Messages in this thread | | | Date | Tue, 4 Mar 2003 15:20:41 +0100 | From | Jens Axboe <> | Subject | Re: I/O Request [Elevator; Clustering; Scatter-Gather] |
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On Tue, Mar 04 2003, Daniel Phillips wrote: > On Tuesday 04 March 2003 14:50, Jens Axboe wrote: > > > Do Clustering of request and scatter-gather mean the same ?? Confused > > > to the core... Kindly help me ... > > > > No, the elevator clustering refers to clustering request that are > > contigious on disk. Scatter-gather may cluster sg entries that are > > contigious in memory. > > Hi Jens, > > I think you meant to write *non*contiguous in memory (but contiguous on the > device).
No I didn't. Well actually both may happen, depending on your hardware. What I wrote covers basic x86 hardware.
-- Jens Axboe
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