apache--hertzbeat/home/docs/help/flink.md

id, title, sidebar_label, keywords

id	title	sidebar_label	keywords
flink	Monitoring Flink	Flink	open source monitoring tool open source flink monitoring tool

Collect and monitor the general performance Metrics of Flink.

Configuration parameter

Parameter Name	Parameter Help Description
Monitor Host	The monitored peer IPV4, IPV6, or domain name. Note: Do not include protocol headers (e.g., https://, http://).
Task Name	Identifier for this monitoring task, name must be unique.
Port	Monitoring port.
Query Timeout	Sets the timeout for JVM connection in milliseconds, default is 3000 milliseconds.
SSL	Whether to enable SSL (default is off).
Username	Connection username.
Password	Connection password.
Collection Interval	Interval for periodic data collection during monitoring, in seconds. The minimum settable interval is 30 seconds.
Whether to detect	Whether to perform a probe check for monitoring availability before adding a new monitor; operations proceed if successful.
Description Remarks	Additional identifiers and descriptions for this monitoring, where users can note information.

Collection Metrics

Metrics Set：Overview

Metric Name	Metric Unit	Metric Help Description
slots_total	Units	Total number of slots.
slots_used	Units	Number of slots used.
task_total	Units	Total number of tasks.
jobs_running	Units	Number of jobs running.
jobs_failed	Units	Number of jobs failed.