Node	CLDB	ZooKeeper	RM	HistoryServer	NodeManager	Fileserver	Metrics
1	✅	✅			✅	✅	✅
2	✅	✅			✅	✅	✅
3	✅	✅			✅	✅	✅
4			✅	✅	✅	✅	✅
5					✅	✅	✅
6					✅	✅	✅
7					✅	✅	✅
8					✅	✅	✅
9					✅	✅	✅
10					✅	✅	✅
11					✅	✅	✅
12					✅	✅	✅

MapR Metrics Overview

🧩 Built-In Components

• mapr-metrics: Core service that collects and stores metrics data
• mapr-metrics-collector: Gathers performance metrics and feeds them into MapR Monitoring DB
• mapr-metrics-role: Enables metrics roles on all nodes

Install these packages on each node (especially CLDB and RM nodes):

bashCopyEdityum install -y mapr-metrics mapr-metrics-collector