ACM Sigarch

DECEMBER 19, 2022

We look here at a Gedankenexperiment: move 16 bytes per cycle , addressing not just the CPU movement, but also the surrounding system design. To move 16 bytes per cycle requires at least four instructions per cycle: load, store, test-done, and branch. The standard short move code tests that len is small, say < 16, and then does.

Design 145

Design Systems Cache Network 145

Dynatrace

NOVEMBER 6, 2023

Application observability helps IT teams gain visibility in their highly distributed systems, but what is developer observability and why is it important? The scale and the highly distributed systems result in enormous amounts of data. They also care about infrastructure: SREs require system visibility and incident management.

Development 262

Development DevOps Programming Cloud 262

Testlodge

MARCH 15, 2023

White box testing is a software testing approach based on an analysis of the internal structure of the component or system. Internal structure may include code, architecture, integrations, and data flows of a system. Why is White Box Testing Performed? Testers perform white box testing for several reasons.

Testing 83

Testing Testing Tools Java Programming 83

Testlodge

AUGUST 9, 2023

Basis path testing in software testing is a white box method where the tester examines the codebase to identify all possible paths that could be taken by the user to achieve their aims. These paths are then written as test cases to ensure all the different identified scenarios in the main branches are covered.

Testing 75

Testing Software Software C++ 75

O'Reilly

APRIL 9, 2024

“Hail the QA Engineer” may be clickbait, but it isn’t controversial to say that testing and debugging will rise in importance. First, one of the cornerstones of QA is testing. Generative AI can generate tests, of course—at least it can generate unit tests, which are fairly simple.

Games 77

Games Programming Testing Code 77

The Morning Paper

MARCH 15, 2020

Understanding, detecting and localizing partial failures in large system software , Lou et al., Partial failures ( gray failures ) occur when some but not all of the functionalities of a system are broken. Here are the key findings: Partial failures appear throughout the release history of each system, 54% within the last three years.

Systems 98

Systems Software Software Programming 98

Testlodge

APRIL 19, 2023

Integration testing involves taking units or modules and testing how they work once integrated with a system’s other units. A module can be something as simple as a bug fix, a story, or something more extensive such as adding a new feature or third-party option to a system.

Testing 68

Testing Programming Performance Testing Systems 68

DZone

FEBRUARY 27, 2021

This begins not only in designing the algorithm or coming out with efficient and robust architecture but right onto the choice of programming language. Recently, I spent some time checking on the Performance (not a very detailed study) of the various programming languages. In Byteland they have a very strange monetary system.

Java 207

Java C++ Benchmarking Programming 207

Dynatrace

JULY 7, 2022

It’s easy to see why, with benefits such as better testing, easier deployment, faster performance, and more. Then, they can split these services into functional application programming interfaces (APIs), rather than shipping applications as one large, collective unit. But nothing is perfect — and microservices is no exception.

Architecture 200

Architecture Serverless Azure Programming 200

Dynatrace

MAY 23, 2022

Shifting from monolith to microservices makes it easier to test, develop, and release innovative features more rapidly. IDC predicted, by 2022, 90% of all applications will feature microservices architectures that improve the ability to design, debug, update, and use third-party code. Easier to test. Easier to develop.

Architecture 195

Architecture DevOps Monitoring Programming 195

Dynatrace

AUGUST 18, 2022

Whether deployment of a new system, a new release, or a rolling patch update, I wanted it done consistently and successfully every time. In some cases, this meant testing my scripted methodology hundreds of times before deploying to production in order to catch every nuance and condition that could affect the result.

Games 293

Games Monitoring Infrastructure DevOps 293

Testlodge

JULY 19, 2023

SOX compliance testing validates changes made to code and verifies adherence to internal controls. Testers are responsible for testing code changes to ensure accuracy. The overall intention of SOX testing is to protect stakeholders and other investors from corporate fraud. There are four major types of controls.

Testing 81

Testing Energy Programming Government 81

Dynatrace

APRIL 8, 2024

If system failures occur, teams must resolve them quickly and resolutely. Maximizing a strong foundation of IT infrastructure performance and security means effectively utilizing all the data that these systems produce to drive risk management processes and decision-making. Automate stress-testing and regulatory reporting requirements.

Analytics 200

Analytics Infrastructure Efficiency Technology 200

O'Reilly

JULY 11, 2023

Matt Welsh has been talking and writing about the end of programming as such. He’s asking whether large language models eliminate programming as we know it, and he’s excited that the answer is “yes”: eventually, if not in the immediate future. AIs generate incorrect code, and that’s not going to end soon.

Programming 99

Programming Code Design Software 99

Testlodge

JANUARY 26, 2022

Non-functional testing focuses on user expectations, whereas functional testing is to do with user requirements. Non-functional testing examines how a system operates rather than looking at specific functions or behaviors. Why is Non-Functional Testing necessary? Risks of not Performing Non-Functional Testing.

Testing 74

Testing Open Source Testing Tools Programming 74

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute.

Programming 67

Programming Benchmarking Virtualization C++ 67

Dynatrace

APRIL 19, 2023

When organizations focus on data privacy by design, they build security considerations into cloud systems upfront rather than as a bolt-on consideration. Practices include continuous security testing, promoting a mature DevSecOps culture, and more. Log4j is a ubiquitous software code in various consumer-facing products and services.

Design 191

Design Storage Programming Analytics 191

Dynatrace

SEPTEMBER 28, 2021

As we look at today’s applications, microservices, and DevOps teams, we see leaders are tasked with supporting complex distributed applications using new technologies spread across systems in multiple locations. Let’s dive into how these metrics and DevOps KPIs can help your team perform better and deliver better code.

DevOps 200

DevOps Metrics Traffic Efficiency 200

PDC

FEBRUARY 13, 2019

Parallel programming solves big numerical problems by dividing them into smaller sub-tasks, and hence reduces the overall computational time on multi-processor and/or multi-core machines. Traditionally, Python is considered to not support parallel programming very well, partly because of the global interpreter lock (GIL). Serial code.

Programming 71

Programming Code Processing C++ 71

Dynatrace

MAY 30, 2023

Just copy and paste your code, make changes to the “green” version, and deploy “green” alongside “blue.” A “deployment” no longer means a “release” Using feature flags, “deploying” code no longer means “releasing code to end users.” After all, if you know that by default, no one gets the new code, your deployment is safe.

Infrastructure 209

Infrastructure Code DevOps Traffic 209

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.

Open Source 246

Open Source Java Architecture Metrics 246

O'Reilly

AUGUST 9, 2022

GitHub Copilot (based on a model named Codex , which is derived from GPT-3) generates code in a number of programming languages, based on comments that the user writes. Going in the other direction, GPT-3 has proven to be surprisingly good at explaining code. In the 1950s, computers were programmed in machine language.

Programming 105

Programming Java C++ Design 105

Dynatrace

JUNE 28, 2022

With this approach, teams can scale testing for all environments, which reduces efforts in replicating, updating, and maintaining test scripts. The ability to scale testing as part of the software development lifecycle (SDLC) has proven difficult. No external tools or additional configurations are needed.

Monitoring 200

Monitoring Software Software DevOps 200

Scalegrid

SEPTEMBER 18, 2020

Note: All the code samples have been tested using MongoDB Driver v2.8.1 🚧 Remember to… Modify the file paths and connection URLs in the code samples to your own file paths and URLs. Else the code samples will not work. Else the code samples will not work. along with.NET Framework v4.6.1.

C++ 244

C++ Programming Servers Database 244

Dynatrace

DECEMBER 16, 2020

Typically, the attackers attempt to exploit some weakness in the vendor’s development or delivery life cycle and attempt to inject malicious code before an application is signed and certified. Dynatrace tracks worst-case scenarios and business risks as part of its business continuity planning program. It all starts with the code.

Software 233

Software Software Development AWS 233

Percona

DECEMBER 22, 2023

pt - galera - log - explainer takes raw log files, usually very verbose as the one available in the regression test suite , and makes short summary out of them: $./bin/pt-galera-log-explainer bin/pt-galera-log-explainer list --all src/go/pt-galera-log-explainer/tests/logs/merge_rotated_daily/node1.20230315.log 12346 s76 -> 127.0.0.1:12347

Operating System 100

Operating System Programming Open Source Testing 100

Dynatrace

JULY 25, 2022

Building on the success of DevOps practices, GitOps is a relatively new way to manage infrastructure through code and automation, around a single Git repository (or a storage system for all the changes and files that relate to a given project). Development teams use GitOps to specify their infrastructure requirements in code.

DevOps 225

DevOps Infrastructure Speed Cloud 225

Dynatrace

MAY 8, 2023

DevOps aims to move applications more quickly into production by releasing new builds frequently — often several times per day — and incorporating constant feedback and testing, both during development and after software is deployed. In addition, monitoring DevOps processes provide the following benefits: Improve system performance.

DevOps 220

DevOps Efficiency Monitoring Infrastructure 220

Testsigma

JUNE 3, 2021

These are the errors that also need attention during the testing phase. We can divide the errors during software development into two sections for easy understanding: Software errors Testing errors. These errors are caught during software documentation testing. Let’s understand each of them in detail below. Software errors.

Software 82

Software Software Testing Hardware 82

Dynatrace

JULY 6, 2022

IT automation is the practice of using coded instructions to carry out IT tasks without human intervention. At its most basic, automating IT processes works by executing scripts or procedures either on a schedule or in response to particular events, such as checking a file into a code repository. Testing automation can be painstaking.

Artificial Intelligence 188

Artificial Intelligence Tuning Strategy Big Data 188

Enprowess

OCTOBER 7, 2021

8 Functional Testing types. Quick Summary: In the most straightforward and simple words, functional testing tests various aspects of an application, website, or system to guarantee that it is correctly doing what it should be. What is Functional testing? What to test in functional testing?

Testing 52

Testing Software Software Systems 52

Dynatrace

JANUARY 31, 2022

The DevOps approach to developing software aims to speed applications into production by releasing small builds frequently as code evolves. On the left side of the loop, teams plan, develop, and test software in pre-production. To automate part of the process, teams can use application programming interface calls.

DevOps 201

DevOps Testing Monitoring Speed 201

Testlodge

JUNE 16, 2021

The wide accessibility of the internet around the globe has made it easy for hackers to intrude into an organization’s system in an unethical manner and compromise their security controls to fulfill their harmful goals. An Introduction to Penetration Testing. Why do we perform Penetration Testing?

Testing 67

Testing Hardware Open Source Internet 67

The Netflix TechBlog

MAY 21, 2019

using RL agents for test case scheduling By: Stanislav Kirdey , Kevin Cureton , Scott Rick , Sankar Ramanathan Introduction Netflix brings delightful customer experiences to homes on a variety of devices that continues to grow each day. Detect a regression in a test case. These problems could be solved in several different ways.

Testing 163

Testing AWS Lambda Network 163

O'Reilly

OCTOBER 17, 2023

Designing and writing software systems that generate prompts automatically. This work is increasingly falling under the rubric RAG (Retrieval Augmented Generation), in which a program takes a request, looks up data relevant to that request, and packages everything in a complex prompt. To say nothing of debugging and testing.)

Programming 100

Programming Education Engineering Design 100

Dynatrace

JANUARY 31, 2022

The DevOps approach to developing software aims to speed applications into production by releasing small builds frequently as code evolves. On the left side of the loop, teams plan, develop, and test software in pre-production. To automate part of the process, teams can use application programming interface calls.

DevOps 196

DevOps Testing Monitoring Speed 196

Testsigma

FEBRUARY 6, 2020

According to IEEE Std 829-1998, Software Testing is defined as “the process of analyzing a software item to detect the differences between existing and required conditions (i.e. ” With the advent of new technologies and new software being released every day, software testing is gaining more strength and accolades.

Software 69

Software Software Testing Scalability 69