def initialize(logdev, shift_age = 0, shift_size = 1048576)
super
class << @logdev
def shift_log_period(now)
age_file = age_file_name(now)
move_age_file_in_the_way(age_file)
def initialize(logdev, shift_age = 0, shift_size = 1048576)
super
class << @logdev
def shift_log_period(now)
age_file = age_file_name(now)
move_age_file_in_the_way(age_file)