Brendan Gregg

JULY 2, 2021

E.g., to see process execution with timestamps using execsnoop(8): # execsnoop-bpfcc -T. Low frequency events such as process execution should be negligible to capture. execsnoop New processes (via exec(2)) table. cachestat File system cache statistics line charts. E.g., bcc on Ubuntu: # apt-get install bpfcc-tools.

Latency 145

Latency Cache Energy Systems 145

Smashing Magazine

NOVEMBER 2, 2021

But here are some recent PWA-related findings by Maximiliano Firtman regarding Chrome: The number of origins with PWAs grew 170% in 2020. However, at the end of 2020, about 1% of websites included a Service Worker, and 2.2% had an installable Web App Manifest file. What Does This Mean? Image credit: Alibaba native application.

Code 74

Code Cache Retail Mobile 74

Percona

NOVEMBER 1, 2023

about to fork child process, waiting until server is ready for connections. forked process: 25 2020-04-10T14:04:49.808+0000 I CONTROL [main] ** SERVER RESTARTED ** 2020-04-10T14:04:49.812+0000 I CONTROL [main] Automatically disabling TLS 1.0, In the example below, I will show how to set the WiredTiger cache.

Scalability 57

Scalability Best Practices Servers Database 57

Dotcom-Montior

JUNE 25, 2020

Did you know that around 306 billion emails have been sent globally every day in 2020 and about 45 percent of all emails received are spam. The process behind this is DNS filtering. This continuous tracking process can help maintain the company’s reputation amongst the site visitors and other internet users.

Monitoring 86

Monitoring Traffic Website Database 86

MachMetrics

DECEMBER 27, 2019

Obviously this means that there is a ton of work to be done going into 2020 for web performance. As we mentioned in our article Average Page Load Times for 2020 , mobile page speed is a huge deal going forward. TTFB is typically reduced via server-side optimizations, such as enabling caching and database indexes.

Performance 52

Performance Speed Website Mobile 52

Brendan Gregg

JULY 2, 2021

While basic, I've solved many perf issues with this tool alone, including for misconfigured systems where a shell script is launching failing processes in a loop, and when some minor application is crashing and is restarting every few minutes but has not yet been noticed. ## 2. execsnoop New processes (via exec(2)) table 2. acpid [.]

Open Source 40

Open Source Latency Cache Energy 40

Smashing Magazine

DECEMBER 23, 2020

2020-12-23T10:00:00+00:00. 2020-12-23T12:33:42+00:00. Progressive web applications (PWA) are still gathering popularity in 2020. The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. Cached content with IndexedDB.

Cache 124

Cache Internet Internet Google 124

Percona

MAY 2, 2023

This blog was originally published in September 2020 and was updated in May 2023. Cons of logical backups As it reads all data, it can be slow and will require disk reads too for databases that are larger than the RAM available for the WT cache—the WT cache pressure increases, which slows down the performance.

Best Practices 52

Best Practices Database Storage Servers 52

Smashing Magazine

AUGUST 3, 2023

It was only in 2020, though, that Google shared its concept of Core Web Vitals and how it impacts SEO efforts. However, achieving a good LCP score is often a multi-faceted process that involves optimizing several stages of loading and rendering. The higher our organic traffic, the more profitable we become as a company.

Performance 74

Performance Cache Traffic Metrics 74

ACM Sigarch

NOVEMBER 4, 2019

Goodman, and “Speculative Cache Ways: On-Demand Cache Resource Allocation” published at MICRO 1999 by David H. MICRO 2020 will be in Athens, Greece. Two Test of Time awards went to: “Speculative Lock Elision: Enabling Highly Concurrent Multithreaded Execution” published at MICRO 2001 by Ravi Rajwar and James R.

Hardware 18

Hardware Architecture Programming Innovation 18

Smashing Magazine

NOVEMBER 22, 2021

A website’s performance can make or break its success, yet in August 2020, despite many improvements we had previously made, such as implementing Server-Side Rendering (SSR), the ratio of Wix websites with good Google Core Web Vitals (CWV) scores was only 4%. The results of some of these APIs are also cached in a CDN as appropriate.

Website 126

Website Performance Google Media 126

The Morning Paper

FEBRUARY 6, 2020

arXiv 2020. Last week we looked at a function shipping solution to the problem; Cloudburst uses the more common data shipping to bring data to caches next to function runtimes (though you could also make a case that the scheduling algorithm placing function execution in locations where the data is cached a flavour of function-shipping too).

Serverless 98

Serverless Lambda Cache Latency 98

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Some of DBLog’s features are: Processes captured log events in-order.

Database 212

Database Traffic Transportation Open Source 212

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Some of DBLog’s features are: Processes captured log events in-order.

Database 197

Database Traffic Transportation Open Source 197

Speed Curve

FEBRUARY 25, 2024

Guest profiles also start with empty caches, empty cookie stores, empty browser storage, etc. The examples were captured in Chrome Canary on a 2020 i5 MacBook Pro without CPU throttling enabled. Within the longest event handler, the first group of processing creates an analytics event to record the visitor opening the menu.

Analytics 91

Analytics Processing Google Mobile 91

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. twitter.com/slightlylate/status/1139684093602349056 455 06:18 AM · Feb 28, 2020. A silver lining on this dark cloud is that mobile JavaScript payload growth paused in 2020. How bad is it?

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

JUNE 25, 2020

2020-06-25T12:30:00+00:00. 2020-06-25T15:34:35+00:00. Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. This process is easy to integrate with your Django deployment scripts. Philip Kiely. Minification.

Media 69

Media Cache Storage AWS 69

Smashing Magazine

JULY 16, 2020

2020-07-16T11:00:00+00:00. 2020-07-16T11:35:57+00:00. Its performance will depend on how you use React when building it, and on your understanding of how React operates and the process through which components live through the various phases of their lifecycle. Methods Of Improving And Optimizing Performance In React Apps.

Performance 121

Performance Code Virtualization Processing 121

Smashing Magazine

FEBRUARY 3, 2022

Measuring the carbon footprint of the web isn’t an exact science, but a report by the BBC in 2020 estimates that all internet activity accounts for around 3.7% These numbers are based on first-page load — caching seems very efficient for subsequent page loads. of global emissions (similar to the airline industry), and rising.

Social Media 102

Social Media Media Website Airlines 102

Smashing Magazine

SEPTEMBER 6, 2021

This approach was touted to be better for fine-grained caching because each subresource could be cached individually and the full bundle didn’t need to be redownloaded if one of them changed. This retry process best happens, of course, somewhere before the back-end server — for example, at the load balancer.

Network 105

Network Servers Cache Traffic 105

Smashing Magazine

NOVEMBER 30, 2021

We last talked to him in July 2020 , where we asked if modern best practices about for the web. And eventually those JavaScript libraries get absorbed by the platform itself, but it’s a much slower process than creating a new JavaScript library is, because it’s standard processes and how important those are.

Technology 94

Technology Technology Servers Code 94

Enprowess

JANUARY 12, 2022

So it is convenient for all to use irrespective of internet speed and it works offline using cached data. Convenient Debugging : Debugging process is easy for the developers as single page application SPA offer developers tools. Besides that, these apps do well in areas with a slow internet connection. Dark Mode. API- First Approach.

Blockchain 59

Blockchain IoT Development Serverless 59

Enprowess

MARCH 10, 2022

As a result of this, the additional bindings you have got, the other watchers are created, and the cumbersome process becomes. As a part of the development process, Reactjs executes test suites continuously to run the test cases. Each loop continues till all the watchers, and associated values are checked.

Development 52

Development Google Open Source Servers 52

SQL Performance

JULY 16, 2019

One year after a Tock release Intel would take that same microarchitecture (with some minor improvements), and use a shrink of the manufacturing process to create a Tick release. The Tick-Tock release cycle basically fell apart by about 2015 , as Intel was unable to move from a 14nm manufacturing process to a 10nm manufacturing process.

Servers 46

Servers Hardware Architecture Retail 46

Smashing Magazine

JUNE 26, 2020

2020-06-26T14:00:00+00:00. 2020-06-26T14:19:08+00:00. Earlier in my process, I used a :before pseudo-element to add the Morris logo to this design. Inspired Design Decisions With Giovanni Pintori: Publicity Becomes An Art Form. Inspired Design Decisions With Giovanni Pintori: Publicity Becomes An Art Form. Andrew Clarke.

Design 95

Design Media C++ Energy 95

Smashing Magazine

JANUARY 21, 2021

So by late 2020, things got a bit out of control, with yellowish-red Lighthouse scores slowly showing up across the board. In early 2020, we’ve started with the big refactoring of the CSS layout components. The performance distribution for Largest Contentful Paint in 2020. We had to fix that. That’s Where We Were.

Performance 145

Performance Cache Mobile Network 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]. 2020-01-06T10:30:13+00:00. 2020-01-06T12:35:48+00:00. Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. New metrics landed in Lighthouse v6 in early 2020. Large preview ).

Performance 145

Performance Cache Media Metrics 145