The Netflix TechBlog

JANUARY 10, 2024

Since then, the video pipeline has undergone substantial improvements and broad expansions: Starting with Standard Dynamic Range (SDR) at Standard-Definitions , we expanded the encoding pipeline to 4K and High Dynamic Range (HDR) which enabled support for our premium offering. This introductory blog focuses on an overview of our journey.

Processing 229

Processing Media Latency Innovation 229

Scalegrid

APRIL 5, 2024

It enhances scalability and manages traffic surges, though it requires specific client support and limits multi-key operations to a single hash slot. Redis Sharding: An Overview Consider Redis Cluster as a multi-lane highway where the lanes represent hash slots, and traffic symbolizes data. This can be ensured using hash tags.

Scalability 130

Scalability Efficiency Java Database 130

The Morning Paper

SEPTEMBER 24, 2019

50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system Reardon et al., you should definitely check it out if you don’t already know it!). Side-channels are typically an unintentional consequence of a complicated system. USENIX Security Symposium 2019. most apps). most apps).

Systems 74

Systems Traffic Network Google 74

The Netflix TechBlog

JULY 30, 2019

Adoption As of writing this blog, Conductor orchestrates 600+ workflow definitions owned by 50+ teams across Netflix. External Payload Storage External payload storage was implemented to prevent the usage of Conductor as a data persistence system and to reduce the pressure on its backend datastore.

Lambda 189

Lambda Media Open Source Metrics 189

Alex Russell

FEBRUARY 28, 2022

I propose four key ingredients: Definition: What is "performance" beyond page speed? These steps inform a general description of the interaction loop: The system is ready to receive input. The system is ready to receive input. The predominant answer: a unified theory of web performance. Input is received and processed.

Performance 104

Performance Latency Architecture Network 104

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 75

Performance Cache Traffic Metrics 75

The Netflix TechBlog

SEPTEMBER 13, 2021

Historically we have been responsible for connecting, routing, and steering internet traffic from Netflix subscribers to services in the cloud. Nearly all of the blockers related to systems in which (usually for historical reasons) some application team was solving both authentication and application routing in a custom way.

Internet 220

Internet Internet Cloud Traffic 220

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. This is where a well-architected Content Delivery Network (CDN) shines. Â The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings.

Architecture 52

Architecture Performance Internet Internet 52

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. This is where a well-architected Content Delivery Network (CDN) shines. The goal is to boost the pitfalls of network disruptions and vendor dependencies, all while pocketing cost savings.

Architecture 52

Architecture Performance Internet Internet 52

Percona

AUGUST 30, 2023

Without data backup mechanisms, there can be data loss or system downtime. Even worse, entire operating systems can crash, also resulting in data loss. Data consistency: Verify that data consistency between the primary and secondary systems will exist after recovery. Similarly, accidental deletion is a culprit.

Database 85

Database Hardware Open Source Strategy 85

Adrian Cockcroft

FEBRUARY 9, 2023

The third is that the Team Topologies book defined how to create and manage Platform Teams so there’s interest in the terminology and definition. The next layer is operating system platforms, what flavor of Linux, what version of Windows etc. The second is that some companies with tools to sell are marketing the term.

Engineering 137

Engineering Serverless Lambda AWS 137

All Things Distributed

APRIL 11, 2018

With Fargate, you don't need to stand up a control plane, choose the right instance type, or configure all the other components of your application stack like networking, scaling, service discovery, load balancing, security groups, permissions, or secrets management. This is the vision behind AWS Fargate.

Cloud 148

Cloud AWS Innovation Traffic 148

KeyCDN

FEBRUARY 4, 2021

DNS, which stands for domain name system , is an Internet service that translates domains names into IP addresses. So DNS services definitely go down! A quick way to fix this is simply by temporarily changing the TTL (time to live) setting for the DNS record, and route your traffic to the second DNS server until the outage is fixed.

Cache 134

Cache Website Internet Internet 134

Speed Curve

FEBRUARY 5, 2024

The use of server-timing headers by content delivery networks closes a big gap. For example, processing of web application firewall (WAF) rules, detecting bots or other malicious traffic though security services, and growing in popularity, edge compute. Definitely worth a read! But what happens when it doesn't?

Servers 57

Servers Cache Retail Benchmarking 57

SQL Performance

JANUARY 22, 2020

By their very definition, table-valued parameters are strongly-typed to a user-defined table type that must exist within the database where the call is being made. The DataTable can be created multiple ways in the.NET code, but a common way to create the table is something like the following: System. DataTable SchemaTable = new System.

Servers 55

Servers Azure Hardware Network 55

The Morning Paper

JUNE 30, 2019

Here’s the set-up as relayed to me by Pat (with permission): At work, I am part of a good sized team working on a large system implementation. One of the very senior engineers with 25+ years experience mentioned a problem with the system. The equilibrium state of such a system is for everyone to be in a convoy behind the slowest car.

Traffic 75

Traffic Latency Programming Scalability 75

Smashing Magazine

JUNE 29, 2021

And once all that is done: remember Jamstack serves our apps from the edges of the Content Delivery Network. So we still need to move things from the server they were compiled at to the edges of the network. If an app has a medium to a large amount of routes, it is definitely worth considering the ODB strategy. Number of Pages.

Cache 132

Cache Website Strategy Traffic 132

Testsigma

JANUARY 7, 2022

In 2016, Google made it clear that since mobile traffic is more than all else, mobile-friendly websites will be prioritised when a user searches on mobile. From mobile applications to chatbots to predictive systems, AI is growing its foot in every direction. 2015 saw the trend of scriptless testing and IoT focussed methodologies.

Artificial Intelligence 89

Artificial Intelligence IoT Software Software 89

Alex Russell

JULY 14, 2021

Meanwhile, on Android, the #2 and #3 sources of web traffic do not respect browser choice. The predominant desktop situation is relatively straightforward: Browsers handle links, and non-browsers defer loading http and https URLs to the system, which in turn invokes the default browser. The Baseline Scenario #. " you might ask?

Google 121

Google Mobile Engineering Internet 121

The Netflix TechBlog

JANUARY 11, 2022

Data Scientists play a vital role in building automated systems that leverage causal inference to decide how we spend our advertising budget. We don’t have unlimited traffic or time, so sometimes we have to make hard choices. In advertising, the treatments (the ads that we purchase) have a direct monetary cost to Netflix.

Innovation 243

Innovation Metrics Engineering Testing 243

The Netflix TechBlog

FEBRUARY 9, 2021

The homepage needs to load in a reasonable amount of time, even in poor network conditions. However, it would be cost-inefficient to leverage this same hardware for lightweight and more consistent traffic patterns that an asset management service requires. Let’s put it all together and review the system interaction diagram.

Engineering 165

Engineering Storage Latency Entertainment 165

Apica

NOVEMBER 15, 2019

Support a wide variety of devices and application types –The platform should be optimized to support multiple devices, implementations, and Operating Systems. Security-related load testing –The solution should be able to simulate Distributed Denial of Service (DDoS) attacks based on both volume and malware traffic patterns.

Performance Testing 40

Performance Testing Testing Performance Games 40

Alex Russell

JUNE 22, 2022

World-class experts in graphics, networking, cryptography, databases, language design, VM implementation, security, usability (particularly usable security), power management, compilers, fonts, high-performance layout, codecs, real-time media, audio and video pipelines, and per- OS specialisation are required. The Best Kind Of Correct #.

Engineering 110

Engineering Traffic Government Google 110

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

Smashing Magazine

MARCH 7, 2022

This is helpful for those on poor or expensive networks, so they don’t have to pay an exorbitant cost just to visit your website. However, the above table is not actually representative of total traffic, and that’s another point to note about this data. Network Signals. save the user’s data! There are a few downsides to ECT.

Website 105

Website Media Mobile Network 105

Percona

MAY 2, 2023

As a MongoDB user, it’s crucial to ensure that your data is safe and secure in the event of a disaster or system failure. Regular database backups are essential to protect against data loss caused by system failures, human errors, natural disasters, or cyber-attacks. Why are MongoDB database backups important?

Best Practices 52

Best Practices Database Storage Servers 52

Smashing Magazine

JUNE 25, 2020

Definitions. This strategy is very simple and closely resembles the development environment, but cannot handle large or inconsistent amounts of traffic effectively. Imagine a professional networking site with a database of users. Previous Parts In The Series: Part 1 : User Models And Authentication. Media Files. In Conclusion.

Media 70

Media Cache Storage AWS 70

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. It also lets you perform mobile website testing on throttling network conditions – a scenario that is so real in today’s world where the usage of mobile internet is rising at an alarming rate! Mobile Friendliness Testing.

Website 98

Website Mobile Testing Strategy 98

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. Budgets are scaled to a benchmark network & device. Tools and CI systems help them monitor progress & prevent regressions. The median user is on a slow network. Global Ground-Truth. Where to start?

Performance 68

Performance Benchmarking Network Mobile 68

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. CrUX generates an overview of performance distributions over time, with traffic collected from Google Chrome users. If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled 3G network (e.g.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled 3G network (e.g. To make the performance impact more visible, you could even introduce 2G Tuesdays or set up a throttled 3G/4G network in your office for faster testing. 300ms RTT, 1.6 Mbps down, 0.8

Performance 145

Performance Cache Network Metrics 145

Brendan Gregg

SEPTEMBER 5, 2017

What follows are topics that may be of interest to anyone looking to migrate their systems and skillset: scan these to find topics that interest you. ## ZFS ZFS is available for Linux via the [zfsonlinux] and [OpenZFS] projects, and more recently was included in Canonical's Ubuntu Linux distribution: Ubuntu Xenial 16.04 LTS (April 2016).

Virtualization 76

Virtualization AWS Engineering Hardware 76

Smashing Magazine

JANUARY 7, 2019

If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled network (e.g. To make the performance impact more visible, you could even introduce 2G Tuesdays or set up a throttled 3G network in your office for faster testing. 150ms RTT, 1.5 Mbps down, 0.7 Mbps up) with a throttled CPU (5× slowdown).

Performance 104

Performance Cache Metrics Network 104

SQL Performance

JUNE 10, 2020

Unlike the conceptual treatment of the data which is based on a mathematical model and a standard language, and hence is very similar in the various relational database management systems out there, the physical treatment of the data is not based on any standard, and hence tends to be very platform-specific.

C++ 109

C++ Database Servers Code 109

SQL Performance

JUNE 10, 2020

Unlike the conceptual treatment of the data which is based on a mathematical model and a standard language, and hence is very similar in the various relational database management systems out there, the physical treatment of the data is not based on any standard, and hence tends to be very platform-specific.

C++ 93

C++ Database Servers Code 93

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. An often used metaphor is that of a pipe used to transport water. Congestion Control.

Performance 107

Performance Network Latency Servers 107

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. Servers and Networks.

Network 107

Network Servers Cache Traffic 107