Tools / Apache HertzBeat Interview Questions
Define a collector in HertzBeat?
A collector is the lightweight module that actually performs data collection tasks handed to it by the manager. It executes the protocol-specific logic for a monitor — opening an SSH session, querying JMX, polling SNMP — and reports the resulting metrics back.
Collectors can run in public mode, joining a shared pool that serves monitors reachable from the main network, or in private mode inside an isolated network for cloud-edge collaboration. They register with the manager, report online/offline status, and can be scaled horizontally as a cluster.
A collector's core job is to:
A collector running inside an isolated network for cloud-edge use runs in:
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