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vm slow performance

Posted on 2009-05-11
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Last Modified: 2012-05-06
After moving a VM from one VM Server to another, it has been the case always that for at least 4 hours after the CPU hits 100%, and then goes back to normality.

Is there a reconfiguration process running in the background?

HOST: W2K3, 4GB RAM, RAID 5, 300GB 15K RPM, etc
VM: W2K3, 3GB RAM, 12OGB, etc
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Question by:whocaresaboutit
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Expert Comment

by:vmwarun - Arun
ID: 24353408
What service is the VM Hosting ? (Web Server, DHCP Server, DNS)
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by:whocaresaboutit
ID: 24353410
No services. Just as a VM Server.
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by:vmwarun - Arun
ID: 24353412
Is the CPU increase occurring during a specific time interval or occurs randomly ?
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Author Comment

by:whocaresaboutit
ID: 24353421
The CPU increase happens always for the first 4-5 hours after I moved a VM from one VM Host to another.
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Expert Comment

by:vmwarun - Arun
ID: 24353429
Any specific reason for moving the VM ? Are you moving it regularly ?
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Author Comment

by:whocaresaboutit
ID: 24353545
...generally upgrading the box specs
...do it for different clients
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by:vmwarun - Arun
ID: 24353554
What does the Task Manager show when you check it during this CPU spike ?
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Author Comment

by:whocaresaboutit
ID: 24353586
...the usual, none of the ones listed are allocating that CPU continuous spike

Note: it's the VM that hits 100% CPU, not the VM Host
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by:vmwarun - Arun
ID: 24353657
Is it 32 or 64-Bit ?
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Author Comment

by:whocaresaboutit
ID: 24353666
32 Bit
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by:vmwarun - Arun
ID: 24353745
Whether any kind of Security software is running ?
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Accepted Solution

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larstr earned 500 total points
ID: 24362056
  1. Is the cpu peeking in both the VM and the host?
  2. How many virtual cpus have been given to the VM and how many cores in the host?
  3. What antivirus software?
  4. Is VMware Tools installed?
  5. Tried following these steps?
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