Dynatrace

SEPTEMBER 22, 2021

and, just like other software or hardware products, DNA runs internal testing groups where employees can beta test new devices and give feedback so that any annoying usability issues are addressed before hitting the mass market. Stack traces in the context of the user action shows developers what code behaved unexpected and why.

Mobile 185

Mobile Media Hardware Network 185

Dynatrace

MAY 14, 2020

Dynatrace has been building automated distributed application instrumentation—without the need to modify source code—for over 15 years already. Dynatrace PurePath technology captures and analyzes transactions end to end across every tier of your application technology stack, from the browser all the way down to the code and database level.

Processing 150

Processing Hardware Traffic Storage 150

Testsigma

SEPTEMBER 9, 2021

Cloud testing, in simple terms, means testing software applications using the resources provided by the cloud. Resources can be any element i.e., hardware, software, or infrastructure which are necessary to carry out tests. Cloud testing helps an organization gain competitiveness by reducing the cost of testing.

Cloud 59

Cloud Testing Mobile Scalability 59

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 Cloud 213

Testsigma

JULY 25, 2020

Continuous Testing is the testing strategy to fast-track the testing required for achieving rapid software development using Agile and DevOps methodologies. What is Continuous Testing? Continuous Testing is the process of testing at all stages of software development – one after the other – without any human intervention.

Testing 55

Testing DevOps Performance Testing Infrastructure 55

The Netflix TechBlog

NOVEMBER 9, 2022

A quick canary test was free of errors and showed lower latency, which is expected given that our standard canary setup routes an equal amount of traffic to both the baseline running on 4xl and the canary on 12xl. Armed with this knowledge, we used Intel vTune to run microarchitecture profiling.

Hardware 363

Hardware Cache Performance Latency 363

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

Dynatrace

OCTOBER 28, 2021

Testing for mishaps you can predict is essential. Chaos engineering is a method of testing distributed software that deliberately introduces failure and faulty scenarios to verify its resilience in the face of random disruptions. Practitioners subject software to a controlled, simulated crisis to test for unstable behavior.

Engineering 218

Engineering Entertainment Cloud Infrastructure 218

Dynatrace

JUNE 15, 2023

Cloud application security practices enable organizations to follow secure coding practices, monitor and log activities for detection and response, comply with regulations, and develop incident response plans. Unfortunately, traditional security testing and software composition analysis requires significant time to return results.

Cloud 171

Cloud Open Source Architecture Monitoring 171

Testlodge

MARCH 28, 2018

This is where recovery testing comes in. What is Recovery Testing? Recovery testing is when you force the failure of your software in order to verify that recovering from the failure is both possible and properly performed. The Importance of Recovery Testing. How is recovery testing conducted? Conclusion.

Testing 50

Testing Airlines Hardware Software 50

The Netflix TechBlog

APRIL 17, 2019

264/AVC, currently, the most ubiquitous video compression standard supported by modern devices, often in hardware. Reference software serves as the basis for standard development, a framework, in which the performance of video coding tools is evaluated. The success was repeated by H.264/AVC,

Open Source 166

Open Source Scalability Speed Efficiency 166

Dynatrace

SEPTEMBER 30, 2021

It requires purchasing, powering, and configuring physical hardware, training and retaining the staff capable of servicing and securing the machines, operating a data center, and so on. They need enough hardware to serve their anticipated volume and keep things running smoothly without buying too much or too little. Reduced cost.

Cloud 161

Cloud Traffic Best Practices Strategy 161

Sutter's Mill

NOVEMBER 11, 2023

0] would be easy to call “obvious” in hindsight, but it’s far from the only option and this paper’s analysis shows a thorough consideration of alternatives, including their effects on existing and future code and future language evolution. Seeing only the end result of T.[0] This is that library. You can check out the diff in these | commits.

C++ 115

C++ Lambda Network Programming 115

Percona

JUNE 30, 2023

It simplifies the development and brings more contribution friendliness to the code, resulting in better potential for growing the community. This can be useful if you plan to migrate to new hardware or need to test the new topology. What is better in version 2 compared to version 1? Will Percona still support v1?

Availability 92

Availability Open Source Azure Hardware 92

Testsigma

JANUARY 30, 2021

About two decades ago, testing was only limited to the desktop. With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing.

Mobile 52

Mobile Testing Website Internet 52

HammerDB

OCTOBER 23, 2023

Also, note in passing that we include a COMMIT statement in this procedure because one is included in the example code in TPC-C specification. Stored Procedures and Client SQL comparison To test the stored procedures and client implementations, we ran both workloads against a system equipped with Intel Xeon 8280L. On MySQL, we saw a 1.5X

Benchmarking 62

Benchmarking Database Network C++ 62

Dynatrace

MARCH 23, 2020

A decade ago, while working for a large hosting provider, I led a team that was thrown into turmoil over the purchasing of server and storage hardware in preparation for a multi-million dollar super-bowl ad campaign. Take a look at the GKE cluster I instrumented in Las Vegas to see how tracing works without any special code commits.

Google 192

Google Engineering Metrics Hardware 192

The Morning Paper

MAY 27, 2019

Last week we saw the benefits of rethinking memory and pointer models at the hardware level when it came to object storage and compression ( Zippads ). The protections are hardware implemented and cannot be forged in software. code is not given access to excessive capabilities. ASPLOS’19. CHERI implementation.

C++ 61

C++ Hardware Virtualization Benchmarking 61

Scalegrid

JANUARY 25, 2024

<code> 127.0.0.1:6379> cmdstat_command:calls=796,usec=8578,usec_per_call=10.78 </code> Redis groups its various commands into connection, server, cluster, generic, etc. . <code> <code> 127.0.0.1:6379> <code>127.0.0.1:6379> 6379> info stats # Stats.

Metrics 130

Metrics Monitoring Latency Cache 130

Testlodge

DECEMBER 4, 2017

Load testing is a form of non-functional testing that is carried out to understand the behaviour of an application under a specific user load. Why Load Testing? On that day, they realized the importance of testing for potential load on the server. Yes, loading testing is mighty important! Load Testing Parameters.

Testing 51

Testing Testing Tools Servers Network 51

All Things Distributed

JUNE 25, 2015

With a few lines of code, developers can easily integrate existing web services with Alexa or, in just a few hours, they can build entirely new experiences designed around voice. All of the code runs in the cloud — nothing is installed on any user device. AWS Lambda supports code written in Node.js (JavaScript) and Java.

Lambda 166

Lambda Development AWS Innovation 166

Smashing Magazine

OCTOBER 27, 2021

The eye-tracking methodology can be extremely valuable for usability tests since it records the journey without interfering with the users’ natural behavior. Imagine, for example, that you test a prototype but discover that users are not interacting with the interface how they are supposed to. Mariana Macedo. 2021-10-27T10:00:00+00:00.

Mobile 114

Mobile Website Hardware Social Media 114

Percona

JUNE 20, 2023

Here, memory is divided into equal sizes of partitions where the code of a program resides. Instead of fixed-size pages, it creates different sizes of segments that are based on program code. ” Below is a line of code that results in a segmentation fault on PostgreSQL 13.4 A detailed description of these concepts is below.

Programming 83

Programming C++ Database Virtualization 83

The Morning Paper

OCTOBER 1, 2020

For calculators, spreadsheets, and many other applications we don’t need the raw performance of hardware floating point operations. The scheme above gives arbitrary precision, but doesn’t let us test for equality. All-in, the implementation is around 6,000 lines of code. Deciding equality.

Java 143

Java Hardware Open Source Testing 143

Smashing Magazine

JUNE 18, 2020

More specifically, we’re going to talk about storage and UI differences, which are the ones that most often cause confusion to developers when writing Flutter code that they want to be cross-platform. Running Different Code On Different Platforms. In this article, we’re going to see some of those differences and how to overcome them.

Storage 94

Storage Mobile Website Java 94

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. From this data, it can be argued that HammerDB is a better candidate to test MySQL database engine and CPU performance. to MySQL 8.0.32, different test scenarios can give very different conclusions.

Performance 54

Performance Benchmarking Cache Storage 54

CSS - Tricks

JULY 25, 2019

During performance tests, Lighthouse records many metrics focused on what a user sees and experiences. Where possible, remove unused JavaScript code or focus on only delivering a script that will be run by the current page. This approach is known as code splitting and is extremely effective in improving TTI.

Google 71

Google Engineering Speed Mobile 71

Smashing Magazine

AUGUST 3, 2021

Different browsers running on different platforms and hardware, respecting our user preferences and browsing modes (Safari Reader/ assistive technologies), being served to geo-locations with varying latency and intermittency increase the likeness of something not working as intended. Pessimism over optimism favours resilience.

Network 145

Network Engineering Availability Monitoring 145

The Morning Paper

JANUARY 30, 2020

Wasm functions contain native codes compiled at runtime, so they should not be directly migrated as normal JavaScript objects. These use their regression models to estimate processing time (which will depend on the hardware available, current load, etc.). The MWW System prototype is implemented in Chrome for the browser, and Node.js

Mobile 104

Mobile Cloud Latency Games 104

KeyCDN

JANUARY 23, 2020

A wide range of users with different operating systems, browsers, hardware configurations and other variables provides a wide sample size that helps developers discover as many issues as possible. It’s also important for developers not to confuse real user data with real user testing. What is real user monitoring (RUM)?

Strategy 72

Strategy Metrics Monitoring Servers 72

SQL Performance

MARCH 17, 2020

Test Environment. It comes set to SQL Server 2008 compatibility (level 100), but we will start with a more modern setting of SQL Server 2017 (level 140): ALTER DATABASE StackOverflow2013 SET COMPATIBILITY_LEVEL = 140 ; The tests were performed on my laptop using SQL Server 2019 CU 2. The cost threshold for parallelism is set to 50.

Servers 86

Servers Tuning Database Efficiency 86

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. We had specializations in hardware, operating systems, databases, graphics, etc.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. 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. Functional Testing.

Mobile 82

Mobile Testing Hardware C++ 82

KeyCDN

SEPTEMBER 20, 2018

Source: Google Keep in mind that not all code errors are noticeable to users. Back-end error tracking is relatively straightforward since all server-side code runs in the same place. That being said, here are some of the best tools for tracking web application errors in 2018 Automated Testing 1. Manual Testing 5.

Strategy 67

Strategy Monitoring Website Google 67

Alex Podelko

SEPTEMBER 8, 2020

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. I remember really liking the technical side of these tests. But I must confess I was not too fond of having to report the results to stakeholders or deal with political/personal issues related to (poor) test results.

Open Source 223

Open Source Performance Testing Testing Performance 223

Smashing Magazine

NOVEMBER 16, 2021

Touch Design for Mobile Interfaces presents and shares real information on hardware, people, interactions, and environments. Promoting best practices and providing you with practical tips to master your daily coding and design challenges has always been (and will be) at the core of everything we do at Smashing. Add to cart $44.

Mobile 89

Mobile Design Best Practices Website 89

The Netflix TechBlog

FEBRUARY 13, 2020

Brief overview of image coding formats The JPEG format was introduced in 1992 and is widely popular. This is followed by quantization and entropy coding. With the motion extension, it was accepted as the video coding standard for digital cinema in 2004. Webp is based on intra-frame coding from the VP8 video coding format.

Code 212

Code Metrics Efficiency Open Source 212