| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 152 of 152 | 0% | 10 of 10 | 0% | 11 | 11 | 45 | 45 | 6 | 6 |
| startApplication(OutputCollector, Reporter) | | 0% | | 0% | 2 | 2 | 12 | 12 | 1 | 1 |
| close() | | 0% | | 0% | 3 | 3 | 13 | 13 | 1 | 1 |
| reduce(WritableComparable, Iterator, OutputCollector, Reporter) | | 0% | | 0% | 3 | 3 | 9 | 9 | 1 | 1 |
| PipesReducer() | | 0% | n/a | 1 | 1 | 5 | 5 | 1 | 1 | |
| configure(JobConf) | | 0% | n/a | 1 | 1 | 4 | 4 | 1 | 1 | |
| static {...} | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |