Date: 14 Mar 2004 08:44:38 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Thomas Vogt <turbo23@gmx.net> Cc: questions@freebsd.org Subject: Re: performance with less than 8% minfree Message-ID: <44ptbfo855.fsf@be-well.ilk.org> In-Reply-To: <4053584A.8030408@gmx.net> References: <4053584A.8030408@gmx.net>
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Thomas Vogt <turbo23@gmx.net> writes: > FreeBSD 4.9 man tunefs(8) explains in section "-m minfree" that by > default, 8% disk space is reserved for root. The man page also says > clearly that I'll lose performance if I reduce minfree. My mailserver > has one drive for the base system and a raid enviroment with 500GB > space for the users mailboxes. 8% of 500gb space is a lot of space > which I can't use anymore for my users mailboxes. > So if I set this minfree to < 8% is there any other option I have to > set that I don't lose too much performance. We're talking about a lot > of write procedures for small files. Not really. Note, however, that it's the actual free space that can cut into performance, rather than the minimum free setting. You will only take the hit when the disk is getting close to full.
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