Parameters Used to idenNfy the task From arguments or from configuraNon Many types of Parameters (int, date, boolean, date range, Nme delta, dict, enum)
Targets Resources produced by a Task Typically Local files or files distributed file system (HDFS) Must implement the method exists()
Many targets available
Conclusion Luigi is a mature, baVeries-‐included alternaNve for building data pipelines Lacks of powerful visualizaNon of the pipelines Requires a external way of launching jobs (i.e. cron). Hard to debug MR Jobs