| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 94 of 94 | 0% | 2 of 2 | 0% | 6 | 6 | 29 | 29 | 5 | 5 |
| map(Text, LongWritable, OutputCollector, Reporter) | | 0% | | 0% | 2 | 2 | 13 | 13 | 1 | 1 |
| configure(JobConf) | | 0% | n/a | 1 | 1 | 12 | 12 | 1 | 1 | |
| IOMapperBase() | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 | |
| getIOStream(String) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| close() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |