Date: Fri, 21 Jul 2017 16:03:49 -0700 From: Peter Grehan <grehan@freebsd.org> To: Zaphod Beeblebrox <zbeeble@gmail.com> Cc: "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: Bhyve Broken: whose fault (AMD, FreeBSD, ZFS ...?) Message-ID: <792ad5df-9e03-a332-c9a1-0b04ba69786a@freebsd.org> In-Reply-To: <CACpH0Md4Dxq9jOSrzs9N7PbEG9F5mAsYaTjz3s%2BOfKCFkDQ2%2BQ@mail.gmail.com> References: <CACpH0MewKeeif2egxD=hjwiXYa5tNV0ACTz6PrM=%2BZ3=7Nfryg@mail.gmail.com> <CACpH0MeozpUFakVg9z68hwyT9Ewx3sn1P6KorgzHPvoH7kcFdg@mail.gmail.com> <CACpH0Md4Dxq9jOSrzs9N7PbEG9F5mAsYaTjz3s%2BOfKCFkDQ2%2BQ@mail.gmail.com>
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> oh ... and ... the console spit out: > > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 4522, size: 8192 > > (swap is on a separate zVol). Ok - you may have hit a separate issue. Is ZFS ARC limited on your setup ? If bhyve and ZFS (and other consumers) end up fighting for memory, everyone loses :( A general rule of thumb is to limit ARC to less than the bhyve VM usage + a few additional gig for the base system. The FreeBSD default of giving ZFS all memory minus 1GB doesn't work too well when running VMs. later, Peter.home | help
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