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

id, title, sidebar_label, keywords

id	title	sidebar_label	keywords
apollo	Apollo Configuration Center	Apollo Configuration Center	Open Source Monitoring System Open Source Middleware Monitoring Apollo configuration center monitoring

Monitoring of general metrics for the Apollo Configuration Center service is performed by calling the Prometheus interface of the Apollo Configuration Center.

Prerequisites

1. Set up the Apollo configuration center according to the deployment documentation.
2. Visit http://${someIp:somePort}/prometheus to verify if you can access the metrics data. For more details, please refer to: Apollo Monitoring Documentation
3. Note⚠️: Starting from version 1.5.0, the Apollo server supports exposing Prometheus-formatted metrics via /prometheus.

Configuration parameters

Parameter Name	Parameter Help Description
Target Host	The monitored peer's IPv4, IPv6, or domain name. Note⚠️: Do not include protocol headers (e.g., https://, http://).
Port	Pulsar's webServicePort value, defaulting to 8080.
Task Name	The name identifying this monitoring task. The name must be unique.
Query Timeout	Set the connection timeout in milliseconds (ms). Default is 3000 ms.
Monitoring Cycle	The interval time for periodic data collection, measured in seconds. The minimum configurable interval is 30 seconds.
Binding Tags	Used for classifying and managing monitored resources
Description Notes	Additional identifiers and descriptive notes for this monitoring task. Users can add notes here.

Collection Metrics

Metric Set: Basic Information Metrics

Metric Name	Unit	Metric Help Description
application_ready_time_seconds	Seconds	Time taken for the application to transition from startup to ready state
process_uptime_seconds	seconds	Total time the process has been running
process_cpu_usage	%	Current process CPU usage

Metric Set: : JVM

Metric Name	Unit	Metric Help Description
system_cpu_usage	%	System CPU Usage
system_load_average_1m	None	System load average over the past minute
jvm_memory_committed_bytes	MB	Size of memory requested by the JVM from the operating system
jvm_memory_used_bytes	MB	JVM's current actual memory usage
jvm_memory_max_bytes	MB	Maximum memory limit available to the JVM
jvm_gc_pause_seconds_count	None	Total number of JVM GC pause events
jvm_gc_pause_seconds_sum	None	Total time spent in JVM GC pauses
jvm_memory_usage_after_gc_percent	None	JVM memory usage after garbage collection

Metric Set: System Resources

Metric Name	Unit	Metric Help Description
process_files_max_files	None	Limit on the maximum number of file descriptors a process may open
process_files_open_files	None	Number of file descriptors currently opened by the process