The Netflix TechBlog

JULY 22, 2024

What is Maestro Maestro is a general-purpose, horizontally scalable workflow orchestrator designed to manage large-scale workflows such as data pipelines and machine learning model training pipelines. The transition was seamless, and Maestro has met our design goals by handling our ever-growing workloads. increase in executed jobs.

Strategy 260

Strategy Scalability Code Engineering 260

DZone

NOVEMBER 9, 2021

If you start catching bugs early, it will save you tons of time fixing them later.nn> Design reviewnnIt’s a very powerful tool when used in a good way. I really like what one of the smartest people with whom I worked said: “A good design is a design where you can see the code”. There are so many benefits.

Software 245

Software Software Code Design 245

Smashing Magazine

AUGUST 5, 2021

Frustrating Design Patterns: Disabled Buttons. Frustrating Design Patterns: Disabled Buttons. After all, as designers and developers, we want to make it more difficult for our users to make mistakes. Part Of: Design Patterns. Vitaly Friedman. 2021-08-05T13:30:00+00:00. 2021-08-05T17:04:11+00:00. Part 1: Perfect Accordion.

Design 145

Design Transportation Code Systems 145

The Netflix TechBlog

MAY 19, 2023

Netflix application identities are fundamentally attribute based: e.g. an instance of the Data Processor runs in eu-west-1 in the test environment with a public shard. To do so Netflix’s design required: An event based mechanism that could ingest information about application autoscaling groups. What was problematic about this design?

Cache 257

Cache Google Open Source Systems 257

DZone

FEBRUARY 27, 2021

This begins not only in designing the algorithm or coming out with efficient and robust architecture but right onto the choice of programming language. But these are definitely ruled out for enterprise applications due to the complexity in development, maintainability, need for object orientation, and interoperability.

Java 214

Java C++ Benchmarking Programming 214

The Netflix TechBlog

FEBRUARY 3, 2021

Instead, the schema gets generated at runtime based on definitions in code. At Netflix we strongly prefer schema-first development because: The schema design is front and center of the developer experience. Another key feature is support for lightweight query tests. The tests look and feel like plain JUnit tests.

Open Source 246

Open Source Java Architecture Metrics 246

O'Reilly Software

MARCH 1, 2018

Sam Newman provides a succinct definition of microservices in Building Microservices : “Microservices are small, autonomous services that work together.”. Production-Ready Microservices — Learn how to design microservices that are stable, reliable, scalable, fault tolerant, performant, monitored, documented, and prepared for any catastrophe.

Architecture 80

Architecture Scalability Systems Code 80

Dynatrace

MAY 7, 2024

Fluent Bit is a telemetry agent designed to receive data (logs, traces, and metrics), process or modify it, and export it to a destination. Fluent Bit was designed to help you adjust your data and add the proper context, which can be helpful in the observability backend. What’s the difference between Fluent Bit and Fluentd?

Best Practices 255

Best Practices IoT Metrics Storage 255

Smashing Magazine

JUNE 26, 2019

What Web Designers Can Do To Speed Up Mobile Websites. What Web Designers Can Do To Speed Up Mobile Websites. I recently wrote a blog post for a web designer client about page speed and why it matters. However, their focus has always been on making a great-looking and effective design. Suzanne Scacca.

Website 111

Website Speed Mobile Design 111

Smashing Magazine

OCTOBER 15, 2021

Tips And Tricks For Evaluating UX/UI Designers. Tips And Tricks For Evaluating UX/UI Designers. When a company’s digital representation lacks a dedicated UX/UI design team, it can be hard to produce something that stands out from the crowd. That’s why you need a good UI/UX designer. Nataliya Sambir. And vice versa.

Design 114

Design Website Efficiency Processing 114

The Netflix TechBlog

JUNE 13, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience. This is where large-scale system migrations come into play.

Traffic 287

Traffic Metrics Systems Strategy 287

The Netflix TechBlog

FEBRUARY 16, 2021

However, with our rapid product innovation speed, the whole approach experienced significant challenges: Business Complexity: The existing SKU management solution was designed years ago when the engagement rules were simple?—?three Overall, it simplified SKU selections and increased our testing and product delivery confidence.

Mobile 220

Mobile Engineering Infrastructure Scalability 220

The Netflix TechBlog

OCTOBER 7, 2021

At Netflix, we have significant investments in ensuring new versions of our applications are well tested. However, Netflix is available for streaming on thousands of types of devices and it is powered by hundreds of micro-services which are deployed independently, making it extremely challenging to comprehensively test internally.

Metrics 209

Metrics Mobile Testing Strategy 209

Smashing Magazine

AUGUST 9, 2021

Smashing Podcast Episode 41 With Eva PenzeyMoog: Designing For Safety. Smashing Podcast Episode 41 With Eva PenzeyMoog: Designing For Safety. In this episode, we’re talking about designing for safety. What does it mean to consider vulnerable users in our designs? Design for Safety from A Book Apart. Drew McLellan.

Design 101

Design Education Processing Network 101

Smashing Magazine

NOVEMBER 11, 2021

From Good To Great In Dashboard Design: Research, Decluttering And Data Viz. From Good To Great In Dashboard Design: Research, Decluttering And Data Viz. Tossing out suboptimal parts of our design can be a daunting task, especially after you’ve invested hours of work into it. Definition. Design Validation.

Design 97

Design Best Practices Efficiency Testing 97

The Netflix TechBlog

MARCH 2, 2021

We use A/B tests to introduce new product features, such as our daily Top 10 row that help our members discover their next favorite show. Working on my PhD, I was using optimization techniques to design radiotherapy fractionation schemes to improve the results of clinical practices. Learning through data is in Netflix’s DNA.

Analytics 219

Analytics C++ Innovation Engineering 219

Dynatrace

MARCH 31, 2020

By investigating these questions, we distilled these two pain points: Following definition of application detection rules, some users don’t see traffic from the correct URLs in the corresponding Dynatrace applications (i.e., Gain control over the setup and testing of your application detection rules. Prerequisites.

Traffic 173

Traffic Mobile Monitoring Design 173

CSS Wizardry

SEPTEMBER 6, 2022

In a reduced test case like this, it’s blindingly obvious that Critical CSS is a wasted effort. We’ve fetched the file asynchronously but had zero impact on performance, because anything synchronous in the is render-blocking by definition. Test everything. before you were ready to go anyway. We’ve achieved nothing.

Media 356

Media Cache Network Website 356

Dynatrace

JUNE 15, 2021

Those tests get executed from two locations (Paris and London) hosted by different cloud vendors (Azure & AWS). As a general best practice, Synthetic Tests are great to validate your core use cases are always working as expected. Fact #3: Minimum impact detected through synthetics.

AWS 202

AWS Traffic Architecture Azure 202

CSS Wizardry

NOVEMBER 9, 2018

This is definitely a bug in WebKit/Blink—missing quotes shouldn’t hide the @import ed stylesheet from the Preload Scanner. console.log("I will not run until slow-loading-stylesheet.css is downloaded."); This is by design. Test, test, test. Test and measure. The same waterfall occurs in Opera and Safari.).

Network 279

Network Performance Media Cache 279

Testsigma

APRIL 4, 2022

A common theme among most software testing organizations is their escalating interest in Test Automation. While test automation has grown in popularity, there are still many myths and biases surrounding it. Such myths can unknowingly create a self-limiting boundary and negatively impact the possibilities of test automation.

Testing 95

Testing Open Source IoT Programming 95

Dynatrace

APRIL 10, 2023

But “the benefits are definitely worth the effort, provided you do it in a strategic way,” Bollampally said. ” Uninterrupted testing and multicloud observability Cluster monitoring also helped the company avoid performance issues during the A/B testing it conducted to evaluate the user experience.

Cloud 182

Cloud Ecommerce Performance Retail 182

Dynatrace

SEPTEMBER 28, 2021

While DevOps is often referred to as “agile operations,” the widely quoted definition from Jez Humble, co-author of The DevOps Handbook, calls it “a cross-disciplinary community of practice dedicated to the study of building, evolving, and operating rapidly-changing resilient systems at scale.” Change failure rate.

DevOps 213

DevOps Metrics Traffic Efficiency 213

Highly Scalable

AUGUST 14, 2012

One of the challenges we faced was very slow automatic tests — full unit/integration test suite takes more than 2 hours for Hadoop core and more than 9 hours for Apache Pig. Although there are different ways to alleviate this problem (divide tests into suites, optimize tests by tweaking timeouts and sleeps, etc.),

Speed 100

Speed Testing Java Lambda 100

Smashing Magazine

SEPTEMBER 5, 2019

Inspired Design Decisions: Alexey Brodovitch. Inspired Design Decisions: Alexey Brodovitch. Before writing Art Direction for the Web , I began to study Alexey Brodovitch when I became fascinated by editorial and magazine design. This book will make a fabulous addition to your design collection. Andrew Clarke.

Design 81

Design Media Website Development 81

Testsigma

JANUARY 29, 2021

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. Different screen resolutions and viewport sizes add another layer of complexity to mobile website testing.

Website 98

Website Mobile Testing Strategy 98

The Netflix TechBlog

SEPTEMBER 18, 2024

In this post, we dive deep into how Netflix’s KV abstraction works, the architectural principles guiding its design, the challenges we faced in scaling diverse use cases, and the technical innovations that have allowed us to achieve the performance and reliability required by Netflix’s global operations.

Latency 254

Latency Storage Cache Efficiency 254

Dynatrace

NOVEMBER 8, 2021

G2 Research includes a clear definition of APM in its Grid Report for Application Performance Monitoring for Spring 2021. ” APM vendors originally designed their solutions to quickly identify application performance issues in monolithic on-premises apps. User experience diagnostics. Insight into business KPIs.

Artificial Intelligence 240

Artificial Intelligence Monitoring Infrastructure Cloud 240

Percona

SEPTEMBER 1, 2023

test=# d warehouse Table "public.warehouse" Column | Type | Collation | Nullable | Default -+ + --+ -+ id | integer | | not null | name | text | | | code | integer | | | cost | real | | | quantity | integer | | not null | location | integer | | not null | Inherits: product, inventory The next step is to add some test data.

Open Source 110

Open Source Code Testing Database 110

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 testing stage took about two weeks.

Processing 240

Processing Media Latency Innovation 240

Strategic Tech

NOVEMBER 2, 2021

Practically everybody is doing domain-driven design in some form. It was before my time, but my understanding is that reason Eric Evans wrote the Domain-Driven Design (DDD) book in the early 2000s was to encourage better domain-driven design (ddd) practices in that era. What is domain-driven design (ddd)?

Design 52

Design Strategy Architecture Technology 52

Dynatrace

DECEMBER 2, 2021

To get a better handle on this, let’s start with some definitions. Stable, well-calibrated SLOs pave the way for teams to automate more processes and testing throughout the software delivery life cycle (SDLC). An SLO designed for the workload requirements right now may not be equally valid for future performance requirements.

Metrics 204

Metrics Best Practices DevOps Infrastructure 204

Percona

APRIL 11, 2023

In this blog post, we’ll put ourselves to the test and see if we can identify duplicate and redundant indexes in MySQL. The unique quiz Consider the following MySQL table definition. Test results Now, I believe you have your list of duplicate keys ready.

Database 97

Database Testing Open Source Design 97

CSS - Tricks

JUNE 1, 2021

Testing is one of those things that you either get super excited about or kinda close your eyes and walk away. Whichever camp you fall into, I’m here to tell you that front-end testing is for everyone. In fact, there are many types of tests and perhaps that is where some of the initial fear or confusion comes from. Integration.

Testing 95

Testing Performance Testing Website Code 95

DZone

APRIL 18, 2019

Software testing is important, period. days to uninstall an application from their smartphone, citing the reasons of space constraint, design complexity, usability issues, or a nasty bug rendering the application inoperable. On an average, users take 5.8 However, such an express delivery raises questions on the quality of end product.

Software 100

Software Software DevOps Speed 100

Strategic Tech

JULY 22, 2019

In Domain-Driven Design, a large system is decomposed into bounded contexts , which become natural boundaries in code as microservices and as teams in the organisation. The Bounded Context Design Canvas I designed this canvas based on the typical flow of strategic DDD workshops I run publicly and privately.

Design 76

Design Systems Processing Strategy 76

O'Reilly

FEBRUARY 15, 2022

We can start with a simple operational definition: Reading comprehension is what is measured by a reading comprehension test. That definition may only be satisfactory to the people who design these tests and school administrators, but it’s also the basis for Deep Mind’s claim. That definition itself is ambiguous.

Artificial Intelligence 119

Artificial Intelligence Testing Engineering Programming 119