Dynatrace

DECEMBER 20, 2021

In practice, session recording solutions make use of the document object model (DOM), which is a programming interface for web pages and document. What users see in their browser window and the underlying HTML code are both governed by the DOM, which creates a tree-like structure for all HTML elements. Quicker response.

Mobile 243

Mobile Website Analytics Cache 243

Dynatrace

NOVEMBER 29, 2021

With Lambda, you are charged based on the number of requests for your functions and their duration (the time it takes for your code to execute) with millisecond granularity. This gives operations teams specific answers to help prioritize and the root cause with end-to-end visibility down to the code level to resolve the problem.

Lambda 210

Lambda AWS Serverless Metrics 210

Smashing Magazine

MAY 16, 2022

This allows resource requests, including the HTML document itself, to be enriched with data during its lifecycle, and that information can be inspected for measuring the attributes of that resource! For the top-level HTML document, it is fetched upon user navigation but is still a resource request.

Servers 92

Servers Monitoring Cache Network 92

Official Blog - World Web Technology

AUGUST 27, 2023

Unlike other popular programming languages such as C or Pearl, PHP pages have HTML with embedded code with some start and end processing instructions that allow you to jump directly into and out of PHP mode. In PHP, code is directly executed on the server and generates HTML to send to the client.

Development 98

Development Ecommerce Open Source Website 98

Smashing Magazine

NOVEMBER 26, 2021

However, there are a few ways in which you can make a large code-base easy to maintain. In certain cases, the build will fail if there are type mismatches in your code as Next.js We recommend using code editor type checking during development.”. Use Code Generators Like Hygen To Generate Boilerplate Code.

Cache 143

Cache Code Testing Design 143

The Netflix TechBlog

SEPTEMBER 8, 2020

On the Android team, while most of our time is spent working on the app, we are also responsible for maintaining this backend that our app communicates with, and its orchestration code. Image taken from a previously published blog post As you can see, our code was just a part (#2 in the diagram) of this monolithic service.

Latency 233

Latency Cache Java Traffic 233

Dynatrace

OCTOBER 15, 2020

With no required recompilation or code changes, you can: Monitor web-scale and highly dynamic microservice architectures including statically as well as dynamically linked Go applications and platform components. However, changing build options or source code is cumbersome and not an option for prebuilt third-party applications.

Transportation 183

Transportation Monitoring Metrics Code 183

Smashing Magazine

SEPTEMBER 28, 2022

Every unnecessary bit of JavaScript code you bundle and serve will be more code the client has to load and process. How will you serve blazingly fast code, then? Jamstack is popular with documentation sites that usually compile code to HTML files and host them on the CDN. Active Memory Caching.

Cache 125

Cache Performance Servers Social Media 125

Randon ASCII

FEBRUARY 11, 2018

Zombies probably won’t consume 32 GB of your memory like they did to me, but zombie processes do exist, and I can help you find them and make sure that developers fix them. He’d even written a tool that would dump a list of zombie processes – their names and counts. I ran his tool and it showed 506,000 zombie processes!

Processing 72

Processing Programming Code Cache 72

Randon ASCII

OCTOBER 15, 2018

Windows has long had a reputation for slow file operations and slow process creation. This weeks’ blog post covers a technique you can use to make process creation on Windows grow slower over time (with no limit), in a way that will be untraceable for most users! A long-standing correctness bug in the Windows file cache: Compiler bug?

Processing 57

Processing Cache Programming Virtualization 57

Dynatrace

OCTOBER 15, 2021

Source: OpenTelemetry Documentation. This information is gathered from remote, often inaccessible points within your ecosystem and processed by some sort of tool or equipment. Traces are the act of following a process (for example, an API request or other system activity) from start to finish, showing how services connect.

Open Source 216

Open Source Metrics Cloud Transportation 216

SQL Performance

MARCH 29, 2022

Simple parameterization has a number of quirks in this area, which can result in more parameterized plans being cached than expected, or finding different results compared with the unparameterized version. Reputation = 252552 ; These statements result in six cached plans, three Adhoc and three Prepared : Different guessed types.

Cache 90

Cache Servers Database Testing 90

Randon ASCII

JULY 11, 2022

Downloads go through the cache, the cache is saved to disk, and saves to disk are slowed by (some) anti-virus software. But I’d also recorded an ETW trace to understand where CPU time in the Network Service utility process was going, and I’d noticed some time being spent in ntoskrnl.exe!KiPageFault: Case closed. I was shocked.

Cache 105

Cache Energy Google Processing 105

Smashing Magazine

AUGUST 3, 2023

However, achieving a good LCP score is often a multi-faceted process that involves optimizing several stages of loading and rendering. 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.

Performance 74

Performance Cache Traffic Metrics 74

Smashing Magazine

JULY 16, 2020

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. During the initial rendering process, React builds a DOM tree of components. Note : See the documentation for more information.

Performance 121

Performance Code Virtualization Processing 121

SQL Performance

MARCH 22, 2022

In this first part, after a quick introduction, I look at the effects of simple parameterization on the plan cache. Being explicit gives you complete control over all aspects of the parameterization process, including where parameters are used, the precise data types used, and when plans are reused. Simple Parameterization. Users AS U.

Cache 61

Cache Servers Database Code 61

Smashing Magazine

DECEMBER 23, 2020

You’ll also find example code or references to more specific guides so you can implement these tips to your PWA. 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. Skeleton screen examples on Code My UI.

Cache 123

Cache Internet Internet Google 123

Adrian Cockcroft

JANUARY 29, 2023

The documentation is written for people that understand hardcore statistics with lots of greek symbols. I have enough math and stats background that I can muddle along and figure out how to use it, so I’m documenting that here without the greek. He gave me a few options, and first I looked at the R mixtools library.

Lambda 98

Lambda Latency Cache C++ 98

Smashing Magazine

OCTOBER 2, 2023

Now, let’s dive into the technical features and best practices that my team adopted in the process of building the WaterBear web app. Jump to the workshops ↬ Using CDN For Caching And WebP For Lighter File Sizes As I mentioned a little earlier, our stack includes Sanity’s CMS. Let’s see the query caching in action.

Cache 72

Cache Strategy Best Practices Design 72

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? You can download the spreadsheet as Google Sheets, Excel, OpenOffice document or CSV.

Performance 145

Performance Cache Media Metrics 145

CSS - Tricks

APRIL 1, 2021

The code for the site is available on GitHub for reference. This is the process of turning HTML, CSS and JavaScript into a fully fleshed out, interactive website. It begins with retrieving the HTML from the server and converting this into the Document Object Model (DOM). The CSSOM and the DOM combine to make the render tree.

Cache 92

Cache Social Media Media Website 92

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

SQL Performance

JUNE 8, 2022

Let’s now continue following the compilation process noting the effects on simple parameterization as we go. As in previous parts, code examples use the Stack Overflow 2010 database on SQL Server 2019 CU 16 with the following additional nonclustered index: CREATE INDEX [ IX dbo. Let’s look at the plan cache: SELECT.

Cache 54

Cache Servers Database Processing 54

Smashing Magazine

JUNE 25, 2020

It’s not just source code for the configuration, models, views, and templates, but also static assets: CSS and JavaScript, images, icons. Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. Philip Kiely. Static Files.

Media 69

Media Cache Storage AWS 69

HammerDB

APRIL 19, 2023

There are several ways to find out this information with the easiest way being by referring to the documentation. Instead, readers should refer to the HammerDB documentation. In the context of MySQL performance evaluation, it simulates a typical online transaction processing (OLTP) workload on your MySQL database.

Performance 54

Performance Benchmarking Cache Storage 54

Testsigma

JUNE 3, 2021

Example: An e-commerce website is unable to process the payment part. These errors are caught during software documentation testing. Otherwise, it may result in the processing of garbage data and erroneous results. This section explains the possible errors a tester can make during the software testing process.

Software 82

Software Software Testing Hardware 82

CSS Wizardry

NOVEMBER 9, 2018

While this strategy is effective, it’s not simple: highly dynamic sites can be difficult to extract styles from, the process needs to be automated, we have to make assumptions about what above the fold even is, it’s hard to capture edge cases, and tooling still in its relative infancy. it can often be a net loss.

Network 278

Network Performance Media Cache 278

Smashing Magazine

OCTOBER 8, 2021

Generate your own madlibs in the demo ; Look through the final code on Github ; Get a fully-built version set up in your accounts. We can use 11ty’s new Serverless mode to build them on request using Netlify’s On-Demand Builders to cache each Madlib. Netlify then caches that page on its edge CDN for each additional call.

Serverless 77

Serverless Cache Open Source Code 77

HammerDB

JUNE 27, 2022

The Transaction Processing Performance Council (TPC) was founded to bring standards to database benchmarking, and the history of the TPC can be found here. An additional specification called TPC-CH for hybrid transactional/analytical processing (HTAP) is under research and development for inclusion in a future release as TPROC-CH.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

SQL Server According to Bob

FEBRUARY 5, 2018

FILE cache type was the default leading to incorrect principal errors. 54814] 1517843475.870496: Processing preauth types: 16, 15, 19, 2. 54814] 1517843478.783577: Processing preauth types: 19. 54814] 1517843475.870496: Processing preauth types: 16, 15, 19, 2. 54814] 1517843478.783577: Processing preauth types: 19.

Servers 40

Servers Code Cache Traffic 40

Scalegrid

NOVEMBER 23, 2023

The host variable can be found within specified code strings dedicated to creating/modifying content present on that particular remotely located Postgresql platform system. Clearing your local machine’s DNS cache and setting up conditional forwarders on Hub VNET for customizing the DNS Server may help solve these issues.

Database 130

Database Servers Storage Network 130

SQL Performance

APRIL 18, 2022

As the name suggests, this contains a code describing the type of parameterization used for the statement. The values are documented in sys.query_store_query : 0 – None. It’s important to remember the plan must be cached. Requesting an estimated plan from SSMS does not cache the plan produced (since SQL Server 2012).

Cache 58

Cache Servers Database Testing 58

Smashing Magazine

FEBRUARY 27, 2024

Here’s how the spec explains it: “The primary difference between the two metrics is that [First Paint] marks the first time the browser renders anything for a given document. const duration = entry.duration; // Calculate the time before processing starts. const duration = entry.duration; // Calculate the time before processing starts.

Performance 95

Performance Metrics Monitoring Google 95

Smashing Magazine

OCTOBER 26, 2018

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). Recommended reading : WordPress Security As A Process. Before we delve deeper in the code, a couple more things about WordPress REST API.

Cache 78

Cache Website Speed Database 78

SQL Performance

SEPTEMBER 6, 2022

This article isn’t about the act of lock escalation itself, which is already well documented and generally well understood. Much of the documentation is incorrect or at least imprecise about this and I’ve been unable to find a correct description in other writings. This appears to contradict the documentation in several respects.

Database 98

Database Storage Testing Servers 98

Percona

NOVEMBER 6, 2023

Please find the code and recipes from this blog post in this GitHub repository. Derive the configuration to capture custom resource metrics As per the documentation , configuration needs to be added to kube-state-metrics deployment to define your custom resources and the fields to turn into metrics. 98] "Starting kube-state-metrics".

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