This is such a tease! The only thing that's really clear from this post is that the process of moving logs file from EC2 instances to S3 machines before running

This is such a tease! The only thing that's really clear from this post is that the process of moving logs file from EC2 instances to S3 machines before running an EMR job can now be done with the Data Pipeline, rather than cron jobs. That's great, but I hope there's a bit more to it. Edit: Reading the article again, I think the most interesting part is the Task Runner, which presumably would allow me to have custom behaviours... but the kinds of things I can do are still really unclear.