The Netflix TechBlog

NOVEMBER 9, 2021

AV1 playback on TV platforms relies on hardware solutions, which generally take longer to be deployed. Throughout 2020 the industry made impressive progress on AV1 hardware solutions. With multiple iterations, the team arrived at a recipe that significantly speeds up the encoding with negligible compression efficiency changes.

Media 246

Media Open Source Efficiency Software Engineering 246

Percona

MAY 1, 2023

In this blog post, we will delve into the world of PostgreSQL performance tuning and establish some basic guidelines for setting database parameters to enhance the performance of your PostgreSQL database, based on the workload. What is PostgreSQL performance tuning?

Tuning 52

Tuning Efficiency Database Performance 52

The Morning Paper

NOVEMBER 3, 2019

An analysis of performance evolution of Linux’s core operations Ren et al., For example: “Red Hat and Suse normally required 6-18 months to optimise the performance an an upstream Linux kernel before it can be released as an enterprise distribution”, and. Google’s data center kernel is carefully performance tuned for their workloads.

Performance 108

Performance Benchmarking Tuning Hardware 108

KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. What is Performance Testing? In the context of web development, performance testing entails using software tools to simulate how an application runs under specific circumstances.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

HammerDB

APRIL 19, 2023

Predicting application performance is a difficult art, but an important one when choosing the target deployment environment. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. We will not concern ourselves with the raw throughput of workload.

Performance 54

Performance Benchmarking Cache Storage 54

Testsigma

JULY 3, 2021

If you’ve been performing on-premise testing in your organization, you know the rules already. But for the uninitiated, on-premise testing is a form of testing where testers perform tests on local machines, systems, or devices set up at an office. On-premise testing comes with a lot of responsibility.

Cloud 57

Cloud Testing Storage DevOps 57

Testsigma

JULY 25, 2020

Continuous Testing is the testing strategy to fast-track the testing required for achieving rapid software development using Agile and DevOps methodologies. What is Continuous Testing? Continuous Testing is the process of testing at all stages of software development – one after the other – without any human intervention.

Testing 55

Testing DevOps Performance Testing Infrastructure 55

The Morning Paper

OCTOBER 4, 2020

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption , Xu et al., Coverage is assessed with a walk-test (4-5km/h) over all road segments on the campus, monitoring the physical-layer information from both 5G and 4G at each location. Application performance. SIGCOMM’20.

Energy 130

Energy Latency Performance Network 130

Testsigma

SEPTEMBER 9, 2021

Cloud testing, in simple terms, means testing software applications using the resources provided by the cloud. Resources can be any element i.e., hardware, software, or infrastructure which are necessary to carry out tests. Cloud testing helps an organization gain competitiveness by reducing the cost of testing.

Cloud 59

Cloud Testing Mobile Scalability 59

The Netflix TechBlog

APRIL 17, 2019

Scalable Video Technology (SVT) is Intel’s open source framework that provides high-performance software video encoding libraries for developers of visual cloud technologies. 264/AVC, currently, the most ubiquitous video compression standard supported by modern devices, often in hardware. The success was repeated by H.264/AVC,

Open Source 166

Open Source Scalability Speed Efficiency 166

Dotcom-Montior

NOVEMBER 27, 2018

You’ve likely uttered the phrases “test early and often” and “shift left,” but do you always remind yourself of the importance of that phrase from the end user’s perspective? Your customers demand optimal performance, whether they’re the only user or one of a thousand. Identifying performance bottlenecks.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Scalegrid

JANUARY 25, 2024

Redis® is an in-memory database that provides blazingly fast performance. This makes it a compelling alternative to disk-based databases when performance is a concern. You might already use ScaleGrid hosting for Redis hosting to power your performance-sensitive applications.

Metrics 130

Metrics Monitoring Latency Cache 130

Testsigma

FEBRUARY 13, 2021

The world of automation testing is rapidly evolving and we need to keep up with the pace. It’s no rocket science that the demand for automation testing is massive — according to Markets & Markets , the automation testing market size is projected to grow from $12.6B What Is Cloud-Based Test Automation Tool?

Cloud 52

Cloud Testing Testing Tools Small Business 52

Testsigma

JANUARY 30, 2021

About two decades ago, testing was only limited to the desktop. With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing.

Mobile 52

Mobile Testing Website Internet 52

Dotcom-Montior

JUNE 15, 2020

The limited number access points, compounded with the fact that traffic is controlled by the Ministry of Industry and Information Technology, creates performance bottlenecks for all users in China when trying to access websites from inside and outside of the country. Final Thoughts: Monitoring Performance from the Great Firewall of China.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. In this article, we uncover how PageSpeed calculates it’s critical speed score. It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Recommended! PageSpeed 5.0

Google 71

Google Engineering Speed Mobile 71

Adrian Cockcroft

AUGUST 9, 2022

Having worked with something like 70 large and small companies over the past decade, the business processes and best practices have been tested and work well. The group has deep roots in High Performance Computing (that’s what Shahin, Steve, and I did at Sun).

IoT 52

IoT Best Practices AWS Media 52

Smashing Magazine

OCTOBER 27, 2021

The eye-tracking methodology can be extremely valuable for usability tests since it records the journey without interfering with the users’ natural behavior. Imagine, for example, that you test a prototype but discover that users are not interacting with the interface how they are supposed to. Mariana Macedo. 2021-10-27T10:00:00+00:00.

Mobile 113

Mobile Website Hardware Social Media 113

Alex Podelko

SEPTEMBER 8, 2020

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. How did you get into performance engineering? I remember really liking the technical side of these tests. What load testing tools did you use? As most things in life, by chance. What is your business model?

Open Source 223

Open Source Performance Testing Testing Performance 223

The Morning Paper

JANUARY 30, 2020

These use their regression models to estimate processing time (which will depend on the hardware available, current load, etc.). For these results, upload and download speed for mobile client to edge was set at 10 Mbs and 36 Mbps respectively, and for edge-to-edge and edge-to-cloud 42 Mbps and 118 Mbps respectively.

Mobile 104

Mobile Cloud Latency Games 104

SQL Performance

MARCH 17, 2020

Back in 2014, I wrote an article called Performance Tuning the Whole Query Plan. Test Environment. This machine has four i7 CPUs (hyperthreaded to 8) with a base speed of 2.4GHz. Each test result represents the best of ten runs, with all required data and index pages in memory. Performance is competitive at around 15ms.

Servers 86

Servers Tuning Database Efficiency 86

Alex Russell

JUNE 19, 2020

Moving this site to Eleventy and Netlify has been a great way to improve the performance of the deployed end-product, which was reason enough to make the switch. There's work in progress to make incremental builds possible for 11ty, but until then, the speed of a full build is the speed at which changes are visible. MiB | 2.99

Cache 49

Cache Hardware Speed Cloud 49

Percona

MARCH 23, 2023

This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7

Performance 124

Performance Hardware Tuning Storage 124

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you _time_ time?

Speed 126

Speed Java AWS Virtualization 126

MachMetrics

JULY 27, 2018

If you run a private WebPageTest instance on Amazon EC2, one of the choices you’ll have to make is whether to use Linux or Windows test agents. I had always been an advocate for the Windows AMIs – as most of the world runs Windows instead of Linux, I wanted the performance to represent what the majority sees.

Speed 40

Speed Hardware Internet Internet 40

VoltDB

JUNE 1, 2017

It was – like the hypothetical movie I describe above – more than a little bit odd, as you could leave a session discussing ever more abstract layers of virtualization and walk into one where they emphasized the critical importance of pinning a network interface to a specific VM for optimal performance.

Hardware 56

Hardware Latency Virtualization Cloud 56

VoltDB

JUNE 1, 2017

It was – like the hypothetical movie I describe above – more than a little bit odd, as you could leave a session discussing ever more abstract layers of virtualization and walk into one where they emphasized the critical importance of pinning a network interface to a specific VM for optimal performance.

Hardware 40

Hardware Latency Virtualization Cloud 40

The Agile Manager

SEPTEMBER 30, 2020

One school of thought is that the testing parameters were flawed: the sweeter taste of New Coke didn't pair as well with food as classic Coke, nor was a full can of the sweeter product as satisfying as one sip. And, while the hardware proved initially popular with corporate buyers, the competitive backlash was fierce.

Hardware 52

Hardware Social Media Media Strategy 52

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? To answer all these questions we need exhaustive mobile testing in place. Functional Testing.

Mobile 82

Mobile Testing Hardware C++ 82

Percona

AUGUST 30, 2023

In general terms, here are potential trouble spots: Hardware failure: Manufacturing defects, wear and tear, physical damage, and other factors can cause hardware to fail. heat) can damage hardware components and prompt data loss. Human mistakes: Incorrect configuration is an all-too-common cause of hardware and software failure.

Database 86

Database Hardware Open Source Strategy 86

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you time time?

Speed 52

Speed Java AWS Virtualization 52

All Things Distributed

DECEMBER 20, 2017

Take the example of industrial manufacturing: in prototyping, drafts for technologically complex products are no longer physically produced; rather, their characteristics can be tested in a purely virtual fashion at every location across the globe by using simulations. The German startup SimScale makes use of this trend.

Artificial Intelligence 79

Artificial Intelligence Social Media Logistics AWS 79

Alex Russell

JANUARY 30, 2024

The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance. Until and unless teams have better data about their performance, the global baseline budget should be enforced.

Performance 90

Performance Network Mobile Speed 90

Scalegrid

FEBRUARY 1, 2024

However, data loss is always possible due to hardware malfunction, software defects, or other unforeseen circumstances, just like with any computer system. Having MySQL backups for your database can speed up and simplify the recovery process. This ensures that the backup image is not corrupted and is restorable.

Best Practices 130

Best Practices Storage Strategy Database 130

Dynatrace

AUGUST 11, 2022

Effective application development requires speed and specificity. Before an organization moves to function as a service, it’s important to understand how it works, its benefits and challenges, its effect on scalability, and why cloud-native observability is essential for attaining peak performance. Increased testing complexity.

Development 244

Development Serverless Best Practices Lambda 244

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you _time_ time?

Speed 40

Speed Java AWS Virtualization 40

All Things Distributed

APRIL 5, 2012

Going forward well continue to employ a hybrid approach using RDS for the necessary transactional computation and services like DynamoDB for high performance and scalability for structured data. Building "incident creators" - servers which test our ability to maintain peak performance. hands freeÃ?

Innovation 146

Innovation AWS Education Network 146