Alex Podelko

JUNE 12, 2019

My post Good Times for Load Testing was published in 2014. It is difficult to believe that 5 years passed… Are times still good for load testing? If we speak about commercial load testing tools, we see rather a shrinking market and not too much innovation recently. Well, yes and no. I am not so upbeat as I was in 2014.

Testing 243

Testing Open Source Testing Tools Performance Testing 243

DZone

MAY 22, 2019

In the series, we will define the basic terms that every developer needs to know about testing. It will further increase the testing capabilities of each member. In this part, we will talk about the different testing types. Later, this will improve communication and reviews quality.

Testing 100

Testing Development Education Infrastructure 100

Dynatrace

MARCH 3, 2020

For software engineering teams, this demand means not only delivering new features faster but ensuring quality, performance, and scalability too. One way to apply improvements is transforming the way application performance engineering and testing is done. Performance-as-a-self-service . Try it today using Keptn .

Performance 244

Performance Education Innovation Software Architecture 244

Apica

NOVEMBER 15, 2019

With the continued growth of applications being used in and out of an organization, getting a firm grasp on the performance of these devices and its impact on your IT environment is important. With this growth and added complexity, how are your legacy performance testing solutions keeping up?

Performance Testing 40

Performance Testing Testing Performance Games 40

Alex Podelko

AUGUST 24, 2017

There was a rather heated discussion around A Context-Driven Approach to Automation in Testing by James Bach and Michael Bolton (referred below as the article and the authors – other references would be explicit). and Open letter to “CDT Test Automation” reviewers as well as in many other different places.

Testing 140

Testing Performance Performance Testing Testing Tools 140

Speed Curve

JUNE 18, 2019

At some point you'll be given permission to "focus on performance" and after many more hours, the website will be fast again. What if there was a way that you could prevent performance from degrading in the first place? Some sort of performance gateway that only allows changes to production code if they meet performance requirements?

Performance Testing 49

Performance Testing Testing Performance Cache 49

DZone

OCTOBER 28, 2019

Learn how to design your tests. In this blog, we overview what is and how to perform test design (and, which is at least as important, how not to perform it). Going forward, a test basis is ‘the body of knowledge used as the basis for test analysis and design’.

Design 100

Design Testing Performance Testing Performance 100

CSS - Tricks

OCTOBER 10, 2019

WebPageTest is an online tool and an Open Source project to help developers audit the performance of their websites. As a Web Performance Evangelist at Theodo , I use it every single day. I am constantly amazed at what it offers to the web development community at large and the web performance folks particularly — for free.

Performance Testing 51

Performance Testing Testing Performance Open Source 51

DZone

JULY 20, 2020

Taking part in testing more than 50 projects we saw how tests can give confidence in the code base, begin to save time for the entire development team and help to comply with business requirements. For those who come from other ecosystems, let us first explain what the term “functional tests” means in Symfony.

Testing 178

Testing Code Development Performance Testing 178

Dynatrace

JULY 16, 2021

Many of our users are performance engineers using Cloud Automation Quality Gates to automate the analysis of their performance and load tests – saving hours of analysis time for each test they run. You run load tests monitored with Dynatrace and you want to automatically validate to eliminate the manual analysis effort.

DevOps 245

DevOps Open Source Cloud Azure 245

Alex Podelko

NOVEMBER 21, 2018

From load testing to DevOps. It appears that Apache JMeter became the most popular load testing tool. In 2014, I was preparing a presentation about load testing tools and criteria for their selection. Load testing is an important part of the performance engineering process.

DevOps 113

DevOps Testing Testing Tools Performance Testing 113

Dynatrace

MAY 28, 2020

In this blog, I will be going through a step-by-step guide on how to automate SRE-driven performance engineering. Keptn uses SLO definitions to automatically configure Dynatrace or Prometheus alerting rules. Step-by-step guide: SRE-driven performance analysis with Dynatrace. This is what this blog is all about.

Engineering 193

Engineering Performance Metrics Best Practices 193

Alex Podelko

DECEMBER 19, 2019

So you need to understand what is going on there – and Debbie is definitely an authority in that area. ITIL Version 4 Capacity and Performance Management in an Agile Container World by Chris Molloy, IBM. – System performance management is an important topic – and James is going to share a practical method for it. .

Efficiency 100

Efficiency Artificial Intelligence Scalability Performance 100

CSS - Tricks

JUNE 1, 2021

Testing is one of those things that you either get super excited about or kinda close your eyes and walk away. Whichever camp you fall into, I’m here to tell you that front-end testing is for everyone. In fact, there are many types of tests and perhaps that is where some of the initial fear or confusion comes from. Integration.

Testing 95

Testing Performance Testing Website Code 95

Dynatrace

SEPTEMBER 4, 2020

First, let me take a moment to thank Klaus Enzenhofer, Technical Product Manager at Dynatrace, who challenged me to make SLI & SLO definition simpler so that it is more appealing to a non-deep technical user base. For that Keptn already offers integrations with JMeter and Neoload with other testing tool integrations in the works.

DevOps 247

DevOps Metrics Innovation Azure 247

Apica

DECEMBER 12, 2022

In our previous post, we established user journeys as the essential goal of software testing efforts. If that is true, what is stopping organizations from truly testing user journeys? Variability and complexity. But let’s not just concede failure to complexity again. Let’s move past it. Getting a grip on user intentions.

Testing 52

Testing DevOps Monitoring Media 52

Testsigma

JANUARY 29, 2021

Globally, consumers are preferring their mobile phones for performing activities (e.g. Mobile-first design should be accompanied with mobile website testing for delivering a flawless web experience to your target audience. Different screen resolutions and viewport sizes add another layer of complexity to mobile website testing.

Website 98

Website Mobile Testing Strategy 98

Dynatrace

DECEMBER 6, 2022

But, manual steps — such as reviewing test results and addressing production issues resulting from performance, resiliency, security, or functional issues — often hinder these efforts. As two examples, Roman Ferstl of Triscon noted that observability-driven DevOps has helped clients achieve 15x more tests with 10x more apps tested.

DevOps 221

DevOps Metrics Engineering Speed 221

Testsigma

FEBRUARY 3, 2021

Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? To answer all these questions we need exhaustive mobile testing in place. Let us have a look at the most popular types of mobile testing for applications and hardware. Functional Testing. Usability Testing.

Mobile 82

Mobile Testing Hardware C++ 82

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

Testsigma

APRIL 23, 2021

With the increased usage of smartphones in recent years, enterprises and the software industry now have to cater their applications to mobile devices for web testing in addition to desktops. Predominantly, there are two sets of tools that can cater to all your testing requirements when it comes to mobile web testing.

Mobile 52

Mobile Testing Testing Tools Programming 52

Dynatrace

SEPTEMBER 8, 2020

Last week, I watched the Mastering Chaos Engineering Performance Clinic from my colleague Andi Grabner and Ana Margarita Medina, Chaos Engineer from Gremlin which could have totally changed this opinion of the watchers. In the Performance Clinic, Ana also mentioned it can be used to train engineers in terms of training failure situations.

Engineering 141

Engineering Cloud Monitoring Testing 141

Testsigma

FEBRUARY 6, 2021

That’s not truly testing. The above quote lets us understand the power of Manual Testing. However, we cannot always test our mobile applications manually, there are scenarios which specifically require automated mobile application testing. Variations while performing Mobile Application Testing.

Mobile 52

Mobile Testing Games Operating System 52

Rigor

SEPTEMBER 17, 2019

Reading time 8 min Rigor’s “The Best in Performance” interview series offers the chance to listen in on conversations with web performance industry experts, thought leaders, and technologists as they discuss current trends, challenges, and lessons that impact the performance and APM space today. Retrospectives.

Performance 68

Performance Traffic Website Performance Testing 68

Testsigma

DECEMBER 27, 2019

We do ‘ Cross Browser Testing ’ to meet the end user expectations across different web browsers. If your application is compatible enough, it will definitely help in obtaining a good business. In this article, we will see how we do cross browser testing in 2 ways: manual browser testing and automated browser testing.

Testing 54

Testing Testing Tools Operating System Mobile 54

Scalegrid

JANUARY 20, 2020

This extra cluster, known as a follower cluster, can be leveraged for multiple use cases, including for analyzing, optimizing and testing your application performance for MongoDB , MySQL and PostgreSQL. The ‘follower’ system is writable, so you can use it as a staging environment to test your application changes. Data Analytics.

Analytics 185

Analytics Storage Database Systems 185

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.

Innovation 194

Innovation Monitoring Metrics Strategy 194

Testsigma

SEPTEMBER 15, 2020

Testing, being the part of the software arena, is also advancing to great new heights. From manual testing to record-and-playback tools, then to automation testing and now to codeless test automation, we have traversed a long path. What is codeless test automation ? Codeless test automation tools.

Testing 59

Testing Testing Tools Code DevOps 59

SQL Performance

APRIL 13, 2022

Finally, I’ll compare the performance of the different solutions. 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.

C++ 136

C++ Strategy Testing Servers 136

CSS - Tricks

JUNE 25, 2020

Performance metrics are a big one. When you’re doing performance testing, much of it is what you would call synthetic testing. Synthetic information like this enters my mind when spending tons of time on performance. ” And the performance tools we use report this kind of data to us readily.

Analytics 93

Analytics Google Metrics Performance Testing 93

Dynatrace

JULY 9, 2020

Gone are the days for Christian manually looking at dashboards and metrics after a new build got deployed into a testing or acceptance environment: Integrating Keptn into your existing DevOps tools such as GitLab is just a matter of an API call. Automate Performance aka Performance as a Self-Service: Watch SRE-Driven Performance Engineering.

Cloud 189

Cloud DevOps Azure Architecture 189

SQL Performance

FEBRUARY 10, 2021

I’ll do my testing in tempdb, enabling IO and TIME statistics: SET NOCOUNT ON ; USE tempdb ; SET STATISTICS IO , TIME ON ; The fastest solution from last month applies a join with a dummy table that has a columnstore index to get batch processing. Fastest solution so far. Here’s the code to create the dummy table: DROP TABLE IF EXISTS dbo.

C++ 124

C++ Servers Testing Code 124

SQL Performance

APRIL 13, 2020

Step 6: Testing. At its simplest, testing an index means taking the problematic query and capturing the plan and performance data (duration, IO, CPU, etc.), If performance improves, you're good to go! To begin with, I often have at least two variations of an index that I want to test, sometimes more.

Tuning 137

Tuning Cache Metrics Testing 137

Brendan Gregg

FEBRUARY 9, 2018

The recently revealed [Meltdown and Spectre] bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Much of my testing was on Linux 4.14.11 and 4.14.12 a month ago, before we deployed in production.

Performance 75

Performance Benchmarking Cache Tuning 75

Speed Curve

MARCH 7, 2022

If you've been working in the performance space for a while and you hear me start to talk about page growth, I'd forgive you if you started running away. ;). HTML – Typically the smallest resource on the page, HTML's performance risk is usually negligible. More stylesheets equal more risk of performance degradation.

Mobile 145

Mobile Benchmarking Google Metrics 145

SQL Performance

DECEMBER 9, 2020

In a comment to my article, Marcos Kirchner mentioned that he tested my solution with varying table value constructor cardinalities, and got different execution times for the different cardinalities. Testing different base table cardinalities is just one dimension to try. What’s the best performing solution that you can conjure?

C++ 114

C++ Servers Testing Processing 114

Dynatrace

JUNE 18, 2019

“All configuration and pipeline” definition itself is designed to live in source control. While not intended to be a step-by-step tutorial around building a Concourse pipeline, below is an example pipeline that unit tests, builds, and deploys a sample Java application to Cloud Foundry.

Architecture 127

Architecture DevOps Open Source Java 127