The Netflix TechBlog

SEPTEMBER 2, 2020

Edgar captures 100% of interesting traces , as opposed to sampling a small fixed percentage of traffic. A span: Represents a unit of work, such as a network call from one service to another (a client/server relationship) or a purely internal action (e.g., starting and finishing a method).

Latency 296

Latency Transportation Engineering Traffic 296

The Morning Paper

OCTOBER 4, 2020

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. The first 5G networks are now deployed and operational.

Energy 130

Energy Latency Performance Network 130

IO River

NOVEMBER 2, 2023

Enter the concept of Content Delivery Networks (CDN) with Multiple Origins Load Balancing. ‍ Think of a CDN Load Balancer (or LB, if you like to keep things short and sweet) as the internet’s traffic police. ‍But how does it decide where to send this traffic? That’s where rules come in. What is “Origin”?An

Traffic 52

Traffic Cache Servers Latency 52

The Netflix TechBlog

OCTOBER 19, 2020

Investigating a video streaming failure consists of inspecting all aspects of a member account. 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

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. The higher our organic traffic, the more profitable we become as a company.

Performance 74

Performance Cache Traffic Metrics 74

IO River

NOVEMBER 2, 2023

If price is your top priority, you'll need to decide how much you're willing to sacrifice in terms of reliability and performance.What are your traffic patterns like? If your traffic is mostly static, you may be able to meet all your needs with a less expensive CDN that provides content distribution services.

Infrastructure 52

Infrastructure Traffic Cache Strategy 52

IO River

NOVEMBER 2, 2023

Enter the concept of Content Delivery Networks (CDN) with Multiple Origins Load Balancing. Think of a CDN Load Balancer (or LB, if you like to keep things short and sweet) as the internet’s traffic police. It takes on the crucial role of directing web traffic across various data centers, known as “origins.” What is “Origin”?An

Traffic 40

Traffic Cache Network Servers 40

The Netflix TechBlog

JUNE 4, 2019

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains. This avoids thrashing caches too much for B and evens out the pressure on the L3 caches of the machine.

Cache 251

Cache Latency Airlines Logistics 251

Dotcom-Montior

MAY 12, 2020

Network or connection error. Modern web applications and pages, such as single-page applications, that put the user experience at its utmost priority are expected to be available 24/7, anywhere in the world, usable on any screen size, secure, flexible, scalable and be ready to meet traffic spikes on demand. Network latency.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. I presented this analysis of response time distributions talk in 2016 — at Microxchg in Berlin ( video ). Mu is the mean of each component, the latency. I’ve been thinking about this for a long time.

Lambda 98

Lambda Latency Cache C++ 98

IO River

NOVEMBER 2, 2023

If price is your top priority, you'll need to decide how much you're willing to sacrifice in terms of reliability and performance.What are your traffic patterns like? If your traffic is mostly static, you may be able to meet all your needs with a less expensive CDN that provides content distribution services.

Infrastructure 52

Infrastructure Traffic Cache Strategy 52

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. Two-way latency is often called round-trip time (RTT). Congestion Control.

Performance 106

Performance Network Latency Servers 106

MachMetrics

OCTOBER 16, 2019

However, there is excitement around Starlink for other reasons – namely, the implications it might have for internet speed and latency – even by just a small amount (20 milliseconds on average). Starlink’s Goal: Reduce Internet Latency. What does Starlink and Reduced Latency have to do with me?

Internet 44

Internet Internet Latency Speed 44

Smashing Magazine

JANUARY 11, 2021

Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. You can then mimic the 90th percentile’s experience for testing. You can create your own on Chrome UX Dashboard.

Performance 145

Performance Cache Media Metrics 145

The Morning Paper

JULY 4, 2019

degraded hardware, transient networking problem) or, more often, because of some change deployed by Netflix engineers that did not have the intended effect. Two failure modes we focus on are a service becoming slower (increase in response latency) or a service failing outright (returning errors). Defining and running experiments.

Latency 77

Latency Engineering Metrics Traffic 77

Smashing Magazine

AUGUST 9, 2021

You’ve probably heard things like: “HTTP/3 is much faster than HTTP/2 when there is packet loss”, or “HTTP/3 connections have less latency and take less time to set up”, and probably “HTTP/3 can send data more quickly and can send more resources in parallel”. For example, TCP requires a “ handshake ” to set up a new connection.

Transportation 145

Transportation Internet Internet Network 145

O'Reilly

DECEMBER 2, 2019

The most obvious change 5G might bring about isn’t to cell phones but to local networks, whether at home or in the office. High-speed networks through 5G may represent the next generation of cord cutting. Those waits can be significant, even if you’re on a corporate network. What will 5G mean in practice? I don’t, do you?

Wireless 53

Wireless Serverless IoT Artificial Intelligence 53

All Things Distributed

OCTOBER 2, 2017

VPC Endpoints give you the ability to control whether network traffic between your application and DynamoDB traverses the public Internet or stays within your virtual private cloud. Performant – DynamoDB consistently delivers single-digit millisecond latencies even as your traffic volume increases.

Internet 128

Internet Internet AWS Performance 128

All Things Distributed

MARCH 11, 2016

The importance of the network. AWS has come to support many different workloads; from high-volume transaction processing to video transcoding at scale, from high-performance parallel computing to massive web site traffic. Each of those workloads have unique requirements when it comes to the network. No gatekeepers.

AWS 144

AWS Hardware Retail Virtualization 144

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

VoltDB

JUNE 1, 2017

An opening scene involving a traffic jam of Viking boats and a musical number (“Love Can’t Afjord to wait”). Latency Optimizers” – need support for very large federated deployments. When it comes to minimizing latency we’re in the sweet spot as well – our whole architecture is designed to be as fast as possible. Watch the Video.

Hardware 56

Hardware Latency Virtualization Cloud 56

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). 150ms RTT, 1.5 Mbps down, 0.7

Performance 104

Performance Cache Network Metrics 104

Percona

APRIL 17, 2023

The CFQ works well for many general use cases but lacks latency guarantees. The deadline excels at latency-sensitive use cases ( like databases ), and noop is closer to no schedule at all. Embedding further simplifies database operations, reduces network overhead, and boosts read and query performance.

Best Practices 52

Best Practices Design Tuning Database 52

VoltDB

JUNE 9, 2017

Telco networks and the systems that support those networks are some of the most advanced technology solutions in existence. Handling the data generated by these networks is a herculean task. Telco companies used this information and insights to plan capital investment projects for network expansion and marketing.

Analytics 40

Analytics Strategy Network Games 40

VoltDB

JUNE 9, 2017

Telco networks and the systems that support those networks are some of the most advanced technology solutions in existence. Handling the data generated by these networks is a herculean task. Telco companies used this information and insights to plan capital investment projects for network expansion and marketing.

Analytics 40

Analytics Strategy Network Games 40

Nick Desaulniers

FEBRUARY 22, 2015

First, please check out this excellent video on public key crypto: Hopefully that explains the gist of the technique, but what might it actually look like in code? High Performance Browser Networking book chapter TLS Handshake , Mozilla OpSec’s fantastic wiki , and this exellent Stack Exchange post. crypto module.

C++ 71

C++ Servers Education Government 71

Brendan Gregg

SEPTEMBER 5, 2017

. ## Observability Here's the big picture of performance observability tools on Linux, from my [Linux performance] page, where I also have diagrams for other tool types, as well as videos and slides of prior Linux performance talks: I also have a USE Method: Linux Performance Checklist , as a different way to navigate and apply the tools.

Virtualization 76

Virtualization AWS Engineering Hardware 76