The Netflix TechBlog

FEBRUARY 25, 2021

In all these cases, prior to being delivered through our content delivery network Open Connect , our award-winning TV shows, movies and documentaries like The Crown need to be packaged to enable crucial features for our members. Decryption modules need to be initialized with the appropriate scheme and initialization vector.

Technology 181

Technology Technology Open Source Media 181

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Without enough infrastructure (physical or virtualized servers, networking, etc.),

Availability 105

Availability Database Open Source Hardware 105

Dotcom-Montior

MAY 12, 2020

They now allow users to interact more with the company in the form of online forms, shopping carts, Content Management Systems (CMS), online courses, etc. Network or connection error. Network latency. Hardware resources. Network Latency. Network latency can be affected due to. Hardware Resources.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. What's changed since last year? and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

CSS Wizardry

OCTOBER 27, 2018

The short answers are, of course ‘all the time’ and ‘everyone’, but this mutual disownership is a common reason why performance often gets overlooked. Of course, it is impossible to fix (or even find) every performance issue during the development phase. The reason I refer to this as Proactive testing is becasue we generally do.

Performance Testing 172

Performance Testing Testing Performance Strategy 172

The Morning Paper

JANUARY 28, 2020

" Running end-user compute inside the datastore is not without its challenges of course. Entry/exit in/out of V8 contexts is less expensive than hardware-based isolation mechanisms, keeping request processing latency low and throughput high. Depending on the use case, CSA increases server throughput by up to 3.5x.

Serverless 99

Serverless Storage Latency Hardware 99

Percona

OCTOBER 18, 2023

MySQL, PostgreSQL, MongoDB, MariaDB, and others each have unique strengths and weaknesses and should be evaluated based on factors such as scalability, compatibility, performance, security, data types, community support, licensing rules, compliance, and, of course, the all-important learning curve if your choice is new to you.

Open Source 90

Open Source Database Hardware Strategy 90

Testlodge

JUNE 16, 2021

To secure consumer data, organizations need to make sure that their networks are updated and protected against any malicious activity. Penetration testing is comprehensively performed over a fully-functional system’s software and hardware. There are many tools available which detect the presence of a firewall such as WAFWOOF.

Testing 67

Testing Hardware Open Source Internet 67

Smashing Magazine

DECEMBER 15, 2021

Mobile phones are rapidly becoming touchscreens and touchscreen phones are increasingly all-touch, with the largest possible display area and fewer and fewer hardware buttons. The hardware matters, but the underlying OS is the same , and pretty much all apps will run on any device of the same age. DRM-free, of course.

Mobile 103

Mobile Design Internet Internet 103

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

Sutter's Mill

FEBRUARY 13, 2017

” This contains updated and new material that reflects the latest C++ standards and compilers, with a focus to using modern C++11/14/17 effectively on modern hardware and memory architectures. On April 25-27, I’ll be in Stockholm (Kista) giving a three-day seminar on “High-Performance and Low-Latency C++.”

Latency 51

Latency C++ Hardware Performance 51

Percona

JULY 7, 2023

Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. Without enough infrastructure (physical or virtualized servers, networking, etc.), there cannot be high availability. If so, what are the legal liabilities?

Availability 81

Availability Open Source Architecture Database 81

The Morning Paper

FEBRUARY 20, 2020

At some later point a SQL query is issued which SELECT s a model and then uses the PREDICT function to generate a prediction from the model given some input data (which is itself of course the result of a query). There are limitations to this model of course. It can’t handle loops for example (an analysis of 4.6M The last word.

Processing 72

Processing Hardware Database Azure 72

The Morning Paper

JUNE 13, 2019

As we saw with the SOAP paper last time out, even with a fixed model variant and hardware there are a lot of different ways to map a training workload over the available hardware. First off there still is a model of course (but then there are servers hiding behind a serverless abstraction too!). autoscaling).

Hardware 58

Hardware Latency Serverless Energy 58

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.). This could of course be a local worker on the mobile device. The location selection algorithm is run periodically to see if better options are now available. The opencv app has the largest state (4.6

Mobile 104

Mobile Cloud Latency Games 104

The Morning Paper

MAY 28, 2019

The goal is to produce a low-energy hardware classifier for embedded applications doing local processing of sensor data. Of course analog signalling comes with a whole bunch of challenges of its own, which is one of the reasons we tend to convert to digital. So decision trees are essentially networks of threshold functions.

Energy 52

Energy Hardware Efficiency Architecture 52

The Morning Paper

DECEMBER 8, 2019

Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. Traditionally one of the major costs when moving data in and out of memory (be it to persistent media or over the network) is serialisation.

Hardware 56

Hardware Programming Media Storage 56

Percona

AUGUST 15, 2023

Network Connectivity: Establish a reliable network connection between the primary and replica servers. Failover ensures that if the primary MySQL server becomes unavailable due to hardware failure or another issue, the system seamlessly switches to a standby replica. One approach is the implementation of failover mechanisms.

Servers 52

Servers Database Availability Traffic 52

The Morning Paper

MARCH 3, 2020

Physalia is designed to offer consistency and high-availability, even under network partitions. And, of course, it is designed to minimise the blast radius of any failures that do occur. Studies across three decades have found that software, operations, and scale drive downtime in systems designed to tolerate hardware faults.

Database 106

Database AWS Network Design 106

ACM Sigarch

APRIL 8, 2019

Although at graduate-level, architecture classes cover interesting cutting-edge research, materials taught to undergrads in computer architecture courses, pedagogically are detached from cutting-edge research (eg. This is arguably a fundamentally hard problem for computer architecture, but efforts towards open source hardware (eg.

Architecture 74

Architecture Open Source Hardware Software Engineering 74

Tim Kadlec

JUNE 6, 2018

What interests me most about the web on a watch are the constraints that the hardware places. Of course, I haven’t seen anything yet about how the watch is going to treat all that JavaScript in the first place. This enables lower-powered hardware to serve web content without overtaxing itself. That’s roughly 1.7-2.4MB

Hardware 60

Hardware Media Tuning Servers 60

The Morning Paper

JULY 18, 2019

Being an ICLR paper of course, you won’t be surprised to learn that the solution involves neural networks. Instead of learning from scratch, we draw inspiration from the few-shot leaning advances obtained by meta-learning memory-augmented neural networks. But Rae et al.

Network 86

Network Java Database Hardware 86

MachMetrics

JANUARY 23, 2020

We wanted to have control of the hardware that runs our tests and deliver consistent results. Of course, you still won’t see the same loading time every test , so let’s look at some of the reasons why. Below you’ll see an image showing a graph of a website’s test results over the course of a month.

Speed 62

Speed Testing Website Cache 62

The Morning Paper

MARCH 8, 2020

This paper presents Snowflake design and implementation along with a discussion on how recent changes in cloud infrastructure (emerging hardware, fine-grained billing, etc.) Of course, this has to be done whilst retaining strong isolation properties. From shared-nothing to disaggregation.

Storage 112

Storage Engineering Cache Serverless 112

O'Reilly

JANUARY 13, 2020

So far, it’s been a painless shift in power, which as Eric Matthes, author of Python Crash Course , argues, should come as no surprise, since “Guido has carried himself, and his role in the community, with such poise for so long.” ” Java. It’s mostly good news on the Java front.

Programming 130

Programming Java Google C++ 130

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. This might be very different for your company, of course, but that’s a close enough approximation of a majority of customers out there. In fact, it might be a good idea to look into current Amazon Best Sellers for your target market.

Performance 145

Performance Cache Media Metrics 145

The Morning Paper

JUNE 27, 2019

The thrust of the argument is that there’s a chain of inter-linked assumptions / dependencies from the hardware all the way to the programming model, and any time you step outside of the mainstream it’s sufficiently hard to get acceptable performance that researchers are discouraged from doing so. Challenges compiling non-standard kernels.

Systems 87

Systems Tuning Programming Innovation 87

Smashing Magazine

JANUARY 6, 2020

This might be very different for your company, of course, but that’s a close enough approximation of a majority of customers out there. If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled 3G network (e.g. Moto G4) on a slow 3G network, emulated at 400ms RTT and 400kbps transfer speed.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

APRIL 29, 2021

Lazy-load offscreen images (reduce network contention for key resources). For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS. You can of course also do this manually just using the <img> element directly. We’ll cover this later. Large preview ).

Media 145

Media Network Metrics Mobile 145

Alex Russell

JUNE 20, 2020

full TCP/IP & UDP networking, including local network discovery. Java arrived with a focus on structured programming (including threads), GUI controls , networking, device access, and graphics. In each quantum of time, hardware and OS vendors press ahead, adding features. high-color image raster. floppy/CD/DVD).

Hardware 55

Hardware Games Java Media 55

All Things Distributed

SEPTEMBER 6, 2013

Given that I am originally from the Netherlands I have, of course, a special interest in how Dutch companies are using our cloud services. . Europe is a continent with much diversity and for each country there are great AWS customer examples to tell.

Cloud 130

Cloud Energy AWS Healthcare 130

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 149

Innovation AWS Education Network 149

Alex Russell

SEPTEMBER 20, 2020

Pre-publication gates were valuable when better answers weren't available, but commentators should update their priors to account for hardware and software progress of the past 13 years. Fast forward a decade, and both the software and hardware situations have changed dramatically. Don't like the consequences?

Hardware 64

Hardware Mobile Java Programming 64

Alex Russell

APRIL 29, 2021

Real-time network protocols for enabling videoconferencing, desktop sharing, and game streaming applications. Modern, asynchronous network APIs that dramatically improve performance in some situations. A tool for reliably sending data — for example, chat and email messages — in the face of intermittent network connections.

Media 145

Media Games Education Engineering 145

Adrian Cockcroft

JUNE 21, 2022

The early days at Sun Cambridge were special, I absorbed a lot about networking and the technical side of the role from my fellow systems engineer Martin Baines, and we were driving all over the region in cool company cars (I had a Citroen BX 16V) selling a really hot product.

Tuning 52

Tuning Benchmarking Engineering C++ 52

J. Paul Reed

FEBRUARY 27, 2019

In fact, non-determinism itself is considered a bug: if the unexpected or errant output isn’t reproducible, then developers tend to extend their investigation into other parts of the stack (operating system, network, etc.) It’s just an operating system or networking bug. is a fleeting notion at best. So the reaction is different.

Entertainment 40

Entertainment Operating System Engineering Hardware 40