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

CSS Wizardry

MAY 19, 2020

With more standardised FOUT/FOIT behaviour from browser vendors, to the newer font-display specification, performance—and therefore the user—seems to have been finally been put front-and-centre. On this site, in which performance is the only name of the game, I forgo web fonts entirely, opting instead to make use of the visitor’s system font.

Google 364

Google Media Latency Metrics 364

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. The browser caches the results of these lookups, but they can be slow. Drew McLellan.

Performance 106

Performance Games Servers Cache 106

Percona

MAY 2, 2023

ChatGPT: The InnoDB buffer pool is used by MySQL to cache frequently accessed data in memory. Keep in mind that setting the buffer pool size too high may result in other processes on your server competing for memory, which can impact performance. 16) and monitoring the server’s performance. The answer could be better.

Social Media 122

Social Media Database Servers Cache 122

The Netflix TechBlog

JUNE 14, 2023

This blog post will share broadly-applicable techniques (beyond GraphQL) we used to perform this migration. We could also swap out the implementation of a field from GraphQL Shim to Video API with federation directives. And we definitely couldn’t replay test non-functional requirements like caching and logging user interaction.

Traffic 353

Traffic Latency Cache Metrics 353

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. Performing steps like switching from a single-CDN setup to a multi-CDN or separating strategies for content types can make the benefits twofold! Those days are long gone.

Architecture 52

Architecture Performance Internet Internet 52

The Netflix TechBlog

JULY 12, 2019

Gatekeeper is the system at Netflix responsible for evaluating the “liveness” of videos and assets on the site. Gatekeeper accomplishes its prescribed task by aggregating data from multiple upstream systems, applying some business logic, then producing an output detailing the status of each video in each country.

Cache 183

Cache Architecture Latency Engineering 183

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. Performing steps like switching from a single-CDN setup to a multi-CDN or separating strategies for content types can make the benefits twofold! Those days are long gone.

Architecture 52

Architecture Performance Internet Internet 52

The Netflix TechBlog

SEPTEMBER 24, 2021

After content ingestion, inspection and encoding, the packaging step encapsulates encoded video and audio in codec agnostic container formats and provides features such as audio video synchronization, random access and DRM protection. The ProRes codec family provides great editing performance and image quality.

Cloud 237

Cloud Media Storage Cache 237

KeyCDN

SEPTEMBER 12, 2019

We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

Social Media 106

Social Media Media Google Website 106

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

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 ). Two-way latency is often called round-trip time (RTT).

Performance 106

Performance Network Latency Servers 106

IO River

NOVEMBER 2, 2023

A low-cost CDN may not always be as reliable and high-performing as a high-cost one. Therefore, you need to make sure you have the right balance between costs and performance & reliability according to your business needs.Here are some questions to ask yourself before choosing a CDN:How important is the price to you?

Infrastructure 52

Infrastructure Traffic Cache Strategy 52

Alex Russell

APRIL 29, 2021

Classics of the genre include: Apple's just focused on performance! The Performance Argument. As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. Steve & Tim's Close-up Magic.

Media 145

Media Games Education Engineering 145

IO River

NOVEMBER 2, 2023

A low-cost CDN may not always be as reliable and high-performing as a high-cost one. Therefore, you need to make sure you have the right balance between costs and performance & reliability according to your business needs.Here are some questions to ask yourself before choosing a CDN:How important is the price to you?

Infrastructure 52

Infrastructure Traffic Cache Strategy 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. Users can also watch the actual URL loading video in the browser window. Element Performance : A user can reach the information of the performance of each element that exists in waterfall chart.

Performance 52

Performance Cache Website Speed 52

The Morning Paper

SEPTEMBER 10, 2019

When each of those use cases is powered by a dedicated back-end, investments in better performance, improved scalability and efficiency etc. That’s hard for many reasons, including the differing trade-offs between throughput and latency that need to be made across the use cases. are divided. Reporting and dashboarding use cases (e.g.

Analytics 75

Analytics Latency Cache Google 75

ACM Sigarch

DECEMBER 6, 2018

Each of these categories opens up challenging problems in AI/visual algorithms, high-density computing, bandwidth/latency, distributed systems. One such example is activity recognition in motion video (such as LRCN , Convnets ) which may entail running combinations of both convolutional as well as recurrent neural networks simultaneously.

Wireless 54

Wireless IoT Analytics Architecture 54

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. Users can also watch the actual URL loading video in the browser window. Interactive Slider : The Interactive Slider is an indicator of the performance of each element in terms of milliseconds.

Performance 53

Performance Cache Website Speed 53

IO River

NOVEMBER 2, 2023

‍Just as a well-coordinated airport directs flights to multiple runways based on traffic and weather conditions, a CDN with Multiple Origins Load Balancing ensures that web traffic is distributed across various data centers, optimizing performance and reliability. What is a CDN Multiple Origins Load Balancer?‍ What is “Origin”?An

Traffic 52

Traffic Cache Servers Latency 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. Performant – The service would need to be able to maintain consistent performance in the face of diverse customer workloads.

Internet 128

Internet Internet AWS Performance 128

All Things Distributed

OCTOBER 12, 2016

Three years ago, as part of our AWS Fast Data journey we introduced Amazon ElastiCache for Redis , a fully managed in-memory data store that operates at sub-millisecond latency. While caching continues to be a dominant use of ElastiCache for Redis, we see customers increasingly use it as an in-memory NoSQL database.

Scalability 130

Scalability Analytics Cache AWS 130

IO River

NOVEMBER 2, 2023

Just as a well-coordinated airport directs flights to multiple runways based on traffic and weather conditions, a CDN with Multiple Origins Load Balancing ensures that web traffic is distributed across various data centers, optimizing performance and reliability. What is a CDN Multiple Origins Load Balancer?‍ What is “Origin”?An

Traffic 40

Traffic Cache Network Servers 40

Percona

APRIL 17, 2023

Note that the intent of tuning the settings is not exclusively about improving performance but also enhancing the high availability and resilience of the MongoDB database. The CFQ works well for many general use cases but lacks latency guarantees. The goal is to reduce memory usage without impacting query performance negatively.

Best Practices 52

Best Practices Design Tuning Database 52

Smashing Magazine

AUGUST 20, 2021

Fast-forward 30 years, and website technology has changed significantly — we have images, stylesheets, JavaScript, streaming video, AJAX, animation, WebSockets, WebGL, rounded corners in CSS — the list goes on. While it looks unassuming, it laid the foundation for the web we have today. MovableType really was before its time.

Ecommerce 139

Ecommerce Website Government Internet 139

CSS - Tricks

MAY 3, 2021

It is the premier tool in the toolbox of web performance people. I’m willing to bet you know WebPageTest. Maybe you didn’t know that WebPageTest was a side project of one fella, Patrick Meenan, for most of its lifetime, with literal racks of real devices he maintained himself. Linux; Android 6.0.1; Mobile Safari/537.36

Transportation 86

Transportation Cache Google Mobile 86

Enprowess

SEPTEMBER 7, 2021

Real-time software system – Collaboration tools used for video/audio conferencing, document writing, Chat applications, etc. Enhanced performance: It has an Asynchronous or Non-blocking nature. Enhanced performance: It has an Asynchronous or Non-blocking nature. assurances code stability and better application performance.

Open Source 52

Open Source Virtualization Programming Servers 52

Smashing Magazine

AUGUST 9, 2021

You’ve probably heard things like: “HTTP/3 is much faster than HTTP/2 when there is packet loss”, or “HTTP/3 connections have less latency and take less time to set up”, and probably “HTTP/3 can send data more quickly and can send more resources in parallel”. HTTP/3 performance features ( coming up soon! ).

Transportation 145

Transportation Internet Internet Network 145

The Netflix TechBlog

MARCH 6, 2019

It’s used extensively in our media processing platform, which includes services like Archer and runs features like video encoding and title image generation on tens of thousands of Amazon EC2 instances. We are constantly innovating on video encoding technology at Netflix, and we have a lot of content to encode. Disk Caching? — ?

Media 214

Media Storage Processing Cache 214

KeyCDN

FEBRUARY 14, 2019

Thanks to their simplicity and widespread support, GIF files remain wildly popular despite the dozens of other image and video formats available today. That said, GIFs can drag down a web page’s performance, especially if not optimized. Converting your animated GIFs to MP4 videos can make your files up to 95 percent smaller.

Speed 50

Speed Website Latency Cache 50

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 104

Performance Cache Metrics Network 104