SpringBoot之actuator
2024-10-14 15:46:20
在springBoot中集成actuator可以很方便的管理和监控应用的状态。
暴露的Restful接口有：
| HTTP方法 | 路径 | 描述 | 鉴权 |
|---|---|---|---|
| GET | /autoconfig | 查看自动配置的使用情况 | true |
| GET | /configprops | 查看配置属性，包括默认配置 | true |
| GET | /beans | 查看bean及其关系列表 | true |
| GET | /dump | 打印线程栈 | true |
| GET | /env | 查看所有环境变量 | true |
| GET | /env/{name} | 查看具体变量值 | true |
| GET | /health | 查看应用健康指标 | false |
| GET | /info | 查看应用信息 | false |
| GET | /mappings | 查看所有url映射 | true |
| GET | /metrics | 查看应用基本指标 | true |
| GET | /metrics/{name} | 查看具体指标 | true |
| POST | /shutdown | 关闭应用 | true |
| GET | /trace | 查看基本追踪信息 | true |
其中有不少请求需要鉴权才能访问，由于我们的应用基本都是在通过Nginx暴露给外网的，我们可以在配置文件禁用鉴权拦截。
# 禁用actuator管理端鉴权
management.security.enabled=false
# 启用shutdown host:port/shutdown
endpoints.shutdown.enabled=true
# 禁用密码验证
endpoints.shutdown.sensitive=false
通过访问http://IP:port/metrics可以得到类似如下信息：
{
"mem": 372386,
"mem.free": 129077,
"processors": 4,
"instance.uptime": 12149,
"uptime": 20629,
"systemload.average": -1.0,
"heap.committed": 302080,
"heap.init": 129024,
"heap.used": 173002,
"heap": 1807872,
"nonheap.committed": 72448,
"nonheap.init": 2496,
"nonheap.used": 70307,
"nonheap": 0,
"threads.peak": 57,
"threads.daemon": 53,
"threads.totalStarted": 64,
"threads": 55,
"classes": 9724,
"classes.loaded": 9724,
"classes.unloaded": 0,
"gc.ps_scavenge.count": 11,
"gc.ps_scavenge.time": 151,
"gc.ps_marksweep.count": 2,
"gc.ps_marksweep.time": 242,
"counter.servo.eurekaserver.replication.batchsize.count": 0,
"counter.servo.eurekaserver.replication.batchsize.totaltime": 0,
"gauge.servo.eurekaserver.replication.batchsize.stddev": 0.0,
"gauge.servo.eurekaserver.replication.batchsize.percentile_50": 0.0,
"gauge.servo.eurekaserver.replication.batchsize.percentile_95": 0.0,
"gauge.servo.eurekaserver.replication.batchsize.percentile_99": 0.0,
"gauge.servo.eurekaserver.replication.batchsize.percentile_99_50": 0.0,
"counter.servo.eurekaserver.replication.acceptedtasks": 0,
"counter.servo.eurekaserver.replication.replayedtasks": 0,
"counter.servo.eurekaserver.replication.expiredtasks": 0,
"counter.servo.eurekaserver.replication.overriddentasks": 0,
"counter.servo.eurekaserver.replication.queueoverflows": 0,
"gauge.servo.eurekaserver.replication.acceptorqueuesize": 0,
"gauge.servo.eurekaserver.replication.pendingjobrequests": 1,
"gauge.servo.eurekaserver.replication.availablejobs": 0,
"gauge.servo.eurekaserver.replication.reprocessqueuesize": 0,
"gauge.servo.eurekaserver.replication.queuesize": 0,
"counter.servo.count": 0,
"counter.servo.count-minus-replication": 0,
"counter.servo.eurekaserver.replication.executiontime.count": 0,
"counter.servo.eurekaserver.replication.executiontime.totaltime": 0,
"gauge.servo.eurekaserver.replication.executiontime.stddev": 0.0,
"gauge.servo.eurekaserver.replication.executiontime.percentile_50": 0.0,
"gauge.servo.eurekaserver.replication.executiontime.percentile_95": 0.0,
"gauge.servo.eurekaserver.replication.executiontime.percentile_99": 0.0,
"gauge.servo.eurekaserver.replication.executiontime.percentile_99_50": 0.0,
"counter.servo.eurekaserver.replication.numberofsuccessfulexecutions": 0,
"counter.servo.eurekaserver.replication.numberoftransienterrors": 0,
"counter.servo.eurekaserver.replication.numberofpermanenterrors": 0,
"normalized.servo.serialize-all.totaltime": 0.0,
"normalized.servo.serialize-all.count": 0.0,
"gauge.servo.serialize-all.min": 0.0,
"gauge.servo.serialize-all.max": 0.0,
"normalized.servo.serialize-all-delta.totaltime": 0.0,
"normalized.servo.serialize-all-delta.count": 0.0,
"gauge.servo.serialize-all-delta.min": 0.0,
"gauge.servo.serialize-all-delta.max": 0.0,
"normalized.servo.serialize-all_remote_region.totaltime": 0.0,
"normalized.servo.serialize-all_remote_region.count": 0.0,
"gauge.servo.serialize-all_remote_region.min": 0.0,
"gauge.servo.serialize-all_remote_region.max": 0.0,
"normalized.servo.serialize-all-delta_remote_region.totaltime": 0.0,
"normalized.servo.serialize-all-delta_remote_region.count": 0.0,
"gauge.servo.serialize-all-delta_remote_region.min": 0.0,
"gauge.servo.serialize-all-delta_remote_region.max": 0.0,
"normalized.servo.serialize-one.totaltime": 0.0,
"normalized.servo.serialize-one.count": 0.0,
"gauge.servo.serialize-one.min": 0.0,
"gauge.servo.serialize-one.max": 0.0,
"normalized.servo.serialize-one-vip.totaltime": 0.0,
"normalized.servo.serialize-one-vip.count": 0.0,
"gauge.servo.serialize-one-vip.min": 0.0,
"gauge.servo.serialize-one-vip.max": 0.0,
"normalized.servo.compress-payload.totaltime": 0.0,
"normalized.servo.compress-payload.count": 0.0,
"gauge.servo.compress-payload.min": 0.0,
"gauge.servo.compress-payload.max": 0.0,
"gauge.servo.responsecachesize": 0,
"counter.servo.discovery-peernodeclient-localhost_reuse": 0,
"counter.servo.discovery-peernodeclient-localhost_createnew": 0,
"counter.servo.discovery-peernodeclient-localhost_request": 0,
"counter.servo.discovery-peernodeclient-localhost_release": 0,
"counter.servo.discovery-peernodeclient-localhost_delete": 0,
"normalized.servo.discovery-peernodeclient-localhost_requestconnectiontimer.totaltime": 0.0,
"normalized.servo.discovery-peernodeclient-localhost_requestconnectiontimer.count": 0.0,
"gauge.servo.discovery-peernodeclient-localhost_requestconnectiontimer.min": 0.0,
"gauge.servo.discovery-peernodeclient-localhost_requestconnectiontimer.max": 0.0,
"normalized.servo.discovery-peernodeclient-localhost_createconnectiontimer.totaltime": 0.0,
"normalized.servo.discovery-peernodeclient-localhost_createconnectiontimer.count": 0.0,
"gauge.servo.discovery-peernodeclient-localhost_createconnectiontimer.min": 0.0,
"gauge.servo.discovery-peernodeclient-localhost_createconnectiontimer.max": 0.0,
"gauge.servo.connectioncount": 0,
"gauge.servo.localregistrysize": 0,
"gauge.servo.numofreplicationsinlastmin": 0,
"gauge.servo.isbelowrenewthreshold": 0,
"gauge.servo.numofrenewsinlastmin": 0,
"gauge.servo.numofrenewsperminthreshold": 1,
"gauge.servo.numofelementsininstancecache": 0,
"normalized.servo.eureka-connection-cleaner-time.totaltime": 0.0,
"normalized.servo.eureka-connection-cleaner-time.count": 0.0,
"gauge.servo.eureka-connection-cleaner-time.min": 0.0,
"gauge.servo.eureka-connection-cleaner-time.max": 0.0,
"counter.servo.eureka-connection-cleaner-failure": 0,
"httpsessions.max": -1,
"httpsessions.active": 0
}
如果只关心某部分参数可以使用：http://IP:port/metrics/mem来查看特定参数的值
{"mem":373311}
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