Messages in this thread | | | Date | Mon, 27 Jun 2005 18:56:59 +1000 | From | Lincoln Dale <> | Subject | Re: [rfc] lockless pagecache |
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Nick Piggin wrote: [..]
> However I think for Oracle and others that use shared memory like > this, they are probably not doing linear access, so that would be a > net loss. I'm not completely sure (I don't have access to real loads > at the moment), but I would have thought those guys would have looked > into fault ahead if it were a possibility.
i thought those guys used O_DIRECT - in which case, wouldn't the page cache not be used?
cheers,
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