The Netflix TechBlog

OCTOBER 28, 2021

During earlier years of my career, I primarily worked as a backend software engineer, designing and building the backend systems that enable big data analytics. In 2017, I attended the Women in Big Data conference at Netflix and met with several amazing women in data engineering, including our VP.

Data Engineering 173

Data Engineering Engineering Big Data Software Engineering 173

SQL Performance

SEPTEMBER 12, 2019

However, this operator has a few shortcomings, among them an inherent design trap that can result in bugs in your code. However, the actual query output shows many more rows: shipperid 2017 2018 2019 -- -- -- -- 3 1 0 0 1 1 0 0 2 1 0 0 1 1 0 0 2 1 0 0 2 1 0 0 2 1 0 0 3 1 0 0 2 1 0 0 3 1 0 0. 830 rows affected).

Best Practices 103

Best Practices C++ Code Design 103

Brendan Gregg

FEBRUARY 28, 2023

Titus, the Netflix container management platform, is now open source,” [link] , Apr 2018 [Cutress 19] Dr. DDR6: Here's What to Expect in RAM Modules,” [link] , Nov 2020 [Salter 20] Jim Salter, “Western Digital releases new 18TB, 20TB EAMR drives,” [link] , Jul 2020 [Spier 20] Martin Spier, Brendan Gregg, et al.,

Performance 52

Performance Latency Cache Virtualization 52

Brendan Gregg

JULY 4, 2021

BBR: Congestion-Based Congestion Control,” [link] 2016 - [Gregg 16] Brendan Gregg, “Unikernel Profiling: Flame Graphs from dom0,” [link] Jan 2016 - [Gregg 16b] Brendan Gregg, “Linux 4.X

Performance 52

Performance Latency Hardware Storage 52

SQL Performance

DECEMBER 11, 2019

The designers of SQL chose not to get into the distinction of applicable versus inapplicable missing values, and provided us with the NULL as a marker for any kind of missing value. For the most part, SQL was designed to assume that NULLs represent the Missing But Applicable kind of missing value. However, NOT UNKNOWN remains UNKNOWN.

Best Practices 117

Best Practices C++ Database Code 117

SQL Performance

AUGUST 14, 2019

Either as a fast in-memory spool that was especially designed for window functions, or as a slow on-disk spool, which is essentially a temporary table in tempdb. 2017-07-04 10248 440.00 2017-07-05 10249 1863.40 2017-07-08 10250 1552.60 2017-07-08 10251 654.06 2017-07-09 10252 3597.90 2017-07-05 10249 1863.40

Best Practices 108

Best Practices Servers Database Azure 108

ACM Sigarch

APRIL 26, 2018

BPU: Brain Processing Unit is the design of the AI chips by Horizon Robotics. They unveiled their first two embedded AI chips fabricated with TSMC 40nm process in December 2017: “Journey 1.0 With its modular architecture, DLA is scalable, highly configurable, and designed to simplify integration and portability.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Dynatrace

DECEMBER 16, 2019

Technical Debt—Dilbert Comic Strip on 2017-01-03. The sudden lure of artificial intelligence (AI) and machine learning (ML) systems designed for IT brings new urgency to the topic of intellectual debt. Even small amounts of technical debt compound as new code branches from old, further embedding the shortcomings into the system.

Artificial Intelligence 147

Artificial Intelligence Traffic Efficiency Innovation 147

All Things Distributed

MARCH 30, 2017

This weekend I am travelling to Australia for the first AWS Summit of 2017. In the early nineties, Mendel Rosenblum and John Ousterhout had made a major breakthrough in the design of file systems with " The Design and Implementation of a Log-Structured File System." At times, it makes research unsuitable for production (e.g.

Systems 92

Systems AWS Design Technology 92

Brendan Gregg

APRIL 27, 2023

Observability tools are designed have the lowest overhead possible so that they are safe to run in production while analyzing an active performance issue. BPF for security monitoring was first explored by myself and a Netflix security engineer, Alex Maestretti, in a 2017 BSides talk (some slides below).

Open Source 52

Open Source Monitoring Engineering Design 52

All Things Distributed

OCTOBER 17, 2016

In the remainder of 2016 and inq 2017, we will launch another four AWS regions in Canada, China, the United Kingdom, and France, adding another nine AZs to our global infrastructure footprint. It brings the worldwide total of AWS Availability Zones (AZs) to 38, and the number of regions globally to 14.

AWS 127

AWS Cloud Infrastructure Analytics 127

The Netflix TechBlog

MAY 1, 2019

In late 2017, we received some critical feedback from the brothers on the Stranger Things 2 audio mix: in some scenes, there was a reduced sense of where sounds are located in the 5.1-channel Adaptive streaming is a technology designed to deliver media to the user in the most optimal way for their network connection.

Engineering 274

Engineering Network Media Entertainment 274

All Things Distributed

SEPTEMBER 25, 2017

2017 continues a busy year for AWS in the Middle East. We have supported the development of technology skills across the region with Training and Certification programs to help customers develop skills to design, deploy, and operate their infrastructure and applications on the AWS Cloud.

Cloud 152

Cloud Education Energy Government 152

SQL Server According to Bob

FEBRUARY 10, 2019

SQL Server 2017 introduced a small change to SQL Server’s default worker thread calculation, accounting for smaller environments. The design takes into account smaller environments which few CPU and Memory resources as well as larger CPU and Memory systems. When running on smaller environments SQL Server reduces the worker target.

Servers 40

Servers Design Systems 40

Smashing Magazine

JUNE 3, 2022

What would the world’s most ideal, best practice and design research-driven highly legible serif, sans serif, and slab serif possibly be like? How good is a new typeface, and how good is it compared to a similar typeface designed in previous years? How well does a typeface work and perform against another similar typeface?

Performance 110

Performance Design Best Practices Testing 110

Tech News Gather

NOVEMBER 15, 2022

Apple’s official move into augmented reality was announced at WWDC in 2017. ” The VR and XR gear will have a futuristic design. Say you want to know who designed and built a beautiful structure. Augmented reality (AR) is already making a big splash on mobile. Your lenses could overlay information before your eyes.

Development 52

Development Virtualization Government Media 52

Percona

AUGUST 17, 2023

StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. From migrations, database design, and architecture … to performance assessment and tuning … to proactive monitoring and management of your databases — you’re covered.

Open Source 82

Open Source Healthcare Social Media Database 82

SQL Server According to Bob

FEBRUARY 15, 2018

Microsoft engineering is actually sending quite a few folks over the Atlantic to come talk about SQL Server 2017, SQL Server on Linux, GDPR, Performance, Security, Azure Data Lake, Azure SQL Database, Azure SQL Data Warehouse, and Azure CosmosDB. Azure Cosmos DB: design patterns and case studies – Andrew Liu.

Engineering 40

Engineering Azure Best Practices Servers 40

The Netflix TechBlog

OCTOBER 19, 2020

Now let’s look at how we designed the tracing infrastructure that powers Edgar. By 2017, open source projects like Open-Tracing and Open-Zipkin were mature enough for use in polyglot runtime environments at Netflix. Investigating a video streaming failure consists of inspecting all aspects of a member account.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

CSS - Tricks

OCTOBER 23, 2019

Here’s an interesting tidbit from that link: According to CNBC , the number of lawsuits over inaccessible websites jumped 58 percent last year over 2017, to more than 2,200. Inaccessible websites are not just a consideration for designers and engineers but a serious problem for a company’s legal team as well.

Website 54

Website Best Practices Engineering Design 54

Rigor

SEPTEMBER 11, 2019

His keynote address from O’Reilly Fluent 2017, Reflecting on 20 years on the web , is a must-see. He served as the Editor-in-Chief of Smashing Magazine until October 2017 when he passed the baton to the remarkable Rachel Andrew. Most recently, he launched a fantastic new HTML5 Mastery… course. Patrick Hamann. Scott Jehl.

Performance 89

Performance Education Google Website 89

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. This essentially means that your website should not only be mobile-friendly but it should also have a Responsive Web Design so that your target customers can access your products (or services) with ultra-ease on their hand-held devices.

Website 98

Website Mobile Testing Strategy 98

Speed Curve

OCTOBER 25, 2023

I joined the team in early 2017, and I'm blown away at how quickly the years have flown by. Run A/B tests on design and code variations With synthetic monitoring, it's super easy to benchmark not only your site versus a competitor's, but also variations of your own URLs. We're officially in our tweens! Cue the mood swings?)

Benchmarking 62

Benchmarking Metrics Website Monitoring 62

Testsigma

JANUARY 13, 2021

Studies show that in 2017, the worldwide failure rate of iOS apps was as high as 54%, with Android apps crashing 10% of the time. Companies must complete this review process before even finishing the new feature’s wireframe design. Even a small bug will make consumers avoid, uninstall and leave bad reviews for your application.

Mobile 54

Mobile Strategy Testing Efficiency 54

Percona

JUNE 4, 2023

This blog post was originally published in November 2017 and was updated in June 2023. While originally designed to be a drop-in replacement for MySQL, it evolved into its own distinct database management system and is now maintained and supported by the MariaDB Foundation. 3 GA 23 May 2017 10.2.6 GA 28 April 2011 5.5.11-20.2

Open Source 52

Open Source Servers Storage Scalability 52

The Morning Paper

OCTOBER 15, 2019

There are thousands of different ransomware strains in existence today, varying in design and sophistication. population were affected over the one year period between June 2016 to June 2017 under the conservative and inclusive regimes, respectively. Following reclassification, we estimate that the overall proportion of the U.S.

Software 52

Software Software Strategy Design 52

O'Reilly

APRIL 23, 2024

Back in 1971, in a talk called “ Designing Organizations for an Information-rich World ,” political scientist Herbert Simon noted that the cost of information is not just money spent to acquire it but the time it takes to consume it. What is the limited resource that they control and monopolize? It’s not our data. It’s our attention.

Social Media 108

Social Media Google Internet Internet 108

The Agile Manager

JULY 31, 2020

Unfortunately, that volume is staying on manufacturer and dealer balance sheets, because legacy automakers are designing and building EVs that few want to buy. The Cruze sold more in decline than Chevy sold EVs at their peak: 43,669, in 2017. Plenty of automakers are building EVs at volume. Build EVs, check.

Innovation 52

Innovation Automotive Transportation Strategy 52

Brendan Gregg

MAY 16, 2017

We're on the EC2 cloud, which has great scalability, and our own cloud architecture of microservices is also designed for scalability. html [The PMCs of EC2]: /blog/2017-05-04/the-pmcs-of-ec2.html That'd make a great story, but it didn't happen. But there was no single crisis point. eBPF]: /blog/2016-10-27/dtrace-for-linux-2016.html

Java 75

Java Entertainment Engineering Scalability 75

CSS Wizardry

APRIL 2, 2018

Here are my top five most-played tracks of 2017’s 70,000 minutes: However, after recently discussing one of my all-time favourite tracks with a friend, and, bizarrely enough, with Nu:Tone himself, I decided that I wanted to start taking my listening a little more seriously. At home, I’m used to just streaming Spotify through an Amazon Echo.

Website 108

Website Media Hardware Monitoring 108

O'Reilly

FEBRUARY 18, 2020

The shift to cloud native design is transforming both software architecture and infrastructure and operations. Up until 2017, the ML+AI topic had been amongst the fastest growing topics on the platform. R-related usage on O’Reilly online learning fell by 8% between 2017-18 and by 6%, year-over-year, in 2019. Coincidence?

Software Architecture 134

Software Architecture DevOps Data Engineering Architecture 134

CSS - Tricks

MARCH 13, 2019

The answer, in turn, depends on the answers to these questions: Are the images created dynamically by the user or statically by a design team? Static : A photographer, designer, or you (the developer) create the images for the website. — Harry Roberts (@csswizardry) March 1, 2017. Strategy for dynamic images.

Media 72

Media Artificial Intelligence Strategy Open Source 72

The Netflix TechBlog

FEBRUARY 13, 2024

To summarize, here are the design requirements of our canary testing system: Identify bugs and performance regressions, as measured by play-delay, as quickly as possible. We now build out a sequential testing procedure that meets these design requirements. A total of 66 out of 100 A/A simulations falsely rejected the null hypothesis.

Testing 239

Testing Software Software Metrics 239

SQL Performance

SEPTEMBER 17, 2019

For years SSRS was bundled with the installation of SQL Server, which helped add to some of the confusion around licensing and support for the product, so beginning with SSRS 2017, the installation package for Reporting Services is a separate download. These files consist of: Rsreportserver.config. Rssvrpolicy.config. Rsmgrpolicy.config.

Tuning 67

Tuning Servers Database Best Practices 67

Smashing Magazine

JULY 11, 2019

Inspired Design Decisions: Pressing Matters. Inspired Design Decisions: Pressing Matters. Its publishers hope to inspire newcomers to printmaking, but as I thumbed through its pages, I found there is plenty about the design of Pressing Matters which can inspire web designers too. Andrew Clarke. 2019-07-11T12:30:59+02:00.

Design 92

Design Media Mobile Energy 92

ACM Sigarch

FEBRUARY 23, 2018

Richard Thaler won the 2017 Nobel prize in Economics for his work on Behavioral Economics. In industry, generally due to time-to-market restrictions, we tend to think extremely short term with evolutionary design changes rather than riskier revolutionary ideas that have a longer timeline for returns.

Architecture 47

Architecture Cache Hardware Virtualization 47

SQL Performance

MAY 13, 2020

By the way, this function was added in SQL Server 2017, so if you're running the code in an earlier version, feel free to replace this computation with an alternative computation of your choosing.) Design flaws. Derived tables have two main shortcomings in their design. Consider the following query as an example: SELECT CUR.

C++ 143

C++ Code Design Servers 143