Sat.Jul 11, 2020 - Fri.Jul 17, 2020

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Using JSONB in PostgreSQL: How to Effectively Store & Index JSON Data in PostgreSQL

Scalegrid

JSON stands for JavaScript Object Notation. It is an open standard format which organizes data into key/value pairs and arrays detailed in RFC 7159. JSON is the most common format used by web services to exchange data, store documents, unstructured data, etc. In this post, we are going to show you tips and techniques on how to effectively store and index JSON data in PostgreSQL.

Storage 321
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Testing Iceberg

DZone

Anyone who has done some test automation or has searched for information about the subject will have come across the famous "Testing Pyramid" more than once. This figure represents the "ideal" way to distribute the automatic tests of a system in its different layers. Where the width, indicates the number of tests that should exist about the different levels.

Testing 263
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Managing the Dynatrace API across multiple thousand environments

Dynatrace

Dynatrace news. In part one of this series I’ve covered the automatic roll-out of the OneAgent to thousands of hosts and the autonomous setup of Dynatrace environments in a large global Dynatrace Managed installation. A quick recap: I’ve managed a global Dynatrace Managed installation consisting of several clusters, each hosting up to thousand individual environments.

Cache 236
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Empowering the Visual Effects Community with the NetFX Platform

The Netflix TechBlog

The cloud-based platform allows vendors, artists and creators to connect and collaborate on visual effects (VFX) from anywhere in the… Continue reading on Netflix TechBlog ».

Cloud 188
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PostgreSQL vs. Oracle: Difference in Costs, Ease of Use & Functionality

Scalegrid

Oracle Database is a commercial, proprietary multi-model database management system produced by Oracle Corporation, and the largest relational database management system (RDBMS) in the world. While Oracle remains the #1 database on the market, its popularity has steadily declined by over 18% since 2013. What’s causing this massive shift? The unstoppable rise of open source databases.

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Selenium Python Tutorial: Getting Started With BDD In Behave

DZone

As technology becomes more complex, the number of people who actually understand it decreases. With Selenium test automation, the story is not so different, key stakeholders in a project, with the nontechnical background but with more insight into customer demand and use cases, might find it difficult to contribute to the process. Wouldn’t it be great, if the testers, developers, product managers, business managers, and other stakeholders in a project could sit under one roof to unearth new test

Testing 214
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Systems Performance: Enterprise and the Cloud, 2nd Edition

Brendan Gregg

Eight years ago I wrote _Systems Performance: Enterprise and the Cloud_ (aka the "sysperf" book) on the performance of computing systems, and this year I'm excited to be releasing the second edition. The first edition was successful, selling over 10k copies and becoming required or recommended reading at many companies (and even mentioned in [job descriptions]).

Systems 141

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Microservices Adoption in 2020

O'Reilly

Microservices seem to be everywhere. Scratch that: talk about microservices seems to be everywhere. And that’s the problem. Thinkers as dissimilar as Plato , Robert Boyle , and Keith Richards tend to agree about one thing: Talk is cheap. So we wanted to determine to what extent, and how, O’Reilly subscribers are empirically using microservices. In other words, how long have people been using them?

Database 138
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8 Tips to Optimize Your Continuous Testing Strategy

DZone

In this competitive digital era, there has always been a constant demand for continuous digital improvement. Even if automation is a prominent keyword nowadays, a recent report says that only 30% of the organizations have adopted automation testing. Although the organizations invest a considerable amount of time and money in transforming their development processes, they fail to reap the benefits of the shift in the right direction by choosing only a few aspects of testing.

Strategy 173
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Automatic intelligent observability into Envoy-proxied services of your Istio service mesh (Preview)

Dynatrace

Dynatrace news. The popularity of microservices and container platforms like Kubernetes and Cloud Foundry is in large part due to the associated benefits of faster deployment cycles, more flexibility in resource utilization, and reduced technology/vendor lock-in. These are however just some of the reasons why we’re now seeing these platforms in use in customer environments around the world.

Traffic 134
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The OS Classics

All Things Distributed

A few days ago I was fortunate to pick up a copy of a book that had a major impact on my early career as kernel engineer; The Design and Implementation of the 4.3 BSD UNIX Operating System by Samuel J. Leffler, Marshall Kirk McKusick, Michael J. Karels and John S. Quarterman. It was the first authoritative description of Berkeley UNIX , its design and implementation.

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Methods Of Improving And Optimizing Performance In React Apps

Smashing Magazine

Methods Of Improving And Optimizing Performance In React Apps. Methods Of Improving And Optimizing Performance In React Apps. Shedrack Akintayo. 2020-07-16T11:00:00+00:00. 2020-07-16T11:35:57+00:00. React enables web applications to update their user interfaces (UIs) quickly, but that does not mean your medium or large React application will perform efficiently.

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How to Communicate Effectively as a QA Manager

DZone

QA Managers are responsible for providing frequent and consistent communication for each member of their team. Celebrating the teamwork, treating team members with respect, and providing them with specific and actionable feedback is critical when trying to facilitate a productive environment. A productive environment can enhance the overall morale of a team and contributes to a healthy culture.

Strategy 165
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What is Kubernetes? Orchestrating the world at the age of a first grader

Dynatrace

Dynatrace news. The Kubernetes project just turned six years old. But w hat is Kubernetes ? W here does it come from ? A nd what problem is it trying to solve? . When I first started work ing at Dynatrace, nine years ago, our customers were using our solution to get deep end-to-end visibility into environments we would now refer to be mostly monolithic.

Google 133
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AI in testing: What it is, and why it matters

TechBeacon Testing

AI in testing is becoming mainstream. Some 21% of IT leaders surveyed said they are putting AI trials or proofs of concept in place, according to the 2019-2020 World Quality Report. Speaking to longer-term trends, only 2% of respondents said AI has no part in their future plans.

Testing 118
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How to resolve deadlocks in SQL Server

SQL Shack

In this article, we will talk about the deadlocks in SQL Server, and then we will analyze a real deadlock scenario and discover the troubleshooting steps. In general, we can find out various theoretical advice and examples about the deadlock problems on the web but, in this article, we will tackle a true deadlock story […].

Servers 110
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Explaining the Difference Between Web and Mobile App Testing

DZone

If a product has a web and a mobile version of an application, their functionality is almost identical. The app QA process, however, will flow differently for each platform due to their particularities. A mobile application has become an umbrella term that covers three different types of apps – native, PWA, and hybrid. Each is coded in a specific way and has some distinctive features.

Mobile 147
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What is Kubernetes? Orchestrating the world at the age of a first grader

Dynatrace

Dynatrace news. The Kubernetes project just turned six years old. But w hat is Kubernetes ? W here does it come from ? A nd what problem is it trying to solve? When I first started work ing at Dynatrace, nine years ago, our customers were using our solution to get deep end-to-end visibility into environments we would now refer to be mostly monolithic.

Google 130
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Quality Sense Podcast: Sofia Palamarchuk – Mobile app performance

Abstracta

Finding new solutions for testing mobile performance on the client side In today’s Quality Sense episode, Federico Toledo sits down for a chat with a colleague and friend, The post Quality Sense Podcast: Sofia Palamarchuk – Mobile app performance appeared first on Abstracta Software Testing Services.

Mobile 109
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Configure Domain Controller and Active Directory for SQL Server Always On Availability Groups

SQL Shack

In this series for SQL Server Always On availability groups, we are covering end to end configurations for SQL Server 2019 on Windows Server 2016. In the article, A comprehensive guide to SQL Server Always On Availability Groups on Windows Server 2016, we configured three virtual machines with their networking configurations. In this article, we […].

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Connecting Robotic Process Automation and Test Automation

DZone

Connecting RPA and Test Automation. RPA and test automation recite completely similar if you haven’t been working combined with both, so how are they different? A lot of things to explain concerning RPA and test automation signify alike, such as quick deliverance, shorter time and cost consuming, accuracy, QA, reduced human interference, and automation.

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Make Jamstack Slow? Challenge Accepted.

CSS - Tricks

“Jamstack is slowwwww.” That’s not something you hear often, right? Especially, when one of the main selling points of Jamstack is performance. But yeah, it’s true that even a Jamstack site can suffer hits to performance just like any other site. Don’t think that by choosing Jamstack you no longer have to think about performance. Jamstack can be fast — really fast — but you have to make the right choices.

Cache 71
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Webinar: End-to-End Mobile Performance Testing with Apptim and BlazeMeter

Abstracta

Finding a way to test UX performance in mobile and web while stressing the backend With app quality being more important than ever for app success, brand reputation, The post Webinar: End-to-End Mobile Performance Testing with Apptim and BlazeMeter appeared first on Abstracta Software Testing Services.

Mobile 92
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Configure failover clusters, storage controllers and quorum configurations for SQL Server Always On Availability Groups

SQL Shack

This article explores the configuration of Windows failover clusters, storage controllers and quorum configurations for SQL Server Always On Availability Groups. Prerequisites In this series of articles, we will configure the SQL Server always on availability groups from end to end for your learning purpose. We covered the following topics in the previous articles.

Storage 75
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Top Benefits of Data-Driven Test Automation

Testsigma

According to Wikipedia, Data-Driven Testing(DDT) is a software testing methodology that is used in the testing of computer software to describe testing done using a table of conditions directly as test inputs and verifiable outputs as well as the process where test environment settings and control are not hard-coded. In the simplest form, the tester supplies the inputs from a row in the table and expects the outputs which occur in the same row.

Testing 63
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How to Optimize CSS for Speed

MachMetrics

Thanks to CSS, our webpages no longer need to look like they did in the 1990s. It’s an incredibly powerful tool that allows us immense customization, and even the ability to create complex drawings. However, if utilized carelessly, CSS can greatly affect our page speed. When a user requests a website, the browser must process all the information available to determine the layout and style.

Speed 60
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Announcing, Blogging with WordPress for Beginners, an Online Course

The Polyglot Developer

I’m pleased to announce that the course, Blogging with WordPress for Beginners, has been released to The Polyglot Developer courses portal. So what does this course attempt to accomplish? If you’re interested in starting a blog to represent your brand and grow your audience, you’ll see how to do this using WordPress, a popular content management system (CMS), and a strong search engine optimization (SEO) strategy.

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Install SQL Server 2019 on Windows Server 2016 with SQL Server Always On Availability Groups

SQL Shack

In this article, we will proceed with configuring a SQL Server Always On Availability Groups and perform failover validations. You should go through the following articles and build the infrastructure before proceeding with this article. A comprehensive guide to SQL Server Always On Availability Groups on Windows Server 2016 Configuration of virtual machines on Oracle […].

Servers 69
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How to find the right development partner in San Francisco?

Simform

What are the benefits of doing technical partnership? What are the steps to find the right development partner in San Francisco area? This blog post will guide you to ease the search process. The post How to find the right development partner in San Francisco? appeared first on Insights on Latest Technologies - Simform Blog.

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Identifying Optane drives in Linux

n0derunner

The easiest way to identify NVME drives backed by either NAND flash or Optane is to use $ lspci -v The output will look like this for NVME/NAND 00:0d.0 Non-Volatile memory controller: Intel Corporation NVMe Datacenter SSD [3DNAND, Beta Rock Controller] (prog-if 02 [NVM Express]) Subsystem: Intel Corporation NVMe Datacenter SSD [3DNAND] SE 2.5" U.2. The post Identifying Optane drives in Linux appeared first on n0derunner.

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Systems Performance: Enterprise and the Cloud, 2nd Edition

Brendan Gregg

Eight years ago I wrote _Systems Performance: Enterprise and the Cloud_ (aka the "sysperf" book) on the performance of computing systems, and this year I'm excited to be releasing the second edition. The first edition was successful, selling over 10k copies and becoming required or recommended reading at many companies (and even mentioned in [job descriptions]).

Systems 52
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A comprehensive guide to SQL Server Always On Availability Groups on Windows Server 2016

SQL Shack

In this article, we will configure a SQL Server Always On Availability Group on the Windows Server 2016. We use SQL Server 2019 for configuration. Introduction SQL Server Always On Availability Groups offers high availability and disaster recovery solution for mission-critical databases. It also supports to offload some read workloads to the secondary replica.

Servers 69
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Support for.NET Core 3.1 is here!

Particular Software

Supporting NServiceBus on.NET Core 3.1 has been a focus for us here at Particular in 2020. Well, the day is finally here. We’re happy to announce that with the latest version of NServiceBus, you can build and deploy your NServiceBus endpoints on.NET Core 3.1, taking advantage of great features like built-in hosting, logging, and dependency injection.

Website 52
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Voluntary Contact Self-Tracing for Companies

ScaleOut Software

Tracking employee interactions can help get back to work faster. How Voluntary Self-Tracing Helps. In a previous blog post , we explored how voluntary contact self-tracing can assist other contact tracing techniques in alerting people who may have been exposed to the COVID-19 virus. This technique enables participants to log interactions with others so that they can discover if they are in a chain of contacts originating with someone, often a stranger, who subsequently tests positive for the vir

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Systems Performance: Enterprise and the Cloud, 2nd Edition

Brendan Gregg

Eight years ago I wrote _Systems Performance: Enterprise and the Cloud_ (aka the "sysperf" book) on the performance of computing systems, and this year I'm excited to be releasing the second edition. The first edition was successful, selling over 10k copies and becoming required or recommended reading at many companies (and even mentioned in [job descriptions]).

Systems 52
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Automating Azure SQL Database index maintenance using Elastic Job Agents

SQL Shack

In this article, I am going to explain how we can automate the index and statistics maintenance of Azure SQL Database using an Elastic Job Agent. The Microsoft SQL Server Agent component is used to automate the various tasks including database maintenance. But in Azure, the SQL Server Agent is only available in the Azure […].

Azure 64
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What's Required With Instana's Granular Role-Based Access Control

DZone

At Instana, we've spent years democratizing access to Application Performance Monitoring (APM). So when it came time to enhance the Role-Based Access Control (RBAC) capabilities for our growing enterprise customers, we wanted to do more than just add access control. We wanted to add value for our users, not just limit their access. Across the board at customers, we've seen large increases in the number of developers and operators using Instana daily.