The Tez heuristics assume that all of the S3-related counters are
prefixed with either "S3A" or "S3N". In our case, it's simply "S3_",
so our Mapper heuristics all show 0 bytes read per task.
This updates the heuristics to include the "S3_*" counters (the
MapReduce heuristics already do this).
The Tez heuristics assume that all of the S3-related counters are prefixed with either "S3A" or "S3N". In our case, it's simply "S3_", so our Mapper heuristics all show 0 bytes read per task.
This updates the heuristics to include the "S3_*" counters (the MapReduce heuristics already do this).