Meguro.rb#29 LT で話した内容です! puma v4 では「worker process に SIGTERM を送ると zombie process が生まれる」という挙動に変わりました。これが原因で問題が起きた弊社の経験を踏まえて、puma v4 で zombie process に気をつけようという話をしました。 https://megurorb.connpass.com/event/140137/
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