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 241

Latency Cache Java Traffic 241

The Netflix TechBlog

NOVEMBER 29, 2023

Details pertaining to HDR-VMAF exceed the scope of this article and will be covered in a future blog post; for now, suffice it to say that the first version of HDR-VMAF landed internally in 2021 and we have been improving the metric ever since. 1) depicts the migration of traffic from fixed bitrates to DO encodes.

Open Source 260

Open Source Software Engineering Internet Internet 260

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

VoltDB

AUGUST 8, 2024

Real-time data platform defined A real-time data platform is designed to ingest, process, analyze, and act upon data instantaneously — right when it’s generated or received. Processing such high data volumes requires robust infrastructure and scalable architecture designed for high performance and high availability.

IoT 52

IoT Latency Traffic Logistics 52

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 340

Virtualization Google Metrics Testing 340

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 238

Infrastructure Transportation Storage Open Source 238

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 113

Performance Latency Architecture Network 113

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

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

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

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 136

Cloud AWS Traffic Latency 136

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 232

Network Infrastructure Virtualization Metrics 232

The Netflix TechBlog

OCTOBER 14, 2024

Blame The Notebook Now that we have an objective metric for the slowness, let’s officially start our investigation. However, when we captured packets on the ZeroMQ socket while reproducing the issue, we didn’t observe heavy traffic on this socket that could cause such blocking. the JupyterLab process) rather than the network.

Latency 207

Latency Virtualization Traffic Processing 207

Dynatrace

AUGUST 29, 2024

IoT is transforming how industries operate and make decisions, from agriculture to mining, energy utilities, and traffic management. Both methods allow you to ingest and process raw data and metrics. They enable real-time tracking and enhanced situational awareness for air traffic control and collision avoidance systems.

IoT 234

IoT Analytics Transportation Metrics 234

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 235

Traffic AWS Network Cloud 235

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

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 246

Metrics Network Infrastructure Traffic 246

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 38

AWS Entertainment Open Source Benchmarking 38

CSS Wizardry

SEPTEMBER 16, 2024

This gives fascinating insights into the network topography of our visitors, and how much we might be impacted by high latency regions. RTT is designed to replace Effective Connection Type (ECT) with higher resolution timing information. RTT data should be seen as an insight and not a metric. What is RTT?

Latency 202

Latency Cache Transportation Mobile 202

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 260

Availability Hardware Latency Traffic 260

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

Speed Curve

OCTOBER 29, 2024

Make sure you’re tracking the right metrics Think beyond Core Web Vitals. In fact, for a lot of customers, iOS traffic – which Vitals can't track – is the most popular and has higher conversion rates. Consider adding custom metrics. Third parties can hurt important metrics, like Core Web Vitals.

Speed 57

Speed Benchmarking Traffic Retail 57

The Netflix TechBlog

OCTOBER 8, 2024

Building on these foundational abstractions, we developed the TimeSeries Abstraction  — a versatile and scalable solution designed to efficiently store and query large volumes of temporal event data with low millisecond latencies, all in a cost-effective manner across various use cases. Let’s dive into the various aspects of this abstraction.

Latency 240

Latency Storage Traffic Tuning 240

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 123

Cloud Serverless AWS Storage 123

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 153

AWS Artificial Intelligence Best Practices Lambda 153

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 75

Performance Cache Traffic Metrics 75

Alex Russell

OCTOBER 27, 2024

A reasonable diagnostic metric of success is time spent as a percentage of time on device. The fraction of "Jobs To Be Done" happening on the web would be the natural leading metric, but it's hard to track. Going back to the time spent metric, the web is cleaning up on the desktop. What do I mean by "losing"?

Strategy 72

Strategy Mobile Google Social Media 72

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 280

Open Source Network Infrastructure Big Data 280

Scalegrid

AUGUST 30, 2024

Limiting incoming connections exclusively to networks deemed trustworthy can boost the overall protection of your RabbitMQ server. By integrating these tools with RabbitMQ, administrators can monitor and visualize metrics concerning messaging performance and security in real time.

Transportation 130

Transportation Virtualization Strategy Storage 130

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 97

Traffic Metrics Google Website 97