Konstantin Belousov wrote: > > So, then did r251446 actually start using this value or did other > > values get significantly tuned up? I recall now setting this nearly > > a year ago when we did our ZFS tuning and it was a four fold increase > > on the defaults. > > r251446 optimized the wakeups by only doing wakeups when runningbufspace > actually crossed the lorunningspace. Before, wakeups were performed > always on the runningbufspace changes. > > For ZFS, these settings are completely irrelevant, ZFS does not use > buffer cache.
A year is so long ago... It might have been tuning for our postgres servers. It might be worth while putting in a sanity check that doesn't allow hirunningspace to be set lower than lorunningspace. Thanks for your patience. Ian -- Ian Freislich _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
