replacing readahead by preload
krzysiek at lichota.net
Mon Feb 11 16:08:31 GMT 2008
Jérôme Bouat napisał(a):
> I get overall speed enhancement by using "preload" and removing "readahead".
> Why not doing like me for the default configuration ?
You probably are using outdated lists for readahead. Boot your kernel
with "profile" argument to update it. Then readahead should be better
than preload - preload is better in only some specific situations.
Please also test my prefetching kernel implemented for Ubuntu during
last Google Summer of Code - see http://code.google.com/p/prefetch/
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