max-age-data-hours will cause it to delete data on HDFS that is older than this number of hours. This means that subsequent models will be built on historical data that does not include data older than this time. That's all there is to it.
max-age-data-hours will cause it to delete data on HDFS that is older than this number of hours. This means that subsequent models will be built on historical data that does not include data older than this time. That's all there is to it.