>>>>> On Wed, 29 Dec 2010 11:10:26 -0800, Richard Amerman said:
> 
> I'm having issues with the performance of the bacula agent, 5.0.3 32bit,  
> on Win 2003 32bit installed cleanly in a Virtualbox VM with 4 procs and  
> 3GB ram, with little in use.
> 
> This machine uses very little cpu under normal load but when a bacula  
> backup starts up the cpu usage climes to 89% but the bacula fd process is  
> only a part of that, the rest is not accounted for, I'm wondering if it is  
> the VSS system.

I would expect VSS to be accounted for somewhere (maybe System).  Can you try
it without VSS?

What is the cpu percentage for the bacula-fd process?  I would expect it to be
a maximum of 25% (100% of 1 of the 4 processors) because it should only have
one thread active during a backup.

Have you tried asking on a Virtualbox mailing list?  If Windows doesn't
account for it, then it sounds like Virtualbox problem to me.

Does the same thing happen if you use something like Windows Search to look
for foobar in every file on the disk (i.e. high disk activity)?

__Martin

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