Go Concurrency Patterns(Fan-out/Fan-in Pattern)

Overview

The Fan-out/Fan-in pattern is a concurrency pattern that distributes work across multiple workers (fan-out) and then collects results from all workers (fan-in). This pattern is essential for parallel processing of independent tasks, load balancing, and improving throughput for CPU-intensive operations.

NOTE: For other posts on concurrency patterns, check out the index post to this series of concurrency patterns.

Implementation Details

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Go Concurrency Patterns(Pipeline Pattern)

Overview

The Pipeline pattern is a fundamental concurrency pattern that connects multiple stages of processing where each stage processes data and passes it to the next stage. This pattern is particularly useful for data transformation workflows, stream processing, and multi-step computations.

NOTE: For other posts on concurrency patterns, check out the index post to this series of concurrency patterns.

Implementation Details

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Concurrency Patterns in Go: A *Short* Deep Dive Series

Introduction

Concurrency is one of those topics that can make even experienced developers break out in a cold sweat. It’s like trying to juggle flaming chainsaws while riding a unicycle on a tightrope. But here’s the thing – in today’s world of multi-core processors, distributed systems, and high-performance applications, understanding concurrency isn’t just a nice-to-have skill; it’s absolutely essential.

Go, with its goroutines and channels, makes concurrency more approachable than most languages. But just because it’s easier doesn’t mean it’s easy. You still need to understand the patterns, the pitfalls, and the best practices to build robust, scalable systems.

That’s what this series is about. We’re going to dive deep into the concurrency patterns that every Go developer should know. Not just the theory – we’ll look at real, working code examples that you can run, modify, and learn from. This blog post is going to also act as the index to the posts, with today starting with the Pipeline Pattern.

What You’ll Learn

This series covers 12 essential concurrency patterns, each with practical examples and detailed explanations. Here’s what’s coming:

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MongoDB Atlas SDK: A Modern Toolkit

Lately, I’ve been diving into the MongoDB Atlas SDK, and it’s clear that this tool isn’t just about simplifying interactions with Atlas it’s about reimagining the developer experience across multiple languages. Whether you’re a JavaScript junkie or a polyglot juggling Go, Java, and C#, the Atlas SDK aims to be an intuitive, powerful addition to your toolkit.

In this post, I’ll break down some of the core features of the Atlas SDK, share some hands-on experiences, and extend my exploration with examples in Go, Java, and C#. If you’ve ever wished that managing your clusters and configurations could be more straightforward and less “boilerplate heavy,” keep reading.

A Quick Recap: What the Atlas SDK Brings to the Table

At its heart, the MongoDB Atlas SDK abstracts the underlying Atlas API, making it easier to work with managed clusters, deployments, and security configurations. Here are a few standout features:

  • Intuitive API: The SDK feels natural, following patterns that resonate with MongoDB’s broader ecosystem. It’s almost always nice to just call into a set of SDK libraries vs. writing up an entire layer to call and manage the calls to an API tier itself.
  • Robust Functionality: It covers everything from cluster management to advanced security settings.
  • Modern Practices: Asynchronous and promise-based (or equivalent in your language of choice), the SDK fits snugly into today’s development paradigms.
  • Streamlined Setup: Detailed documentation and easy configuration mean you can spend more time coding and less time wrestling with setup.
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Calculating IP Address Ranges in Go: Learn IPv4 Range Between Addresses

Programming Problems & Solutions : “Exploring IP Address Ranges in Go”. The introduction to this series is here and includes all links to every post in the series. This is the 8th of a dozen programming challenges I’m doing to setup for an eventual blog post on AI coding. The intent is to setup these programming challenges, get a solution, find a good refactoring, and then see how the AI tooling performs going through the same thing or refactoring what is in place. If you’re interested in how AI performs, and checking out these experiments and tests, subscribe to the blog to have the articles delivered directly to your email!

Hey there, fellow code adventurers! Today, we’re diving into the world of IP addresses and ranges. We’ve got an exciting coding challenge on our hands, and we’ll be tackling it using the Go programming language. So, grab your favorite beverage, and let’s get started!

The Challenge

Our mission, should we choose to accept it, is to implement a function that takes two IPv4 addresses as input and returns the number of addresses between them (including the first one, but excluding the last one). We’ll be working with valid IPv4 addresses in the form of strings, and the last address will always be greater than the first one.

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