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. Yes, we are committed to supporting the open-source community.

Open Source 252

Open Source Software Engineering Internet Internet 252

Dynatrace

SEPTEMBER 23, 2021

Application developers commonly leverage open-source software when building containerized applications. In fact, the market research firm Forrester says that the average container image is comprised of 70% open-source software.[1] 1] And unfortunately, open-source software is often fraught with security vulnerabilities.

Open Source 243

Open Source Benchmarking Best Practices Network 243

Dynatrace

JUNE 9, 2021

Web application security is the process of protecting web applications against various types of threats that are designed to exploit vulnerabilities in an application’s code. Data from Forrester Research provides more detail, finding that 39% of all attacks were designed to exploit vulnerabilities in web applications.

Open Source 178

Open Source Entertainment Tuning Internet 178

Dynatrace

JUNE 17, 2021

At the same time, cloud-native technologies and open-source software have introduced a new level of speed and complexity. The approaches that are currently available simply aren’t good enough: Many companies use the Common Vulnerabilities Scoring System (CVSS) for prioritization. The CVSS score is risk-averse by design.

Open Source 194

Open Source Internet Internet Cloud 194

Dynatrace

SEPTEMBER 22, 2021

Organizations use this kind of APM to ensure reliable system performance, optimize service performance and response times, and improve the user experience. Organizations often start their APM journey by implementing APM tools which are typically designed to look at one specific aspect of application performance.

Innovation 197

Innovation Open Source Monitoring Infrastructure 197

Brendan Gregg

JULY 4, 2021

I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book. TCP Extensions for Multipath Operation with Multiple Addresses,” [link] Mar 2020 - [Gregg 20] Brendan Gregg, “Systems Performance: Enterprise and the Cloud, Second Edition,” Addison-Wesley, 2020 - [Hruska 20] Joel Hruska, “Intel Demos PCIe 5.0

Performance 140

Performance Latency Hardware Storage 140

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person! Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. 2021-01-11T15:30:13+00:00. 2021-01-11T16:06:07+00:00. Without a strong alignment between dev/design and business/marketing teams, performance isn’t going to sustain long-term. Vitaly Friedman.

Performance 145

Performance Cache Media Metrics 145

Enprowess

SEPTEMBER 20, 2021

React vs Vue: Which one to choose in 2021? is a structural, open-source progressive JavaScript framework used to build complex UIs and single-page applications (SPAs). It is an open-source front-end library based on JavaScript used in web development for creating interactive components and User Interfaces.

Open Source 52

Open Source Mobile Scalability Google 52

Adrian Cockcroft

MAY 23, 2022

I keynoted 20 AWS Summits around the world, presented on technical and management topics at many events, and hired the open source community engagement team. I joined Amazon in October 2016, as a VP in AWS Marketing focused on building relationships with customers.

IoT 98

IoT AWS Open Source Design 98

Dynatrace

AUGUST 18, 2022

But managing the breadth of the vulnerabilities that can put your systems at risk is challenging. Security vulnerabilities are weaknesses in applications, operating systems, networks, and other IT services and infrastructure that would allow an attacker to compromise a system, steal data, or otherwise disrupt IT operations.

Traffic 159

Traffic Java Network DevOps 159

The Netflix TechBlog

DECEMBER 11, 2020

This gives us access to Netflix’s Java ecosystem, while also giving us the robust language features such as coroutines for efficient parallel fetches, and an expressive type system with null safety. For storing schema changes, we use an internal library that implements the event sourcing pattern on top of the Cassandra database.

Architecture 249

Architecture Best Practices Engineering Open Source 249

Percona

AUGUST 17, 2023

PostgreSQL is open source relational database management software. StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. It has evolved steadily, however, during 25 years as an open source project. What is PostgreSQL used for? Is PostgreSQL enterprise-ready?

Open Source 78

Open Source Healthcare Social Media Database 78

Smashing Magazine

AUGUST 10, 2021

2021-08-10T11:45:00+00:00. 2021-08-10T13:04:46+00:00. On design systems, CSS/JS and UX. Indiepen is our first open-source project and we are very excited to share our ideas with you. Last but not least, I’d like to mention that Indiepen has a limited scope and we want to keep it simple by design.

Code 109

Code Website Open Source Design 109

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. Therefore, DBAs must take a piecemeal approach to achieve HA with PostgreSQL, bringing together open source extensions and tools from multiple sources. there cannot be high availability.

Availability 83

Availability Open Source Architecture Database 83

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person! Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

Brendan Gregg

JULY 4, 2021

I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book. TCP Extensions for Multipath Operation with Multiple Addresses,” [link] Mar 2020 - [Gregg 20] Brendan Gregg, “Systems Performance: Enterprise and the Cloud, Second Edition,” Addison-Wesley, 2020 - [Hruska 20] Joel Hruska, “Intel Demos PCIe 5.0

Performance 52

Performance Latency Hardware Storage 52

Percona

DECEMBER 12, 2022

Percona is a leading provider of unbiased open source database solutions that allow organizations to easily, securely, and affordably maintain business agility, minimize risks, and stay competitive. Added two new settings to the InnoDB_doublewrite system: DETECT_ONLY. It’s time for the release roundup!

Open Source 62

Open Source Azure Database Servers 62

Dynatrace

JANUARY 19, 2022

As dynamic systems architectures increase in complexity and scale, IT teams face mounting pressure to track and respond to the activity in their multi-cloud environments. Teams can understand exactly which systems and services are affected and have a clear path of action. Modern observability vs. monitoring. AIOps solution.

Artificial Intelligence 173

Artificial Intelligence DevOps Performance Games 173

Dynatrace

JUNE 1, 2021

Practitioners use APM to ensure system availability, optimize service performance and response times, and improve user experiences. Even a conflict with the operating system or the specific device being used to access the app can degrade an application’s performance. Advantages of a platform approach to APM.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

Smashing Magazine

MARCH 2, 2021

2021-03-02T16:30:00+00:00. 2021-04-14T15:55:39+00:00. State Of Mobile 2021. While many of us, designers and developers, are likely to have a relatively new mobile phone in our pockets, a vast majority of our customers isn’t quite like us. What’s a representative device to test on in 2021? Kelvin Omereshone.

Mobile 133

Mobile Testing Website Benchmarking 133

Smashing Magazine

MARCH 19, 2021

2021-03-19T13:30:00+00:00. 2021-03-19T15:28:04+00:00. In fact, we had to look into various cases for the form design: What happens when no data is provided at all? Given that a vast majority of our readers — wonderful people like you — are using autofill, it’s worth spending time designing an experience around it.

Mobile 140

Mobile Design Cache Code 140

Enprowess

SEPTEMBER 28, 2021

Since it’s an open-source JavaScript library, developers can access plenty of tools and resources for developing an excellent web app. React lacks MVC design. Source: [link]. Preact is an alternative to React developed by Jason Miller and many contributors under the open-source MIT license.

Open Source 52

Open Source Mobile Entertainment Virtualization 52

Smashing Magazine

SEPTEMBER 2, 2021

2021-09-02T12:00:00+00:00. 2021-09-02T15:09:03+00:00. JavaScript Design Patterns. Image source: Flex Box Adventure ). Knights of the Flexbox Table is another well-designed interactive course to help you learn the different aspects of the flexbox specification. On design systems, CSS/JS and UX.

Development 145

Development Games Education Programming 145

Percona

NOVEMBER 2, 2023

This blog was originally published in Sept 2021 and was updated in November 2023. Following the series of blogs started by Peter Zaitsev in Installing MySQL with Docker , on deploying Docker containers running open source databases, in this article, I’ll demonstrate how to install and run PostgreSQL using Docker.

Database 70

Database Open Source Scalability Virtualization 70

Percona

AUGUST 18, 2023

root@ip-172-31-128-38 share]# cat /usr/lib/systemd/system/mysqld@.service TimeoutSec=0 # Execute pre and post scripts as root PermissionsStartOnly=true # Needed to create system tables #ExecStartPre=/usr/bin/mysqld_pre_systemd %I # Start main service ExecStart=/usr/bin/mysqld --defaults-file=/etc/prod3306.cnf Version: '8.0.19-10'

Programming 84

Programming Servers Database Hardware 84

Smashing Magazine

JUNE 8, 2021

2021-06-08T12:00:00+00:00. 2021-06-08T14:53:55+00:00. Using responsive images is a key part of delivering fully responsive web design. Addy is the author of the book Learning JavaScript Design Patterns. TypeScript In 50 Lessons Everything you need to know about TypeScript, its type system, generics and its benefits.

Media 105

Media Cache Google Best Practices 105

Smashing Magazine

APRIL 28, 2021

2021-04-28T13:20:00+00:00. 2021-04-28T14:35:12+00:00. Using responsive images is a key part of delivering fully responsive web design. Designed by Espen Brunborg and Nadia Snopek. Addy is the author of the book Learning JavaScript Design Patterns. Meet Image Optimization, A New Smashing Book By Addy Osmani.

Media 92

Media Cache Google Best Practices 92

Dynatrace

APRIL 20, 2022

Kitchen System Outages : 10% faster MTTR and 70% more visibility. Kitopi is a very dynamic system that handles a high volume of food orders coming in from various sources, e.g.: websites, mobile apps or even 3 rd parties that leverage our API to push orders. In 2021 we decided to create a “Command Center Unit”.

Metrics 192

Metrics Mobile Internet Internet 192

Alex Russell

AUGUST 30, 2021

Apple's February 2021 response to the Australian Competition & Consumer Commission (PDF). 2021 court arguments in the case of EPIC Games vs. Apple (slide image). Does Apple restrict, in any way, the ability of competing web browsers to deploy their own web browsing engines when running on Apple's operating system?

Engineering 98

Engineering Open Source Website Operating System 98

Enprowess

AUGUST 24, 2021

JavaScript is the leading technology for front-end web development , with JavaScript frameworks, developers can gain more grip over UI designing and functionalities. React is one of the open-source JavaScript libraries used chiefly for front-end designing and mobile app development. Ant Design. Create-React-App.

Open Source 83

Open Source Mobile Design Code 83

Smashing Magazine

JUNE 2, 2021

2021-06-02T10:30:00+00:00. 2021-06-02T13:32:39+00:00. The project consisted of upgrading the shop software to our own open-source system and redoing the shop’s front end from scratch. The design was made by a design and UX agency that also handled the HTML prototype (based on Bootstrap 4).

Performance 115

Performance Cache Website Mobile 115

The Netflix TechBlog

JANUARY 24, 2022

There are roughly 50 performance tests, each one designed to reproduce an aspect of member engagement. In March 2021 we still used static thresholds for regression alerts. By October 2021 we had switched using anomaly detection for regression alerts. Their utility extends well beyond performance analysis.

Performance 199

Performance Metrics Performance Testing Testing 199

Enprowess

SEPTEMBER 7, 2021

is a server-side, open-source, JavaScript runtime environment that allows developers to write JavaScript on the client and the server-side. The technology develops single-page applications , websites, and backend API services designed with real-time and push-based architectures. supports an open-source community.

Open Source 52

Open Source Virtualization Programming Servers 52

Alex Russell

JULY 14, 2021

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. Instead, they load content referred by their hosting native app in system-provided WebViews. The Baseline Scenario #.

Google 121

Google Mobile Engineering Internet 121

Percona

JUNE 20, 2023

In order to overcome these issues, the concept of paging and segmentation was introduced, where physical address space and virtual address space were designed. Paging This was designed to allow non-contiguous space allocation to processes. Percona is committed to strengthening the open source community and has acknowledged the issue.

Programming 83

Programming C++ Database Virtualization 83

O'Reilly

MAY 25, 2021

OpenAI’s text generating system GPT-3 has captured mainstream attention. Indeed, Google recently announced LaMDA , a model at GPT-3 scale that is designed to participate in conversations. Open source projects such as EleutherAI have drawn inspiration from GPT-3. These models will continue to become more powerful.

Social Media 138

Social Media Media Internet Internet 138