Ruby on rails log file size too large

Question

I stumbled to learn that my rails3.1 log file is super large, around 21mb. Is this, in terms of size normal? What the log file would like in the production environment? Besides,

Answer 1

Yes, You can using syntax like this:

config.logger = ActiveSupport::Logger.new(config.log_file, num_of_file_to_keep, num_of_MB*1024*1024)

Example:

config.logger = ActiveSupport::Logger.new(config.log_file, 2, 20*1024*1024)

It not only using for Rails log, you can using log file of any services run with rails, such as: rpush log, ...