Prometheus监控jvm

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k8s的jvm监控

在pod里面env将jmx环境变量加上，jar包可以本地挂载上

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-javaagent:/home/aa/config/prom-jvm-demo/jmx_prometheus_javaagent-0.3.1.jar=6060:/home/aa/config/prom-jvm-demo/simple-config.yml"

在service添加：

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apiVersion: v1
kind: Service
metadata:
  name: prometheus-aa
  namespace: product
  annotations:
        prometheus.io/scrape: "true"
        prometheus.io/jvm-scrape: "true"
        prometheus.io/jvm-port: "6060"
        prometheus.io/jvm-path: "/metrics"
spec:
  ports:
  - port: 6060
  selector:
    app: aa

prometheus配置

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不用做任何配置

之后运行重读prometheus配置命令

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./reload-prometheus.sh

grafana模板

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{
  "__inputs": [
    {
      "name": "DS_K8S集群PROMETHEUS",
      "label": "k8s集群Prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
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  "__requires": [
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        {
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          "expr": "jvm_threads_deadlocked_monitor{kubernetes_pod_name=~\"$kubernetes_pod_name\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
      "thresholds": "",
      "title": "JVM 内线程死锁监视器数量",
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "avg"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": true,
      "colors": [
        "#299c46",
        "#6ed0e0",
        "#d44a3a"
      ],
      "datasource": "${DS_K8S集群PROMETHEUS}",
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 2,
        "w": 4,
        "x": 20,
        "y": 0
      },
      "id": 20,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": false
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "jvm_threads_deadlocked{kubernetes_pod_name=~\"$kubernetes_pod_name\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
      "thresholds": "",
      "title": "JVM内线程死锁数",
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
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      ],
      "valueName": "avg"
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_K8S集群PROMETHEUS}",
      "fill": 1,
      "gridPos": {
        "h": 8,
        "w": 24,
        "x": 0,
        "y": 2
      },
      "id": 8,
      "legend": {
        "avg": false,
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        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "jvm_memory_bytes_max{kubernetes_pod_name=~\"$kubernetes_pod_name\",area=\"heap\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "最大堆内存 {{kubernetes_pod_name}} {{kubernetes_host_ip}} ",
          "refId": "A"
        },
        {
          "expr": "jvm_memory_bytes_init{kubernetes_pod_name=~\"$kubernetes_pod_name\",area=\"heap\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "初始化堆内存 {{kubernetes_pod_name}} {{kubernetes_host_ip}} ",
          "refId": "B"
        },
        {
          "expr": "jvm_memory_bytes_init{kubernetes_pod_name=~\"$kubernetes_pod_name\",area=\"nonheap\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "初始化非堆内存 {{kubernetes_pod_name}} {{kubernetes_host_ip}} ",
          "refId": "C"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "jvm 最大内存 / 初始化内存 / 初始化非内存",
      "tooltip": {
        "shared": true,
        "sort": 2,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
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        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
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          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_K8S集群PROMETHEUS}",
      "fill": 5,
      "gridPos": {
        "h": 9,
        "w": 24,
        "x": 0,
        "y": 10
      },
      "id": 2,
      "legend": {
        "alignAsTable": false,
        "avg": true,
        "current": false,
        "hideEmpty": false,
        "hideZero": false,
        "max": false,
        "min": false,
        "rightSide": false,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "repeat": null,
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "jvm_memory_bytes_used{kubernetes_pod_name=~\"$kubernetes_pod_name\",area=\"heap\"}",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 5,
          "legendFormat": "{{kubernetes_host_ip}}--[ {{kubernetes_pod_name}} ]已用堆内存",
          "metric": "jvm_memory_bytes_used",
          "refId": "A",
          "step": 5
        },
        {
          "expr": "jvm_memory_bytes_used{kubernetes_pod_name=~\"$kubernetes_pod_name\",area=\"nonheap\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{kubernetes_host_ip}}--[ {{kubernetes_pod_name}} ]已用非堆内存",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "jvm 已用堆内存 / 已用非堆内存",
      "tooltip": {
        "shared": true,
        "sort": 2,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bytes",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_K8S集群PROMETHEUS}",
      "fill": 4,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 0,
        "y": 19
      },
      "id": 3,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "jvm_threads_current{kubernetes_pod_name=~\"$kubernetes_pod_name\"}",
          "format": "time_series",
          "intervalFactor": 5,
          "legendFormat": "{{kubernetes_host_ip}} [{{kubernetes_pod_name}}]当前活跃线程",
          "metric": "jvm_threads_current",
          "refId": "A",
          "step": 10
        },
        {
          "expr": "jvm_threads_daemon{kubernetes_pod_name=~\"$kubernetes_pod_name\"}",
          "format": "time_series",
          "intervalFactor": 5,
          "legendFormat": "{{kubernetes_host_ip}} [{{kubernetes_pod_name}}]守护进程线程",
          "metric": "jvm_threads_daemon",
          "refId": "B",
          "step": 10
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "活跃线程",
      "tooltip": {
        "shared": true,
        "sort": 2,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "decimals": 0,
          "format": "none",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_K8S集群PROMETHEUS}",
      "fill": 1,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 12,
        "y": 19
      },
      "id": 4,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "jvm_classes_loaded{kubernetes_pod_name=~\"$kubernetes_pod_name\"}",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 5,
          "legendFormat": "{{kubernetes_host_ip}} [{{kubernetes_pod_name}}]",
          "metric": "jvm_classes_loaded",
          "refId": "A",
          "step": 10
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "JVM 加载类数量",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "decimals": 0,
          "format": "none",
          "label": "",
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_K8S集群PROMETHEUS}",
      "fill": 1,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 0,
        "y": 26
      },
      "id": 5,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "rate(jvm_gc_collection_seconds_sum{kubernetes_pod_name=~\"$kubernetes_pod_name\",gc=\"PS MarkSweep\"}[1m])",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 5,
          "legendFormat": "{{kubernetes_host_ip}} [{{kubernetes_pod_name}}] 年老带GC",
          "metric": "jvm_gc_collection_seconds_sum",
          "refId": "A",
          "step": 10
        },
        {
          "expr": "rate(jvm_gc_collection_seconds_sum{kubernetes_pod_name=~\"$kubernetes_pod_name\",gc=\"PS Scavenge\"}[1m])",
          "format": "time_series",
          "intervalFactor": 5,
          "legendFormat": "{{kubernetes_host_ip}} [{{kubernetes_pod_name}}] 新生代GC",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "新生带GC / 年老带GC",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "s",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_K8S集群PROMETHEUS}",
      "fill": 1,
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 12,
        "y": 26
      },
      "id": 6,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "jvm_gc_collection_seconds_count{kubernetes_pod_name=~\"$kubernetes_pod_name\",gc=\"PS MarkSweep\"}",
          "format": "time_series",
          "interval": "",
          "intervalFactor": 5,
          "legendFormat": "{{kubernetes_host_ip}} [{{kubernetes_pod_name}}] 年老带GC次数",
          "metric": "",
          "refId": "A",
          "step": 10
        },
        {
          "expr": "jvm_gc_collection_seconds_count{kubernetes_pod_name=~\"$kubernetes_pod_name\",gc=\"PS Scavenge\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{kubernetes_host_ip}} [{{kubernetes_pod_name}}] 新生带GC次数",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "新生代 / 年老带GC次数",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "decimals": 0,
          "format": "none",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    }
  ],
  "refresh": "30s",
  "schemaVersion": 16,
  "style": "dark",
  "tags": [
    "JVM",
    "prometheus",
    "jmx_exporter"
  ],
  "templating": {
    "list": [
      {
        "allValue": "()",
        "current": {},
        "datasource": "${DS_K8S集群PROMETHEUS}",
        "definition": "label_values(jvm_memory_bytes_used,app)",
        "hide": 0,
        "includeAll": true,
        "label": "请选择pod标签",
        "multi": false,
        "name": "pod_label",
        "options": [],
        "query": "label_values(jvm_memory_bytes_used,app)",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 0,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS_K8S集群PROMETHEUS}",
        "definition": "label_values(jvm_memory_bytes_used{app=\"$pod_label\"},kubernetes_pod_name)",
        "hide": 0,
        "includeAll": false,
        "label": "请选择pod",
        "multi": true,
        "name": "kubernetes_pod_name",
        "options": [],
        "query": "label_values(jvm_memory_bytes_used{app=\"$pod_label\"},kubernetes_pod_name)",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-30m",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "",
  "title": "JVM",
  "uid": "PVQFY0Pmz",
  "version": 31
}

外部tomcat监控

添加jmx的jar包

1
在tomcat的catalina.sh文件即可

prometheus配置：

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- job_name: 'java'
      scrape_interval: 10s
      static_configs:
      - targets:
        - '192.168.xx.xx:6060'

模板：

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        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "decbytes",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    }
  ],
  "refresh": "10s",
  "schemaVersion": 16,
  "style": "dark",
  "tags": [
    "JVM"
  ],
  "templating": {
    "list": [
      {
        "current": {
          "tags": [],
          "text": "default",
          "value": "default"
        },
        "hide": 0,
        "label": null,
        "name": "datasource",
        "options": [],
        "query": "prometheus",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "type": "datasource"
      },
      {
        "current": {
          "value": "${VAR_JOB}",
          "text": "${VAR_JOB}"
        },
        "hide": 0,
        "label": "job",
        "name": "job",
        "options": [
          {
            "value": "${VAR_JOB}",
            "text": "${VAR_JOB}"
          }
        ],
        "query": "${VAR_JOB}",
        "skipUrlSync": false,
        "type": "constant"
      },
      {
        "allValue": ".*",
        "current": {},
        "datasource": "$datasource",
        "definition": "",
        "hide": 0,
        "includeAll": false,
        "label": "instance",
        "multi": false,
        "name": "instance",
        "options": [],
        "query": "label_values(jvm_info{job=\"$job\"},instance)",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "allValue": null,
        "current": {},
        "datasource": "$datasource",
        "definition": "",
        "hide": 2,
        "includeAll": true,
        "label": null,
        "multi": true,
        "name": "mempool",
        "options": [],
        "query": "label_values(jvm_memory_pool_bytes_max{job=\"$job\", instance=\"$instance\"}, pool)",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "allValue": null,
        "current": {},
        "datasource": "$datasource",
        "definition": "",
        "hide": 2,
        "includeAll": true,
        "label": null,
        "multi": true,
        "name": "memarea",
        "options": [],
        "query": "label_values(jvm_memory_bytes_used{job=\"$job\", instance=\"$instance\"}, area)",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 0,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-15m",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "",
  "title": "JVM tomcat",
  "uid": "0CjGA5kWz",
  "version": 1
}
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