DZone

NOVEMBER 9, 2021

If you start catching bugs early, it will save you tons of time fixing them later.nn> Design reviewnnIt’s a very powerful tool when used in a good way. I really like what one of the smartest people with whom I worked said: “A good design is a design where you can see the code”. There are so many benefits.

Software 245

Software Software Code Energy 245

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. But these are definitely ruled out for enterprise applications due to the complexity in development, maintainability, need for object orientation, and interoperability.

Java 207

Java C++ Benchmarking Programming 207

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

Percona

APRIL 11, 2023

In this blog post, we’ll put ourselves to the test and see if we can identify duplicate and redundant indexes in MySQL. The unique quiz Consider the following MySQL table definition. Additionally, such indexes can make it harder for the query optimizer to choose the most efficient index, as it has more options to consider.

Database 91

Database Open Source Testing Design 91

Dynatrace

SEPTEMBER 28, 2021

While DevOps is often referred to as “agile operations,” the widely quoted definition from Jez Humble, co-author of The DevOps Handbook, calls it “a cross-disciplinary community of practice dedicated to the study of building, evolving, and operating rapidly-changing resilient systems at scale.” Change failure rate.

DevOps 209

DevOps Metrics Traffic Efficiency 209

The Netflix TechBlog

JANUARY 11, 2022

Here we describe the role of Experimentation and A/B testing within the larger Data Science and Engineering organization at Netflix, including how our platform investments support running tests at scale while enabling innovation. What more can we learn from this test, to inform the next one?”

Innovation 243

Innovation Metrics Engineering Testing 243

Testsigma

DECEMBER 19, 2020

But, the catch is that most of them are not following a basic guideline – the Definition of Done for a feature should also include testing and automation of the feature. And just that is the reason why we are laying special emphasis on ‘insprint test automation’. In-sprint test automation simplified!

Testing 56

Testing Strategy Software Software 56

The Netflix TechBlog

FEBRUARY 16, 2021

However, with our rapid product innovation speed, the whole approach experienced significant challenges: Business Complexity: The existing SKU management solution was designed years ago when the engagement rules were simple?—?three Overall, it simplified SKU selections and increased our testing and product delivery confidence.

Mobile 209

Mobile Engineering Infrastructure Scalability 209

The Netflix TechBlog

JANUARY 10, 2024

Since then, the video pipeline has undergone substantial improvements and broad expansions: Starting with Standard Dynamic Range (SDR) at Standard-Definitions , we expanded the encoding pipeline to 4K and High Dynamic Range (HDR) which enabled support for our premium offering. This testing stage took about two weeks.

Processing 229

Processing Media Latency Innovation 229

Percona

JULY 25, 2023

So, given a table_id, how do you get the table schema/definition? After the “data dictionary” (DD) engine and DD cache are initialized on a server, the Storage Engines can ask for a table definition. ibd in the test directory. For example, mysql datadir/test/t1.ibd. ibd2sdi data/test/t1.ibd

Cache 86

Cache Benchmarking Servers Design 86

Percona

MARCH 20, 2023

When designing an architecture, many components need to be considered before deciding on the best solution. In this scenario, it is also crucial to be efficient in resource utilization and scaling with frugality. micro) The tests We will have very simple test cases. micro) The tests We will have very simple test cases.

Games 121

Games Latency Traffic Cache 121

O'Reilly

JULY 11, 2023

If 20% of your time is spent coding, and AI-based code generation makes you 50% more efficient, then you’re really only getting about 10% of your time back. Design—of the software itself, the user interfaces, and the data representation—is certainly not going away, and isn’t something the current generation of AI is very good at.

Programming 98

Programming Code Design Software 98

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

Testsigma

SEPTEMBER 15, 2021

I am sure people at that time had not heard about cross-browser testing. All these changes made one concrete effect on the testing world. They made cross-browser testing essential. What is cross-browser testing? Cross-browser testing is a mantra to be followed by everyone developing a website.

Testing 52

Testing Website Cloud Mobile 52

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

The Netflix TechBlog

SEPTEMBER 10, 2019

Toby Mao , Sri Sri Perangur , Colin McFarland Another day, another custom script to analyze an A/B test. You can look at ABlaze (our centralized A/B testing platform) and take a quick look at how it’s performing. At any point a Netflix user is in many different A/B tests orchestrated through ABlaze. Not at Netflix.

Metrics 215

Metrics Architecture Infrastructure Innovation 215

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

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

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. Working on my PhD, I was using optimization techniques to design radiotherapy fractionation schemes to improve the results of clinical practices. Learning through data is in Netflix’s DNA.

Analytics 207

Analytics C++ Innovation Engineering 207

Percona

SEPTEMBER 1, 2023

Additionally, they enable the implementation of sophisticated business logic within the database, streamlining repetitive tasks and enhancing overall efficiency. Testing and Validation : Thorough testing and validation are essential when working with triggers, especially in a production environment.

Cache 61

Cache Database Games Healthcare 61

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

ACM Sigarch

JULY 17, 2023

One such challenge has been the emergence of marginal defect-driven faults that are difficult to address solely using best practices in manufacturing test and screening. We then discuss defects observed, the role of test and design to address this problem, and identify research opportunities.

Energy 52

Energy Hardware Best Practices Architecture 52

Testsigma

MAY 7, 2020

IBM Big Data and Analytics Hub website cited a case study, where a US insurance company was estimating 15% of their testing efforts to be just test data collection for the backend system and the frontend system. The test data management for the company had become a big problem and had to be solved. What is test data?

Testing 60

Testing Storage Database Processing 60

Dynatrace

NOVEMBER 8, 2021

G2 Research includes a clear definition of APM in its Grid Report for Application Performance Monitoring for Spring 2021. ” APM vendors originally designed their solutions to quickly identify application performance issues in monolithic on-premises apps. User experience diagnostics. Insight into business KPIs.

Artificial Intelligence 238

Artificial Intelligence Monitoring Infrastructure Cloud 238

Smashing Magazine

JUNE 3, 2022

Our focus is on typefaces for reading large amounts of text and information in the most efficient, legible, pleasurable, comprehensible, and effective way possible. How would we test to see if there is any difference between a good sans serif and a serif typeface with users? Measuring The Performance Of Typefaces For Users (Part 1).

Performance 111

Performance Design Best Practices Testing 111

Percona

MAY 15, 2023

This level of distribution will seriously affect the efficiency of the operation, which will increase the response time significantly. MySQL, as well as other RDBMS, are designed to work respecting the model and cannot scale in any way by fragmenting and distributing a schema, so what can be done to scale? This is it.

Traffic 124

Traffic Scalability Database Servers 124

Percona

JULY 6, 2023

In PostgreSQL, there are different ways it can leverage the indexes to produce the most efficient plan. Next is the table definition. then true else false end FROM generate_series(1, 10000000); Now we have our test table with some dummy data so we can practice. So every Index Scan access is two read operations.

Best Practices 90

Best Practices Tuning Database Testing 90

Smashing Magazine

JULY 18, 2022

If you think that static rendering is limited to generic, public content that is the same for every user of your website, you should definitely read this article. There are many use cases: personalization, internationalization, theming, multi-tenancy, A/B tests…. We don’t rely on client-side JavaScript anymore. More after jump!

Cache 115

Cache Website Energy Servers 115

Percona

JANUARY 19, 2023

In this blog post, we will review key topics to consider for managing large datasets more efficiently in MySQL. Redundant indexes: It is known that accessing rows by fetching an index is more efficient than through a table scan in most cases. 1 mysql mysql 592K Dec 30 02:48 tb1.ibd ibd -rw-r --. 1 mysql mysql 464K Dec 30 02:48 tb2.ibd

Open Source 88

Open Source Storage Database Big Data 88

Smashing Magazine

JUNE 10, 2022

Testing it (subjectively or objectively) also depends on the context — which can be very tricky. We saw how important it is to keep the typographic design parameters and variables the same to get a more accurate result while testing different typefaces. Precise numerical score based on a standard test. Don’t worry!

Performance 95

Performance Design Speed Testing 95

Percona

JUNE 7, 2023

Triggers on Data Definition Language (DDL) events are a powerful feature of PostgreSQL that allows you to perform additional actions in response to changes to the database schema. With event-based triggers, one can build more robust and automated database systems that can help improve the efficiency of the data.

Database 75

Database Best Practices Open Source C++ 75

High Scalability

OCTOBER 24, 2022

Each cloud-native evolution is about using the hardware more efficiently. I don't know, but high switching costs isn't a proper test for regulating an industry. There's a huge short-term and long-term efficiency of services that depends on the successful coordination of cloud services and infrastructure.

Cloud 187

Cloud Hardware Infrastructure Innovation 187

Percona

SEPTEMBER 27, 2023

DEFAULT ‘on’::text Because we specified ‘2’ for premake in the create_parent function, you can observe that two partitions ahead have been created, as shown in the table definition below. schema.tablename p_control text You should partition the column, either integer or time-based.

Storage 100

Storage Open Source Database Efficiency 100

Highly Scalable

AUGUST 14, 2012

One of the challenges we faced was very slow automatic tests — full unit/integration test suite takes more than 2 hours for Hadoop core and more than 9 hours for Apache Pig. Although there are different ways to alleviate this problem (divide tests into suites, optimize tests by tweaking timeouts and sleeps, etc.),

Speed 100

Speed Testing Java Lambda 100

Randon ASCII

OCTOBER 4, 2020

First, a bit of operating-system design context. CPU power efficiency is strongly tied to how long the CPU can stay asleep ( 8+ ms is apparently a good number ), and random wakeups work against that. If multiple threads can synchronize or coalesce their timer waits then the system becomes more power efficient. Implications.

Programming 145

Programming Games Hardware Operating System 145

Sutter's Mill

MAY 1, 2023

This update covers Acknowledgments, and highlights of what’s new in the compiler and language since last time, including: simple, mathematically safe, and efficient chained comparisons named break and continue “simple and safe” starts with. For example, see the test case pure2-types-order-independence-and-nesting.cpp2.

C++ 97

C++ Virtualization Lambda Code 97

Smashing Magazine

SEPTEMBER 16, 2021

On design systems, CSS/JS and UX. To work on web quality assurance, we also had to work on another part of the quality definition: the inherent characteristics of an object. This set of “rules to create rules” is a sanity test to keep only the rules that can be accepted and used by the community. Jump to online workshops ?.

Automotive 139

Automotive Website Social Media Design 139