The Netflix TechBlog

NOVEMBER 9, 2021

We were very pleased to see that AV1 streaming improved members’ viewing experience, particularly under challenging network conditions. 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.

Media 246

Media Open Source Efficiency Software Engineering 246

The Morning Paper

OCTOBER 4, 2020

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption , Xu et al., The first 5G networks are now deployed and operational. The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 SIGCOMM’20.

Energy 130

Energy Latency Performance Network 130

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

Dynatrace

OCTOBER 28, 2021

As software performance degrades or fails, the chaos engineers’ findings enable developers to add resiliency into the code, so the application remains intact in an emergency. Chaos testing enriches the organization’s intelligence about how software performs under stress and how to make it more resilient. Blast radius.

Engineering 225

Engineering Entertainment Cloud Infrastructure 225

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

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 52

Performance Latency Hardware Storage 52

Testlodge

NOVEMBER 12, 2021

Software testers explore the effectiveness of processes that should lead to quality software products to make sure they perform the purpose for which they have been designed. Results may vary because of factors like resolution, internet speed, and different OS versions. Why Perform Compatibility Testing? Conclusion.

Testing 78

Testing Hardware Operating System Mobile 78

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!

Performance 52

Performance Latency Cache Virtualization 52

Scalegrid

JANUARY 5, 2024

The DBMS is key to maintaining these aspects by offering a storage system that allows users to perform operations such as data insertion, deletion, and selection, thereby promoting enhanced data integration across diverse applications and platforms. Practical Applications of DBMS DBMS finds practical applications in various fields.

Efficiency 147

Efficiency Storage Database Scalability 147

Testsigma

APRIL 13, 2021

Interestingly, Xcode provides a testing framework called XCTest to write unit tests, performance tests, and UI tests. Unlike unit tests which are tested in isolation, UI testing is performed on the integration of the multiple classes. We can use these documented statistics to improve the testing and application performance.

Testing 84

Testing Hardware Mobile Testing Tools 84

CSS Wizardry

AUGUST 7, 2019

The reason is because mobile networks are, as a rule, high latency connections. A trip from a device in London to a server in New York has a theoretical best-case speed of 28ms over fibre, but this makes lots of very optimistic assumptions. Expect closer to 75ms. during our time optimising iPlayer.

Latency 269

Latency Ecommerce Servers Mobile 269

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

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.). The figure below shows the migration time for these three applications, broken down into snapshot capture, snapshot restoration, and ‘other’ (including the network transfer time).

Mobile 104

Mobile Cloud Latency Games 104

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

Dotcom-Montior

NOVEMBER 27, 2018

Your customers demand optimal performance, whether they’re the only user or one of a thousand. Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. LoadView, our on-demand, cloud-based load and stress testing platform , takes an outside-in approach to performance testing.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Testsigma

JANUARY 30, 2021

The native and mobile web browser testing is being performed more and more compared to desktop testing. Each smartphone comes with various screen sizes and resolutions, operates on different network speeds, and has different hardware capabilities. The reason behind being the speed and convenience of using mobile phones.

Mobile 52

Mobile Testing Website Internet 52

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 19, 2017

While current network speeds may be enough to meet the latency requirements of 4G applications, 5G will necessitate a change, if only because the continental US is ~60ms wide, meaning that a datacenter on one coast communicating with another datacenter on the opposite coast will be too slow for 5G. This requires 1 ms network latency.

Latency 40

Latency Retail Virtualization Hardware 40

VoltDB

JUNE 19, 2017

While current network speeds may be enough to meet the latency requirements of 4G applications, 5G will necessitate a change, if only because the continental US is ~60ms wide, meaning that a datacenter on one coast communicating with another datacenter on the opposite coast will be too slow for 5G. This requires 1 ms network latency.

Latency 40

Latency Retail Virtualization Hardware 40

Abhishek Tiwari

DECEMBER 13, 2017

More importantly, if this works out well, this could lead to a radical improvement in performance by leveraging hardware trends such as GPUs and TPUs. They demonstrated that neural nets based learned index outperforms cache-optimized B-Tree index by up to 70% in speed while saving an order-of-magnitude in memory.

Artificial Intelligence 40

Artificial Intelligence Hardware Google Benchmarking 40

All Things Distributed

APRIL 5, 2012

From tax preparation to safe social networks, Amazon RDS brings new and innovative applications to the cloud. Intelligent Social network - Facilitate topical Q&A conversations among employees, customers and our most valued super contributors. Teachers can interact with their colleagues in professional learning networks.

Innovation 146

Innovation AWS Education Network 146

Rigor

MARCH 20, 2018

I recently was asked the following question by an online retailer: “Why should I invest in monitoring the user experience when I already have monitoring for our database, infrastructure, app server, and network?”. Instead of asking that question, I asked them this: “Are you a network or hosting provider?

Monitoring 40

Monitoring Retail Ecommerce Infrastructure 40

All Things Distributed

JULY 13, 2010

Cluster Computer Instances for Amazon EC2 are a new instance type specifically designed for High Performance Computing applications. During my academic career, I spent many years working on HPC technologies such as user-level networking interfaces, large scale high-speed interconnects, HPC software stacks, etc. until today.

Cloud 118

Cloud AWS Automotive Latency 118

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

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. 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.

Performance 90

Performance Network Mobile Speed 90

All Things Distributed

DECEMBER 20, 2017

Breuninger uses modern templates for software development, such as Self-Contained Systems (SCS), so that it can increase the speed of software development with agile and autonomous teams and quickly test new features. We need mechanisms that enable the mass production of data using software and hardware capabilities.

Artificial Intelligence 79

Artificial Intelligence Social Media Logistics AWS 79

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 92

Database Hardware Open Source Strategy 92

The Morning Paper

NOVEMBER 10, 2019

Snap: a microkernel approach to host networking Marty et al., This paper describes the networking stack, Snap , that has been running in production at Google for the last three years+. ” That’s 4-8x the speed of evolution and feedback cycles. ” That’s 4-8x the speed of evolution and feedback cycles.

Network 92

Network Transportation Latency Entertainment 92

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. Therefore, it’s not the ideal choice if there are time or storage limitations.

Best Practices 130

Best Practices Storage Strategy Database 130

Scalegrid

DECEMBER 21, 2023

Buckle up as we delve into the world of Redis® monitoring, exploring the most important Redis® metrics, discussing essential tools, and even peering into the future of Redis® performance management. Key Takeaways Redis® monitoring is essential for safeguarding performance, reliability, and security.

Strategy 130

Strategy Monitoring Latency DevOps 130

The Netflix TechBlog

NOVEMBER 15, 2022

But it’s not easy: to pull this off, VFX studios need to build and operate serious technical infrastructure (compute, storage, networking, and software licensing), otherwise known as a “ render farm.” Many shows have needs that exceed 100,000 frames, so aggregate rendering time can impact the timely delivery of a show on Netflix. “We

Cloud 282

Cloud Entertainment AWS Infrastructure 282

CSS - Tricks

AUGUST 18, 2020

When even a bit of React can be a problem on devices slow and fast alike, using it is an intentional choice that effectively excludes people with low-end hardware. Server rendering is also cool—even if that’s just how we say “send HTML over the network” these days. It makes organizing code easier. I think JSX is great. The conditions.

Performance 101

Performance Mobile Servers Code 101

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. Dynatrace news. What is FaaS?

Development 250

Development Serverless Best Practices Lambda 250

Smashing Magazine

AUGUST 22, 2021

HTTP/3: Performance Improvements (Part 2). HTTP/3: Performance Improvements (Part 2). In this second part, we will zoom in on the performance improvements that QUIC and HTTP/3 bring to the table for web-page loading. HTTP/3 performance features ( current article ). A Primer on Speed. Robin Marx.

Performance 105

Performance Network Latency Servers 105

Dynatrace

AUGUST 30, 2019

Digital Performance: 99% reduction in Response Time, from 18.2s Reducing CPU Utilization to now only consume 15% of initially provisioned hardware. Dynatrace Real User Monitoring (RUM) captures very detailed user behavior, as well as experience and performance information, about every user on your applications.

Cache 198

Cache Architecture Database Government 198

Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance.

Virtualization 111

Virtualization AWS Hardware Storage 111

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? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82