Dave Jones wrote: > Right now we're running readahead early way too late. > At a time when we've just sat doing no IO at all for 10 > seconds whilst (amongst other things) we waited for a > DHCP lease. We're also running it at a time when > we're competing for disk bandwidth with other processes. > The result is that disabling the service completely shows > no change in boot time at all. > http://www.codemonkey.org.uk/junk/bootchart-before.png > > Moving the readahead_early service to start really early > wins back 4 seconds of boot up time. > http://www.codemonkey.org.uk/junk/bootchart-after.png FWIW, on my test box, entirely *disabling* readahead saves 2-4 seconds on boot time... :) -Eric -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
