| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 45 of 45 | 0% | 2 of 2 | 0% | 3 | 3 | 8 | 8 | 2 | 2 |
| map(NullWritable, SummationWritable, Mapper.Context) | | 0% | | 0% | 2 | 2 | 7 | 7 | 1 | 1 |
| DistSum.ReduceSide.PartitionMapper() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |