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#6671 new
Brian Durand

BufferedLogger threading issues

Reported by Brian Durand | April 5th, 2011 @ 03:06 AM

There are a couple of threading issues with ActiveSupport::BufferedLogger.

  1. If a thread is spawned and logs messages but does not flush the log, the messages will never be written and will remain in the buffer forever.

threads = []
urls.each do |url
threads << do"fetching #{url}")
fetch(url)"#{url} retrieved")

end end
threads.each{|t| t.join}

  1. Silencing a logger for a block in one thread will silence it will silence it for all other threads as well. This means in a multi-threaded Rails application, log messages can be lost.

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