Find Slow Queries

SQL Performance Tuning: 7 Practical Tips for Developers

Matt Watson Developer Tips, Tricks & Resources, Popular

Being able to execute a SQL performance tuning is a vital skill for software teams that rely on relational databases. Vital isn’t the only adjective that we can apply to it, though. Rare also comes to mind, unfortunately. Many software professionals think that they can just leave all the RDBMS settings as they came by default. They’re wrong. Often, the …

What Is Infrastructure as Code? How It Works, Best Practices, Tutorials

What Is Infrastructure as Code? How It Works, Best Practices, Tutorials

Carlos Schults Developer Tips, Tricks & Resources

In the past, managing IT infrastructure was a hard job. System administrators had to manually manage and configure all of the hardware and software that was needed for the applications to run. However, in recent years, things have changed dramatically. Trends like cloud computing revolutionized—and improved—the way organizations design, develop, and maintain their IT infrastructure. One of the critical components …

A Start-To-Finish Guide to Docker for .NET

A Start-To-Finish Guide to Docker for .NET

Daniel Hilgarth Developer Tips, Tricks & Resources

Docker: it’s one of those technologies that seems to be everywhere. Whether you’re a junior developer just starting out or a seasoned .NET developer, at some point in your career, you’ll most likely come across Docker for .NET. So, what is Docker? According to Wikipedia, “Docker is a set of coupled software-as-a-service and platform-as-a-service products that use operating-system-level virtualization to develop and …

16 Ways to Speed Test Automation Using a CI/CD Pipeline

16 Ways to Speed Test Automation Using a CI/CD Pipeline

Stella Murugesan Developer Tips, Tricks & Resources

Test automation plays a significant role in software development. It improves speed, better detects errors and bugs, is repeatable, scalable, has broader coverage, and more. Let’s take a look at test automation using a CI/CD pipeline. In today’s competitive world, great speed in developing software, features, and fixes are vital. Automation has the potential to accelerate and streamline the processes of …

Reducing MTTR in the Field: 10 Simple Steps Using Retrace

Reducing MTTR in the Field: 10 Simple Steps Using Retrace

Ben Munat Developer Tips, Tricks & Resources

The last decade has ushered in a golden era of software engineering. The rise of cloud computing freed companies from managing their own data centers and provided on-demand scaling. These services allow for provisioning servers on the fly using configuration and code. Treating that task as just another type of software development led to the advent of DevOps. Cloud computing and …

Calculating MTTR: An Evolution Driven by the Rise of DevOps

Calculating MTTR: An Evolution Driven by the Rise of DevOps

Ben Munat Developer Tips, Tricks & Resources

The shift to cloud computing and the DevOps revolution have fueled some important changes in the way we think about software development and monitoring. It has delivered huge benefits to the companies that have fully embraced the approach. In fact, the DevOps Research and Assessment (DORA) 2018 industry survey found a new small group of “elite” performers that are deploying code far more often …

What Is MTTR?

What Is MTTR? A Simple Definition That Will Help Your Team

Ben Munat Developer Tips, Tricks & Resources

Mean time to resolution (MTTR) is defined as the sum of the total amount of time that service was interrupted divided by the number of individual incidents. The unit of measurement is some quantity of time. Ideally, you can use minutes as the unit. total downtime / # of incidents That is, unless you blacked out the eastern seaboard for weeks! …

Docker Build: A Beginner's Guide to Building Docker Images

Docker Build: A Beginner’s Guide to Building Docker Images

Samuel James Developer Tips, Tricks & Resources

Docker has changed the way we build, package, and deploy applications. But this concept of packaging apps in containers isn’t new—it was in existence long before Docker. Docker just made container technology easy for people to use. This is why Docker is a must-have in most development workflows today. Most likely, your dream company is using Docker right now. Docker’s official documentation has a lot …

Docker Swarm vs Kubernetes: A Helpful Guide for Picking One

Dave Rael Developer Tips, Tricks & Resources

Docker and Kubernetes have taken the software world by storm. DevOps, containers, and container management are at the center of most conversations about what’s relevant to technology. Tooling and services that ease running software in containers, therefore, occupy the minds of developers. Great tools and platforms create options and possibilities. They also create challenges in understanding available choices, though. If you have difficulty in …

AWS Lambda with Node.js: A Complete Getting Started Guide

AWS Lambda with Node.js: A Complete Getting Started Guide

Samuel James Developer Tips, Tricks & Resources

AWS Lambda is a service that confuses many people. For that reason, you may be wondering just how it works, and how you’d use it to build a highly scalable event-driven application. As someone who’s presumably no stranger to the internet, you must have seen the terms serverless, function-as-a-service, or AWS Lambda thrown across your screen a few times. Perhaps you’re …

AWS Lambda with Python: A Complete Getting Started Guide

AWS Lambda with Python: A Complete Getting Started Guide

Casey Dunham Developer Tips, Tricks & Resources

In this post, we’ll learn what Amazon Web Services (AWS) Lambda is, and why it might be a good idea to use for your next project. For a more in-depth introduction to serverless and Lambda, read AWS Lambda: Your Quick Start Guide to Going Serverless. In order to show how useful Lambda can be, we’ll walk through creating a simple Lambda function using …

Ruby Garbage Collection

How Does Ruby Garbage Collection Work? A Simple Tutorial

Ben Munat Developer Tips, Tricks & Resources

Ruby, like most other modern, high-level programming languages, doesn’t force you to manage memory. This feature is called garbage collection, or GC, and you get it for free in Ruby. You can write tons of Ruby code and never give a second thought to the fact that under the covers, Ruby is doing a bang-up job of allocating and freeing memory for …

AWS Lambda With Ruby: A Complete Getting Started Guide

AWS Lambda With Ruby: A Complete Getting Started Guide

Peter Grainger Developer Tips, Tricks & Resources

It’s five o’clock on a Friday afternoon. There are no new bug reports and everything is looking smooth. Your plan of a relaxing weekend is in sight when you get a call—the website you look after isn’t responding.  Yikes. AWS Lambda minimizes the chance of this truly terrifying event from happening by taking care of server maintenance while you focus …

AKS Cluster Performance

AKS Cluster Performance: How to Better Operate Kubernetes in Azure

Christian Melendez Developer Tips, Tricks & Resources

AKS is the managed service from Azure for Kubernetes. When you create an AKS cluster, Azure creates and operates the Kubernetes control plane for you at no cost. The only thing you do as a user is to say how many worker nodes you’d like, plus other configurations we’ll see in this post. So, with that in mind, how can …

Rails Migration

Rails Migration A Complete Guide

Eric Boersma Developer Tips, Tricks & Resources

A Rails migration is a tool for changing an application’s database schema. Instead of managing SQL scripts, you define database changes in a domain-specific language (DSL). The code is database-independent, so you can easily move your app to a new platform. You can roll migrations back, and manage them alongside your application source code. Let’s take a look at what Rails migrations …

Kubernetes vs Docker

Kubernetes vs Docker: How to Choose

Eric Boersma Developer Tips, Tricks & Resources

If you’re thinking about using containers to manage an application, there are a lot of options for technologies to use. It can be difficult to even know where to begin to make a decision. One common question is whether someone should use Docker vs Kubernetes for managing their application containers. This is a misleading question. In truth, Docker and Kubernetes …

Docker Image vs Container

Docker Image vs Container: Everything You Need to Know

Eric Boersma Developer Tips, Tricks & Resources

Docker is a powerful tool for creating and deploying applications. It simplifies rolling out applications across multiple systems and is a useful tool for integrating new technologies. An application that runs using Docker will start up the same every time on every system. This means that if the application works on your local computer, it’ll work anywhere that supports Docker. …