web 界面出现：Warning! Detected 437.83 seconds time difference between your browser and the server. Prometheus relies on accurate time and time drift might cause unexpected query results.
是因为时间不同步导致的。
解决方法：运行prmetheus的linux主机同步时间：
[root@prometheus-node ~]# yum -y install ntp
[root@prometheus-node ~]# systemctl enable ntpd
[root@prometheus-node ~]# ntpdate time1.aliyun.com
3 May 10:22:51 ntpdate[24343]: step time server 203.107.6.88 offset 61321.940793 sec
运行浏览器的主机：
prometheus小坑--no datapoints found
原文：https://www.cnblogs.com/director/p/12821016.html