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