springboot 监控

springboot
2 minutes read (About 272 words)

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依赖

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
    <groupId>io.micrometer</groupId>
    <artifactId>micrometer-registry-prometheus</artifactId>
</dependency>

config

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management:
    endpoints:
        web:
            exposure:
                include: "prometheus"
    metrics:
        tags:
            application: ${spring.application.name}

test

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# HELP jvm_threads_states_threads The current number of threads having NEW state
# TYPE jvm_threads_states_threads gauge
jvm_threads_states_threads{application="demo",state="waiting",} 11.0
jvm_threads_states_threads{application="demo",state="blocked",} 0.0
jvm_threads_states_threads{application="demo",state="timed-waiting",} 4.0
jvm_threads_states_threads{application="demo",state="runnable",} 8.0
jvm_threads_states_threads{application="demo",state="new",} 0.0
jvm_threads_states_threads{application="demo",state="terminated",} 0.0

对接 prometheus

prometheus 一款开源的监控 + 时序数据库 + 报警软件

prometheus.yml

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scrape_configs:
    # 任意写，建议英文，不要包含特殊字符
    - job_name: "spring"
      # 多久采集一次数据
      scrape_interval: 15s
      # 采集时的超时时间
      scrape_timeout: 10s
      # 采集的路径是啥
      metrics_path: "/actuator/prometheus"
      # 采集服务的地址，设置成上面Spring Boot应用所在服务器的具体地址。
      static_configs:
          - targets: ["host.docker.internal:8000"]

在prometheus.yml 文件所在目录执行如下命令，启动Prometheus

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docker run -d -p 9090:9090 \
    -v $(pwd)/prometheus.yml:/etc/prometheus/prometheus.yml \
    prom/prometheus --config.file=/etc/prometheus/prometheus.yml

test

Grafana可视化

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docker run -d -p 3001:3000 grafana/grafana

test

  actuator
int[] <==> List<Integer>
Best practices in MySQL
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