Review Request 65941: Avoid scheduling on the same host the ancestor of a task recently failed on

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/65941/ --- Review request for Aurora, David McLaughlin, Santhosh Kumar Shanmugham, and Step

Re: Review Request 65941: Avoid scheduling on the same host the ancestor of a task recently failed on

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/65941/#review198769 --- Ship it! Master (a12b844) is green with this patch. ./build-s