The Netflix TechBlog

MARCH 7, 2024

Occasionally, these use cases involve terabytes of data, so we have to pay attention to performance. Once we have discovered the Parquet files to be processed, MetaflowDataFrame takes over: it downloads data using Metaflow’s high-throughput S3 client directly to the process’ memory, which often outperforms reading of local files.

Systems 226

Systems Media Cache Open Source 226

Percona

JUNE 22, 2023

As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance.

Performance 102

Performance Monitoring Traffic Database 102

CSS - Tricks

APRIL 19, 2021

There is no doubt that CSS plays a huge role in web performance. The browser has to wait until the CSS is both downloaded and parsed to show us that first rendering of the page, otherwise browsing the web would be a terribly visually jerky to browse. The classics like caching, minification, and compression help.

Performance 98

Performance Cache Availability 98

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

CSS Wizardry

SEPTEMBER 6, 2022

Honestly, in this scenario, my advice is almost always: don’t bother trying to retrofit Critical CSS—just hash-n-cache 1 2 the living daylights out of your existing CSS bundles until you replatform and do it differently next time. Let’s look at the performance implications of getting Critical CSS right. performance.

Media 351

Media Cache Network Website 351

CSS - Tricks

MARCH 2, 2022

I have a handful of good links to articles about performance that are burning a hole in my bookmarks folder, and wanna drop them here to share. Performance: Making a Fast Framework Even Faster — Ben Schwarz says that Next.js But performance isn’t something that can be left entirely to a framework. You have to do work.

Performance 68

Performance Cache Best Practices Strategy 68

High Scalability

FEBRUARY 17, 2021

Application example: user profile cache, where profiles are constructed elsewhere (e.g., Here Redis and Yugabyte have higher latencies, Yugabyte performs bad for both Insert and Read for the test. Yugabyte performs really good in this test. Workload C: Read only. This workload is 100% read. Workload E: Short ranges.

Benchmarking 308

Benchmarking Latency C++ Database 308

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

The Morning Paper

OCTOBER 4, 2020

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption , Xu et al., Here the first finding was that the current strategy for determining when to hand-off has a 25% probability of worsening your link performance after handover. Application performance. SIGCOMM’20.

Energy 130

Energy Latency Performance Network 130

Percona

FEBRUARY 15, 2023

For good performance, the filter blocks are cached in the RocksDB block cache and normally stay there since they are accessed frequently. Bloom filter is an important feature improving performance of LSM storage engines. A good understanding of how bloom filters work can only lead to improved database performance.

Storage 125

Storage Tuning Cache Engineering 125

Percona

JANUARY 3, 2024

ProxySQL is a high-performance SQL proxy that runs as a daemon watched by a monitoring process. Below are backup methods to perform a backup restore of the ProxySQL server. and above Physical snapshot: A ProxySQL backup can be performed using the physical snapshot method. sec) File /var/lib/proxysql/proxybkp.cnf is saved.

Traffic 106

Traffic Hardware Cache Servers 106

CSS - Tricks

APRIL 19, 2021

There is no doubt that CSS plays a huge role in web performance. The browser has to wait until the CSS is both downloaded and parsed to show us that first rendering of the page, otherwise browsing the web would be a terribly visually jerky to browse. The classics like caching, minification, and compression help.

Performance 40

Performance Cache Availability 40

Randon ASCII

JULY 11, 2022

While investigating some performance mysteries in Chrome I discovered that Microsoft had parallelized how they zero memory, and in some cases this was making it a lot slower. A bug had been filed suggesting that Chrome download speeds (such as those measured by speedtest.net ) seemed to be affected by some anti-virus software.

Cache 105

Cache Energy Google Processing 105

Dotcom-Montior

JUNE 15, 2020

The limited number access points, compounded with the fact that traffic is controlled by the Ministry of Industry and Information Technology, creates performance bottlenecks for all users in China when trying to access websites from inside and outside of the country. These updates will disable access of Google apps downloader, for example.

Monitoring 52

Monitoring Performance Artificial Intelligence Internet 52

Dotcom-Montior

AUGUST 5, 2020

Page speed has been a key factor in Google’s ranking algorithm since 2010 , so it is essential to understand the various ways you can optimize your pages and why implementing synthetic monitoring can ensure your pages perform flawlessly and revenue isn’t lost. Find Your Performance Baseline. Optimize Your Pages.

Website 92

Website Speed Cache Traffic 92

Percona

OCTOBER 2, 2023

Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL, MariaDB, MongoDB, and PostgreSQL server and system tasks that are too difficult or complex to perform manually. Caches | 12.4G virtual = 2.2G

Cache 96

Cache Database Virtualization Servers 96

CSS - Tricks

DECEMBER 31, 2020

I know font-display: swap; is popular because it’s good for performance, but that FOUT stuff pains me. The font is either applied super fast, or isn’t used at all (but still downloaded async). Chances are, on the next page load, the font is loaded and cached and will be used. Me, I really dislike FOUT.

Cache 96

Cache Internet Internet Performance 96

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Suppose a user has only downloaded part of the cache.

Cache 82

Cache Government Traffic Network 82

Smashing Magazine

MAY 25, 2021

Font loading has long been a bugbear of web performance, and there really are no good choices here. The thinking here was that it was better for performance to display the text as quickly as you can , even if it’s in the fallback font, and then to swap the font in when it finally downloads.

Operating System 143

Operating System Google Website Cache 143

Jos

APRIL 6, 2018

It turns out this component structure provides a great foundation to improve the performance of our sites. Lazy-loading and bundle splitting can have a huge impact on page performance: less code requested, parsed, and executed. Improving performance of our sites by loading only what is needed Imagine a typical web page.

Code 147

Code Performance Media Google 147

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

Jos

APRIL 5, 2018

It turns out this component structure provides a great foundation to improve the performance of our sites. Lazy-loading and bundle splitting can have a huge impact on page performance: less code requested, parsed, and executed. Improving performance of our sites by loading only what is needed Imagine a typical web page.

Code 130

Code Performance Google Media 130

Percona

NOVEMBER 9, 2023

These graphs and panels not only show changes in usage and workload patterns but also changes in configuration, which can help during root cause analysis and performance reviews. WAL usage section The last section pertains to write-ahead logs, which are another source of potential performance bottlenecks.

Monitoring 88

Monitoring Tuning Metrics Servers 88

Smashing Magazine

NOVEMBER 2, 2021

PWAs have been around for over five years, yet native applications outnumber them both in the quantity ratio and how many times users download them. Users who opened a PWA from a smartphone’s browser might even not be aware that they’re using a progressive web app, assuming that it’s just a well-performing site. Image credit: Alibaba.

Code 74

Code Cache Retail Mobile 74

MachMetrics

JUNE 30, 2020

” It is true that using Google Fonts requires the browser to make additional requests and download the font you’ve chosen, resulting in additional loading time. Use that awesome font from Google and live with the performance hit. The CSS and file download are all curated for you. Optimize Loading.

Google 57

Google Speed Cache Website 57

Scalegrid

FEBRUARY 11, 2019

Downloading Your ca.pem File. Finally we created a ca.pem file downloaded from ScaleGrid. To learn how to speed up your WordPress installation using Redis Caching, check out our Using Redis Object Cache to Speed Up Your WordPress Installation post. Go to your MySQL Cluster Details page and select the ‘Overview’ tab.

Serverless 138

Serverless Azure Database Cache 138

Smashing Magazine

JANUARY 15, 2019

How Improving Website Performance Can Help Save The Planet. How Improving Website Performance Can Help Save The Planet. Perhaps the biggest win when it comes to making websites more sustainable is that performance, user experience and sustainability are all neatly intertwined. Jack Lenox. 2019-01-15T13:30:32+01:00.

Website Performance 73

Website Performance Website Energy Performance 73

MachMetrics

SEPTEMBER 1, 2020

Did you know that if you’re using CSS to hide images based on the screen size that they’re still being downloaded by the visitor’s browser? Implementing one of these options will ensure that your visitors are no longer downloading images they never see. Thankfully, there are 4 ways that we can fix this issue.

Design 57

Design Media Mobile Website 57

Smashing Magazine

NOVEMBER 22, 2021

Improving The Performance Of Wix Websites (Case Study). Improving The Performance Of Wix Websites (Case Study). It was at this point that we realized we needed to make a significant change in our approach towards performance, and that we must embrace performance as part of our culture. Dan Shappir. Large preview ).

Website 126

Website Performance Google Media 126

Smashing Magazine

APRIL 11, 2022

Of all those options, it’s safe to assume that text is the best choice for LCP performance because it loads and renders fast. Let’s focus on how these resources are requested and downloaded. The HTML document is the first resource to be requested and downloaded, but how do browsers determine what to download next and in which order?

Media 69

Media Tuning Metrics Google 69

Alex Russell

MAY 4, 2016

But doesn’t AppCache let you cache documents you might want offline? ” , you say, “doesn’t AppCache also allow you to put documents in the cache directly, bypassing all of that?” It’s hard to stress enough how much better reliable performance is. Turns out this only works in trivial cases.

Performance 43

Performance Cache Google Network 43

MachMetrics

JULY 15, 2020

Perform an Audit of Your Site. Most any performance audit service will give you some indication of the CSS problems you have. If these aren’t being downloaded asynchronously (see below), that’s a problem. This method doesn’t support simultaneous download, meaning it still needs to do one import at a time.

Speed 78

Speed Website Cache Google 78

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

MARCH 19, 2021

Working around improving performance was an ongoing journey on SmashingMag for a while. In the end of last year we’ve noticed that we’ve seen quite a drop in performance in 2020, so we rolled up our sleeves and got to work. Gael Metais suggested to more aggressively subset web fonts and look into caching issues with our AVIF files.

Mobile 140

Mobile Design Cache Code 140

n0derunner

MAY 6, 2019

A Nine year study of filesystem and storage benchmarking Download. Use a mix of macro and micro benchmarks Understand what you are testing, cached results are fine – as long as that is what you had intended.

Benchmarking 40

Benchmarking Storage Cache Testing 40

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. To understand how these changes affect us from a performance perspective, we need to grasp the underlying technology.

Google 71

Google Engineering Speed Mobile 71

CSS Wizardry

NOVEMBER 9, 2018

Let me address that by combining my two favourite topics: CSS and performance. CSS is critical to rendering a page—a browser will not begin rendering until all CSS has been found, downloaded, and parsed—so it is imperative that we get it onto a user’s device as fast as we possibly can. What’s the Big Problem? in your HTML.

Network 278

Network Performance Media Cache 278