Context: I am pretty new to OTP. In trying to learn it I’m creating an application that does the following (high level overview): users submit X number tasks to a GenServer. The GenServer iterates over the queue of tasks and creates a process for each task. Once the process is completed it will no…

This sounds a lot like the Task functionality in the Elixir standard library. Here’s some relevant discussion from 2018, complete with a code example: [image] Supervising async tasks Questions I was following this thread due to how common this use case is as e…

I believe this is what I needed, thank you @al2o3cr ! I’m going to give @joaquinalcerro implementation a shot.

@venomnert , Even though this code might work for your current use case you have to consider what happens if one of the tasks crashes. With this code, if one task crashes, your GenServer will also crash with your state because the Task is still sending the GenServer a message that is currently not …

You can also check this thread which has a complete example and explanation: [image] Proper use of Task.async? Questions As many of you may have realized by now (sorry for all the posts here) I’ve been working on a db problem where I’m trying to aggregate a la…

Note I just wanted to say thank you for taking the time to providing me with extra detailed information. My understanding I notice the main difference between the handle_info in the other thread and the one you have mention on this thread is the following: Here we are accepting any reasons for :…

@venomnert , So we are pattern matching the tuples with :EXIT and :DOWN one with the :normal atom and the other one with any reason (you need to pattern match all the cases). The normal case will match when the task finishes successfully without crashing and the other one when it crashes for any r…

Creating process from GenServer and passing state

Questions & Help Questions

joaquinalcerro October 28, 2019, 7:07pm 5

You can also check this thread which has a complete example and explanation:

Best regards,