Messages in this thread | | | Date | Thu, 6 Aug 1998 12:20:13 +0300 (EEST) | From | Samuli Kaski <> | Subject | Re: DEVFSv50 and /dev/fb? (or /dev/fb/? ???) |
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On Thu, 6 Aug 1998, Chris Wedgwood wrote:
..
> For killer database speed, people should use raw devices, so I don't > think the 2GB limit is a problem. > > I would be really nice to hear from someone at Oracle or Informix > about this. Presumably they know more about database performance and > requirements than most of us here.
I have seen figures in the SAP R/3 world that Oracle 7.x.x raw filesystems could possibly have a performance gain of upto 30% over cooked ones.
IMHO, the the time saved by easy administration of files/tablespaces with AdvFS (and others) is is a more important factor, thus I tend to go go with cooked filesystems. Of course it depends a lot on what the system is used for, that upto 30% could mean everything.
-- Samuli Kaski, samkaski@cs.helsinki.fi Department of Computer Science, University of Helsinki, Finland.
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