Brendan Gregg

DECEMBER 31, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. WARNING: These tunables were developed in late 2017, for Ubuntu Xenial instances on EC2.** Networking. Casey Rosenthal (traffic and chaos) Models of Availability. We help where we can.

Tuning 53

Tuning AWS Best Practices Network 53

Brendan Gregg

DECEMBER 30, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. WARNING: These tunables were developed in late 2017, for Ubuntu Xenial instances on EC2.** Networking. Casey Rosenthal (traffic and chaos) Models of Availability. We help where we can.

Tuning 52

Tuning AWS Best Practices Network 52

Brendan Gregg

SEPTEMBER 5, 2017

What follows are topics that may be of interest to anyone looking to migrate their systems and skillset: scan these to find topics that interest you. ## ZFS ZFS is available for Linux via the [zfsonlinux] and [OpenZFS] projects, and more recently was included in Canonical's Ubuntu Linux distribution: Ubuntu Xenial 16.04 LTS (April 2016).

Virtualization 75

Virtualization AWS Engineering Hardware 75

Alex Russell

DECEMBER 18, 2022

TL;DR : To serve users at the 75 th percentile ( P75 ) of devices and networks, we can now afford ~150KiB of HTML/CSS/fonts and ~300-350KiB of JavaScript (gzipped). This is a slight improvement on last year's budgets , thanks to device and network improvements. Networks #. This is an ethical crisis for the frontend.

Performance 120

Performance Mobile Network Latency 120

O'Reilly

FEBRUARY 18, 2020

Up until 2017, the ML+AI topic had been amongst the fastest growing topics on the platform. After several years of steady climbing—and after outstripping Java in 2017—Python-related interactions now comprise almost 10% of all usage. Not necessarily: Java-related searches increased by 5% between 2017 and 2018. Coincidence?

Software Architecture 136

Software Architecture DevOps Data Engineering Architecture 136

Alex Russell

MARCH 6, 2021

TL;DR: A lot has changed since 2017 when we last estimated a global baseline resource per-page resource budget of 130-170KiB. To update our global baseline from 2017, we want to update our priors on a few dimensions: The evolved device landscape. Modern network performance and availability. The Moto G4 , for example.

Performance 127

Performance Network Metrics Cache 127

The Netflix TechBlog

JULY 1, 2019

While web browsers and mobile phones have gigabytes of memory available for graphics, our devices are constrained to mere MBs. Each device running the Netflix TV application has a limited surface cache pool available so the rendering engine tries to maximize the usage of the cache as much as possible. those running the 2017 SDK?—?also

Cache 167

Cache Design Testing Development 167

The Netflix TechBlog

OCTOBER 14, 2024

To efficiently utilize our compute resources, Titus employs a CPU oversubscription feature , meaning the combined virtual CPUs allocated to containers exceed the number of available physical CPUs on a Titus agent. the JupyterLab process) rather than the network. Simply put, this workload is not CPU-bound.

Latency 217

Latency Virtualization Traffic Processing 217

ACM Sigarch

APRIL 26, 2018

They unveiled their first two embedded AI chips fabricated with TSMC 40nm process in December 2017: “Journey 1.0 They use the graph as the basic representation for many AI-related algorithms, including neural network, Bayesian network, Markov Field, and some other emerging methods. CPU: Central Processing Unit.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

All Things Distributed

SEPTEMBER 25, 2017

This Region will consist of three Availability Zones at launch, and it will provide even lower latency to users across the Middle East. We already have 44 Availability Zones across 16 geographic Regions that customers can use today. 2017 continues a busy year for AWS in the Middle East.

Cloud 122

Cloud Education Energy Government 122

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. This split decision was available via last year's update , but was somewhat buried. seconds on the target device and network profile, consuming 120KiB of critical path resources to become interactive, only 8KiB of which is script.

Performance 98

Performance Network Mobile Speed 98

Brendan Gregg

NOVEMBER 28, 2017

At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud. In this configuration, the AMI and boot is paravirt (PV), the kernel is making hypercalls instead of privileged instructions, and the system is using paravirt network and storage drivers. The AMI and boot are now HVM.

Virtualization 40

Virtualization AWS Hardware Storage 40

All Things Distributed

DECEMBER 12, 2018

In April 2017, Amazon Web Services announced that it would launch a new AWS infrastructure region Region in Sweden. Today, I'm happy to announce that the AWS Europe (Stockholm) Region, our 20th Region globally, is now generally available for use by customers. Our AWS Europe (Stockholm) Region is open for business now.

AWS 120

AWS Cloud Games Serverless 120

Dynatrace

OCTOBER 17, 2019

And with today’s increasing financial, availability, performance and innovation requirements meaning applications need to be geographically dispersed to constantly changing dynamic powerhouses, it has become simply not possible to provision, update, monitor and decommissions them by only leveraging manual processes.

Code 112

Code Infrastructure DevOps Cloud 112

IO River

NOVEMBER 2, 2023

What is 5 Nines Availability?In However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five This level of availability equates to only about 5.26

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

What is 5 Nines Availability?In However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five This level of availability equates to only about 5.26

Availability 52

Availability Social Media Traffic Games 52

All Things Distributed

OCTOBER 2, 2017

We were pushing the limits of what was a leading commercial database at the time and were unable to sustain the availability, scalability and performance needs that our growing Amazon business demanded. In support of Amazon Prime Day 2017, the biggest day in Amazon retail history, DynamoDB served over 12.9 million requests per second.

Internet 113

Internet Internet AWS Performance 113

The Symphonia

DECEMBER 6, 2017

Traffic shaping / canary deployment was pre-announced at Serverless Conf NYC in October, and this is now available. there’s no inline debugging available in the Lambda Console.) to a massively distributed CDN network a possibility. We plan to test this out when we get the chance. Also allows for creating new files in line.

Serverless 40

Serverless Lambda AWS Traffic 40

Scalegrid

AUGUST 27, 2024

Scalability Strategies for IoT Networks As the number of devices connected to IoT networks expands, ensuring scalability becomes crucial. What scalability features does RabbitMQ offer for IoT networks? Consistent hashing and horizontal scaling are robust scalability features RabbitMQ provides for IoT networks.

IoT 130

IoT Ecommerce Games Scalability 130

Tim Kadlec

JANUARY 4, 2018

It’s not much of a surprise, then, that I read more books in 2017 than I have since I started keeping track back in 2009. His point, very Neil Postman-esque, is particularly true in today’s world of entertainment-driven news and fast-moving social networks that I’m increasingly convinced that, by default, only amplify existing biases.

BioTech 45

BioTech Social Media Entertainment Media 45

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. The information it captures is, however, available going back somewhat further, providing a fuller picture of the trend lines of engine completeness. Count of APIs available from JavaScript by Web Confluence.

Media 145

Media Games Education Engineering 145

Percona

APRIL 12, 2023

Let’s start with this: MongoDB is accurately referred to as source-available software. 2017: MongoDB goes public, trading as MDB. We’re equally convinced on both counts, but in this blog article, we’re focusing on why MongoDB is not open source. Since then, the stock price has increased more than 600%.

Open Source 86

Open Source Programming Database Servers 86

CSS - Tricks

APRIL 1, 2021

A 2017 study by Akamai says as much when it found that even a 100ms delay in page load can decrease conversions by 7% and lose 1% of their sales for every 100ms it takes for their site to load which, at the time of the study, was equivalent to $1.6 The code for the site is available on GitHub for reference.

Cache 92

Cache Social Media Media Network 92

Smashing Magazine

AUGUST 10, 2023

Even with all of the available tools at my disposal, I still find myself reaching for several of them. The other issue is that the data I’m getting back is based on lab simulations where I can add throttling, determine the device that’s used, and the network connection, among other simulated conditions. Lighthouse results.

Speed 82

Speed Monitoring Testing Network 82

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. — Alex Russell (@slightlylate) October 4, 2017. Budgets are scaled to a benchmark network & device. Any DOM or UI created in JS is not available for use until the script runs. The median user is on a slow network.

Performance 74

Performance Network Benchmarking Mobile 74

Smashing Magazine

JULY 29, 2019

Failing that, we are usually able to connect to home or public WiFi networks that are on fast broadband connections and have effectively unlimited data. The speed of mobile networks, too, varies considerably between countries. As for mobile network connection type, 84.7% Kyrgyzstan, Kazakhstan and Ukraine follow at $0.27, $0.49

Cache 97

Cache Mobile Google Network 97

MachMetrics

JUNE 30, 2021

Daniel An, Google, 2017. According to Google SOASTA research, 2017 the probability of page bounce rate increases with increasing page loading time, because it greatly improves the user experience. You can make beautiful-looking websites with the supports of millions of themes & plugins available. Gary Illyes, Google, 2017.

Cache 78

Cache Speed Google Website 78

Alex Russell

MARCH 31, 2022

The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Removal also creates a performance cliff for content that assumes cache availability. De-duplication can prevent multiple copies on disk, but we're out of luck on reducing network costs. None of this holds.

Cache 89

Cache Government Traffic Network 89

O'Reilly Software

APRIL 4, 2018

As Tyler Akiadu, from Google, explained in his Strata NY 2017 presentation, “ Foundations of streaming SQL ”: “Streams are the in-motion form of data, both bounded and unbounded.” We can see a table as an consolidated view of a stream of events over time. The adoption of fast data technologies is on a steep rise.

Architecture 80

Architecture Scalability Google Operating System 80

Abhishek Tiwari

DECEMBER 1, 2017

At re:Invent 2017, Amazon Web Services (AWS) announced Amazon Time Sync Service which provides a highly accurate and reliable global time reference. This service is immediately available in all AWS regions. Amazon Time Sync Service is available at no extra cost for customers using EC2 instances in Amazon Virtual Private Cloud (VPC).

AWS 55

AWS Google Database Virtualization 55

Smashing Magazine

DECEMBER 7, 2023

The fact that INP is already available in performance reports means we have an opportunity to familiarize ourselves with it today, in advance of its release. This is readily available in PageSpeed Insights and Google Search Console, not to mention DebugBear. That’s what this article is all about.

Traffic 98

Traffic Metrics Google Monitoring 98

Sutter's Mill

FEBRUARY 13, 2017

Today, this makes concurrency more important than ever, because it delivers two things: It hides latencies we have to deal with and cannot remove, from disk I/O latency to speed-of-light network latency; and it makes our code responsive by not introducing needless latencies of our own even when we’re not hiding someone else’s latency.

Latency 48

Latency C++ Hardware Performance 48

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. Giving priority to mobile website testing does not mean that you have to perform testing on all ‘categories’ of mobile phones available in the market. The daily media consumption on mobile devices has grown by 504 percent since 2011[2].

Website 98

Website Mobile Testing Strategy 98

O'Reilly

APRIL 23, 2024

As the internet grew, the amount of information available to consumers became so vast that it outran traditional human means of curation and selection. Available at: [link]. In the early idealistic days of internet expansion, the leading companies earned outsized profits by solving the attention allocation problem.

Social Media 110

Social Media Google Internet Internet 110

Adrian Cockcroft

JANUARY 29, 2023

A later version of the slides is included in my Microservices Workshop deck from later that year, slides 168–200 ( pdf , keynote are available in GitHub.com/adrianco/slides ). What Is the Expected Distribution of Website Response Times? That’s why an algorithm is needed to take out the guesswork.

Lambda 98

Lambda Latency Cache C++ 98

Testsigma

JANUARY 13, 2021

Studies show that in 2017, the worldwide failure rate of iOS apps was as high as 54%, with Android apps crashing 10% of the time. Trying to support every version available will only lead to diminishing returns that hurt your company’s profit margins. Performance testing to ascertain the efficiency of the application 6.

Mobile 54

Mobile Strategy Testing Efficiency 54

SQL Performance

SEPTEMBER 17, 2019

For years SSRS was bundled with the installation of SQL Server, which helped add to some of the confusion around licensing and support for the product, so beginning with SSRS 2017, the installation package for Reporting Services is a separate download. A scale-out deployment requires an Enterprise Edition license.

Tuning 67

Tuning Servers Database Best Practices 67