Attempt Metrics
| Metric Name | Description | Unit | Version |
|---|---|---|---|
| combine_input_records | Number of input records to combiner | records | CDH 5 |
| combine_output_records | Number of records output by combiner | records | CDH 5 |
| cpu_system | Kernel CPU time used (CPUs / s) | CPU seconds per second | CDH 5 |
| cpu_system_rate | Total System CPU | seconds per second | CDH 5 |
| cpu_user | Current User CPUs | CPU seconds per second | CDH 5 |
| cpu_user_rate | Total CPU user time | seconds per second | CDH 5 |
| disk_read_rate | Reads from local disk (bytes) | bytes per second | CDH 5 |
| disk_write_rate | Writes to local disk (bytes) | bytes per second | CDH 5 |
| hdfs_read_rate | Reads from HDFS (bytes) | bytes per second | CDH 5 |
| hdfs_write_rate | Writes to HDFS (bytes) | bytes per second | CDH 5 |
| map_input_bytes | Input to map task (bytes) | bytes | CDH 5 |
| map_input_records | Number of input records to map task | records | CDH 5 |
| map_output_bytes | Output from map task (bytes) | bytes | CDH 5 |
| map_output_records | Number of records output by map task | records | CDH 5 |
| mem_rss | Resident memory used | bytes | CDH 5 |
| mem_virtual | Virtual memory used | bytes | CDH 5 |
| progress | Attempt completion (%) | percent | CDH 5 |
| reduce_input_records | Number of records input to reduce task | records | CDH 5 |
| reduce_output_records | Number of records output by reduce task | records | CDH 5 |
| reduce_shuffle_bytes | Number of bytes in reduce shuffle | bytes | CDH 5 |
| spilled_records_rate | Number of spilled records | records per second | CDH 5 |
