July, 2020

PostgreSQL Connection Pooling: Part 4 – PgBouncer vs. Pgpool-II


In our previous posts in this series, we spoke at length about using PgBouncer and Pgpool-II , the connection pool architecture and pros and cons of leveraging one for your PostgreSQL deployment.

Dynatrace Managed now available on all major cloud platforms


Dynatrace news. Cloud-based solutions typically aren’t a viable option or enterprises that have strict security or privacy policies that require their data to be maintained on-premise.

Cloud 218

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Testing Iceberg


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.

Byte Down: Making Netflix’s Data Infrastructure Cost-Effective

The Netflix TechBlog

By Torio Risianto, Bhargavi Reddy, Tanvi Sahni, Andrew Park Continue reading on Netflix TechBlog ». cloud-storage data data-infrastructure aws netflix

Stuff The Internet Says On Scalability For July 31st, 2020

High Scalability

Hey, it's HighScalability time! Serverless is really complex. Or is it? paulbiggar sparked a thoughtful Twitter thread. Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff won't happen.

Infinite Scroll without Layout Shifts

Addy Osmani

Learn how to implement infinite scrolling for long lists without causing surprising layout shifts


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


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.

More Trending

MicroProfile Metrics with Prometheus and Grafana [Video]


In this short video, Rudy de Busscher shows how to connect MicroProfile Metrics with Prometheus and Grafana to produce useful graphics and to help investigate your microservice architecture. The goal of MicroProfile Metrics is to expose monitoring data from the implementation in a unified way.

Machine Learning for a Better Developer Experience

The Netflix TechBlog

Stanislav Kirdey , William High Imagine having to go through 2.5GB of log entries from a failed software build?—?3 3 million lines?—?to to search for a bug or a regression that happened on line 1M. It’s probably not even doable manually!

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.

Native lazy-loading for iframes is here!

Addy Osmani

Native lazy-loading for iframes is now supported in Chrome and Chromium browsers


Redis Transactions & Long-Running Lua Scripts


Redis offers two mechanisms for handling transactions – MULTI/EXEC based transactions and Lua scripts evaluation. Redis Lua scripting is the recommended approach and is fairly popular in usage.

Monitoring of Kubernetes Infrastructure for day 2 operations


Dynatrace news. Kubernetes has taken over the container management world and beyond , to become what some say the operating system or the new Linux of the cloud.

21 Groups and Companies Testers Should Follow on Linkedin


Getting in the Know on LinkedIn in 2020. Are you a tester on Linkedin? We all know the benefits of having a well-maintained Linkedin profile: recruiters reach out to you, you can show off skills and achievements, display personal recommendations, network, etc.

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 ». visual-effects

Cloud 158

Configuring SQL Server Always On Availability Groups on AWS EC2

SQL Shack

In this article, we will review how to set up multi-subnet Always On Availability groups using AWS EC2 instances and AWS FSx as file share witness.

Introducing Domain-Oriented Microservice Architecture

Uber Engineering

Introduction. Recently there has been substantial discussion around the downsides of service oriented architectures and microservice architectures in particular.

Infinite Scroll without Layout Shifts

Addy Osmani

Learn how to implement infinite scrolling for lists without impacting Cumulative Layout Shift


Expand application and infrastructure observability with operational insights into Kubernetes pods


Dynatrace news. Dynatrace is the only Kubernetes monitoring solution that provides continuous automation and full-stack advanced observability without changing code, container images, or deployments.

OAuth API Testing With JMeter


For Installing and Overview of JMETER. Please check. link]. performance oauth jmeter load api testing api access tokens jmeter 5.1

Unbundling Data Science Workflows with Metaflow and AWS Step Functions

The Netflix TechBlog

by David Berg, Ravi Kiran Chirravuri, Romain Cledat, Jason Ge, Savin Goyal, Ferras Hamad, Ville Tuulos Continue reading on Netflix TechBlog ». infrastructure aws machine-learning

AWS 141

Add a new node into existing SQL Server Always On Availability Groups

SQL Shack

This is the 5th article in the series of a comprehensive guide to SQL Server Always On Availability Groups. Introduction In the previous articles (see TOC at the bottom), we configured a two-node SQL Server Always On Availability Group. We performed the following steps at a high level.

AI in testing: 13 essential resources for QA pros

TechBeacon Testing

What if you could make software testing simple? What if it could be done without all the conversations, questions, defect reports, and metrics? App Dev & Testing, Testing, Artificial Intelligence (AI), Test Automation

The Rise of Value Stream Management (VSM)


In 2006, I got a call from a Forrester analyst. I was in the midst of wrapping up my thesis and spending most of my days coding, and had no clue as to why an analyst would want to talk to me. I then found out that analyst was Carey Schwaber, the daughter of Scrum co-creator Ken Schwaber.

A Dynatrace champions guide to get ahead of digital marketing campaigns


Dynatrace news. I bet you’re asking yourself – “Why should I as a technology person care about marketing?”,

Quality Sense Podcast: Oren Rubin — Web Test Automation Challenges


In today’s Quality Sense episode, Federico Toledo sits down for a chat with the founder and CEO of Testim , Oren Rubin , an Israeli entrepreneur who has over 20 years of experience in the software industry.

Quality Sense Podcast: Sofia Palamarchuk – Mobile app performance


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.

Database-level health detection in SQL Server Always On Availability Groups

SQL Shack

This is the 8th article in the series for SQL Server Always On Availability Groups. Introduction SQL Server Always On Availability Groups create a group of databases that fails over together in case the primary replica is unavailable.

Fundamentals of table expressions, Part 4 – Derived tables, optimization considerations, continued

SQL Performance

This article is the fourth part in a series on table expressions. In Part 1 and Part 2 I covered the conceptual treatment of derived tables. In Part 3 I started covering optimization considerations of derived tables.

Sponsored Post: StackHawk, InterviewCamp.io, Educative, Triplebyte, Stream, Fauna

High Scalability

Who's Hiring? InterviewCamp.io has hours of system design content. They also do live system design discussions every week. They break down interview prep into fundamental building blocks. Try out their platform. T riplebyte lets exceptional software engineers skip screening steps at hundreds of top tech companies like Apple, Dropbox, Mixpanel, and Instacart. Make your job search O (1), not O ( n ). Apply here. Need excellent people? Advertise your job here! Cool Products and Services.

Dynatrace innovates again with the release of topology-driven auto-adaptive metric baselines


Dynatrace news.

Improving The Accuracy of Quality Assurance With Defect Tracking


Quality assurance and software maintenance can be highly costly for the company; in many instances, companies are spending around 80% and even 90% (in some cases) of the software development budget on quality maintenance and keeping up with the standards.

We've improved image lazy-loading in Chrome!

Addy Osmani

We improved image lazy-loading in Chrome! The new thresholds for when we lazy-load images offer much better data-savings, are closer to JavaScript lazy-loading libraries and are rolling out to Chrome 79


Explore SQL Server Index Properties in SSMS

SQL Shack

This article gives you an insight into SQL Server Index properties in SSMS. Introduction We can create indexes in SQL Server using both GUI and t-SQL method. Once we create an index using t-SQL, we specify the index name, key columns, included columns, filter to create it.

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


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.

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.

Address Kubernetes-observability configuration chaos with unparalleled automation


Dynatrace news. Kubernetes can be a confounding platform for system architects. Microservice design principles force people to think along a spectrum of loose coupling. Configuration headaches for Kubernetes observability are no different.