This is actually the old SAX vs DOM xml parsing discussion in disguise. SAX is harder but has at least two key strongly related benefits: 1. Can handle a conti

This is actually the old SAX vs DOM xml parsing discussion in disguise. SAX is harder but has at least two key strongly related benefits: 1. Can handle a continuous firehose 2. Processing can start before the load is completed (because it might never be completed) so the time to first useful action can be greatly reduced.