SQL Performance

AUGUST 1, 2022

Recently I covered some of the T-SQL improvements in SQL Server 2022 here , and Aaron Bertrand covered additional improvements here. Microsoft just announced the release of SQL Server 2022 CTP 2.1. I’ll be using the sample database TSQLV6 in the examples in this article. Those improvements were introduced in CTP 2.0.

Servers 142

Servers Testing C++ Code 142

SQL Performance

MAY 24, 2022

Microsoft recently released the first public preview of SQL Server 2022. I’ll be using the sample database TSQLV6 in the examples in this article. This clause allows you to shorten your code by avoiding the repetition of identical parts of your window specifications. This release has a number of T-SQL improvements.

Servers 145

Servers C++ Code Database 145

Percona

JULY 7, 2023

With the average cost of unplanned downtime running from $300,000 to $500,000 per hour , businesses are increasingly using high availability (HA) technologies to maximize application uptime. Where a high availability design once worked well, it can no longer keep up with more complex requirements.

Availability 82

Availability Open Source Architecture Database 82

Dynatrace

MARCH 18, 2024

For example, Amazon Web Services (AWS) charges for data transfer between Amazon EC2 instances within the same region. Flexible pricing models that offer discounts based on commitment or availability can greatly reduce cloud waste. This includes spot instances such as unused cloud capacity that’s available at a discounted price.

Best Practices 238

Best Practices Strategy Cloud AWS 238

Percona

AUGUST 22, 2023

With so much at stake, database high availability and fault tolerance have become must-have items, but many companies just aren’t certain which one they must have. This blog article will examine shared attributes of high availability (HA) and fault tolerance (FT). What does high availability mean?

Availability 77

Availability Hardware Open Source Database 77

Percona

JANUARY 2, 2024

Managing database servers involves different aspects, among which security is critical. However, we know having a “runaway” grant is always a possibility, especially in environments with a large number of servers. Fortunately, in Percona Server for MySQL , this feature is free to use. How does it work?

Servers 81

Servers Database Open Source Scalability 81

Dynatrace

APRIL 8, 2020

It prevents your application from fully leveraging the available CPU. Optimize your code by finding and fixing the root cause of garbage collection problems. These details arm you with the knowledge necessary to find the respective code and remove unnecessary allocations. This resource is not available to your application. .

Speed 165

Speed Code Java Lambda 165

DZone

FEBRUARY 7, 2022

It offers all the functionality we need to deploy our application in production, with a hybrid system with static pages and server-side rendered (SSR) pages. Isomorphic: Works on both server and client (browser). Static export: Compile static files to be able to upload to the server. SSR Benefits (Next.js). Performance.

Mobile 246

Mobile Website Servers Code 246

Smashing Magazine

FEBRUARY 2, 2022

Improving JavaScript Bundle Performance With Code-Splitting. Improving JavaScript Bundle Performance With Code-Splitting. It’s a common misconception that the code which is produced by the framework build tools (Webpack, for example) is fully optimized and cannot be improved upon any further. Adrian Bece. Large preview ).

Code 89

Code Performance Network Website 89

The Netflix TechBlog

MAY 4, 2023

It provides a good read on the availability and latency ranges under different production conditions. These include options where replay traffic generation is orchestrated on the device, on the server, and via a dedicated service. Also, since this logic resides on the server side, we can iterate on any required changes faster.

Traffic 339

Traffic Latency Tuning Systems 339

Smashing Magazine

MAY 16, 2022

Rethinking Server-Timing As A Critical Monitoring Tool. Rethinking Server-Timing As A Critical Monitoring Tool. In the world of HTTP Headers, there is one header that I believe deserves more air-time and that is the Server-Timing header. Setting Server-Timing. Sean Roberts. 2022-05-16T10:00:00+00:00.

Servers 93

Servers Monitoring Cache Network 93

CSS Wizardry

DECEMBER 9, 2023

A trivial performance optimisation to help speed up third-party or other-origin requests is to preconnect them: hint that the browser should preemptively open a full connection ( DNS , TCP , TLS ) to the origin in question, for example: In the right circumstances, this simple, single line of HTML can make pages hundreds of milliseconds faster !

Speed 234

Speed Network Analytics Availability 234

Brendan Gregg

JANUARY 1, 2019

Programming in eBPF directly is incredibly hard, the same as coding in v8 bytecode. But no one codes in v8: they code in JavaScript, or often a framework on top of JavaScript (jQuery, Angular, React, etc). People will use it and code in it via frameworks. What is an example of eBPF tracing? It's the same with eBPF.

C++ 111

C++ Virtualization Programming Code 111

Dynatrace

APRIL 14, 2022

With a critical CVSS rating of 9.8 , Spring4Shell leaves affected systems vulnerable to remote code execution (RCE). Further, the report lists Tomcat as the most popular Java application server. In the example below, we have a simple DemoObject class that contains a string attribute message. What is the Spring Framework?

Java 221

Java Servers Code Open Source 221

Dynatrace

MAY 17, 2023

When software runs in a monolithic stack on on-site servers, observability is manageable enough. While classic logging is an essential tool in debugging issues, it often lacks context and only provides snapshot information of one specific location in your code/application.

Metrics 185

Metrics Open Source Traffic Cache 185

CSS Wizardry

JUNE 30, 2023

TTFB is a good measure of your server response times and general back-end health, and issues here may have knock-on effects later down the line (namely with Largest Contentful Paint). More accurately, DOMContentLoaded signifies that all blocking and defer and type=module code has finished running. log ( window. performance. Who knows?!

Metrics 326

Metrics Google Monitoring Analytics 326

The Netflix TechBlog

FEBRUARY 3, 2021

There are two different approaches to GraphQL development; schema-first and code-first development. The code in your service only implements this schema. With code-first development , you don’t have a schema file. Instead, the schema gets generated at runtime based on definitions in code. Let’s start with a simple schema.

Open Source 246

Open Source Java Architecture Metrics 246

Scalegrid

SEPTEMBER 18, 2020

When deploying MongoDB in production, it is strongly recommended that you use an SSL-enabled geo-distributed replica-set configuration for maximum security and availability. One option is purchasing your own CA-signed SSL certificates and configuring them on the MongoDB server. Else the code samples will not work.

C++ 244

C++ Programming Servers Database 244

Smashing Magazine

NOVEMBER 2, 2021

Creating A Magento PWA: Customizing Themes vs. Coding From Scratch. Creating A Magento PWA: Customizing Themes vs. Coding From Scratch. One of the reasons for that is because a PWA has the same code base. So unlike the case with native applications, the progressive web app needs to be coded only once. Alex Husar.

Code 74

Code Cache Retail Mobile 74

Dynatrace

MAY 17, 2023

For that, we focused on OpenTelemetry as the underlying technology and showed how you can use the available SDKs and libraries to instrument applications across different languages and platforms. However, this method limited us to instrumenting the code manually and collecting specific sets of data we defined upfront. What is OneAgent?

Metrics 176

Metrics Monitoring Database Network 176

Dynatrace

JULY 11, 2023

When exploiting the vulnerability, attackers can gain remote code injection capabilities in the MOVEit server and modify or steal sensitive data from its database. For example, the LEMURLOOR web shell Cl0p used during the Memorial Day attacks used a backdoor called human2.aspx.

Database 163

Database Government Games Servers 163

Testsigma

FEBRUARY 3, 2021

Example: Let’s take an example of an e-commerce mobile app. Unit Testing – Developers execute unit tests for the smallest unit of code, whenever they commit new code in the code repository. Example: Here, we test the integration of two or more modules like- from cart to make a payment module.

Mobile 82

Mobile Testing Hardware C++ 82

Dynatrace

NOVEMBER 18, 2021

With PurePath ® distributed tracing and analysis technology at the code level, Dynatrace already provides the deepest possible insights into every transaction. Automatic contextualization of log data works out-of-the-box for popular languages like Java,NET, Node.js, Go, and PHP, as well as for NGiNX and Apache Web servers.

Analytics 229

Analytics Cloud Java Serverless 229

Dynatrace

AUGUST 11, 2022

Function as a service is a cloud computing model that runs code in small modular pieces, or microservices. Cloud providers then manage physical hardware, virtual machines, and web server software management. In a FaaS model, developers can write code functions on demand, without being hindered by dependencies on existing applications.

Development 256

Development Serverless Best Practices Lambda 256

Dynatrace

MARCH 22, 2023

This method involves providing the lowest level of access by default, deleting inactive accounts, and auditing server activity. For example, ensuring software stacks don’t use default accounts or passwords, error handling doesn’t reveal sensitive information, and application server frameworks use secure settings.

Open Source 203

Open Source Artificial Intelligence Internet Internet 203

Dynatrace

OCTOBER 26, 2022

From common coding libraries to orchestrating container-based computing, organizations now rely on open source software—and the open standards that define them—for essential functions throughout their software stack. Open source software is any software component that’s publicly available for people to modify and share.

Open Source 196

Open Source Software Software Development 196

Percona

JUNE 1, 2023

In this case, we will be analyzing the migration of MariaDB to Percona Server for MySQL 8 in particular. the same does not happen with MariaDB, which from a specific version, we could say in some way, distanced itself from MySQL and Percona Server for MySQL. Upload that dump to the Percona Server for MySQL using myloader.

Servers 71

Servers Database Testing Open Source 71

Dynatrace

MAY 4, 2021

If your teams are using OpenTelemetry custom instrumentation to enrich monitoring data with project-specific details (for example, to add business data or capture developer-specific diagnostics points) and you want to retain their instrumentation invest. TL;DR summary.

Cloud 264

Cloud Java Tuning Monitoring 264

Scalegrid

JANUARY 25, 2024

You will need to know which monitoring metrics for Redis to watch and a tool to monitor these critical server metrics to ensure its health. Connected_slaves provides information about replication status while Used_memory tracks utilized amount of server’s total capacity. <code> 127.0.0.1:6379> <code> 127.0.0.1:6379>

Metrics 130

Metrics Monitoring Latency Cache 130

Sutter's Mill

MARCH 11, 2024

Many of the most damaging recent security breaches happened to code written in MSLs (e.g., recommend using instead of C++ ( example ), so by definition addressing these four would address the immediate NIST/NSA/CISA/etc. We can and do write “good” code and secure applications in C++. issues with C++.

C++ 139

C++ Programming Code Java 139

Dynatrace

MAY 9, 2022

Dynatrace, for example, can identify an issue with third-party dependencies and reveal the issue’s effect on application performance. Overprovisioned servers lead to CPU and memory waste, creating inefficient usage and increasing costs. Modernize the application, containerize the application, and refactor the code. Repurchase.

Strategy 204

Strategy Cloud Infrastructure Java 204

Scalegrid

DECEMBER 14, 2023

On an abstract level, whenever you use MongoClient to connect, send, or receive a request, it internally uses predefined timeout options to decide how long the application will wait for an initial connection establishment or the response from the server for your request.

Java 130

Java Network Servers Database 130

Dynatrace

JULY 1, 2020

F or example dashboarding, SAPGUI user experience anal ytic s , and problem detection. . Application health , availability, problems, and user crashes offer a quick view of performance , which enables support teams to quickly understand where applications are experiencing faults. . L et ’s delve into how each of these works.

Database 245

Database Servers Monitoring Code 245

Dynatrace

MAY 31, 2023

Keeping pace with modern digital transformation requires ensuring that applications are responsive, resilient, and always available amid increased complexity. There are now many more applications, tools, and infrastructure variables that impact an application’s performance and availability. availability.

Best Practices 228

Best Practices DevOps Latency Metrics 228

Dynatrace

DECEMBER 27, 2022

In this example, “Reverse proxy” and “Front-end server” are clearly in the critical path. In this example, “hipstershop.currency,” “hipstershop.checkout” and “hipstershop.cart” are also part of this critical path. In this example, we’re creating an SLO with a target of 98% of our requests without errors. Saturation.

Software 269

Software Software Benchmarking Latency 269

Dynatrace

AUGUST 24, 2020

To make this possible, the application code should be instrumented with telemetry data for deep insights, including: Metrics to find out how the behavior of a system has changed over time. And because Dynatrace can consume CloudWatch metrics, almost all your AWS usage information is available to you within Dynatrace.

Analytics 246

Analytics Infrastructure AWS Operating System 246

Dynatrace

JULY 29, 2021

Dynatrace stores transaction data (for example, PurePaths and code-level traces) on disk for 10 days by default. Increased storage space availability. For example, when retention times are set to 5 days, only 2 days of older data is compressed; or when set to 10 days, 7 days of older data is compressed.

Storage 203

Storage Virtualization Infrastructure Availability 203