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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Implementing a Supervisor
So far we have used two types of supervisors—Task.Supervisor and DynamicSupervisor. They’re great because they allow you to start processes on demand. However, they are both made with a specific goal in mind, and sometimes you will need greater configurability over how the supervisor works.
This is why you will often reach for the Supervisor behaviour to create your own supervisor from scratch. In this section, we will create a supervisor using the Supervisor behaviour, and put it in front of each Job process.
We already learned supervisors can restart child processes, and we saw how the :permanent and :transient restart values work. The last setting we haven’t used is :temporary. This value tells the supervisor to ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.