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! Or even on a plane.

Performance 110

Performance Latency Cache Virtualization 110

Scalegrid

MARCH 28, 2024

In this comparison of Redis vs Memcached, we strip away the complexity, focusing on each in-memory data store’s performance, scalability, and unique features. Redis and Memcached both provide high performance with sub-millisecond response times. Choosing between Redis and Memcached hinges on specific application requirements.

Cache 130

Cache Storage Scalability Architecture 130

Speed Curve

MAY 1, 2023

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. Background: How performance budgets work 1. What is a performance budget? What should a performance budget look like? Let's get started!

Performance 98

Performance Metrics Media Google 98

High Scalability

SEPTEMBER 8, 2018

RISELabs , those wonderfully innovative folks over at Berkeley, have uplifted their Anna datatabase —a shared-nothing, thread-per-core architecture to achieve lightning-fast speeds by avoiding all coordination mechanisms—to become cloud-aware. What's changed ?

Storage 199

Storage Performance AWS Efficiency 199

Smashing Magazine

MARCH 25, 2021

How To Boost Media Performance On A Budget. How To Boost Media Performance On A Budget. However, just as out-of-control spending bodes ill in the long run, so does unbudgeted digital media decimate site performance. Of the many factors that affect page-load speed, media is a significant one. Performance Budgets. “A

Media 118

Media Performance Mobile Latency 118

DZone

JULY 10, 2019

In addition, compute and storage are increasingly being separated causing larger latencies for queries. Alluxio is leveraged as compute-side virtual storage to improve performance. But to get the best performance, like any technology stack, you need to follow the best practices. A Note on Data Locality.

Best Practices 133

Best Practices Latency Storage Tuning 133

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

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 106

Performance Network Latency Servers 106

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 Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. How would you time time?

Speed 52

Speed Java AWS Virtualization 52

Smashing Magazine

AUGUST 3, 2023

How We Optimized Performance To Serve A Global Audience How We Optimized Performance To Serve A Global Audience Liran Cohen 2023-08-03T10:00:00+00:00 2023-08-03T13:06:00+00:00 I work for Bookaway , a digital travel brand. Large preview ) We’ve known for a long time that fast page performance influences search engine rankings.

Performance 74

Performance Cache Traffic Metrics 74

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

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 Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. How would you _time_ time?

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

SEPTEMBER 28, 2022

Five Data-Loading Patterns To Improve Frontend Performance. Five Data-Loading Patterns To Improve Frontend Performance. When it comes to performance, you shouldn’t be stingy. On design systems, UX, web performance and CSS/JS. However, some caveats regarding performance, scalability, and potential data conflicts exist.

Cache 126

Cache Performance Servers Social Media 126

Percona

SEPTEMBER 1, 2023

While there is no magic bullet for MySQL performance tuning, there are a few areas that can be focused on upfront that can dramatically improve the performance of your MySQL installation. What are the Benefits of MySQL Performance Tuning? Experiencing database performance issues?

Tuning 52

Tuning Database Performance Hardware 52

Dotcom-Montior

MARCH 6, 2022

They can also let the user easily see how good or bad the performance of their website is, showing you exactly what is slowing down your site. Element Performance : A user can reach the information of the performance of each element that exists in waterfall chart. In the image below, it is pointed at with the arrow.

Performance 52

Performance Cache Website Speed 52

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Brendan Gregg

MAY 8, 2021

People often tell me they don't understand performance tool output because they can't tell what's "good" or "bad." It can be hard as performance is subjective. I recently encountered terrible disk performance and thought it'd be useful to collect Linux tool screenshots and share them for reference. I could hear it spin faster.

Performance 40

Performance Latency Speed Systems 40

Brendan Gregg

MAY 8, 2021

People often tell me they don't understand performance tool output because they can't tell what's "good" or "bad." It can be hard as performance is subjective. I recently encountered terrible disk performance and thought it'd be useful to collect Linux tool screenshots and share them for reference. I could hear it spin faster.

Performance 40

Performance Latency Speed Systems 40

CSS - Tricks

NOVEMBER 1, 2019

People say JAMstack sites are fast — let’s find out why by looking at real performance metrics! State of the real user web performance. TTFB mobile speed distribution (CrUX, July 2019). FCP mobile speed distribution (CrUX, July 2019). FID mobile speed distribution (CrUX, July 2019). First Contentful Paint.

Speed 46

Speed Mobile Metrics Scalability 46

Scalegrid

JANUARY 19, 2024

This article dives straight into what triggers a rollback in MongoDB, the risks it carries, and concrete steps you can take to both prevent and recover from one. Therefore, companies must carefully consider key performance metrics and methodologies to stay relevant and successful in timely and trend-oriented markets.

Database 130

Database Network Servers Monitoring 130

CSS - Tricks

DECEMBER 14, 2020

The data comes from making queries to the HTTP Archive and is broken down into various sections, such as Performance, Security, and the languages themselves, including how folks wrote HTML or CSS. While this is suboptimal on desktop, it really kills performance on mobile, where round-trip latency is more important than raw download speed.

Latency 98

Latency Mobile Website Speed 98

Scalegrid

MARCH 14, 2024

This article will explore hybrid cloud benefits and steps to craft a plan that aligns with your unique business challenges. Tailoring resource allocation efficiently ensures faster application performance in alignment with organizational demands. A hybrid cloud strategy could be your answer.

Strategy 130

Strategy Cloud Artificial Intelligence Infrastructure 130

Smashing Magazine

APRIL 17, 2019

Optimizing Performance With Resource Hints. Optimizing Performance With Resource Hints. Modern web browsers use all sorts of techniques to help improve page load performance by guessing what the user may be likely to do next. Drew McLellan. 2019-04-17T12:30:16+02:00. 2019-04-29T18:34:58+00:00. When Should I Use prefetch ?

Performance 106

Performance Games Servers Cache 106

Dotcom-Montior

MAY 6, 2020

They can also let the user easily see how good or bad the performance of their website is, showing you exactly what is slowing down your site. Interactive Slider : The Interactive Slider is an indicator of the performance of each element in terms of milliseconds. Browser (Chrome, Firefox, Internet Explorer, mobile browsers etc…).

Performance 53

Performance Cache Website Speed 53

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

Scalegrid

JANUARY 12, 2024

Simply put, it’s the set of computational tasks that cloud systems perform, such as hosting databases, enabling collaboration tools, or running compute-intensive algorithms. This article analyzes cloud workloads, delving into their forms, functions, and how they influence the cost and efficiency of your cloud infrastructure.

Cloud 130

Cloud Virtualization Storage Efficiency 130

Speed Curve

FEBRUARY 5, 2024

That performance golden rule still holds true today. Cue server-timing headers Historically, when looking at page speed, we've had the tendency to ignore TTFB when trying to optimize the user experience. Charlie Vazac introduced server timing in a Performance Calendar post circa 2018. I mean, why wouldn't we?

Servers 57

Servers Cache Retail Benchmarking 57

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. In this article, we uncover how PageSpeed calculates it’s critical speed score. Recommended! PageSpeed 5.0 In PageSpeed 5.0,

Google 71

Google Engineering Speed Mobile 71

KeyCDN

FEBRUARY 4, 2021

This query is performed by a Domain Name Server (DNS server) or servers nearby that have been assigned responsibility for that hostname. Oddly enough we encountered this error to a third party website while writing this article. Speed Speed also plays a role with DNS. So DNS services definitely go down!

Cache 134

Cache Website Internet Internet 134

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 104

Performance Cache Network Metrics 104

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. The better the performance, the better chance that users stay on a page, read content, make purchases, or just about whatever they need to do. Speed is also something Google considers when ranking your website placement on mobile. Again, every millisecond counts.

Cache 92

Cache Social Media Media Network 92

SQL Performance

APRIL 27, 2020

The business-critical tier has local SSD which provide much better IO performance with max data IOPS ranging from 8000 for a 2 vCore database up to 204,800 for an 80 vCore database. Hyperscale achieves high performance from each compute node having SSD-based caches which helps minimize the network round trips to fetch data.

Azure 55

Azure Database Serverless Hardware 55

CSS - Tricks

AUGUST 16, 2019

This week I’ve been brooding about web performance and accessibility. Ethan continues to argue that these issues are so common in AMP that accessibility must not be a priority at all: Since the beginning, Google has insisted AMP is the best solution for the web’s performance problem. The status quo. And that’s what makes me mad.

Performance 50

Performance Website Speed Latency 50

MachMetrics

OCTOBER 16, 2019

Elon Musk’s need for speed. However, there is excitement around Starlink for other reasons – namely, the implications it might have for internet speed and latency – even by just a small amount (20 milliseconds on average). This ultimately guides us to one conclusion: Speed is incredibly important.

Internet 44

Internet Internet Latency Speed 44

Smashing Magazine

MAY 20, 2020

How To Make Performance Visible With GitLab CI And Hoodoo Of GitLab Artifacts. How To Make Performance Visible With GitLab CI And Hoodoo Of GitLab Artifacts. Performance degradation is a problem we face on a daily basis. Performance is a competitive advantage that can bring and retain customers. Anton Nemtsev.

Performance 99

Performance Metrics Best Practices Code 99

CSS - Tricks

MARCH 16, 2020

to run Google Lighthouse audits via the command line, save the reports they generate in JSON format and then compare them so web performance can be monitored as the website grows and develops. These are: Performance Accessibility Best Practices SEO Progressive Web App. Here’s what a full report looks like. Let’s find out how.

Google 82

Google Latency Website Metrics 82

Smashing Magazine

SEPTEMBER 29, 2021

This is why a lot of our guidance on performance talks about image optimization. Assuming encode/decode speeds meet your needs. Encode/Decode Speed. Degree of compression, image quality, and decoding speed are key factors to be considered when comparing image performance for the web. Large preview ).

Open Source 144

Open Source Speed Website Google 144