Date: Wed, 4 Jun 2008 14:17:52 +0800 From: "Tz-Huan Huang" <tzhuan@csie.org> To: "Pawel Jakub Dawidek" <pjd@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Is there any way to increase the KVM? Message-ID: <6a7033710806032317g4dbe8845h26a1196016b9c440@mail.gmail.com> In-Reply-To: <20080603135308.GC3434@garage.freebsd.pl> References: <6a7033710805302252v43a7b240x66ca3f5e3dd5fda4@mail.gmail.com> <20080603135308.GC3434@garage.freebsd.pl>
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On Tue, Jun 3, 2008 at 9:53 PM, Pawel Jakub Dawidek <pjd@freebsd.org> wrote: > On Sat, May 31, 2008 at 01:52:56PM +0800, Tz-Huan Huang wrote: >> Hi, >> >> Our nfs server is running 7-stable/amd64 with 8G ram, the size of zfs >> pool is 12T. We have set vm.kmem_size and vm.kmem_size_max to >> 1.5G, but the kernel still panics by "kmem_map too small" often. > > Could you also try to decrease vfs.zfs.arc_max? The vfs.zfs.arc_max was set to 512M originally, the machine survived for 4 days and panicked this morning. Now the vfs.zfs.arc_max is set to 64M by Oliver's suggestion, let's see how long it will survive. :-) Thanks, Tz-Huan
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