12/20/2018 14:40 12/22/2018 17:25
http://10.11.6.79/ganglia/graph.php?c=cluster&h=centos7-dase-78&r=custom&z=small&jr=&js=&st=1546429279&cs=12%2F20%2F2018%2014%3A40&ce=12%2F22%2F2018%2017%3A25&v=1.1&m=cpu_user&vl=%25&ti=CPU%20User&csv=1
c:Name of Cluster
h:Name of Host
r:Defined time ranges (eg. hour, week, month)
Time ranges are defined in default_time_range in conf.php
z:Defined size of graphs (eg. small, default, medium, large, xlarge) 网页显示图片的大小，和数据无关
jr：任务时间范围，无用
js：任务开始时间戳，无用
st：Current time of data source (in UNIX time)。当前查询的时候的时间戳，没用
cs：自定义时间开始
ce：自定义时间结束
v: "now" value to be displayed in metric graphs
m: Name of Metric
csv:保存格式csv
vl：Vertical label of graph，纵坐标
ti: 图形的标题名字
mc：默认2，在主机视图中，这将设置用于在摘要图表下方显示度量标准网格的默认列数。
标准：
http://10.11.6.79/ganglia/graph.php?c=cluster&h=centos7-dase-78&r=custom&cs=12%2F20%2F2018%2014%3A40&ce=12%2F22%2F2018%2017%3A25&m=cpu_user&csv=1
