This week's book giveaways are in the Cloud and AI/ML forums. We're giving away four copies each of Cloud Native Patterns and Natural Language Processing and have the authors on-line! See this thread and this one for details.
I just have a little idea about it that the task is distributed among the "workers" and they help balancing the load of the task.
Since I'm a beginner, could you just tell me about workers, are they piece of software, library, hardware. Are they separate from an app? Are they add-on to a web app? Why are they exactly used for? How would you add a worker in your app?