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Sort sequence is incorrect and sorting/scrolling in the Virtual Machines tab in vCenter Server is slow (1029665)

Symptoms

  • Sorting by a column in the Virtual Machines tab in vCenter Server gets progressively slower with the number of virtual machines displayed. That is, the Datacenter level is slower than the Cluster level.
  • When you scroll down in the Virtual Machines tab, a noticeably long time is taken to load the virtual machine objects.
  • Sorting by Name column in the Virtual Machines tab in vCenter Server at Cluster Level or Datacenter level does not rearrange virtual machines alphabetically as expected.

    Note: The Sort sequence works correctly at Host level.

Resolution

This issue may occur due to a conservative Java Memory Pool setting on which the Tomcat service depends for various functions. This issue usually occurs when the number of virtual machines is more than 500, but is dependent on a number of factors in your environment.
 
To resolve this issue, increase the value of memory pool in the Java Memory Pool setting.
 
To increase the maximum memory pool value: 
  1. Click Start > All Programs > VMware > VMware Tomcat > Configure Tomcat.
  2. Click the Java tab
  3. Double the number in the Initial and Maximum memory pool field.
  4. Click OK.
  5. Restart the VirtualCenter Management Webservices service and the VirtualCenter Server service. For more information, see Stopping, starting, or restarting vCenter services (1003895).  

Depending on your available memory, use a value that is optimal for your environment.

Additional Information

If you experience similar issues on a 32-bit vCenter Server (4.0), increment the maximum memory pool value in steps of 50 MB. Java acquires this pool from contiguous virtual memory and the maximum is around 1.5 GB with a normal 2 GB Kernel address space / 2 GB User address space split. If the service does not come up after the memory pool increase, reduce the value and try again.

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