prometheus grafana 搭建漂亮的监控系统(本例监控zookeeper集群)

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1. 安装prometheus

prometheus.io/download/

Prometheus是由SoundCloud开发的开源监控报警系统和时序列数据库(TSDB)。Prometheus使用Go语言开发,官方构架图:

   

Prometheus的特点:

  • 多维度数据模型。
  • 灵活的查询语言。
  • 不依赖分布式存储,单个服务器节点是自主的。
  • 通过基于HTTP的pull方式采集时序数据。
  • 可以通过中间网关进行时序列数据推送。
  • 通过服务发现或者静态配置来发现目标服务对象。
  • 支持多种多样的图表和界面展示,比如Grafana等。

1.2 下载二制进包

https://github.com/prometheus/prometheus/releases/download/v2.14.0/prometheus-2.14.0.linux-amd64.tar.gz
tar xf prometheus-2.14.0.linux-amd64.tar.gz
mv prometheus-2.14.0.linux-amd64  prometheus

2.2 启动prometheus

prometheus 由go 编写而已,已经编译好。可直接在linux服务器上运行(也可以使用supervisor来管理启动和停止)

cd prometheus
nohup ./prometheus &

2.3  supervisor管理 prometheus 进程

2. 安装grafana

grafana.com/grafana/

  Grafana是一个跨平台的开源的度量分析和可视化工具,可以通过将采集的数据查询然后可视化的展示,并及时通知。

官方简介图:



2.1 下载安装grafana

wget https://dl.grafana.com/oss/release/grafana-6.5.1-1.x86_64.rpm
yum localinstall grafana-6.5.1-1.x86_64.rpm

2.2 启动grafana

chkconfig grafana-server on             #设置开机启动
/etc/init.d/grafana-server start        #启动grafana

2.3 访问http://ip:3000 账密为: admin / admin


登陆之后需要重设密,建议改密码改复杂一点。特殊符号+大小写字母+数据。

后期也可以把https启用起来。

2.4 配置数据源,我们这里设置prometheus为数据源

 Configuration -> Data source -> Add data source 

配置URL那一行,然后点击save & test 既可



3.  配置zookeeper监控

3.1 下载zookeeper监控export

wget https://github.com/carlpett/zookeeper_exporter/releases/download/v1.0.2/zookeeper_exporter
chmod +x zookeeper_export

3.2 启动zookeeper监控export

zookeeper_export放到zookeeper服务器,然后启动:

nohup ./zookeeper_export

3.3 配置prometheus 获取zookeeper监控数据

vim prometheus.yml

- job_name: zookeeper
    scrape_interval: 30s
    scrape_timeout:  30s
    metrics_path: "/metrics"
    static_configs:
    - targets:
      - zk1:9141
      - zk2:9141      
      - zk3:9141      
      labels:
        service: zookeeper

3.4 重启prometheus

因暂时没有配置 supervisor 管理prometheus进程, 这里先手动重启一下

停止:

kill `ps aux | grep prometheus | grep -v grep | awk '{print $2}'`

启动:

nohup ./prometheus &

4. grafana画图

我这里已经把画好了。导入dashboard.json进入既可. 


5. zookeeper dashboard 图表josn,请复制到文件,保存为dashboard.json既可,一定要json后缀:

{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
      }
    ]
  },
  "editable": true,
  "gnetId": null,
  "graphTooltip": 0,
  "id": 5,
  "links": [],
  "panels": [
    {
      "content": "\n\n\n\n\n",
      "datasource": null,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 24,
      "mode": "markdown",
      "options": {},
      "timeFrom": null,
      "timeShift": null,
      "title": "CDH zookeeper 集群监控图表",
      "type": "text"
    },
    {
      "cacheTimeout": null,
      "colorBackground": true,
      "colorValue": false,
      "colors": [
        "#299c46",
        "rgba(237, 129, 40, 0.89)",
        "#d44a3a"
      ],
      "datasource": null,
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 6,
        "w": 6,
        "x": 0,
        "y": 1
      },
      "id": 2,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "options": {},
      "pluginVersion": "6.5.1",
      "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,
        "ymax": null,
        "ymin": null
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "sum (zk_up)",
          "hide": false,
          "refId": "A"
        }
      ],
      "thresholds": "",
      "timeFrom": null,
      "timeShift": null,
      "title": "zookeeper 集群实例个数",
      "type": "singlestat",
      "valueFontSize": "200%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
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      "valueName": "avg"
    },
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      "colorBackground": true,
      "colorValue": false,
      "colors": [
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        "#d44a3a"
      ],
      "datasource": "Prometheus",
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 6,
        "w": 6,
        "x": 6,
        "y": 1
      },
      "id": 8,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "options": {},
      "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,
        "ymax": null,
        "ymin": null
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "sum(zk_num_alive_connections)",
          "refId": "A"
        }
      ],
      "thresholds": "",
      "timeFrom": null,
      "timeShift": null,
      "title": "活跃连接数",
      "type": "singlestat",
      "valueFontSize": "200%",
      "valueMaps": [
        {
          "op": "=",
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      ],
      "valueName": "avg"
    },
    {
      "cacheTimeout": null,
      "colorBackground": true,
      "colorValue": false,
      "colors": [
        "#299c46",
        "rgba(237, 129, 40, 0.89)",
        "#d44a3a"
      ],
      "datasource": null,
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 6,
        "w": 6,
        "x": 12,
        "y": 1
      },
      "id": 16,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
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        },
        {
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        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
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      "options": {},
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      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
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      ],
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        "lineColor": "rgb(31, 120, 193)",
        "show": false,
        "ymax": null,
        "ymin": null
      },
      "tableColumn": "",
      "targets": [
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          "expr": "sum (zk_open_file_descriptor_count)",
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      ],
      "thresholds": "",
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      "timeShift": null,
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        "w": 6,
        "x": 18,
        "y": 1
      },
      "id": 20,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
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      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "options": {},
      "postfix": "",
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      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
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      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": false,
        "ymax": null,
        "ymin": null
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "sum(zk_outstanding_requests)",
          "refId": "A"
        }
      ],
      "thresholds": "",
      "timeFrom": null,
      "timeShift": null,
      "title": "堆积请求数",
      "type": "singlestat",
      "valueFontSize": "200%",
      "valueMaps": [
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      ],
      "valueName": "avg"
    },
    {
      "cacheTimeout": null,
      "colorBackground": true,
      "colorValue": false,
      "colors": [
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      ],
      "datasource": null,
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
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        "x": 0,
        "y": 7
      },
      "id": 4,
      "interval": null,
      "links": [],
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      ],
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      "options": {},
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      "prefixFontSize": "50%",
      "rangeMaps": [
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      ],
      "sparkline": {
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        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": false,
        "ymax": null,
        "ymin": null
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "sum (zk_max_file_descriptor_count)",
          "refId": "A"
        }
      ],
      "thresholds": "",
      "timeFrom": null,
      "timeShift": null,
      "title": "最大文件描述符数",
      "type": "singlestat",
      "valueFontSize": "200%",
      "valueMaps": [
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      "gauge": {
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        "show": false,
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        "w": 6,
        "x": 6,
        "y": 7
      },
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      "interval": null,
      "links": [],
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      "mappingTypes": [
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      ],
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      "nullPointMode": "connected",
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      "options": {},
      "postfix": "",
      "postfixFontSize": "200%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
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      ],
      "thresholds": "",
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      "timeShift": null,
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        "values": true
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      "lines": true,
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      "options": {
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      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
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          "expr": "zk_watch_count",
          "legendFormat": "{{instance}}",
          "refId": "A"
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      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "watch 数",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
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        "values": []
      },
      "yaxes": [
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        "alignLevel": null
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    },
    {
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      "dashes": false,
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      "fill": 1,
      "fillGradient": 0,
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        "w": 8,
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        "y": 13
      },
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        "current": false,
        "max": false,
        "min": false,
        "rightSide": true,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "options": {
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      },
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      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "zk_server_state",
          "instant": false,
          "intervalFactor": 1,
          "legendFormat": "{{instance}}    {{state}}",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "主从状态(角色)",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "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": null,
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 16,
        "y": 13
      },
      "hiddenSeries": false,
      "id": 12,
      "legend": {
        "alignAsTable": true,
        "avg": true,
        "current": false,
        "max": true,
        "min": true,
        "rightSide": true,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "zk_max_latency",
          "legendFormat": "{{instance}}",
          "refId": "A"
        },
        {
          "expr": "zk_avg_latency",
          "legendFormat": "{{instance}}",
          "refId": "B"
        },
        {
          "expr": "zk_min_latency",
          "legendFormat": "{{instance}}",
          "refId": "C"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "最大平均最小 响应延迟",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
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        {
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          "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
      }
    },
    {
      "alert": {
        "alertRuleTags": {},
        "conditions": [
          {
            "evaluator": {
              "params": [
                1
              ],
              "type": "gt"
            },
            "operator": {
              "type": "and"
            },
            "query": {
              "params": [
                "A",
                "5m",
                "now"
              ]
            },
            "reducer": {
              "params": [],
              "type": "avg"
            },
            "type": "query"
          }
        ],
        "executionErrorState": "alerting",
        "for": "5m",
        "frequency": "1m",
        "handler": 1,
        "message": "生产环境zookeeper集群实例个数低于5",
        "name": "Panel Title alert",
        "noDataState": "no_data",
        "notifications": [
          {
            "uid": "JbZWnN-Wz"
          }
        ]
      },
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": null,
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
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        "w": 8,
        "x": 0,
        "y": 21
      },
      "hiddenSeries": false,
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      "legend": {
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        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "zk_up",
          "legendFormat": "{{instance}}",
          "refId": "A"
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "gt",
          "value": 1
        }
      ],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "Panel Title",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
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        "show": true,
        "values": []
      },
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          "max": null,
          "min": null,
          "show": true
        },
        {
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          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": null,
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 8,
        "y": 21
      },
      "hiddenSeries": false,
      "id": 30,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "zk_packets_sent",
          "legendFormat": "{{instance}}",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "发包数",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "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": null,
      "fill": 1,
      "fillGradient": 0,
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 16,
        "y": 21
      },
      "hiddenSeries": false,
      "id": 10,
      "legend": {
        "alignAsTable": false,
        "avg": false,
        "current": true,
        "max": false,
        "min": false,
        "rightSide": false,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "nullPointMode": "null",
      "options": {
        "dataLinks": []
      },
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "zk_packets_received",
          "legendFormat": "{{instance}}",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "收包数",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "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
      }
    }
  ],
  "schemaVersion": 21,
  "style": "dark",
  "tags": [
    "zookeeper ",
    "dmp"
  ],
  "templating": {
    "list": []
  },
  "time": {
    "from": "now-30m",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ]
  },
  "timezone": "",
  "title": "prod-dmp-zookeeper",
  "uid": "ZNpKs5aZz",
  "version": 19
}


6.  图表展示:



参考:

blog.csdn.net/qq_25934401…

github.com/carlpett/zo…

yunlzheng.gitbook.io/prometheus-…

grafana.com/docs/grafan…