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metrics:
namenodes:
type: gauge
description: number of namenodes in the cluster
command: "charms.reactive is_state apache-bigtop-namenode.ready && su hdfs -c 'hdfs getconf -namenodes 2>/dev/null | wc -l' || echo 0"
offlinedatanodes:
type: gauge
description: number of dead datanodes in the cluster (must be run as hdfs)
command: "charms.reactive is_state apache-bigtop-namenode.ready && su hdfs -c 'hdfs dfsadmin -report -dead 2>/dev/null | grep -i datanodes | grep -o [0-9]' || echo 0"
onlinedatanodes:
type: gauge
description: number of live datanodes in the cluster (must be run as hdfs)
command: "charms.reactive is_state apache-bigtop-namenode.ready && su hdfs -c 'hdfs dfsadmin -report -live 2>/dev/null | grep -i datanodes | grep -o [0-9]' || echo 0"
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