Date: Thu, 13 Jun 2002 10:15:32 -0400 (EDT) From: Zhihui Zhang <zzhang@cs.binghamton.edu> To: Darren Pilgrim <dmp@pantherdragon.org> Cc: Kris Kennaway <kris@obsecurity.org>, freebsd-questions@FreeBSD.ORG Subject: Re: Is the filesystem optimization type trigger still broken? Message-ID: <Pine.SOL.4.21.0206131012120.10509-100000@opal> In-Reply-To: <3D086CC2.2281E3C0@pantherdragon.org>
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The switch is determined by the extent of fragmentation, not by the amount of free space. Suppose your file system is only 50% full, but it is highly fragmented by some aberrant programs, the FFS will optimize for space correctly in this case. -Zhihui On Thu, 13 Jun 2002, Darren Pilgrim wrote: > Kris Kennaway wrote: > > > > On Thu, Jun 13, 2002 at 01:23:58AM -0700, Darren Pilgrim wrote: > > > I just one of those "optimization changed from TIME to SPACE" messages > > > about my /usr. I found a message from DG about the trigger being broken > > > in 4.4 and thus the switchover happening gratitously. I was wondering > > > if it has been fixed in 4.5-R? > > > > I would assume so. > > If it has, why is it switch to space at ~75% when tunefs is telling > me to "optimize for time when minfree >= 8%"? > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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