Dynatrace

MARCH 3, 2020

One way to apply improvements is transforming the way application performance engineering and testing is done. This involves new software delivery models, adapting to complex software architectures, and embracing automation for analysis and testing. Here is the definition of this model: ?. Performance-as-a-self-service .

Performance 237

Performance Education Innovation Software Architecture 237

Testsigma

MAY 14, 2021

Cloud-based testing has become quite integral these days. Most businesses have already done the shift towards cloud-based testing. The traditional testing that was done on the software installed on local servers is now slowly fading away. Cloud-based testing comprises cloud-based test automation as well.

Cloud 67

Cloud Testing Testing Tools Internet 67

The Netflix TechBlog

OCTOBER 7, 2021

At Netflix, we have significant investments in ensuring new versions of our applications are well tested. However, Netflix is available for streaming on thousands of types of devices and it is powered by hundreds of micro-services which are deployed independently, making it extremely challenging to comprehensively test internally.

Metrics 197

Metrics Mobile Testing Strategy 197

Dynatrace

DECEMBER 10, 2021

For example, deploying, testing, validating, and releasing software are shared tasks across teams that differ mainly in the underlying tooling used for executing these tasks. Dynatrace Cloud Automation now enables you to implement process definitions that are tool agnostic. Execute the application lifecycle.

DevOps 177

DevOps Cloud Testing Tools Strategy 177

Testsigma

DECEMBER 19, 2020

Regression testing is one of the most critical aspects of quality assurance. It goes without saying that adopting effective regression testing strategies can save development teams hundreds of hours of debugging. Before taking up the task of regression testing, the team needs to define the test framework that they plan to use.

Testing 94

Testing Testing Tools Code Cloud 94

Testsigma

MARCH 2, 2022

No matter how much you test, a few bugs can still slip through the testing phase & reach production. If you missed testing something, it’s totally fine to admit the oversight and take corrective actions. Exhaustive testing is impossible with limited time, resources and budget. Don’t Panic. Or during code review?

Education 105

Education Strategy Traffic Testing 105

Percona

NOVEMBER 2, 2023

Powerful change streams and support for data definition language operations. Safeguarding your data, testing in a controlled environment, and having rollback plans are all part of this stage. Introduction of clustered collections for optimized analytical queries. In MongoDB 6.x: Auditing improvements with compression and encryption.

Best Practices 85

Best Practices Hardware Tuning Scalability 85

Testsigma

MAY 6, 2021

When we are talking about web testing, we mean web applications and website testing in web browsers. We achieve this by performing web testing on mobile and desktop browser programs. . Why use automated testing tools for testing websites? Definitely yes we can! percent of the global population.

Mobile 52

Mobile Testing Website Internet 52

The Netflix TechBlog

NOVEMBER 13, 2023

One of the fundamental issues encountered during the annotation of our manually-labeled TVSM-test set, was the definition of music and speech. Applying a random sampling strategy, each training sample is a 20 second segment obtained by randomly selecting an audio file and corresponding starting timecode offset on the fly.

Architecture 224

Architecture Energy Benchmarking Processing 224

Dynatrace

AUGUST 28, 2020

To summarize the textbook definition, which originates from engineering and control theory, observability is essentially the ability to understand what is happening inside of a system from the knowledge of its external outputs. So, what do I do?

IoT 159

IoT Infrastructure Monitoring Innovation 159

Smashing Magazine

AUGUST 2, 2021

Refactoring CSS: Strategy, Regression Testing And Maintenance (Part 2). Refactoring CSS: Strategy, Regression Testing And Maintenance (Part 2). These issues and challenges are specific to the codebase and can make the refactoring process or testing difficult. It is also easier to test and verify.

Strategy 134

Strategy Testing Best Practices Code 134

SQL Performance

APRIL 13, 2022

Note the definition of the primary key constraint based on the composite key (grp, ord), which results in a clustered index based on the same key. To test the performance of your solution, you’ll need to populate the table with larger volumes of sample data. My test machine has four logical CPUs, running SQL Server ® 2019 Enterprise.

C++ 136

C++ Strategy Testing Servers 136

Dynatrace

MAY 3, 2021

The most forward-thinking teams want to take a “shift-left” approach to their security practices, engaging security practices and testing as early as possible in the software development life cycle.

Code 155

Code DevOps Speed Government 155

Dynatrace

NOVEMBER 1, 2022

All these definitions are distinct and important. This measurement includes time spent testing until the service is fully functional again. This includes time your team spends investigating, repairing, and testing. This pressure escalates the stakes on MTTR and other incident management metrics. So, what is MTTR?

DevOps 202

DevOps Artificial Intelligence Metrics Network 202

Dynatrace

JUNE 11, 2019

Ideally, QA teams use production data for better test definitions (based on real use cases) and better workload modeling for load testing (based on real-world load behavior). Organizations that don’t look at production data may test the wrong things and simulate the wrong performance tests. This is good news.

Innovation 188

Innovation Monitoring Metrics Strategy 188

The Netflix TechBlog

MARCH 2, 2021

We use A/B tests to introduce new product features, such as our daily Top 10 row that help our members discover their next favorite show. My academic credentials definitely helped on the technical side. New initiatives and strategy bets are captured in memos for anyone in the company to read and engage in discourse.

Analytics 207

Analytics Innovation C++ Engineering 207

The Agile Manager

OCTOBER 31, 2022

A few months ago I was asked to review a product strategy a team had put together. I had to give them the unfortunate feedback that what they had created was a document with a lot of words, but those words did not articulate a strategy. There is a formula for articulating strategy. The actions must be, well, actionable.

Strategy 89

Strategy Retail Operating System Programming 89

Dynatrace

JANUARY 13, 2021

Configurations such as dashboards, alerting rules and Service Level Objective definitions are left to be created separately, and often manually. We might have a synthetic test template for a particular application which needs to be deployed in dev, staging and production. and some sample configurations used for integration testing.

Open Source 138

Open Source Code Monitoring Azure 138

Tasktop

SEPTEMBER 3, 2020

It is very tempting to divert your attention (and business strategy) to close a new sparkling deal that has come in. However, soon enough your Sales team brings in deals that look good on paper but do not fit the long term strategy of the business, putting your roadmap in jeopardy. Pros : Clear themes for short term results.

C++ 59

C++ Innovation Strategy Mobile 59

VoltDB

MARCH 13, 2024

People generally use the ‘nines’ system to describe availability, with the two most common scenarios being ‘three nines’ and ‘five nines’: With this definition set, let’s now take a quick look at how many companies mess up high availability before they’ve even started trying to achieve it. Get executive “buy-in” This is rule one for a reason.

Availability 52

Availability Latency DevOps Systems 52

Strategic Tech

NOVEMBER 2, 2021

Whether your goal is to get better at ddd or DDD, you should definitely read the book. Just like writing unit tests is a skill, ddd is also a skill that we should work on and try to get better at. In particular, the stories of Evans doing ddd, and how he thinks are epic. What is domain-driven design (ddd)?

Design 52

Design Strategy Architecture Technology 52

Testsigma

DECEMBER 23, 2021

The Complete Software Tester: Concepts, Skills, and Strategies for High-Quality Testing by Kristin Jackvony. Agile Testing: A Practical Guide for Testers and Agile Teams by Lisa Crispin and Janet Gregory. A Practitioner’s Guide to Software Test Design by Lee Copeland. A new level of Testing by Huib Schoots.

Software 52

Software Software Java Testing 52

Tech News Gather

NOVEMBER 21, 2022

Copyrighting, patenting, signing NDA, and trademarking, are some of the strategies to protect the application idea. The only way to get an answer to the question is to test the idea out in real-world challenges. All in all, you need to protect your app idea before your competitors do. Author Bio .

Development 52

Development Mobile Strategy Programming 52

The Morning Paper

FEBRUARY 2, 2020

These are both utility based definitions. As opposed to utility-based definitions, the dominant legal doctrine of discrimination focuses on a decision maker’s motivations. Three popular algorithmic definitions of fairness are anti-classification , classification parity , and calibration. Algorithmic models of fairness.

Metrics 109

Metrics Government Best Practices Design 109

SQL Performance

MARCH 10, 2021

I’ll do my testing in tempdb, enabling time statistics: SET NOCOUNT ON ; USE tempdb ; SET STATISTICS TIME ON ; Earlier ideas. BatchMe ( col1 INT NOT NULL , INDEX idx_cs CLUSTERED COLUMNSTORE ) ; And here’s the code with the definition of the dbo.GetNumsAlanCharlieItzikBatch function: CREATE OR ALTER FUNCTION dbo. BatchMe ; GO.

C++ 134

C++ Testing Code Servers 134

Testsigma

SEPTEMBER 2, 2021

Automated web testing is not a new concept today. With advancements in web development technologies and how complex web codes are written today, web testing was bound to walk this way sooner or later. Factors affecting ROI in automated web testing. First of all, we need people that can perform automated web testing.

Strategy 71

Strategy Testing Cloud Virtualization 71

Smashing Magazine

SEPTEMBER 2, 2021

Flexbox Defense is a play on the ‘tower defense’ strategy game genre that teaches you flexbox through 12 challenges where you have to use flexbox syntax to stop incoming enemies from getting past your defenses. CSS Selectors Cheatsheet is an interactive exercise to test your understanding of CSS selectors. Flexbox Defense.

Development 145

Development Games Education Programming 145

Alex Podelko

SEPTEMBER 8, 2020

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. While Federico definitely has good points there, there is some truth in these myths too. I remember really liking the technical side of these tests. What load testing tools did you use?

Open Source 223

Open Source Performance Testing Testing Performance 223

Sutter's Mill

JANUARY 11, 2021

assert The C-style assert is a macro that is evaluated at execution time (hopefully enabled at least during your unit testing! A failed assertion means that we checked and found the tested variables to be in an unexpected state, which means at least that part of the program’s state is corrupt. see question 4) if NDEBUG is not set.

C++ 66

C++ Programming Code Testing 66

The Netflix TechBlog

JUNE 13, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience. This is where large-scale system migrations come into play.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

JUNE 14, 2023

The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries. To launch Phase 1 safely, we used AB Testing. To launch Phase 2 safely, we used Replay Testing and Sticky Canaries. We knew we could test the same query with the same inputs and consistently expect the same results.

Traffic 353

Traffic Latency Cache Metrics 353

O'Reilly

JUNE 27, 2023

Not impossible, but definitely tougher. ) Why not take the extra time to test for problems? By assessing the risks and proactively developing mitigation strategies, you can reduce the chances that attackers will convince your chatbot to give them bragging rights. I emphasize the term “reduce” here.

Social Media 92

Social Media Media Website Database 92

Rigor

DECEMBER 19, 2019

Let’s start with a brief definition of two of the more prominent web performance methodologies: synthetic monitoring and real user monitoring (also known as RUM). Test at Every Stage of Development. AB Test the Performance Impact of Third Parties. AB Test the Performance Impact of Third Parties. About Rigor.

Monitoring 40

Monitoring Benchmarking Website Traffic 40

Particular Software

JUNE 3, 2019

We now live in an age when it's possible to stream high definition TV, and yet we are not satisfied. We become annoyed when we run a speed test on our broadband provider only to find that, on a good day, we are getting maybe half of the rated download speed we are paying for, and the upload speed is likely much worse.

Latency 40

Latency Speed Network Strategy 40

The Agile Manager

APRIL 30, 2019

Although In Search of Excellence presented an empirical case for a correlation between economic success and excellence in operations, their case studies didn't stand the test of time as a number of their exemplar companies suffered problems within a few years of the publication of the book. It assumes that goals are all you need.

Strategy 40

Strategy Government Design Testing 40

KeyCDN

SEPTEMBER 12, 2019

Most of you have probably seen the following Google PageSpeed Insights optimization suggestion at one point or another when running a speed test: By compressing and adjusting the size of … you can save 14.2 Dawn ran a test with the word “plinkyploppitypippity” in the title attribute field and left the alt text empty.

Social Media 106

Social Media Media Google Website 106

Rigor

SEPTEMBER 17, 2019

He goes into detail covering the steps that need to be taken to ensure that a website or application is prepared for an influx of traffic, from scoping and testing to setting expectations and creating a contingency plan. Performance testing. Seasonal readiness testing involves both the front and back end. Practical planning.

Performance 68

Performance Traffic Website Performance Testing 68