Dynatrace

OCTOBER 7, 2021

This means you no longer have to provision, scale, and maintain servers to run your applications, databases, and storage systems. Amazon SQS: The Amazon Simple Queue Service enables users to decouple and scale microservices, serverless applications, and distributed systems, reducing both IT overhead and total complexity. Data Store.

Serverless 282

Serverless AWS Lambda Storage 282

Brendan Gregg

MARCH 16, 2024

The problem is that this system has a default libc that has been compiled without frame pointers, so any stack walking stops at the libc layer, producing a partial stack that's missing the application frames. This is pretty common and usually goes unnoticed as the flame graph looks ok at first glance. What are frame pointers?

Java 145

Java Cache Google Hardware 145

Scalegrid

JULY 8, 2020

In this post, we will explain the Redis transactional property of scripts, what this error is about, and why we must be extra careful about it on Sentinel-managed systems that can failover. The complete information on methods to kill the script execution and related behavior are available in the documentation. Demonstration.

Servers 239

Servers Database Availability Monitoring 239

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

Also, high-quality documentation is available for developers with any development issues and queries. Also, there are tutorials, video forums, and documentation, making PHP development easy and troubleshooting more accessible. Various techniques, such as caching and optimization, improve the website’s performance and speed.

Development 98

Development Ecommerce Open Source Website 98

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. Streamlined asset caching: Asset caching is critical for creating accurate replays. Make sure you know what assets your replay tool is recording and how you can access them.

Mobile 248

Mobile Website Analytics Cache 248

Smashing Magazine

SEPTEMBER 28, 2022

On design systems, UX, web performance and CSS/JS. Jamstack is popular with documentation sites that usually compile code to HTML files and host them on the CDN. Active Memory Caching. When you want to get data that you already had quickly, you need to do caching — caching stores data that a user recently retrieved.

Cache 125

Cache Performance Servers Social Media 125

IO River

NOVEMBER 2, 2023

‍TLS Certificate Breach - A TLS certificate is a digital document that authenticates the identity of a website or server and enables secure encrypted communication. Cache Poisoning - In cache poisoning attacks, attackers manipulate the CDN by multiple content requests.

Strategy 52

Strategy Cache Best Practices Website 52

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. 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.

Performance 54

Performance Benchmarking Cache Storage 54

The Morning Paper

SEPTEMBER 24, 2019

50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system Reardon et al., Side-channels are typically an unintentional consequence of a complicated system. The OpenX SDK was found to be using the ARP cache side channel, and the code makes it clear the authors knew what they were doing.

Systems 74

Systems Traffic Network Google 74

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. This table told me that if I’m spending 16% of a core on page faults then I’m probably also spending – hidden in the System process – about 13.7% The system process manages to consume 29 processors (!!!)

Cache 105

Cache Energy Google Processing 105

The Netflix TechBlog

SEPTEMBER 8, 2020

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. You can find a lot more details about how this works in the Spinnaker canaries documentation. This meant that data that was static (e.g.

Latency 233

Latency Cache Java Traffic 233

Percona

JULY 17, 2023

5 among all database management systems and No. 1 among non-relational/document-based systems ( DB-Engines, July 2023 ). Instead of the table-based structure of relational databases, MongoDB stores data in documents and collections, a design for handling large amounts of unstructured data and for real-time web applications.

Open Source 74

Open Source Database Scalability Software 74

Dynatrace

OCTOBER 15, 2021

Loosely defined, observability is the ability to understand what’s happening inside a system from the knowledge of the external data it produces, which are usually logs, metrics, and traces. Source: OpenTelemetry Documentation. OTel is a specialized protocol for collecting telemetry data and exporting it to a target system.

Open Source 221

Open Source Metrics Cloud Transportation 221

Percona

APRIL 17, 2023

In this blog post, we will discuss the best practices on the MongoDB ecosystem applied at the Operating System (OS) and MongoDB levels. Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100.

Best Practices 52

Best Practices Design Tuning Database 52

Smashing Magazine

AUGUST 3, 2023

It also opens up the possibility for more effective use of caching strategies, potentially enhancing load times further. Their primary role is to store (or “cache”) copies of web content — like HTML pages, JavaScript files, and multimedia content — and deliver it to users based on their geographic location.

Performance 74

Performance Cache Traffic Metrics 74

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. This is unfortunate, because we’d really like to be able to build systems that have an SLA that we can share with the consumers of our interfaces, and be able to measure how well we are doing.

Lambda 98

Lambda Latency Cache C++ 98

IO River

NOVEMBER 2, 2023

Hence, when attackers manage to infiltrate the CDN, they can effortlessly access and read the data as it has already been decrypted by the CDN.‍‍TLS Certificate Breach - A TLS certificate is a digital document that authenticates the identity of a website or server and enables secure encrypted communication.

Strategy 40

Strategy Cache Best Practices Website 40

Percona

NOVEMBER 7, 2023

This book has five major sections on MVCC and Isolation (108 pages), Buffer Cache and WAL (53 pages), Locks (42 pages), Query Execution (154 pages), and the types of indexes (127 pages). The illustrations are clear, and there are many reference pointers to the documentation or source code where needed. Is this an easy read?

Cache 87

Cache Servers Operating System Database 87

Tim Kadlec

MARCH 19, 2018

How well does AMP perform when the library is served using the AMP cache? But what you don’t see is that Google gets that instantaneous loading by actively preloading AMP documents in the background. In the case of the search carousel, it’s literally an iframe that gets populated with the entirety of the AMP document.

Cache 79

Cache Google Speed Metrics 79

Percona

MAY 2, 2023

ChatGPT: The InnoDB buffer pool is used by MySQL to cache frequently accessed data in memory. If we expand the cache concept more, the buffer pool could be even less if the working set (hot data) is smaller. Also, there is a documented bug: OPTIMIZE TABLE does not sort R-tree indexes, such as spatial indexes on POINT columns.

Social Media 119

Social Media Database Servers Cache 119

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. To do this on Windows systems you must open Run and type in services.msc. When accessing from outside sources -i.e.

Database 130

Database Servers Storage Network 130

Smashing Magazine

OCTOBER 26, 2018

WordPress core developers used a system of hooks which allowed other developers to modify or extend certain functionalities. It’s an all-in-one system that is equipped with a working admin interface; it manages database connection, and has a bunch of useful APIs exposed that handle user authentication, routing, and more.

Cache 78

Cache Website Speed Database 78

Smashing Magazine

DECEMBER 23, 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. When developing a PWA, you can cache the application shell’s resources and assets in the browser. Cached content with IndexedDB. Cache first, then network. Service Workers.

Cache 123

Cache Internet Internet Google 123

Percona

SEPTEMBER 28, 2023

Whenever you install your favorite MySQL server on a freshly created Ubuntu instance, you start by updating the configuration for MySQL, such as configuring buffer pool, changing the default datadir director, and disabling one of the most outstanding features – query cache. It’s a nice thing to do, but first things first.

Servers 112

Servers Best Practices Database Open Source 112

Dynatrace

OCTOBER 15, 2020

Statically linked application binaries have their merits; they’re self-contained and they don’t have dependencies on the systems they’re deployed to. From http.Transport documentation : By default, Transport caches connections for future reuse. is used to enforce a statically linked foxy executable.

Transportation 185

Transportation Monitoring Metrics Code 185

HammerDB

JUNE 27, 2022

HammerDB has graphical and command line interfaces for the Windows and Linux operating systems. An important concept was to simulate database users called Virtual Users in parallel (rather than concurrently) to accurately simulate a real database workload with multiple users running from separate systems. Cached vs Scaled Workloads.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

SQL Server According to Bob

NOVEMBER 8, 2016

Note: We received feedback that there was some confusion on us calling this functionality “tail of the log caching” because our documentation and prior history has referred to the tail of the log as the portion of the hardened log that has not been backed up. Tail Of Log Caching.

Cache 40

Cache Servers Media Storage 40

Percona

JULY 5, 2023

Fragmentation is a common concern in some database systems. The principle of locality While the principle of locality is usually related to processors and cache access patterns, it also applies to data access in general. The freed space will not return to the file system but will be reused by new pages. What is fragmentation?

Open Source 124

Open Source Database Efficiency Testing 124

Percona

NOVEMBER 6, 2023

Percona Operators allow users to easily manage complex database systems in a Kubernetes environment. 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. version=2.9.2,pod-template-hash=7bd9c67f64

Metrics 69

Metrics Monitoring Database Cache 69

Brendan Gregg

JULY 2, 2021

This is also applicable for people adding it to their own in-house monitoring systems. You likely already have agents running on all your customer systems. There are so many options it's really your own preference based on your existing system and customer environments. cachestat File system cache statistics line charts.

Latency 145

Latency Cache Energy Systems 145

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently.

Servers 90

Servers Media Cache Storage 90

Sutter's Mill

SEPTEMBER 28, 2023

push_back still doesn’t ) and I found I liked that my code explicitly self-documented it was not looking at output values… my code looked better. Problem solved, and it and self-documents that the code really meant to ignore a function’s output value. set(flags), and.clear(flags).

C++ 89

C++ Cache Code Design 89

Smashing Magazine

OCTOBER 26, 2021

Nx is an open-source build framework that helps you architect, test, and build at any scale — integrating seamlessly with modern technologies and libraries, while providing a robust command-line interface (CLI), caching, and dependency management. Nx uses distributed graph-based task execution and computation caching to speed up tasks.

Cache 109

Cache Servers Code Storage 109

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. This improves page load time and caching during navigations.

Performance 145

Performance Cache Media Metrics 145

Tech News Gather

JULY 18, 2023

Thus, with such apps, we can reduce the risk of infection and ease the burden on the healthcare system. Not just among developers but also clients, Laravel has immense popularity because it simplifies complex tasks like authenticating, routing, caching, and testing content. The community organizes events like Laracon and Laravel Live.

Healthcare 52

Healthcare Social Media Development Artificial Intelligence 52

Percona

MAY 2, 2023

As a MongoDB user, it’s crucial to ensure that your data is safe and secure in the event of a disaster or system failure. Regular database backups are essential to protect against data loss caused by system failures, human errors, natural disasters, or cyber-attacks. Why are MongoDB database backups important?

Best Practices 52

Best Practices Database Storage Servers 52