Dynatrace

JUNE 13, 2022

The conference’s theme recognizes that IT collaboration, DevSecOps culture, and business resilience are mutually reinforcing the role of DevSecOps teams in addressing application security threats, system downtime, and digital user experience issues. Dynatrace news. But with this speed, agility, and innovation come new challenges.

Open Source 224

Open Source DevOps Java Innovation 224

Percona

NOVEMBER 13, 2023

To maintain competitiveness and operational efficiency — not to mention ensure security and compliance when your database version reaches End of Life (EOL) – it’s crucial to upgrade your database systems from time to time. However, the challenges of DIY upgrades are significant.

Database 96

Database Open Source Best Practices Strategy 96

Testlodge

MARCH 21, 2023

What’s the difference between Black Box and White Box Testing? When looking at black box vs white box testing, the main difference between them is the type of product information the tester will access. Black box testing focuses on the requirements to ensure the system responds as expected, according to the documentation.

Testing 67

Testing Architecture Hardware Code 67

Percona

APRIL 20, 2023

As we approach end of life for MySQL 5.7 It should be noted that while the technical aspects of the upgrade process are beyond the scope of this blog post, it is crucial to create a testing environment to verify the upgrade before proceeding to upgrade your production servers, particularly with MySQL 8.

Open Source 93

Open Source Best Practices Servers Database 93

The Netflix TechBlog

SEPTEMBER 8, 2020

We did this migration without slowing down the usual cadence of our releases, and with particular care to avoid any negative effects to the user experience. We went from an essentially serverless model in a monolithic service, to deploying and maintaining a new microservice that hosted our app backend endpoints.

Latency 233

Latency Cache Java Traffic 233

The Netflix TechBlog

AUGUST 30, 2021

By Benson Ma , Alok Ahuja Introduction At Netflix, hundreds of different device types, from streaming sticks to smart TVs, are tested every day through automation to ensure that new software releases continue to deliver the quality of the Netflix experience that our customers enjoy. In this blog post, we will focus on the latter feature set.

Latency 213

Latency Traffic Transportation Hardware 213

The Netflix TechBlog

AUGUST 28, 2020

by Aditya Mavlankar , Liwei Guo , Anush Moorthy and Anne Aaron Netflix has an ever-expanding collection of titles which customers can enjoy in 4K resolution with a suitable device and subscription plan. Netflix creates premium bitstreams for those titles in addition to the catalog-wide 8-bit stream profiles¹.

Network 330

Network Storage Innovation Mobile 330

Testlodge

JUNE 17, 2020

What is End to End Testing? End to end testing is an important technique used to validate the flow of an application from start to finish. The main objective of this testing is to simulate user behavior and thoroughly test components to identify any integration issues.

Testing 73

Testing Government Database Systems 73

Dynatrace

DECEMBER 2, 2021

Error budgets allow development teams to make informed decisions between new development vs operations and polishing existing software. Error budgets allow development teams to make informed decisions between new development vs operations and polishing existing software. Dynatrace news. But what are SLOs? What are error budgets?

Metrics 193

Metrics Best Practices DevOps Infrastructure 193

The Netflix TechBlog

OCTOBER 26, 2021

Martin Tingley with Wenjing Zheng , Simon Ejdemyr , Stephanie Lane , and Colin McFarland This is the fourth post in a multi-part series on how Netflix uses A/B tests to inform decisions and continuously innovate on our products. Have a look at Part 1 (Decision Making at Netflix), Part 2 (What is an A/B Test?), Need to catch up?

Testing 202

Testing Latency Metrics Innovation 202

Smashing Magazine

JULY 1, 2021

It’s A (Front-End Testing) Trap! Six Common Testing Pitfalls And How To Solve Them. It’s A (Front-End Testing) Trap! Six Common Testing Pitfalls And How To Solve Them. All right, but what does this have to do with testing? Front-End Testing Traps. Integration tests have a broader scope.

Testing 120

Testing Best Practices Code Design 120

Apica

JUNE 22, 2022

Software testing is a huge domain, but it can be broadly categorized into two areas: manual testing and automated testing. Both manual and automated testing offer benefits and disadvantages. But with automated testing, test cases are executed with the assistance of tools, scripts, and software.

Software 52

Software Software Testing Best Practices 52

Dotcom-Montior

NOVEMBER 16, 2021

In one of our previous articles , we discussed what an SRE is, what they do, and some of the common responsibilities that a typical SRE may have, like supporting operations, dealing with trouble tickets and incident response, and general system monitoring and observability. It is understood that no system is 100 percent reliable.

Monitoring 91

Monitoring Google DevOps Engineering 91

Smashing Magazine

MARCH 19, 2021

In the end of last year we’ve noticed that we’ve seen quite a drop in performance in 2020, so we rolled up our sleeves and got to work. Surely you can save quite a bit of vertical space with them, but the cost of it are plenty of accessibility and autofill issues. Large preview ). But the result looked better already. Large preview ).

Mobile 140

Mobile Design Cache Code 140

Testsigma

JULY 7, 2020

When we talk about quality in terms of a software application, we also hear the term ‘Testing’ a lot. But it is not just about Testing or just about Quality, is it? There are more terms like Quality Assurance and Quality Control which again are quite often confused with Testing. . How easy were they to understand?

Testing 54

Testing Retail Processing Google 54

Testsigma

DECEMBER 28, 2019

During the entire SDLC phase, there are various kinds of testing performed at different stages. Each stage of testing has different objectives to fulfil. The testing phase starts with unit testing followed by integration testing, system testing, system integration testing, acceptance testing, and regression testing.

Testing 53

Testing Hardware Testing Tools Strategy 53

Tasktop

AUGUST 26, 2020

In this digital-first climate, software and IT systems can make a significant difference as organizations across most industries become increasingly virtual enterprises. In this digital-first climate, software and IT systems can make a significant difference as organizations across most industries become increasingly virtual enterprises.

Healthcare 64

Healthcare Automotive Logistics Metrics 64

IO River

NOVEMBER 2, 2023

Consider the following table:‍‍Figure: A high-level representation of Dynamic vs. Static contentStatic content refers to content that will not change and can often be served using a CDN. What is Static Content?Static Static content represents fixed web elements like HTML, CSS, JavaScript files, images, and media assets.

Cache 52

Cache Social Media Website Performance Website 52

Tasktop

JUNE 28, 2022

But some organizations expanded their use, using story points to predict when things will be done and to track actual vs. predicted progress. In the early days of story points, developers “really only used the points to decide how much work to take into an iteration,” says Jeffries. it’s inaccurate, and. it’s inaccurate, and. Definitions.

Metrics 52

Metrics Traffic Efficiency Design 52

Brendan Gregg

OCTOBER 8, 2018

Created by Alastair Robertson , bpftrace is an open source high-level tracing front-end that lets you analyze systems in custom ways. eBPF (extended Berkeley Packet Filter) is in the Linux kernel and is the new hotness in systems engineering. It's shaping up to be a DTrace version 2.0: bcc is powerful but laborious to program.

C++ 110

C++ Virtualization Programming Latency 110

MachMetrics

DECEMBER 14, 2019

They found that the average web page takes 87% longer to load on mobile vs. desktop. With another year winding down, it’s time for us to take stock of how our site performance compares to the average page load times for 2020. Source: ThinkWithGoogle. How fast is the average page load time in 2020? seconds on desktop and 2.5

Best Practices 105

Best Practices Speed Mobile Google 105

MachMetrics

JULY 31, 2020

So in this article, we’ll pit Gzip vs Brotli and completely end the debate! As we discussed in our article on how to test your page weight , compression is pretty much standard practice in web performance now, so you absolutely want to make sure you’re taking advantage of it. One such measure is HTTP compression. OK, not really.

Speed 67

Speed Servers Google Tuning 67

IO River

NOVEMBER 2, 2023

Consider the following table:‍‍Figure: A high-level representation of Dynamic vs. Static contentStatic content refers to content that will not change and can often be served using a CDN. Static content represents fixed web elements like HTML, CSS, JavaScript files, images, and media assets.

Cache 52

Cache Social Media Website Performance Website 52

Tasktop

JANUARY 9, 2020

Even better, we can glean valuable end-to-end system data that can be used for higher-level business-centric Flow Metrics , empowering you to generate more business value through your software delivery. . Turning software delivery data into IT and business intelligence is nothing new; it’s the 21st-century gold rush.

Software 59

Software Software Metrics Database 59

The Morning Paper

JANUARY 16, 2020

” 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? .” That’s probably not what the end-user had in mind (though if the set of given examples was exhaustive it would be ok).

Programming 56

Programming Benchmarking Testing Systems 56

Sutter's Mill

JANUARY 25, 2021

On a humorous note, O(N) remains O(N) no matter how hard we try to make it efficient: MyAssert( std::is_sorted( std::execution::par, begin(s), end(s) ) ); // still O(N) arbitrarily expensive, but good try! That’s true whether we’re enabling checking at test time (e.g., b) arbitrarily expensive “A condition that’s expensive?

C++ 45

C++ Programming Cache Testing 45

Testsigma

JANUARY 20, 2020

According to the ISTQB glossary, Regression is “degradation in the quality of a component or system due to a change”. And, Regression Testing is “a type of change-related testing to detect whether defects have been introduced or uncovered in unchanged areas of the software.”. Why do we need Regression Testing?

Testing 53

Testing Strategy DevOps Code 53

The Morning Paper

FEBRUARY 2, 2020

In 1931 Gödel’s Incompleteness Theorem shattered the dream, showing that for any consistent axiomatic system there will always be theorems that cannot be proven within the system. To show that a machine learning model is fair, you need information from outside of the system. How small can we make a TIB?

Metrics 109

Metrics Government Best Practices Design 109

Percona

DECEMBER 20, 2018

I found the comparison of InnoDB vs. MyISAM quite interesting, and I’ll use it in this post. We’ll note how some of the Linux parameter settings used OS tuning may vary according to different system types: physical, virtual or cloud. AMD EPYC Performance Testing… or Don’t get on the wrong side of SystemD. And making lists.

Database 40

Database Tuning Performance AWS 40

Dynatrace

SEPTEMBER 29, 2021

Here are the main differences between Kubernetes vs. Docker, their respective core domains, and some of the challenges involved in both technologies, like observability. Think of containers as the packaging for microservices that separate the content from its environment – the underlying operating system and infrastructure.

Open Source 304

Open Source Traffic DevOps Cloud 304

Abhishek Tiwari

JULY 12, 2018

In a nutshell, a data pipeline is a distributed system. Building data pipelines can offer strategic advantages to the business. It can be used to power new analytics, insight, and product features. Often companies underestimate the necessary effort and cost involved to build and maintain data pipelines.

Latency 63

Latency Analytics Scalability Engineering 63

Brendan Gregg

OCTOBER 7, 2018

Created by Alastair Robertson , bpftrace is an open source high-level tracing front-end that lets you analyze systems in custom ways. eBPF (extended Berkeley Packet Filter) is in the Linux kernel and is the new hotness in systems engineering. It's shaping up to be a DTrace version 2.0: bcc is powerful but laborious to program.

C++ 40

C++ Virtualization Programming Latency 40

Dynatrace

JUNE 27, 2022

These development and testing practices ensure the performance of critical applications and resources to deliver loyalty-building user experiences. However, not all user monitoring systems are created equal. What is real user monitoring? RUM gathers information on a variety of performance metrics. Real user monitoring limitations.

Best Practices 177

Best Practices Monitoring Wireless Traffic 177

Abhishek Tiwari

DECEMBER 27, 2017

overall characteristic of data workload varies (batch vs. stream). overall characteristic of data workload varies (batch vs. stream). The workloads for both test environments ran on apples-to-apples configurations. Kubernetes has emerged as go to container orchestration platform for data engineering teams. Key challenges.

Big Data 63

Big Data Storage Benchmarking Hardware 63

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

Dynatrace

APRIL 29, 2021

CI/CD is a series of interconnected processes that empower developers to build quality software through well-aligned and automated development, testing, delivery, and deployment. When they check in their code, the build management system automatically creates a build and tests it. Dynatrace news.

DevOps 272

DevOps Logistics Code Software 272

Dynatrace

JULY 7, 2022

It’s easy to see why, with benefits such as better testing, easier deployment, faster performance, and more. While microservices vs. monolithic architecture is a common debate, organizations have other considerations, like service-oriented architecture (SOA), tools, monitoring solutions, and potential migration issues. Dynatrace news.

Architecture 203

Architecture Serverless Azure Programming 203