[zabbix][问题解决]监控项 Received value [] is not suitable for value type [Numeric(float)]

收取不到数据，并报一下错误：

Received value [] is not suitable for value type [Numeric (float)] 

解决思路，修改Zabbix Server配置文件中CacheSize的默认值，尽量提升；

重启zabbix_server服务