Is ruby logger thread(process)-safe? at RubyConf 2013

Is ruby logger thread(process)-safe? at RubyConf 2013 This document discusses the thread and process safety of the Ruby Logger. It was found that while Logger is thread-safe due to use of a mutex, it is not process-safe as the mutex does not work across processes. The author contributed a fix to Ruby core that uses flock to lock access to logs across processes, ensuring process-safe logging. The f

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Ruby 2.1.0からロガー