July 2021
Intermediate to advanced
176 pages
4h 14m
English
Content preview from Concurrent Data Processing in ElixirBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2Long-Running Processes Using GenServer
The Task module is useful for running single async functions, but as logic becomes more complex, you will need a sharper tool. In this chapter, we’ll look at how to create long-lived processes that also run in the background, but offer greater control and more flexibility.
Concurrent work often takes a long time to complete, such as when you are importing a large amount of user data from another service or relying on third-party APIs, for example. This presents several challenges when using the Task module. What if an API service goes briefly offline or a network error causes the task to fail? Do you need to increase the :timeout setting because the network is slow? How do you show progress to ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.