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Want a supervised task to finish (not get killed) during rolling #ElixirLang deployments? Simply trap the exit: Task.Supervisor.start_child( MyApp.TaskSupervisor, fn -> Process.flag(:trap_exit, true) do_work() end ) The task will have 5 seconds to finish.

Yevhenii Kurtov

@yevhenii.kurtov.pro

2 Nov 2025

Mia five seconds period defined by os or beam?

Elixir ▷ Max

@mxgrn.com

It's a Task.Supervisor.start_child default (see the :shutdown option).

2/11/25, 8:23 am0 reposts0 likes

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