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RE: problems building feature release on windows


From: Kelly F. Hickel
Subject: RE: problems building feature release on windows
Date: Tue, 2 May 2006 19:21:44 -0500

They're 10K RPM SCSI drives on a hardware RAID controller......

-Kelly

> -----Original Message-----
> From: Larry Jones [mailto:address@hidden
> Sent: Tuesday, May 02, 2006 7:09 PM
> To: Kelly F. Hickel
> Cc: Todd Denniston; address@hidden
> Subject: Re: problems building feature release on windows
> 
> Kelly F. Hickel writes:
> >
> >  [Kelly F. Hickel] I also expected it to be IO bound, which is why
we
> > have several fast drives in a RAID 5 array. I have tried moving temp
and
> > lock to ramdrives (independently and together).  All tests as well
as
> > measurements indicate that it is CPU bound.
> 
> Any chance you don't have DMA mode enabled for the drives?  Using PIO
> mode instead of DMA will eat up CPU time like crazy.
> 
> -Larry Jones
> 
> It's either spectacular, unbelievable success, or crushing, hopeless
> defeat!  There is no middle ground! -- Calvin




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