[2]
> Well from Linus' comments it sounds like raw devices won't be appearing in
> 2.3, or indeed, ever.
mingo@chiara.csoma.elte.hu said:
> well, my interpretation is that [2] was said only because [1] is
> false. So the rest of your conclusions are false too.
Has anybody actually *measured* this? Do we know that the cache does not get
polluted by doubly-cached data (once by DBMS once by linux)? Someone needs
to write a benchmark that simulates the access patterns (including memory
use) of a DBMS in order to prove a point, one way or the other.
And what about the case the Oracle guy pointed out where they share a SCSI
disk between two hosts? Can that be made to work under Linux?
-- Steve Williams "The woods are lovely, dark and deep. steve@icarus.com But I have promises to keep, steve@picturel.com and lines to code before I sleep, http://www.picturel.com And lines to code before I sleep."
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