DZone

MAY 15, 2021

Cross-browser testing has become an integral part of the test process to ensure the product experience and behavior remain consistent across different combinations of web browsers, devices, and operating systems. In this blog, we learn how to execute NUnit parameterized tests with examples.

Testing 227

Testing Operating System Code Processing 227

DZone

DECEMBER 21, 2021

The best thing about Black box testing is that it can be applied to all levels of testing ( Unit, integration, system, and acceptance). It is a software testing technique to examine the functioning of software from an external outlook without digging deeper into its code.

Testing 235

Testing Software Software Code 235

The Netflix TechBlog

SEPTEMBER 29, 2022

Timestone: Netflix’s High-Throughput, Low-Latency Priority Queueing System with Built-in Support for Non-Parallelizable Workloads by Kostas Christidis Introduction Timestone is a high-throughput, low-latency priority queueing system we built in-house to support the needs of Cosmos , our media encoding platform. Over the past 2.5

Latency 212

Latency Systems Media Serverless 212

Testlodge

MARCH 12, 2024

System testing involves analyzing the behavior and functionality of a fully integrated application. To help us to understand, let’s use an example. While being integrated with the system, each component is analyzed individually. Types of System Testing This kind of testing can be both functional and non-functional.

Systems 90

Systems Testing Open Source Hardware 90

DZone

APRIL 21, 2023

Test tools are software or hardware designed to test a system or application. In addition to automating testing tasks, test tools can produce test data, monitor system performance, and report on test results. Various test tools are available for different types of testing, including unit testing, integration testing, and more.

Testing Tools 187

Testing Tools Best Practices Testing Hardware 187

DZone

OCTOBER 17, 2022

Knowing anti-patterns and pitfalls is often more useful than knowing patterns when designing a system, so I decided to write this blog post about factors that I think will lead to producing unreliable systems from my experiences in designing (mostly) distributed enterprise applications.

Systems 100

Systems Design Processing Development 100

All Things Distributed

SEPTEMBER 14, 2020

A great example of this approach to innovation and problem solving is the creation of the AWS Nitro System , the underlying platform for our EC2 instances. Now, with the Nitro System, we can offer the best price performance in the cloud, the most secure environment, and a faster pace of innovation.

Virtualization 213

Virtualization AWS Systems Innovation 213

DZone

JUNE 28, 2023

As part of the testing process, testers usually draft test scenarios that force the system to meet new requirements. It makes it easier to fix defects and ensure software applications' flawless functioning.

Best Practices 141

Best Practices Scalability Testing Infrastructure 141

Dynatrace

SEPTEMBER 8, 2022

Log management is an organization’s rules and policies for managing and enabling the creation, transmission, analysis, storage, and other tasks related to IT systems’ and applications’ log data. Distributed cloud systems are complex, dynamic, and difficult to manage without the proper tools. What is log management?

Systems 186

Systems Cloud Analytics DevOps 186

DZone

MAY 2, 2023

Black box testing is a software testing methodology that focuses on the functional requirements of a system without considering its internal workings or implementation details. Therefore, the tester need not have any knowledge of the internal structure or design of the system.

Best Practices 130

Best Practices Testing Design Systems 130

Tasktop

JUNE 20, 2022

This is easier said than done, so we’ve designed three sets of OKRs examples for software companies to show how it’s possible. In these examples, the product value streams incorporate Flow Metrics into their key results to drive agility and a value focus. Examples of quarterly OKRs for software companies. Activities.

Software 96

Software Software Healthcare Mobile 96

High Scalability

APRIL 9, 2020

Google added another book into their excellent SRE series: Building Secure and Reliable Systems. Copy/pasting a few paragraphs: "In this book we talk generally about systems, which is a conceptual way of thinking about the groups of components that cooperate to perform some function. It's free to download, so don't be shy.

Google 208

Google Systems Best Practices Strategy 208

DZone

NOVEMBER 20, 2019

Desired Capabilities is a class used to declare a set of basic requirements such as combinations of browsers, operating systems, browser versions, etc. You may also like: Discover the Top Tips and Tricks of the Selenium WebDriver. to perform automated cross-browser testing of a web application.

Testing 176

Testing Operating System Website Systems 176

HammerDB

MARCH 25, 2023

Docker build, example CLI scripts were added to build and run the TPROC-C workload in the Tcl language. This post will give an overview of the example CLI scripts that you can run directly or use as a template to write your own. Linux example For a first example we will look at the TPROC-C workload in Tcl running on MariaDB on Linux.

C++ 83

C++ Virtualization Benchmarking Database 83

Dynatrace

AUGUST 24, 2020

We’re pleased to announce that Dynatrace is among the first set of partners to offer support for AWS Distributor , a capability of AWS Systems Manager, that allows you to select from available popular third party agents to install and manage. What is AWS Systems Manager Distributor? Below is an example of the distribution log detail.

AWS 166

AWS Systems Infrastructure Monitoring 166

Percona

FEBRUARY 24, 2023

So, you have dozens of teams with hundreds of engineers who are responsible for ensuring high availability and reliability, including employing fault-tolerant systems, and implementing rigorous testing and monitoring procedures. They can only view information and can’t add services or do any harm to the system.

Metrics 107

Metrics Monitoring Database Engineering 107

DZone

MARCH 9, 2023

Software testing is the process of verifying the working of the software system or application. In other words, it ensures the software application is bug-free and addresses the technical and user requirements.

Best Practices 100

Best Practices Software Software Testing 100

Brendan Gregg

JULY 15, 2020

Eight years ago I wrote _Systems Performance: Enterprise and the Cloud_ (aka the "sysperf" book) on the performance of computing systems, and this year I'm excited to be releasing the second edition. A year ago I announced [BPF Performance Tools: Linux System and Application Observability]. How much has changed since first edition?

Systems 145

Systems Cloud Performance Tuning 145

All Things Distributed

SEPTEMBER 14, 2020

A great example of this approach to innovation and problem solving is the creation of the AWS Nitro System (Nitro System), the underlying platform for our EC2 instances. Now, with the Nitro System, we can offer the best price performance in the cloud, the most secure environment, and a faster pace of innovation.

Virtualization 88

Virtualization AWS Systems Innovation 88

Testlodge

NOVEMBER 1, 2021

For example, it’s usual for software to have been designed with a specific use in mind, but the user doesn’t always understand the same way as the developers and testers. ” Destructive testing is a method that uses the system in a way other than intended to make the software program deliberately fail. Automated Tools.

Systems 81

Systems Testing Software Software 81

Dynatrace

AUGUST 27, 2019

In this alert, xMatters includes all the important incident information from Dynatrace, so there’s no need for you to visit additional system dashboards. Based on this contextual data, resources are prompted with their pre-configured response options, each of which kicks off a workflow across systems (based on the severity of the issue).

Systems 176

Systems Latency DevOps Azure 176

Testsigma

JUNE 3, 2021

Example: An e-commerce website is unable to process the payment part. For example, a user has submitted a form, and the progress bar is showing no progress or activity then the user will get confused if the form has been submitted successfully or not. He may think that the software got stuck and a system restart is needed.

Software 82

Software Software Testing Hardware 82

All Things Distributed

MARCH 12, 2018

A great example of this is the way we are using ML to deal with one of the world's biggest and most tangled datasets: human speech. The interfaces to our digital system have been dictated by the capabilities of our computer systems—keyboards, mice, graphical interfaces, remotes, and touch screens.

Systems 110

Systems AWS Games Transportation 110

Dynatrace

APRIL 18, 2024

Observability of applications and infrastructure serves as a critical foundation for DevOps and platform engineering, offering a comprehensive view into system performance and behavior. For example, an observability solution can track and analyze usage data to help engineers understand how and when to scale resources based on system demand.

DevOps 180

DevOps Engineering Artificial Intelligence Infrastructure 180

DZone

FEBRUARY 27, 2024

Understanding the structures within a Relational Database Management System (RDBMS) is critical to optimizing performance and managing data effectively. Here's a breakdown of the concepts with examples. RDBMS Structures 1.

Database 258

Database Tuning Systems Performance 258

The Morning Paper

JANUARY 16, 2020

Synthesizing data structure transformations from input-output examples , Feser et al., ” Never mind, because the ideas in the paper are still very connected to a question I’m fascinated by at the moment: “how will we be developing software systems over this coming decade?” PLDI’15. High-level approach.

Programming 56

Programming Benchmarking Testing Systems 56

The Morning Paper

DECEMBER 5, 2019

Benchmarking spreadsheet systems Rahman et al., Increasingly we’re dealing with larger and larger datasets — for example, data imported via csv files — and spreadsheets are creaking. They often freeze during computation, and are unable to import datasets well below the size limits posed by current spreadsheet systems.

Benchmarking 56

Benchmarking Systems Google Scalability 56

The Netflix TechBlog

MAY 4, 2023

Behind the scenes, a myriad of systems and services are involved in orchestrating the product experience. These backend systems are consistently being evolved and optimized to meet and exceed customer and product expectations. This technique facilitates validation on multiple fronts.

Traffic 339

Traffic Latency Tuning Systems 339

Dynatrace

MARCH 15, 2024

Syslog is the go-to protocol that delivers infrastructure administrators, network engineers, and security team logs that tell them all they need to know about their systems’ delivery, performance, availability, and security. Take a look at this example for configuration. Point your syslog sources to the collector and you’re done!

Open Source 201

Open Source Infrastructure Network Government 201

Dynatrace

JANUARY 29, 2024

Closed loop” refers to the continuous feedback loop in which the system takes actions — based on monitoring and analysis — and verifies the results to ensure complete problem remediation. The goal is to either improve or restore the system to its optimally functioning state. Ideally, this all occurs without human intervention.

Best Practices 192

Best Practices DevOps Energy Innovation 192

The Morning Paper

OCTOBER 11, 2020

Orbital edge computing: nanosatellite constellations as a new class of computer system , Denby & Lucia, ASPLOS’20. Only space system architects don’t call it request-response, they call it a ‘ bent-pipe architecture.’. The old ground-initiated command-and-control style systems aren’t going to work for these finer-grained systems.

Systems 125

Systems Latency Architecture Energy 125

Testsigma

DECEMBER 28, 2019

The testing phase starts with unit testing followed by integration testing, system testing, system integration testing, acceptance testing, and regression testing. System testing- checks end to end flows works as expected. Acceptance testing- to validate the system is developed as per business requirement. Re-execute all.

Testing 53

Testing Hardware Testing Tools Strategy 53

Brendan Gregg

DECEMBER 31, 2018

In summary: - Beginner: run [bcc] tools - Intermediate: develop [bpftrace] tools - Advanced: develop [bcc] tools, contribute to bcc & bpftrace Update: I have a new book about eBPF tracing, published by Addison Wesley: [BPF Performance Tools: Linux System and Application Observability]. What is an example of eBPF tracing?

C++ 52

C++ Virtualization Programming Code 52

DZone

MARCH 7, 2023

When organizations move toward the cloud, their systems also lean toward distributed architectures. One of the most common examples is the adoption of microservices. You need to find the right tools to monitor, track and trace these systems by analyzing outputs through metrics, logs, and traces.

Architecture 312

Architecture Metrics Cloud Monitoring 312

The Netflix TechBlog

APRIL 27, 2023

Engineers want their alerting system to be realtime, reliable, and actionable. A few years ago, we were paged by our SRE team due to our Metrics Alerting System falling behind — critical application health alerts reached engineers 45 minutes late! In other words, false positives are bad but false negatives are the absolute worst!

Storage 288

Storage Cache Metrics Database 288

Brendan Gregg

JULY 15, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. A time where you can pose arbitrary questions of the system, and it can answer them.

Systems 111

Systems Performance Education Technology 111

Dynatrace

AUGUST 10, 2023

Dynatrace business events address these systemic problems, delivering real-time business observability to business and IT teams with the precision and context required to support data-driven decisions and improve business outcomes. In both examples, we used Dynatrace OneAgent® deep payload inspection to capture business data in motion.

Database 227

Database Metrics Retail Analytics 227