chore: import upstream snapshot with attribution
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wehub-resource-sync
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---
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id: nacos
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title: Monitoring：Nacos Server monitoring
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sidebar_label: Nacos Server
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keywords: [open source monitoring tool, open source middleware monitoring tool, monitoring Nacos Server metrics]
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---
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> HertzBeat monitors metrics of the Nacos Server by calling the Nacos Metrics Api.
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## PreRequisites
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### Deploy Nacos cluster to expose metrics data
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1. Deploy the Nacos cluster according to [deployment document](https://nacos.io/en-us/docs/deployment.html).
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2. Configure the application. properties file to expose metrics data.
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```properties
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management.endpoints.web.exposure.include=*
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```
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3. Access ```{ip}:8848/nacos/actuator/prometheus``` to see if metrics data can be accessed.
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More information see [Nacos monitor guide](https://nacos.io/en-us/docs/monitor-guide.html).
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### Configuration parameter
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| Parameter name | Parameter help description |
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|---------------------|-------------------------------------------------------------------------------------------------------------------------|
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| Target Host | Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://) |
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| Target name | Identify the name of this monitoring. The name needs to be unique |
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| Nacos Port | Port provided by the Nacos Server. The default is 8848 |
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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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| Description remarks | For more information about identifying and describing this monitoring, users can note information here |
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### Collection Metric
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#### Metric set：jvm
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| Metric name | Metric unit | Metric help description |
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|----------------------------|-------------|-------------------------|
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| system_cpu_usage | none | cpu usage |
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| system_load_average_1m | none | load |
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| jvm_memory_used_bytes | byte | jvm memory used |
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| jvm_memory_max_bytes | byte | jvm max memory |
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| jvm_gc_pause_seconds_count | none | gc count |
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| jvm_gc_pause_seconds_sum | second | gc time |
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| jvm_threads_daemon | none | jvm threads count |
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#### Metric set：Nacos
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| Metric name | Metric unit | Metric help description |
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|----------------------------------------|-------------|-----------------------------------------|
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| http_server_requests_seconds_count | second | http requests count |
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| http_server_requests_seconds_sum | second | http requests time |
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| nacos_timer_seconds_sum | second | Nacos config notify time |
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| nacos_timer_seconds_count | none | Nacos config notify count |
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| nacos_monitor`{name="longPolling"}` | none | Nacos config connection count |
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| nacos_monitor`{name="configCount"}` | none | Nacos configuration file count |
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| nacos_monitor`{name="dumpTask"}` | none | Nacos config dump task count |
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| nacos_monitor`{name="notifyTask"}` | none | Nacos config notify task count |
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| nacos_monitor`{name="getConfig"}` | none | Nacos config read configuration count |
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| nacos_monitor`{name="publish"}` | none | Nacos config update configuration count |
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| nacos_monitor`{name="ipCount"}` | none | Nacos naming ip count |
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| nacos_monitor`{name="domCount"}` | none | Nacos naming domain count(1.x version) |
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| nacos_monitor`{name="serviceCount"}` | none | Nacos naming domain count(2.x version) |
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| nacos_monitor`{name="failedPush"}` | none | Nacos naming push fail count |
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| nacos_monitor`{name="avgPushCost"}` | second | Nacos naming push cost time(average) |
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| nacos_monitor`{name="leaderStatus"}` | none | Nacos naming if node is leader |
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| nacos_monitor`{name="maxPushCost"}` | second | Nacos naming push cost time(max) |
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| nacos_monitor`{name="mysqlhealthCheck"}` | none | Nacos naming mysql health check count |
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| nacos_monitor`{name="httpHealthCheck"}` | none | Nacos naming http health check count |
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| nacos_monitor`{name="tcpHealthCheck"}` | none | Nacos naming tcp health check count |
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#### Metric set：Nacos exception
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| Metric name | Metric unit | Metric help description |
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|----------------------------------------------------|-------------|------------------------------------------------|
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| nacos_exception_total`{name="db"}` | none | database exception |
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| nacos_exception_total`{name="configNotify"}` | none | Nacos config notify exception |
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| nacos_exception_total`{name="unhealth"}` | none | Nacos config server health check exception |
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| nacos_exception_total`{name="disk"}` | none | Nacos naming write disk exception |
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| nacos_exception_total`{name="leaderSendBeatFailed"}` | none | Nacos naming leader send heart beat fail count |
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| nacos_exception_total`{name="illegalArgument"}` | none | request argument illegal count |
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| nacos_exception_total`{name="nacos"}` | none | Nacos inner exception |
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#### Metric set：client
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| Metric name | Metric unit | Metric help description |
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|----------------------------------------|-------------|-----------------------------------|
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| nacos_monitor`{name="subServiceCount"}` | none | subscribed services count |
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| nacos_monitor`{name="pubServiceCount"}` | none | published services count |
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| nacos_monitor`{name="configListenSize"}` | none | listened configuration file count |
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| nacos_client_request_seconds_count | none | request count |
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| nacos_client_request_seconds_sum | second | request time |
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