def add_sampler(self, match_expression, sampling_rate):
        self.__num_redaction_and_sampling_rules += 1
        self.__sampler.add_rule(match_expression, sampling_rate)
mdadm provides raid functions for Linux
dataset/ETHPy150Open scalyr/scalyr-agent-2/scalyr_agent/log_processing.py/LogFileProcessor.add_sampler--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/mdadm.py/__virtual__