Shafay2000
Enthusiast
Enthusiast

Here is your answer. First, use Chrome as browser, second you need to go with atleast 4vCPU*32GB of RAM & adjust the java heap sizes for SSO, Tomcat management server (TC), inventory server and Profile driven storage to "fine tune" vCenter appliance with embedded or external Oracle DB. I did this and performance gains went 10X. This includes running vSAN enabled clusters. My recommendation that works great based on design documents:

vCenter Server Inventory

VMware VirtualCenter Management Webservices (tc Server)

Inventory Service

Profile-Driven Storage Service (sps)

Large inventory (More than 400 hosts or 4000 virtual machines)

  4GB

  12GB

  4GB

Memory tuning on vCenter server appliance 5.5

  • Log in to vCenter server appliance using SSH
  • vi /usr/lib/vmware-vsphere-client/server/wrapper/conf/wrapper.conf configuration file, look for JVM memory section and change maxmemory to 4096
Line 66##############  JVM Memory#############wrapper.java.initmemory=512wrapper.java.maxmemory=4096
  • vi /usr/lib/vmware-vpx/inventoryservice/wrapper/conf/wrapper.conf configuration file, find wrapper.java.maxmemory parameter and change it to 12288
Line 116# Maximum Java Heap Size (in MB)wrapper.java.maxmemory=12288
  • vi /usr/lib/vmware-vpx/sps/wrapper/conf/wrapper.conf find wrapper.java.maxmemory parameter and change it from 1024 to 4096
Line 154# Maximum Java Heap Size (in MB)wrapper.java.maxmemory=4096
  • Reboot vCenter Appliance w/ external DB(1000 hosts)/embedded for lab (100 Hosts)

http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=2005086&sl...


vSphere 5.5 Documentation Center

PS: vCenter 6.0 has much better performance based on my beta testing .. so don't loose hope yet. Lots of enhancements coming ...

PS: I also vented about this here until I figured this out just recently: Re: Large customer - vCenter 5.5 U1c Web Client Response Time/ Performance and Navigation issues

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