September, 2020

Stuff The Internet Says On Scalability For Sep 18th, 2020

High Scalability

Hey, it's HighScalability time! I can't wait for the duel. Just don't shoot into the air. Do you like this sort of Stuff? Without your support on Patreon this kind of Stuff won't happen. Know someone who could benefit from becoming one with the cloud? Of course you do.

Performance Testing with Open Source Tools – Myths and Reality

Alex Podelko

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. While Federico definitely has good points there, there is some truth in these myths too. Otherwise we wouldn’t see so many commercial tools built on the top of open source including BlazeMeter (it is ironic that the article is posted on the BlazeMeter site), Flood, and OctoPerf.

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Dynatrace achieves AWS Outposts Ready designation

Dynatrace

Dynatrace news. As an Amazon Web Services (AWS) Advanced Technology Partner, Dynatrace easily integrates with AWS to help you stay on top of the dynamics of your enterprise cloud environment?.

AWS 218

Most Practical Selenium WebDriver Tutorial With Examples

DZone

Selenium is one of the most widely used automation frameworks for web-application testing. It automates browser testing and eases redundant test efforts for the QA Community. Most of the organizations are switching to using Selenium to automate their test suites which are often run regularly.

Edgar: Solving Mysteries Faster with Observability

The Netflix TechBlog

Edgar helps Netflix teams troubleshoot distributed systems efficiently with the help of a summarized presentation of request tracing, logs, analysis, and metadata. by Elizabeth Carretto Everyone loves Unsolved Mysteries. There’s always someone who seems like the surefire culprit.

MongoDB SSL with self-signed certificates in C#

Scalegrid

When deploying MongoDB in production, it is strongly recommended that you use an SSL-enabled geo-distributed replica-set configuration for maximum security and availability. ScaleGrid provides you two options for setting up SSL.

C++ 131

Emulate vision deficiencies in DevTools

Addy Osmani

Emulate vision deficiencies in to see how users who experience color blindness or blurred vision might see your site

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More Trending

Dynatrace continues to grow and opens new development Lab in Vienna

Dynatrace

Dynatrace news. Founded in Linz, Austria, Dynatrace now has more than 50 offices around the world and is continuing to grow. With this growth, a new global R&D headquarters was opened in Linz in late 2019.

Chaos-Mesh-Action: Integrate Chaos Engineering Into Your CI

DZone

Chaos Mesh is a cloud-native chaos testing platform that orchestrates chaos in Kubernetes environments.

Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

How we migrated our Android endpoints out of a monolith into a new microservice by Rohan Dhruva , Ed Ballot As Android developers, we usually have the luxury of treating our backends as magic boxes running in the cloud, faithfully returning us JSON.

content-visibility: the new CSS property that boosts your rendering performance

CSS - Tricks

Una Kravets and Vladimir Levin: […] you can use another CSS property called content-visibility to apply the needed containment automatically. content-visibility ensures that you get the largest performance gains the browser can provide with minimal effort from you as a developer.

Visualize Data Structures in VSCode

Addy Osmani

VSCode Debug Visualizer is a VSCode extension that allows you to visualize data structures in your editor

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Moving HPC to the Cloud: A Guide for 2020

High Scalability

This is a guest post by Limor Maayan-Wainstein , a senior technical writer with 10 years of experience writing about cybersecurity, big data, cloud computing, web development, and more. High performance computing (HPC) enables you to solve complex problems which cannot be solved by regular computing.

Cloud 165

Cloud infrastructure monitoring in action: Dynatrace on Dynatrace

Dynatrace

Dynatrace news. At Dynatrace we host most of our Dynatrace SaaS clusters for paying customers as well as trial users in the Amazon Web Services (AWS) cloud.

Top 10 Mobile Performance Testing Tools in 2020

DZone

According to App Annie , in 2019, consumers averaged 3 hours and 40 minutes per day on mobile (up 35% from 2017), highlighting the fact that companies from all industries stand to benefit from putting mobile at the center of their digital transformation strategy.

Mobile 188

Analytics at Netflix: Who we are and what we do

The Netflix TechBlog

Analytics at Netflix: Who We Are and What We Do An Introduction to Analytics and Visualization Engineering at Netflix by Molly Jackman & Meghana Reddy Explained: Season 1 (Photo Credit: Netflix) Across nearly every industry, there is recognition that data analytics is key to driving informed business decision-making.

Please stop using this UPSERT anti-pattern

SQL Performance

I think everyone already knows my opinions about MERGE and why I stay away from it. But here's another (anti-)pattern I see all over the place when people want to perform an upsert (update a row if it exists and insert it if it doesn't): IF EXISTS ( SELECT 1 FROM dbo.

Reinventing virtualization with the AWS Nitro System

All Things Distributed

Running a business at the scale of Amazon, we often have to solve problems that no other company has faced before. The disadvantage of this is that there is no “how to” guide for us—a lot is unknown.

MySQL on Azure Performance Benchmark – ScaleGrid vs. Azure Database

High Scalability

Microsoft Azure is one of the most popular cloud providers in the world, and a natural fit for database hosting on applications leveraging Microsoft across their infrastructure. MySQL is the number one open source database that’s commonly hosted through Azure instances.

Azure 146

A guide to event-driven SRE-inspired DevOps

Dynatrace

Dynatrace news.

DevOps 215

E2E Test — Use Probe Attribute As Element Locator

DZone

If you have experiences to create an E2E test project on a web application, you should be familiar with codes like this. JavaScript. xxxxxxxxxx. 1. // Manipulate browser to enter text to an input box. const fooInput = await getElement ( '.fooInput' fooInput' ); 3. fooInput.

How Our Paths Brought Us to Data and Netflix

The Netflix TechBlog

Part of our series on who works in Analytics at Netflix?—?and

Fundamentals of table expressions, Part 6 – Recursive CTEs

SQL Performance

This article is the sixth part in a series about table expressions. Last month in Part 5 I covered the logical treatment of nonrecursive CTEs. This month I cover the logical treatment of recursive CTEs.

C++ 103

Watchman: monitoring dependency conflicts for Python library ecosystem

The Morning Paper

Watchman: monitoring dependency conflicts for Python library ecosystem Wang et al., ICSE ‘20. There are more than 1.4M Python libraries in the PyPI repository. Figuring out which combinations of those work well together is not always easy.

Improve SQL Server transaction log performance with Delayed Durability

SQL Shack

In this article, we will learn the Delayed Durability feature that helps to improve transaction log file write throughput in SQL Server. OLTP (Online Transaction Processing) databases should process a huge number of transactions within the shortest time and concurrently.

Dynatrace earns top position in ISG Provider Lens™ Cloud-Native Observability Solutions Quadrant

Dynatrace

Dynatrace news.

Cloud 201

Performance Considerations for an Enterprise Application

DZone

Performance is an integral part of the Application design and plays a vital role in the success of your product/application. I would like to write a series of performance optimization techniques that help to design the best performant enterprise applications.

Key Challenges with Quasi Experiments at Netflix

The Netflix TechBlog

Kamer Toker-Yildiz , Colin McFarland , Julia Glick At Netflix, when we can’t run A/B experiments we run quasi experiments !

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High Scalability

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Optimizing CSS for faster page loads

CSS - Tricks

A straightforward post with some perf data from Tomas Pustelnik. It’s a good reminder that CSS is a crucial part of thinking web performance, and for a huge reason: Any time [the browser] encounters any external resource (CSS, JS, images, etc.)

Media 76

Scalar UDF Inlining in SQL Server 2019

SQL Shack

In this article, we will explore a new SQL Server 2019 feature which is Scalar UDF (scalar user-defined) inlining. Scalar UDF inlining is a member of the intelligent query processing family and helps to improve the performance of the scalar-valued user-defined functions without any code changing.

What is AIOps? A Software Intelligence Approach

Dynatrace

Dynatrace news. AIOps is the terminology that indicates the use of, typically, machine learning (ML) based artificial intelligence to cut through the noise in IT operations, specifically incident handling and management.

Optimizing String Comparisons in Go

DZone

Want your Go programs to run faster? Optimizing string comparisons in Go can improve your application’s response time and help scalability. Comparing two strings to see if they’re equal takes processing power, but not all comparisons are the same.

HDMI?—?Scaling Netflix Certification

The Netflix TechBlog

HDMI?—?Scaling Scaling Netflix Certification Scott Bolter , Matthew Lehman , Akshay Garg ¹ At Netflix, we take the task of preserving the creative vision of our content all the way to a subscriber TV screen very seriously.

Media 146

Aligning superhuman AI with human behaviour: chess as a model system

The Morning Paper

Aligning superhuman AI with human behavior: chess as a model system , McIlroy-Young et al., KDD’20. It’s been a while, but it’s time to start reading CS papers again!

Games 75

How Tech is Shaping the Logistics Industry in Chicago

Simform

Chicago is a well established global shipping hub. The city houses plenty of logistic giants that move goods around the world. However, the dawn of new technologies in the field of logistics has stirred up things in this city.

Suspend and Resume Data Movement in SQL Server Always On Availability Groups

SQL Shack

In this 26th article for SQL Server Always On Availability Groups series, we will discuss the process to suspend and resume data movements between AG replicas.