wehub-resource-sync
95 lines
5.0 KiB
Markdown
95 lines
5.0 KiB
Markdown
---
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id: jetty
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title: Monitoring Jetty Web Server
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sidebar_label: Jetty Web Server
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keywords: [open source monitoring tool, open source jetty web server monitoring tool, monitoring jetty metrics]
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---
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> Collect and monitor general performance metrics of Jetty application server
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**Usage protocol: JMX**
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## Pre-monitoring Operations
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>
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> You need to enable the `JMX` service in the JVM application. HertzBeat uses the JMX protocol to collect metrics for the JVM.
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### Jetty application server opens JMX protocol steps
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[Refer to official documentation](https://www.eclipse.org/jetty/documentation/jetty-10/operations-guide/index.html#og-jmx-remote)
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1. Start the JMX JMX-REMOTE module in Jetty
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```shell
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java -jar $JETTY_HOME/start.jar --add-module=jmx
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java -jar $JETTY_HOME/start.jar --add-module=jmx-remote
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```
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Successful command execution will create ``JETTY_BASE`/start.d/jmx-remote.ini` configuration file
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2. Edit the ``JETTY_BASE`/start.d/jmx-remote.ini` configuration file to modify the JMX IP port and other parameters.
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**`localhost` needs to be modified to expose the IP**
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```text
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## The host/address to bind the RMI server to.
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# jetty.jmxremote.rmiserverhost=localhost
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## The port the RMI server listens to (0 means a random port is chosen).
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# jetty.jmxremote.rmiserverport=1099
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## The host/address to bind the RMI registry to.
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# jetty.jmxremote.rmiregistryhost=localhost
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## The port the RMI registry listens to.
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# jetty.jmxremote.rmiregistryport=1099
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## The host name exported in the RMI stub.
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-Djava.rmi.server.hostname=localhost
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```
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3. Restart Jetty Server.
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### Configuration parameter
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| Parameter name | Parameter help description |
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|---------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| Monitoring Host | Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://) |
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| Monitoring name | Identify the name of this monitoring. The name needs to be unique |
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| Port | Port provided by JMX |
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| Username | JMX connection user name, optional |
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| Password | JMX connection password, optional |
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| Collection interval | Interval time of monitor periodic data collection, unit: second, and the minimum interval that can be set is 30 seconds |
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| 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 |
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| Description remarks | For more information about identifying and describing this monitoring, users can note information here |
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### Collection Metrics
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#### Metrics Set：memory_pool
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| Metric name | Metric unit | Metric help description |
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|-------------|-------------|-------------------------|
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| name | | metrics name |
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| committed | kb | total size |
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| init | kb | init size |
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| max | kb | max size |
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| used | kb | used size |
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#### Metrics Set：class_loading
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| Metric name | Metric unit | Metric help description |
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|-----------------------|-------------|--------------------------|
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| LoadedClassCount | | Loaded Class Count |
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| TotalLoadedClassCount | | Total Loaded Class Count |
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| UnloadedClassCount | | Unloaded Class Count |
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#### Metrics Set：thread
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| Metric name | Metric unit | Metric help description |
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|-------------------------|-------------|----------------------------|
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| TotalStartedThreadCount | | Total Started Thread Count |
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| ThreadCount | | Thread Count |
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| PeakThreadCount | | Peak Thread Count |
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| DaemonThreadCount | | Daemon Thread Count |
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| CurrentThreadUserTime | ms | Current Thread User Time |
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| CurrentThreadCpuTime | ms | Current Thread Cpu Time |
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