| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 27 of 27 | 0% | 4 of 4 | 0% | 5 | 5 | 9 | 9 | 3 | 3 |
| reduce(LongWritable, Iterator, OutputCollector, Reporter) | | 0% | | 0% | 3 | 3 | 6 | 6 | 1 | 1 |
| configure(JobConf) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| TestLazyOutput.TestReducer() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |