一套联邦集群，数据源设置为联邦节点发现过滤job 服务器资源总览数据是重复的

[liuzn2]

    {
      "expr": "windows_os_info{job=~\"$job\"} * on(instance) group_right(product) windows_cs_hostname",
      "format": "table",
      "instant": true,
      "interval": "",
      "legendFormat": "",
      "refId": "A"
    },

==》
{
"expr": "windows_os_info{job="$job"} * on(instance) group_right(product) windows_cs_hostname{job="$job"}",
"format": "table",
"instant": true,
"interval": "",
"legendFormat": "",
"refId": "A"
},