure an additional Network scope setting.

Availability 179

Availability Best Practices Monitoring Network 179

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

The Netflix TechBlog

SEPTEMBER 13, 2021

We were under pressure to improve our adoption numbers and decided to focus first on the setup friction by improving the developer experience and automating the onboarding process. Every leader’s security risk dashboard now includes a Wall-E adoption metric, and roughly ? of recommended apps have chosen to adopt it.

Internet 220

Internet Internet Cloud Traffic 220

Dynatrace

MAY 31, 2021

It automates complex tasks during the container’s life cycle, such as provisioning, deployment, networking, scaling, load balancing, and more. DevOps and continuous delivery: A revolution in processes, and the way people and software delivery teams work. Who manages the networking aspects? How do you make it scalable?

Virtualization 133

Virtualization DevOps Infrastructure Cloud 133

Dynatrace

JANUARY 15, 2020

Having released this functionality in an Preview Release back in September 2019, we’re now happy to announce the General Availability of our Citrix monitoring extension. All processes on these hosts are recognized, and Citrix processes are grouped together in order to characterize the combined Citrix overhead on the infrastructure.

Latency 36

Latency Performance Virtualization Infrastructure 36

Testsigma

JANUARY 22, 2021

In 2019, the worldwide sales of mobile devices were 1524 million units. We have grown accustomed and hooked to these devices which makes their application development a rather intense process. We have grown accustomed and hooked to these devices which makes their application development a rather intense process.

Mobile 74

Mobile Testing Energy Operating System 74

Smashing Magazine

JULY 29, 2019

2019-07-29T14:00:59+02:00. 2019-07-29T13:06:57+00:00. 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. For reference, the metric is $1.19

Cache 96

Cache Google Mobile Network 96

Dynatrace

NOVEMBER 20, 2019

Having released this functionality in an Early Adopter Release with OneAgent version 1.173 and Dynatrace version 1.174 back in August 2019, we’re now happy to announce the General Availability of OneAgent full-stack monitoring for Linux on the IBM Z platform, sometimes informally referred to as Z/Linux. Dynatrace news.

Availability 31

Availability Hardware Java Tuning 31

Smashing Magazine

FEBRUARY 2, 2022

Projects built using JavaScript-based frameworks often ship large bundles of JavaScript that take time to download, parse and execute, blocking page render and user input in the process. This problem is more apparent on unreliable and slow networks and lower-end devices. Estimated load times for a makeshift JavaScript application.

Code 89

Code Performance Network Website 89

The Morning Paper

JULY 4, 2019

Moreover, just like an A/B test, we’ll be collecting metrics while the experiment is underway and performing statistical analysis at the end to interpret the results. degraded hardware, transient networking problem) or, more often, because of some change deployed by Netflix engineers that did not have the intended effect.

Latency 77

Latency Engineering Metrics Traffic 77

Dynatrace

AUGUST 8, 2019

Host performance is tracked via high-level health metrics on the home dashboard to details for each of the hosts. For details on available metrics, see our help page on host performance monitoring. Network measurements with per-interface and per-process resolution. Disk metrics are collected for each discovered disk.

Availability 25

Availability Hardware Java Tuning 25

Rigor

SEPTEMBER 3, 2019

(They seem to have learned from their mistakes for Prime Day 2019.). And Nordstrom dealt with crashes and other issues at the beginning of its popular anniversary sale in 2019. Prior to any peak event, take the time to review your CDN’s cache design and offload metrics to determine what improvements can be made.

Website 74

Website Cache Ecommerce Traffic 74

Smashing Magazine

OCTOBER 20, 2021

We’re not processing anything complex, so each route builds in a snap. For clarity, here’s a visual illustration of that single page app concept using a simple find-and-replace ( source article ): Step-by-step clientside routing process: 1. dev server running at: > Local: [link] > Network: use `--host` to expose ready in Xms.

Website 93

Website Servers Code Programming 93

Dynatrace

MARCH 18, 2024

Likewise, the OpenTelemetry Project Journey Report states that more than 9,000 contributors and 1,100 companies have contributed to OpenTelemetry since the project’s inception in 2019. Users can run the Dynatrace OTel Collector to mask sensitive data next to applications and ensure that no sensitive data leaves the internal network.

Scalability 262

Scalability Open Source Analytics Innovation 262

Smashing Magazine

JANUARY 21, 2021

Image source: Lighthouse Metrics ) ( Large preview ). Back in 2017 we built the entire site with Preact, but then have moved to React in 2019 — and use it along with a few APIs for search, comments, authentication and checkout. This is where we started. Moving From Automated Critical CSS Back To Manual Critical CSS.

Performance 145

Performance Cache Mobile Network 145

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Vitaly Friedman. Table Of Contents. Quick Wins.

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

SEPTEMBER 29, 2021

Key user-centric metrics often depend on the size, number, layout, and loading priority of images on the page. Compression achieved is relevant because the higher the compression, the smaller the file size, and the lower the data required to transfer the image on the network. A tl;dr of recommendations can be found below.

Open Source 144

Open Source Speed Website Google 144

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. Getting Ready: Planning And Metrics. Table Of Contents.

Performance 145

Performance Cache Media Metrics 145