cacti中如何提取SNMP采集到的数据
cacti中怎么提取SNMP采集到的数据
最近公司在做一个基于cactiez的项目。cactiez中有个功能是当主机宕机时就会发出宕机的报警声，现在有这样一个需求，比如说，当内存超出阈值(或者硬盘，流量等等)时，就发出一个内存超出阈值的报警声，现在的问题是，不知道SNMP采集的数据怎么从RRD文件中取出来，与阈值进行对比。请问有大神知道吗?先行谢过。
------解决方案--------------------
SNMP直接用snmp的组件好了。
可以做一个PHP程序，反馈请求时内存的参数
cactiez则定时访问这个程序获取数据。
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