Date: Sat, 7 Feb 2009 15:51:21 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r188291 - stable/7 Message-ID: <200902071551.n17FpLZQ097441@svn.freebsd.org>
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Author: alc Date: Sat Feb 7 15:51:21 2009 New Revision: 188291 URL: http://svn.freebsd.org/changeset/base/188291 Log: Recent changes to the kernel increasing the size of the kernel and kmem maps on amd64 machines should trigger ZFS users to reevaluate their manual tuning of the kmem map. Modified: stable/7/UPDATING Modified: stable/7/UPDATING ============================================================================== --- stable/7/UPDATING Sat Feb 7 15:31:23 2009 (r188290) +++ stable/7/UPDATING Sat Feb 7 15:51:21 2009 (r188291) @@ -9,6 +9,13 @@ Items affecting the ports and packages s portupgrade. 20090207: + ZFS users on amd64 machines with 4GB or more of RAM should + reevaluate their need for setting vm.kmem_size_max and + vm.kmem_size manually. In fact, after recent changes to the + kernel, the default value of vm.kmem_size is larger than the + suggested manual setting in most ZFS/FreeBSD tuning guides. + +20090207: Multi-IPv4/v6/no-IP jail support was merged to STABLE. You need to rebuild jls(8) and to use the new features jail(8), jexec(8) and cpuset(1) with a new kernel.
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