Using Ambari Core Services
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Druid Home

Metrics that show operating status for Druid.

Table 1. Druid home metrics descriptions
Row Metrics Description
DRUID BROKER JVM Heap JVM Heap used by the Druid Broker Node.
JVM GCM Time Time spent by the Druid Broker Node in JVM Garbage collection.
DRUID HISTORICAL JVM Heap JVM Heap used by the Druid Historical Node.
JVM GCM Time Time spent by the Druid Historical Node in JVM Garbage collection.
DRUID COORDINATER JVM Heap JVM Heap used by the Druid Coordinator Node.
JVM GCM Time Time spent by the Druid Coordinator Node in JVM Garbage collection.
DRUID OVERLORD JVM Heap JVM Heap used by the Druid Overlord Node.
JVM GCM Time Time spent by the Druid Overlord Node in JVM Garbage collection.
DRUID MIDDLEMANAGER JVM Heap JVM Heap used by the Druid Middlemanager Node.
JVM GCM Time Time spent by the Druid Middlemanager Node in JVM Garbage collection.