Sat.Aug 25, 2018 - Fri.Aug 31, 2018

article thumbnail

Stuff The Internet Says On Scalability For August 31st, 2018

High Scalability

Hey, it's HighScalability time: This mind blowing creation is from John Williamson. It's the first million integers, represented as binary vectors indicating their prime factors, laid out with UMAP. No, I really have no idea what that means either, but it did make me consider that our universe could be created by an algorithm. What are the wiggly cycles on the periphery?

Internet 105
article thumbnail

Call for Code asks developers worldwide to collaborate on solutions to save lives

O'Reilly Software

The O’Reilly Media Podcast: Daniel Krook, IBM developer advocate, on the Call for Code Global Initiative at IBM. Disasters hit unexpectedly and cause life-threatening issues across the world. Large groups of people are left without water, electricity, or other basic systems that sustain life. In an effort to help the communities of the world be better prepared to handle these tough situations, David Clark Cause launched Call for Code along with IBM as the founding partner.

Code 80
Insiders

Sign Up for our Newsletter

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

article thumbnail

A Brief Guide About Competitive Analysis

Smashing Magazine

A Brief Guide About Competitive Analysis. A Brief Guide About Competitive Analysis. Mayur Kshirsagar. 2018-08-30T14:00:57+02:00. 2019-04-29T18:34:58+00:00. In this article, I will introduce the subject of competitive analysis , which is basically a method to determine how well your competitors are performing. My aim is to introduce the subject to those of you who are new to the concept.

Google 59
article thumbnail

Commute Challenge 2018

Randon ASCII

I’ll bet I had more fun commuting during September 2018 than you did. In April 2017 I gave myself the challenge of commuting to work using a different method every workday for a month – twenty ways in twenty days! The write up and video are here. It was great fun and it also served as a joyous celebration of the many ways to make commuting more fun than sitting alone in traffic.

article thumbnail

Tuning PostgreSQL Database Parameters to Optimize Performance

Percona

Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. Default values are set to ensure that PostgreSQL runs everywhere, with the least resources it can consume and so that it doesn’t cause any vulnerabilities. It has default settings for all of the database parameters. It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload.

Tuning 58
article thumbnail

Positive Testing: Meaning and Merits Explained with Real Test Scenarios

Software Testing Help

A Complete Overview of Positive Testing: This tutorial will give you a brief introduction of one of the most prominent testing types ‘Positive testing’. Software Testing is the process of. Read more Positive Testing: Meaning and Merits Explained with Real Test Scenarios. The post Positive Testing: Meaning and Merits Explained with Real Test Scenarios appeared first on Software Testing Help.

Testing 40
article thumbnail

Organizing for Innovation, Part VI: Putting It All Together

The Agile Manager

As we saw in the previous posts in this series, organizations of autonomous teams can scale. Scaling requires different team characteristics (requisite variety, redundancy of function, double-loop learning and minimum critical specification), a different mental model of organization (brain, not machine), a different kind of hierarchy (purpose, not control), and a different style of leadership (guide, not command).

More Trending

article thumbnail

Webinar Tuesday, 8/28: Forking or Branching – Lessons from the MySQL Community

Percona

Please join Percona’s CEO, Peter Zaitsev as he presents Forking or Branching – Lessons from the MySQL Community on Tuesday, August 28th, 2018 at 7:00 AM PDT (UTC-7) / 10:00 AM EDT (UTC-4). Register Now. The MySQL Community offers a great example of various forks and branches, with MariaDB being the most well-known fork, and companies like Percona, Facebook and Alibaba maintaining their own branches.

article thumbnail

7 Checks to Successfully Upgrade MongoDB Replica Set in Production

Percona Community

MongoDB ships powerful features in each release. The new release brings new features while revisions add bug fixes, security patches or improvements to existing features. To bring most out these releases to your plate you should always consider upgrading your MongoDB deployments. Planning your database upgrade can avoid the nightmares caused due to database-upgrade-gone-wrong or avoid not-so-simple rollbacks in your production database.

article thumbnail

Auth0 Architecture: Running In Multiple Cloud Providers And Regions

High Scalability

This is article was written by Dirceu Pereira Tiegs, Site Reliability Engineer at Auth0, and originally was originally published in Auth0. Auth0 provides authentication, authorization, and single sign-on services for apps of any type (mobile, web, native) on any stack. Authentication is critical for the vast majority of apps. We designed Auth0 from the beginning so that it could run anywhere: on our cloud, on your cloud, or even on your own private infrastructure.

article thumbnail

The ‘Chocolate Sauce’ Design Heuristic

Strategic Tech

A trip to the supermarket can teach you a lot about designing software systems and shaping teams to build them… I was recently in need of some chocolate sauce. My wife and I had enjoyed a wonderful, home-cooked Sunday lunch and I had a craving for sweetness. “Shall we get a Viennetta ? I haven’t had one for years”, I proposed. “That sounds good. Let’s get some squirty cream and chocolate sauce as well” she enthused.

Design 40
article thumbnail

Tune Linux Kernel Parameters For PostgreSQL Optimization

Percona

For optimum performance, a PostgreSQL database depends on the operating system parameters being defined correctly. Poorly configured OS kernel parameters can cause degradation in database server performance. Therefore, it is imperative that these parameters are configured according to the database server and its workload. In this post, we will discuss some important kernel parameters that can affect database server performance and how these should be tuned.

Tuning 58
article thumbnail

MySQL 8: Load Fine Tuning With Resource Groups

Percona

MySQL Resource Groups, introduced in MySQL 8, provide the ability to manipulate the assignment of running threads to specific resources, thereby allowing the DBA to manage application priorities. Essentially, you can assign a thread to a specific virtual CPU. In this post, I’m going to take a look at how these might work in practice. Let us start with a disclaimer.

Tuning 45
article thumbnail

Is It a Read Intensive or a Write Intensive Workload?

Percona

One of the common ways to classify database workloads is whether it is “read intensive” or “write intensive”. In other words, whether the workload is dominated by reads or writes. Why should you care? Because recognizing if the workload is read intensive or write intensive will impact your hardware choices, database configuration as well as what techniques you can apply for performance optimization and scalability.