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Getting Started

What Does This Course Cover?Course Prerequisites and Intended Audience

Easy Concurrency with the Task Module

Introduction to Concurrency

An Introduction to the Task Module

Create the Playground

Start Tasks and Retrieve Results

Synchronous vs. Asynchronous Programs

Retrieve a Task’s Results

Use the await and yield Functions to Retrieve Results

Stop a Task and Async Task

Manage a Series of Tasks

Parameters of the async_stream Function

Meet the Supervisor

Use Task.Supervisor

Understand the “Let It Crash” Philosophy

Quiz: Easy Concurrency with the Task Module

Long-Running Processes Using GenServer

Long-running Processes and Starting GenServer GenServer Callbacks: init GenServer Callbacks: handle_continue and handle_call Genserver Callbacks: handle_cast GenServer Callbacks: handle_info GenServer Callbacks: terminate Make Improvements to Our GenServer The blueprint of our job-processing system How to Use Anonymous Functions Introduce DynamicSupervisor Process Restart Values and Frequency Implement a Supervisor Supervisor Strategies Registry Processes Register New Processes and Query the Registry Limit Concurrency and Inspect the Supervisors Examine Running Processes and Stop the Supervisors Wrapping Up Quiz: Long-running Processes Using GenServer

Data Processing Pipelines with GenStage

Back-Pressure Introduce GenStage The Producer and Consumer Build the Data Processing Pipeline Understand Consumer Demand Revisiting the Producer Add More Consumers and Buffer Events Add Concurrency With ConsumerSupervisor Create Multi-stage Data Pipelines Scale Up a Stage with Extra Processes Choose the Right Dispatcher Wrapping Up Quiz: Data Processing Pipelines with GenStage

Process Collections with Flow

Introduction to the Flow Library

Improve Performance with Streams

Run Streams Concurrently and Understand Flows

The reduce Function

Route Events with Partitions

Windows and Triggers

Get Snapshots from Slow-running or Infinite Flows

Add Flow to a GenStage Pipeline

Quiz: Process Collections with Flow

Data Ingestion Pipelines with Broadway

Introduction to the Broadway Library Process Ticketing Events The Details of Broadway Callbacks Implement handle_message/3 Implement prepare_messages/2 Implement handle_failed/3 Batch Messages Implement Batching and handle_batch/4 Static Batching Use Dynamic Batching Adjust Batch Size and Timeout Use GenStage Producers Configure the Scraping Pipeline Wrapping Up Quiz: Data Ingestion Pipelines with Broadway

Concluding the Course

Concurrent Data Processing in Elixir/

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Wrapping Up

Wrapping Up

Get a recap of what we've covered in this chapter.

We'll cover the following...

Use Enum and Stream with Flow
Uses of Flow

When it comes to data processing operations like map, filter ...