Grafana dashboard: System Metrics - Multiple
Description: vm telegraf
模板支持同时选择多个instance进行展示


## 一
###### 2022-03 FROM HZ
###### 安装部署victoriametrics 单机版
###### 采用docker的方式部署整套基础架构
###### 使用telegraf代替node-export监控vm
###### metrics流 telegraf --> vmagent --> victoriametrics
###### 查询流 grafana --> victoriametrics
###### 告警流 victoriametrics <-- vmalert --> alertmanager


## 二
### telegraf 相关配置 （大写的字符串，自行替换）
###### 配置一：
[{
  "targets": [
    IP:9273
  ],
  "labels": {
    "datacenter":"ali",
    "env":"ENV",
    "host":"HOST"
  }
}]
###### 配置二：
telegraf --sample-config --input-filter cpu:disk:diskio:interrupts:kernel:linux_sysctl_fs:mem:net:netstat:processes:swap:system --output-filter prometheus_client --aggregator-filter : --processor-filter : > /etc/telegraf/telegraf.conf


## 三
###### 模板支持同时选择多个instance进行展示
###### 对单instance进行精简，将重点观测项集成，用于快速比对


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    "to": "now"
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    "refresh_intervals": [
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