Worker Restart Options

Up till now, we’ve seen how the supervision strategy tells the supervisor to deal with the death of a child process.

There’s a second level of configuration that applies to individual workers. The most commonly used of these is the :restart option.

Previously, we said that a supervisor strategy (such as :one_for_all) is invoked when a worker dies. That’s not strictly true. Instead, the strategy is invoked when a worker needs restarting. And the conditions when a worker should be restarted are dictated by its restart: option:

• If :permanent, this ...