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

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

Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. Moving over to web, the performance problems are different. These days we have more and better tools to audit our performance.

Performance 130

Performance Speed Google Media 130

CSS - Tricks

MAY 17, 2019

Instilling a performance culture at The Telegraph. We've been working hard at The Telegraph to improve third-party performance. Gareth Clubb : At The Telegraph (a major UK newspaper), we set up a web performance working group to tackle our “organizational” performance challenges and instill a performance culture.

Performance 42

Performance Internet Internet Metrics 42

Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rick Byers.

Performance 89

Performance Education Google Website 89

All Things Distributed

MARCH 11, 2015

For example many of the Internet of Things innovations that we have seen come to life in the past years on AWS all have a significant analytics components to it. Adoption is now really starting to explode in 2015 as more and more businesses understand the power analytics has to empower their organizations.

Analytics 136

Analytics Cloud Healthcare Retail 136

Percona

AUGUST 27, 2018

With over 140 professionals in 30 plus countries, Peter’s venture now serves over 3000 customers – including the “who’s who” of internet giants, large enterprises and many exciting startups. 5000 named Percona to their list in 2013, 2014, 2015 and 2016.

Open Source 43

Open Source Internet Internet Strategy 43

Randon ASCII

OCTOBER 1, 2023

Investigating weird Chrome performance problems is literally my job so we started chatting. The difference is dramatic: The performance of scanning the memory in the normal mode is quite consistent, taking about 0.2 The answer is later in this post. Then it does the same thing with the process set to background mode. ms per scan.

Efficiency 98

Efficiency Processing Programming Systems 98

Speed Curve

DECEMBER 19, 2018

Understanding the importance of loading scripts asynchronously might help increase adoption of this critical performance improvement, so we're going to walk through the evolution of async script loading starting way back in 2007. The preloader is the most important performance improvement browsers ever made. Finally: Async.

Internet 53

Internet Internet Website Traffic 53

MachMetrics

JULY 31, 2020

As we discussed in our article on how to test your page weight , compression is pretty much standard practice in web performance now, so you absolutely want to make sure you’re taking advantage of it. In 2015, they released a version to be used for HTTP compression. Never change, Internet Explorer. Brotli Compression.

Speed 67

Speed Servers Google Tuning 67

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

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

The Morning Paper

JANUARY 23, 2020

Trade-offs under pressure: heuristics and observations of teams resolving internet service outages , Allspaw, Masters thesis, Lund University 2015. This is part 2 of our look at Allspaw’s 2015 master thesis (here’s part 1 ).

Internet 53

Internet Internet Cache Engineering 53

The Morning Paper

FEBRUARY 11, 2020

Since it’s launch in December 2015, Let’s Encrypt has steadily grown to become the largest CA in the Web PKI by certificates issued and the fourth largest known CA by Firefox Beta TLS full handshakes. The Internet Security Research Group. Navigating the SSL marketplace was difficult and confusing.

Internet 119

Internet Internet Open Source Transportation 119

Testsigma

JANUARY 7, 2022

2015 saw the trend of scriptless testing and IoT focussed methodologies. IoT (Internet of things) devices have been on an increase for a long time now. In 2021, more than 23 billion IoT devices were active and connected to the internet. Take the 30 day free trial of Testsigma and see it for yourself. Signup now.

Artificial Intelligence 89

Artificial Intelligence IoT Software Software 89

All Things Distributed

DECEMBER 13, 2016

In November 2015, Amazon Web Services announced that it would launch a new AWS infrastructure region in the United Kingdom. Real-time monitoring and evaluation of events have led to a positive impact on performance or operations. Channel 4 (in the UK) chose AWS to help monetize volumes of platform data.

AWS 166

AWS Cloud Artificial Intelligence IoT 166

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

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

Smashing Magazine

AUGUST 9, 2021

Often they make it seem as if HTTP/3 is a revolution in performance, while it is really a more modest (yet still useful!) It was heralded as an amazing performance revolution, with exciting new features such as server push, parallel streams, and prioritization. HTTP/3 performance features ( coming up soon! ). Did You Know?

Transportation 145

Transportation Internet Internet Network 145

Percona

JULY 30, 2018

With over 140 professionals in 30 plus countries, Peter’s venture now serves over 3000 customers – including the “who’s who” of internet giants, large enterprises and many exciting startups. 5000 named Percona to their list in 2013, 2014, 2015 and 2016.

Architecture 41

Architecture Database Open Source Internet 41

Enprowess

JANUARY 12, 2022

Internet of Things (IoT). Besides that, these apps do well in areas with a slow internet connection. So it is convenient for all to use irrespective of internet speed and it works offline using cached data. Internet of Things (IoT). So, this is the answer – Devices are connected to the internet via intelligent sensors.

Blockchain 59

Blockchain IoT Development Serverless 59

Testsigma

JUNE 5, 2021

In 2015, 35% of the internet traffic came from mobile devices, 6 years later, the number is 54.8%. How to perform automated mobile browser testing? The execution of these automated mobile browser tests can be performed in multiple ways – via emulators, simulators or buying an actual device to test. Source: Shopify.

Mobile 52

Mobile Testing Website Testing Tools 52

CSS - Tricks

OCTOBER 10, 2019

WebPageTest is an online tool and an Open Source project to help developers audit the performance of their websites. As a Web Performance Evangelist at Theodo , I use it every single day. I am constantly amazed at what it offers to the web development community at large and the web performance folks particularly — for free.

Performance Testing 51

Performance Testing Testing Performance Open Source 51

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

Performance 103

Performance Cache Metrics Network 103