TezCounter spilledRecordsCounter = counters.findCounter(TaskCounter.SPILLED_RECORDS);
TezCounter additionalSpillBytesWritternCounter = counters
.findCounter(TaskCounter.ADDITIONAL_SPILLS_BYTES_WRITTEN);
TezCounter additionalSpillBytesReadCounter = counters
.findCounter(TaskCounter.ADDITIONAL_SPILLS_BYTES_READ);
TezCounter numAdditionalSpillsCounter = counters
.findCounter(TaskCounter.ADDITIONAL_SPILL_COUNT);
assertEquals(numRecordsWritten * sizePerRecord, outputRecordBytesCounter.getValue());
assertEquals(numRecordsWritten, outputRecordsCounter.getValue());
assertEquals(numRecordsWritten * sizePerRecordWithOverhead,
outputBytesWithOverheadCounter.getValue());