Normal lookup: Normal lookup has less memory so that if reference tables having fewer amounts of data prefer to use Normal lookup. The third point specifies about tuning the performance of job. I want to process 3 files in sequentially one by one, how I can do that while processing the files it should fetch files automatically. Suppose you have a source and target and a transformer in between that does some processing, applying fns etc. My solution to that is using multiple chunks of data and multiple aggregators.
nest...