The Netflix TechBlog

SEPTEMBER 8, 2020

To prepare ourselves for a big change in the tech stack of our endpoint, we decided to track metrics around the time taken to respond to queries. After some consultation with our backend teams, we determined the most effective way to group these metrics were by UI screen. Replay Testing Enter replay testing.

Latency 233

Latency Cache Java Traffic 233

Rigor

JULY 11, 2019

Additionally, teams are measuring and tracking key business metrics – conversion rates, cart abandonment rates, customer lifetime value, revenue by traffic source, and so on. Why Are User-centric Metrics Essential for Ecommerce? Which Metrics Matter for Ecommerce? Not all ecommerce designs are created equal.

Ecommerce 87

Ecommerce Metrics Website Mobile 87

CSS Wizardry

MARCH 28, 2022

This genuinely surprises me, because LCP is the simplest metric to improve. The metrics above don’t matter in and of themselves, but it’s going to help your LCP if you can get them as low as possible. Plan in suitable buffer time for traffic issues, etc. Design modals and cookie banners etc. of origins had good LCP 94.9%

Virtualization 330

Virtualization Google Metrics Testing 330

The Netflix TechBlog

OCTOBER 19, 2020

Now let’s look at how we designed the tracing infrastructure that powers Edgar. 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.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Smashing Magazine

DECEMBER 19, 2021

Previous metrics measured variations of the first paint to screen (often this was a header or background color); incidentally content that isn’t really what the user actually wants to get out of the page. And the “contentful” part of the name shows this metric is intended to ignore (e.g. More after jump! Your (smashing) email.

Google 143

Google Traffic Mobile Website 143

Alex Russell

FEBRUARY 28, 2022

The metrics that we report against implicitly cleave these into different "camps", leaving us thinking about pre- and post-load as distinct universes. Performance engineers have a fluency in histograms and percentiles that the broader engineering community could benefit from as a lens for thinking about the impacts of design choices.

Performance 104

Performance Latency Architecture Network 104

The Netflix TechBlog

NOVEMBER 22, 2019

Netflix shares how Amazon EC2 Auto Scaling allows its infrastructure to automatically adapt to changing traffic patterns in order to keep its audience entertained and its costs on target. In this talk, we share how Netflix deploys systems to meet its demands, Ceph’s design for high availability, and results from our benchmarking.

AWS 100

AWS Entertainment Open Source Benchmarking 100

The Netflix TechBlog

NOVEMBER 22, 2019

Netflix shares how Amazon EC2 Auto Scaling allows its infrastructure to automatically adapt to changing traffic patterns in order to keep its audience entertained and its costs on target. In this talk, we share how Netflix deploys systems to meet its demands, Ceph’s design for high availability, and results from our benchmarking.

AWS 100

AWS Entertainment Open Source Benchmarking 100

Dotcom-Montior

NOVEMBER 16, 2021

Since that time, the SRE role has evolved as the industry has changed and shifted from the traditional monolithic structures to large, widely distributed networks and microservices. SLIs are the actual performance metrics of your services. Traffic refers to the amount of user demand, or load, is on the system. Monitoring.

Monitoring 91

Monitoring Google DevOps Engineering 91

HammerDB

OCTOBER 23, 2023

HammerDB has always used stored procedures as a design decision because the original benchmark was implemented as close as possible to the example workload in the TPC-C specification that uses stored procedures. However, with more complex application logic this network round trip soon becomes a key focus area for improving performance.

Benchmarking 62

Benchmarking Database Network C++ 62

Jos

JUNE 2, 2018

UI/UX : There is usually a designer and/or UX person that sets the look & feel and information architecture. One could argue this is a metric-driven decision. When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations.

Performance 237

Performance Speed Google Media 237

CSS - Tricks

SEPTEMBER 21, 2020

I can guess that maps pretty well to other platforms and other performance metrics. The less across the network, the less electricity. making a network request over and over) rather than something event-based like web sockets? Website traffic. They were testing mobile web apps on Android using Lighthouse scores.

Website 97

Website Energy Storage Efficiency 97

Speed Curve

APRIL 2, 2019

As organizations work to improve performance for users around the world on slower networks and devices, the focus on JavaScript continues to grow. We launched it two years ago with four dashboards: Live, Users, Performance, and Design. Ten years ago, the network was the primary bottleneck slowing down web pages.

Traffic 53

Traffic Metrics Network Mobile 53

All Things Distributed

NOVEMBER 26, 2013

Cross Region Read Replicas also enable you to serve read traffic for your global customer base from regions that are nearest to them. In addition, Amazon S3 redundantly stores data in multiple facilities and is designed for 99.999999999% durability and 99.99% availability of objects over a given year.

Cloud 145

Cloud AWS Traffic Latency 145

Dynatrace

NOVEMBER 24, 2021

Quick and easy network infrastructure monitoring. Begin network monitoring by simply deploying an extension with just a few clicks. The topology model for network devices covers simple to complex use cases from visualizing the interfaces of a router to mapping an F5 Big-IP LTM load balancer. Start monitoring in minutes.

Network 203

Network Infrastructure Virtualization Metrics 203

Tim Kadlec

JUNE 24, 2014

Mobile networks add a tremendous amount of latency. The new devices and fast networks we use are not necessarily what our users are using. Performance cops (developers or designers who enforce performance) is not sustainable. Performance cops (developers or designers who enforce performance) is not sustainable.

Google 49

Google Performance Latency Internet 49

Dynatrace

SEPTEMBER 7, 2022

VPC Flow Logs is an Amazon service that enables IT pros to capture information about the IP traffic that traverses network interfaces in a virtual private cloud, or VPC. By default, each record captures a network internet protocol (IP), a destination, and the source of the traffic flow that occurs within your environment.

Traffic 208

Traffic AWS Network Cloud 208

Jos

JUNE 2, 2018

Security : Hopefully there’s a team or individual with deep knowledge about security that help us reviewing system designs, implementations, and informs us about reports or and security patches. UI/UX : There is usually a designer and/or UX person that sets the look & feel and information architecture. Well, not so fast.

Performance 130

Performance Speed Google Media 130

Dotcom-Montior

NOVEMBER 27, 2018

Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. It helps assess how a site, web application, or API will respond to various traffic, without adding any additional infrastructure. All resources are dedicated to this test – no shared servers.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Dynatrace

MARCH 22, 2021

To keep infrastructure and bare metal servers running smoothly, a long list of additional devices are used, such as UPS devices, rack cases that provide their own cooling, power sources, and other measures that are designed to prevent failures. Some SNMP-enabled devices are designed to report events on their own with so-called SNMP traps.

Metrics 242

Metrics Network Infrastructure Traffic 242

The Netflix TechBlog

NOVEMBER 22, 2019

Netflix shares how Amazon EC2 Auto Scaling allows its infrastructure to automatically adapt to changing traffic patterns in order to keep its audience entertained and its costs on target. In this talk, we share how Netflix deploys systems to meet its demands, Ceph’s design for high availability, and results from our benchmarking.

AWS 37

AWS Entertainment Open Source Benchmarking 37

Dynatrace

JUNE 25, 2020

Dynatrace Managed is intrinsically highly available as it stores three copies of all events, user sessions, and metrics across its cluster nodes. The network latency between cluster nodes should be around 10 ms or less. Minimized cross-data center network traffic. Automatic recovery for outages for up to 72 hours.

Availability 241

Availability Hardware Latency Traffic 241

The Netflix TechBlog

FEBRUARY 18, 2022

We thus assigned a priority to each use case and sharded event traffic by routing to priority-specific queues and the corresponding event processing clusters. This separation allows us to tune system configuration and scaling policies independently for different event priorities and traffic patterns.

Systems 334

Systems Traffic Architecture Mobile 334

Smashing Magazine

AUGUST 3, 2023

These pages serve as a pivotal tool in our digital marketing strategy, not only providing valuable information about our services but also designed to be easily discoverable through search engines. It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. SEO is key to our success.

Performance 74

Performance Cache Traffic Metrics 74

Percona

FEBRUARY 24, 2023

Identifying which resources you can trim to reduce your monthly bill can be difficult, but looking at the right metrics will help you understand the application’s actual requirements. Configuration of the CPU metrics can be changed in the dashboard. Don’t pay for capacity you don’t use or need.

Cloud 114

Cloud Serverless AWS Storage 114

Dynatrace

NOVEMBER 24, 2020

As organizations plan, migrate, transform, and operate their workloads on AWS, it’s vital that they follow a consistent approach to evaluating both the on-premises architecture and the upcoming design for cloud-based architecture. Automatic collection of the entire set of services that publish metrics to Amazon CloudWatch.

AWS 142

AWS Artificial Intelligence Best Practices Lambda 142

Smashing Magazine

DECEMBER 7, 2023

If you’re reading this before March 2024 and fire up your favorite performance monitoring tool, you’re going to to get a Core Web Vitals report like this one pulled from PageSpeed Insights: ( Large preview ) You’re likely used to seeing most of these metrics. INP will officially replace FID when it becomes an official Core Web Vital metric.

Traffic 96

Traffic Metrics Google Monitoring 96

The Netflix TechBlog

APRIL 29, 2019

Open Connect Open Connect is Netflix’s content delivery network (CDN). video streaming) takes place in the Open Connect network. Various software systems are needed to design, build, and operate this CDN infrastructure, and a significant number of them are written in Python. are you logged in?

Open Source 279

Open Source Network Infrastructure Big Data 279

The Netflix TechBlog

NOVEMBER 23, 2020

Introducing gnmi-gateway: a modular, distributed, and highly available service for modern network telemetry via OpenConfig and gNMI By: Colin McIntosh, Michael Costello Netflix runs its own content delivery network, Open Connect , which delivers all streaming traffic to our members.

Open Source 186

Open Source Network Transportation Cache 186

Smashing Magazine

AUGUST 10, 2023

In fact, there’s great tooling right under the hood of most browsers in DevTools that can do many things that a tried-and-true service like WebPageTest offers, complete with recommendations for improving specific metrics. Certain tools are designed for certain metrics with certain assumptions that produce certain results.

Speed 82

Speed Monitoring Testing Network 82

Smashing Magazine

OCTOBER 24, 2023

A measly front-end designer like me can be blissfully ignorant of all this mumbo-jumbo. You can see that Lighthouse does indeed provide that metric. We can get a better view if we run the same test in another service, like SpeedCurve , which digs deeper into the metric. It replaces the First Input Delay (FI D ) metric.

Google 92

Google Analytics Traffic Metrics 92

The Morning Paper

JUNE 25, 2019

Designing far memory data structures: think outside the box Aguilera et al., There’s another emerging option that we didn’t talk about there: the use of far-memory , memory attached to the network that can be remotely accessed without mediation by a local processor. HotOS’19. Can I get a helping hand here? A worked example.

Design 80

Design Cache Hardware Scalability 80

Alex Russell

MARCH 31, 2022

Every technical challenge in this design space is paired with an even more daunting governance problem. De-duplication can prevent multiple copies on disk, but we're out of luck on reducing network costs. These privacy requirements put challenging constraints on the design of a shared cache. Trust Falls #. Back of the Napkin #.

Cache 82

Cache Government Traffic Network 82

Smashing Magazine

APRIL 19, 2021

Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. The Core Web Vitals are a set of three metrics designed to measure the “core” experience of whether a website feels fast or slow to the users, and so gives a good experience.

Google 141

Google Metrics Mobile Analytics 141

Speed Curve

NOVEMBER 30, 2022

As you may have guessed, since then we've been hard at work coming up with the right way to explore and compare your RUM datasets using a similar design pattern. Evaluate CDN performance by exploring the impact of time-of-day traffic patterns. To use, simply select the metric along with the upper and lower bounds for each cohort.

Traffic 54

Traffic Metrics Speed Mobile 54

IO River

NOVEMBER 2, 2023

determining a business's value to its clients, the level of service it provides is often a key metric. Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday.

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

determining a business's value to its clients, the level of service it provides is often a key metric. Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday.

Availability 52

Availability Social Media Traffic Games 52