[PLUG] non-buffered I/O in Linux?
heinlein at attbi.com
Tue Jun 4 06:20:04 PDT 2002
On Mon, 3 Jun 2002, Alex Daniloff wrote:
> Does somebody know if Linux kernel allows to perform non-buffered
> I/O on raw disk partitions? In documentation on InnoDB tables it
> said: By using a raw disk you can on some Unixes perform unbuffered
> I/O. I assume that it should improve DB performance. Thank you in
> advance for any thoughts or sources of information. Alex
This article might interest you:
Among the interesting quotes:
For database creation, loading and indexing, Figure 3 shows that
the ext3 filesystem wins hands down and that RAW devices come in
next to last place.
--Paul Heinlein <heinlein at attbi.com>
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