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

id, title, sidebar_label, keywords

id	title	sidebar_label	keywords
ntp	Monitoring NTP	NTP Monitor	open source monitoring tool open source NTP monitoring tool monitoring NTP metrics

Collect and monitor the general performance Metrics of NTP.

Protocol Use：NTP

Configuration parameter

Parameter name	Parameter help description
Monitoring Host	Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://)
Monitoring name	Identify the name of this monitoring. The name needs to be unique
Collection interval	Interval time of monitor periodic data collection, unit: second, and the minimum interval that can be set is 30 seconds
Whether to detect	Whether to detect and check the availability of monitoring before adding monitoring. Adding and modifying operations will continue only after the detection is successful
Description remarks	For more information about identifying and describing this monitoring, users can note information here

Collection Metrics

Metrics Set：summary

Metric name	Metric unit	Metric help description
responseTime	ms	The time it takes for the NTP server to respond to a request).
time	ms	The current time reported by the NTP server).
date		The date corresponding to the current time reported by the NTP server).
offset	ms	The time difference between the NTP server's clock and the client's clock).
delay	ms	The time it takes for a request to reach the NTP server and for the response to return).
version		The version number of the NTP protocol used by the server).
mode		The operating mode of the NTP server, such as client, server, or broadcast).
stratum		The stratumevel of the NTP server, indicating its distance from a reference clock).
referenceId		An identifier that indicates the reference clock or time source used by the NTP server).
precision		The precision of the NTP server's clock, indicating its accuracy).