HDFS Cache Directive Metrics
Metric Name | Description | Unit | CDH Version |
---|---|---|---|
cache_needed | The cache space needed by the HDFS cache directive. | bytes | CDH 5, CDH 6 |
cache_used | The total cache used. | bytes | CDH 5, CDH 6 |
files_cached | The number of files cached by the HDFS cache directive. | files | CDH 5, CDH 6 |
files_needed | The number of files needed by the HDFS cache directive. | files | CDH 5, CDH 6 |