Actuator
Spring-boot-actuator module 可帮助您在将应用程序投入生产时监视和管理应用程序。您可以选择使用 HTTP 端点或 JMX 来管理和监控您的应用程序。Auditing, health, and metrics gathering 也可以自动应用于您的应用程序。
添加依赖,开启监控
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency></dependencies>
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特性
Endpoints
Actuator endpoints
允许你去监控和操作你的应用。SpringBoot包含了许多内置的端点,当然你也可以添加自己的端点。比如health
端点就提供了基本的应用健康信息。Metrics
Spring Boot Actuator
提供dimensional metrics
通过集成 Micrometer.Audit
Spring Boot Actuator
有一套灵活的审计框架会发布事件到AuditEventRepository
。
2.0 更新
基础路径更新
基础路径由
/
调整到/actuator
下启动端点 endpoint
默认只启动了
health
和info
端点,可以通过application.yml
配置修改:management: endpoints: web: exposure: include: health,info,env,metrics
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项目启动时可以看到暴露出来的接口信息:
主要的端点
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 通过web访问暴露的端点
http://localhost:8077/actuator/metrics
{"names":["jvm.memory.max","process.files.max","jvm.gc.memory.promoted","tomcat.cache.hit","system.load.average.1m","tomcat.cache.access","jvm.memory.used","jvm.gc.max.data.size","jvm.memory.committed","system.cpu.count","logback.events","tomcat.global.sent","jvm.buffer.memory.used","tomcat.sessions.created","jvm.threads.daemon","system.cpu.usage","jvm.gc.memory.allocated","tomcat.global.request.max","tomcat.global.request","tomcat.sessions.expired","jvm.threads.live","jvm.threads.peak","tomcat.global.received","process.uptime","tomcat.sessions.rejected","process.cpu.usage","tomcat.threads.config.max","jvm.classes.loaded","jvm.gc.pause","jvm.classes.unloaded","tomcat.global.error","tomcat.sessions.active.current","tomcat.sessions.alive.max","jvm.gc.live.data.size","tomcat.servlet.request.max","tomcat.threads.current","tomcat.servlet.request","process.files.open","jvm.buffer.count","jvm.buffer.total.capacity","tomcat.sessions.active.max","tomcat.threads.busy","process.start.time","tomcat.servlet.error"]}
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http://localhost:8077/actuator/metrics/jvm.memory.max
{"name":"jvm.memory.max","measurements":[{"statistic":"VALUE","value":3.455057919E9}],"availableTags":[{"tag":"area","values":["heap","nonheap"]},{"tag":"id","values":["Compressed Class Space","PS Survivor Space","PS Old Gen","Metaspace","PS Eden Space","Code Cache"]}]}
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Micrometer
Springboot2
在 spring-boot-actuator
中引入了 micrometer
,对 1.x
的 metrics
进行了重构,另外支持对接的监控系统也更加丰富( Atlas、Datadog、Ganglia、Graphite、Influx、JMX、NewRelic、Prometheus、SignalFx、StatsD、Wavefront
)。
Prometheus
Influx
添加依赖
<dependency> <groupId>io.micrometer</groupId> <artifactId>micrometer-registry-influx</artifactId></dependency>
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