Critical Description
I checked hadoop counters after running a hive query on tez. The logs show two counters for BYTES_READ but does not differentiate between them. Here is the log line for counters
2014-12-12 15:17:10,102 INFO [AsyncDispatcher event handler] history.HistoryEventHandler: [HISTORY][DAG:dag_1418425019273_0003_1][Event:DAG_FINISHED]: dagId=dag_1418425019273_0003_1, startTime=1418426223988, finishTime=1418426230084, timeTaken=6096, status=SUCCEEDED, diagnostics=, counters=Counters: 49, org.apache.tez.common.counters.DAGCounter, NUM_SUCCEEDED_TASKS=7, TOTAL_LAUNCHED_TASKS=7, DATA_LOCAL_TASKS=6, File System Counters, BYTES_READ=250, BYTES_WRITTEN=358, READ_OPS=0, LARGE_READ_OPS=0, WRITE_OPS=0, BYTES_READ=7918626, BYTES_WRITTEN=8, READ_OPS=38, LARGE_READ_OPS=0, WRITE_OPS=2,