Date: Tue, 08 Jun 2010 10:30:01 +1000 From: Andrew Snow <andrew@modulus.org> To: freebsd-fs@freebsd.org Subject: Re: ZFS memory usage Message-ID: <4C0D8F09.4090009@modulus.org> In-Reply-To: <AANLkTin1GV0ayjtsvF5NTQZK37-kVq1KOlFEkHFiywa-@mail.gmail.com> References: <20100607232909.GA57423@server.vk2pj.dyndns.org> <AANLkTin1GV0ayjtsvF5NTQZK37-kVq1KOlFEkHFiywa-@mail.gmail.com>
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I think that most ZFS users, if they have a UFS partition, it'll only be for a root/boot partition anyway. So in a mixed ZFS/UFS system, ideally the Inactive pages should be slowly returned to ARC. It is desirable for ZFS to get a majority of the available (inactive) memory, to improve its performance. Currently we have the opposite situation in effect. - Andrew
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