Percona

NOVEMBER 7, 2023

The book PostgreSQL 14 Internals has been available in PDF format for quite a while, but recently, the ability to order a printed copy became available ( [link] ). This 548-page tome from PostgresPro covers the spectrum from data organization to details on the many available indexing options. Version 14?

Cache 89

Cache Servers Operating System Database 89

Dynatrace

AUGUST 30, 2019

We have several YouTube Tutorials and blog posts available that show how you can use Dynatrace RUM data for Web Performance & User Experience Optimization. Missing Cache Settings – Make sure you cache resources that don’t change often on the browser or use a CDN. Impressive results I have to say!

Cache 193

Cache Architecture Database Government 193

Speed Curve

DECEMBER 6, 2023

When hovering over each marker, you'll see a clear presentation of the associated name. Making code changes to modify your configuration, collect custom data, or further segment your pages isn't hard, per se, but it's difficult and time consuming to make changes in production. More on that soon!

Cache 57

Cache Retail Testing Code 57

CSS Wizardry

AUGUST 7, 2019

Strap yourself in; here is a non-exhaustive list presented in no particular order: Latency: As above, we’re counting a trip out to and a return trip from the server. only to find that the resource they’re requesting isn’t in that PoP ’s cache. Rather, your TTFB represents any number of the items present above.

Latency 269

Latency Ecommerce Servers Mobile 269

Smashing Magazine

MAY 16, 2022

By stepping back and realizing that the fields available have no special bindings to particular types of data, we can see that this technique is also an effective delivery mechanism for any arbitrary data allowing lots of interesting possibilities. Code used to monitor resources (fetch, XHR, images, stylesheets, scripts, HTML, etc.)

Servers 92

Servers Monitoring Cache Network 92

Brendan Gregg

JULY 2, 2021

Here are the top ten tools you can run and present as a generic BPF observability dashboard, along with suggested visualizations: Tool Shows Visualization. cachestat File system cache statistics line charts. cachestat File system cache statistics line charts. as a traced function was renamed or a new code path added.

Latency 145

Latency Cache Energy Systems 145

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? It’s much easier to reach performance goals when the code base is fresh or is just being refactored.

Performance 145

Performance Cache Media Metrics 145

Adrian Cockcroft

JANUARY 29, 2023

I presented this analysis of response time distributions talk in 2016 — at Microxchg in Berlin ( video ). A later version of the slides is included in my Microservices Workshop deck from later that year, slides 168–200 ( pdf , keynote are available in GitHub.com/adrianco/slides ). I’ve been thinking about this for a long time.

Lambda 98

Lambda Latency Cache C++ 98

CSS Wizardry

NOVEMBER 9, 2018

appendChild(script); There is a fascinating behaviour present in all browsers that is intentional and expected, yet I have never met a single developer who knew about it. In fact, Google Analytics even tell us what to do, and they’re right: Copy and paste this code as the first item into the of every webpage you want to track.

Network 278

Network Performance Media Cache 278

KeyCDN

DECEMBER 8, 2022

While this was the case in the past, this won't be an accurate statement for the present WordPress. Many factors affect the speed of your WordPress website; some of them are: Your web host Server-side optimizations (PHP version, compression, caching, etc.) Several website speed testing tools available could be used for this purpose.

Cache 52

Cache Website Speed Website Performance 52

The Netflix TechBlog

MARCH 5, 2019

the order of the rows on your Netflix home page, issuing content licenses when you click play, finding the Open Connect cache closest to you with the content you requested, and many more). In the last section, we will attempt to feed your curiosity by presenting a set of opportunities that will drive our next wave of impact for Netflix.

Infrastructure 182

Infrastructure Cloud Scalability AWS 182

Smashing Magazine

SEPTEMBER 20, 2021

They all generally are instrumented as JavaScript processes that are loaded onto your site’s web pages through a tag or snippet of loader code. Attempted modifications in JavaScript might break page functionality, inhibit proper rendering, or present other problems. Search Engine And Web Archive Cached Results. Large preview ).

Website 89

Website Analytics Google Cache 89

Dynatrace

SEPTEMBER 17, 2019

End-to-end code-level tracing. Instead of presenting you with a handful of random screenshots from our demo environment I reached out to Robert, a close friend of mine, who leads a development team with the current task to re-architect and re-platform their multi-tenant SaaS-based eCommerce platform. REDIS for caching.

AWS 127

AWS Monitoring Ecommerce Lambda 127

Smashing Magazine

AUGUST 3, 2023

HTML Processing Once a web page’s HTML file has been downloaded, the browser begins to process the contents line by line, translating code into the visual website that users interact with. Large preview ) The graph presents the LCP values for the 75th percentile of our users visiting the Route Landing Page group. LCP seconds over time.

Performance 74

Performance Cache Traffic Metrics 74

IO River

NOVEMBER 2, 2023

‍Before we dive into what Terraform is, let's begin with a real-world example of how Terraform code looks and works:‍# Challenge requests coming from known Tor exit nodes.‍‍In Background‍The idea of managing infrastructure through code wasn't initiated by HashiCorp. ‍Why Manage Infrastructure by Code?‍‍If

Open Source 52

Open Source DevOps AWS Azure 52

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. After 20 years of neck-in-neck competition, often starting from common code lineages, there just isn't that much left to wring out of the system. Count of APIs available from JavaScript by Web Confluence.

Media 145

Media Games Education Engineering 145

Dotcom-Montior

MARCH 6, 2022

Some of the phases are presented below: Receiving. To boost the bandwidth availability, the user should keep the images on a cloud server. If the waiting time is too much, it may mean an overloaded network server or there may be an inefficient code, which must be fixed by software developers by finding the bugs and correcting the code.

Performance 52

Performance Cache Website Speed 52

Tech News Gather

JULY 18, 2023

With quality healthcare app development , patients as well as healthcare service providers have the chance to avail a more streamlined and faster service on-demand. While many technologies and tools are available for healthcare application development, Laravel is the frontrunner according to tech experts.

Healthcare 52

Healthcare Social Media Development Artificial Intelligence 52

Smashing Magazine

NOVEMBER 17, 2022

And, just as the use of images is so present in content creation, optimizing them is key to improving our page load speed and rendering it in the shortest possible time, as images are responsible for more bytes than any other resource. Cache Your Images. According to the Web Almanac in late 2021, 95.9 <picture> <!--

Media 105

Media Cache Website Mobile 105

Smashing Magazine

AUGUST 9, 2022

It also lists cached resources and identifies unused Javascript. You can compare up to 12 pages at once and presents the report in a simple and readable way since it uses PageSpeed Insights to generate reports. They are granular and available at domain and page levels. Large preview ). They are also shareable. Large preview ).

Performance 130

Performance Benchmarking Website Metrics 130

Testsigma

JUNE 3, 2021

These software errors are usually uncovered during functionality testing, mostly can be present as: Difficult/ confusing functionality: If the user is unable to understand or perform a function on the application, then it should change. Example: While reading a file, the file is corrupted and we receive a ‘Resource not available’ error.

Software 82

Software Software Testing Hardware 82

Smashing Magazine

MARCH 19, 2021

Gael Metais suggested to more aggressively subset web fonts and look into caching issues with our AVIF files. If a browser doesn’t support AVIF, it gets a JPEG file (properly cached), The content negotiation happens via <picture> + srcset in the browser. Workflow & Code. Workflow, Code. Workflow, Code.

Mobile 140

Mobile Design Cache Code 140

Percona

NOVEMBER 6, 2023

Please find the code and recipes from this blog post in this GitHub repository. Metrics can be captured from the status field of the Custom Resources if present. 274] "discovery finished, cache updated" I0706 14:43:28.285652 1 metrics_handler.go:99] Metrics can be captured without writing any code. status.conditions) |.status'

Metrics 71

Metrics Monitoring Database Cache 71

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It’s much easier to reach performance goals when the code base is fresh or is just being refactored.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

AUGUST 20, 2021

Jamstack CMS: The Past, The Present and The Future. Jamstack CMS: The Past, The Present and The Future. However, unlike the early days of the web, static sites are no longer limited to developers working in a code editor. The benefit of doing this is the entire site’s source code can live in Git. Mike Neumegen.

Ecommerce 139

Ecommerce Website Government Internet 139

John McCalpin

APRIL 2, 2020

This was a keynote presentation at the “2nd International Workshop on Performance Modeling: Methods and Applications” (PMMA16), June 23, 2016, Frankfurt, Germany (in conjunction with ISC16 ). This data is from the 2007 presentation.

Benchmarking 59

Benchmarking Performance Latency Architecture 59

IO River

NOVEMBER 2, 2023

Before we dive into what Terraform is, let's begin with a real-world example of how Terraform code looks and works:‍# Challenge requests coming from known Tor exit nodes.‍‍In the example above, we're using Terraform to set up an access rule on Cloudflare. This rule challenges requests coming from known Tor exit nodes.

Open Source 40

Open Source DevOps AWS Azure 40

Percona

JUNE 4, 2023

Critical features of MariaDB include robust security features like encryption at rest and in transit, user authentication, and role-based access control (RBAC), as well as high-performance query execution, advanced indexing techniques, and replication, clustering, and sharding, ensuring scalability and high availability.

Open Source 52

Open Source Servers Storage Scalability 52

Percona

MAY 15, 2023

In short, any data that is written must be consistent with the data present. Normally this solution requires a full code redesign and could be quite difficult to achieve when it is injected after the initial code architecture definition. In all of them, the sharding key is present, either in the WHERE clause OR as a comment.

Traffic 125

Traffic Scalability Database Servers 125

Brendan Gregg

AUGUST 29, 2021

Reads usually have apps waiting on them; writes may not (write-back caching). This is a 64-Gbyte memory system, and 48 Gbytes is in the page cache (the file system cache). Along with the numbers from the problem statement, this gives me a theory: Do the 100-Gbyte files bust the page cache, whereas 40-Gbyte files fit?

Cache 40

Cache C++ AWS Systems 40

SQL Performance

OCTOBER 7, 2020

Its raison d’être is to cache result rows from a plan subtree, then replay those rows on subsequent iterations if any correlated loop parameters are unchanged. Table-valued functions use a table variable, which can be used to cache and replay results in suitable circumstances. Spools are the least costly way to cache partial results.

Servers 106

Servers Cache Azure Performance 106

Dotcom-Montior

MAY 6, 2020

Some of the phrases are presented below: Receiving. To boost the bandwidth availability, the user should keep the images on a cloud server. Moreover, caching utility may decrease the waiting time. Moreover, caching utility may decrease the waiting time. The time it takes to download files. Waiting time. Queued request.

Performance 53

Performance Cache Website Speed 53

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are?

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

OCTOBER 26, 2018

For example, simple presentational sites or sites that use WordPress as a backend are the main candidates for the decoupled approach. Because of its history and for being sort of a fork of an old blogging platform called “b2” (more details here ), it’s largely written in a procedural way (using function-based code).

Cache 78

Cache Website Speed Database 78

SQL Server According to Bob

DECEMBER 31, 2018

The sample code is provided “as is” and any express or implied warranties, including the implied warranties of merchantability and fitness for a particular purpose, are disclaimed. .</param> </param> protected override void Dispose(bool disposing) { if (disposing && (components !=

Efficiency 40

Efficiency Code Servers Cache 40

Adrian Cockcroft

JANUARY 20, 2023

The next day Jack presented his Turing Award Lecture as the keynote for the event ( HPCwire has a good summary of the whole talk), and later in the the week he was on a panel discussion on “Reinventing HPC” where he repeated the point. I presented a keynote for Sun at Supercomputing 2003 in Phoenix Arizona and included the slide shown below.

Architecture 52

Architecture Latency Benchmarking AWS 52

ACM Sigarch

JULY 17, 2023

An example protection technique that can provide this capability is an Error Correcting Code (ECC). The figure below presents a historical retrospective of the soft error problem as a timeline. If the fault is detected and corrected, the outcome is said to be a Corrected Error (CE). For example, parity can provide only detection.

Energy 52

Energy Hardware Best Practices Architecture 52