wehub-resource-sync
77 lines
4.4 KiB
Markdown
77 lines
4.4 KiB
Markdown
---
|
||
id: jvm
|
||
title: Monitoring JVM
|
||
sidebar_label: JVM Monitor
|
||
keywords: [open source monitoring tool, open source java jvm monitoring tool, monitoring jvm metrics]
|
||
---
|
||
|
||
> Collect and monitor the general performance Metrics of JVM.
|
||
|
||
**Protocol Use：JMX**
|
||
|
||
## JVM App Enable JMX Protocol
|
||
|
||
1. Add JVM `VM options` When Start Server ⚠️ customIP
|
||
|
||
Refer: [https://docs.oracle.com/javase/1.5.0/docs/guide/management/agent.html#remote](https://docs.oracle.com/javase/1.5.0/docs/guide/management/agent.html#remote)
|
||
|
||
```shell
|
||
-Djava.rmi.server.hostname=customIP
|
||
-Dcom.sun.management.jmxremote.port=9999
|
||
-Dcom.sun.management.jmxremote.ssl=false
|
||
-Dcom.sun.management.jmxremote.authenticate=false
|
||
```
|
||
|
||
### 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 |
|
||
| Port | Port provided by JMX |
|
||
| Username | JMX connection user name, optional |
|
||
| Password | JMX connection password, optional |
|
||
| 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：memory_pool
|
||
|
||
| Metric name | Metric unit | Metric help description |
|
||
|-------------|-------------|-------------------------|
|
||
| name | | metrics name |
|
||
| committed | kb | total size |
|
||
| init | kb | init size |
|
||
| max | kb | max size |
|
||
| used | kb | used size |
|
||
|
||
#### Metrics Set：code_cache (Only Support JDK8)
|
||
|
||
| Metric name | Metric unit | Metric help description |
|
||
|-------------|-------------|-------------------------|
|
||
| committed | kb | total size |
|
||
| init | kb | init size |
|
||
| max | kb | max size |
|
||
| used | kb | used size |
|
||
|
||
#### Metrics Set：class_loading
|
||
|
||
| Metric name | Metric unit | Metric help description |
|
||
|-----------------------|-------------|--------------------------|
|
||
| LoadedClassCount | | Loaded Class Count |
|
||
| TotalLoadedClassCount | | Total Loaded Class Count |
|
||
| UnloadedClassCount | | Unloaded Class Count |
|
||
|
||
#### Metrics Set：thread
|
||
|
||
| Metric name | Metric unit | Metric help description |
|
||
|-------------------------|-------------|----------------------------|
|
||
| TotalStartedThreadCount | | Total Started Thread Count |
|
||
| ThreadCount | | Thread Count |
|
||
| PeakThreadCount | | Peak Thread Count |
|
||
| DaemonThreadCount | | Daemon Thread Count |
|
||
| CurrentThreadUserTime | ms | Current Thread User Time |
|
||
| CurrentThreadCpuTime | ms | Current Thread Cpu Time |
|