1、如果vCenter的數據庫過大，可以參考以下KB進行舊的數據清理
Purging old data from the database used by VMware vCenter Server 4.x and 5.x (1025914)
2、vCenter中Tomcat等服務器的內存使用優化可以參考以下KB
Configuring Tomcat server settings in VMware vCenter Server 5.1 and 5.5
3、vCenter Service Status中提示：com.vmware.converter alert unable to retrieve health data from https://vcenter_servername.domain:port/converter/health.xml，解決方法：