class ActiveSupport::Cache::Store

def instrument(operation, key, options = nil)

def instrument(operation, key, options = nil)
  if logger && logger.debug? && !silence?
    logger.debug "Cache #{operation}: #{normalize_key(key, options)}#{options.blank? ? "" : " (#{options.inspect})"}"
  end
  payload = { key: key, store: self.class.name }
  payload.merge!(options) if options.is_a?(Hash)
  ActiveSupport::Notifications.instrument("cache_#{operation}.active_support", payload) { yield(payload) }
end