Date: Thu, 09 May 2013 16:25:49 +0200 From: Florent Peterschmitt <florent@peterschmitt.fr> To: freebsd-stable@freebsd.org Subject: Re: recommended memory for zfs Message-ID: <518BB1ED.9060309@peterschmitt.fr> In-Reply-To: <518BA237.3030700@gmail.com> References: <518BA237.3030700@gmail.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) ------enig2TVFFWEGVSJRCBTRKOXKH Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Le 09/05/2013 15:18, Benjamin Adams a =E9crit : > Hello zfs question about memory. > I heard zfs is very ram hungry. > Service looking to run: > - nginx > - postgres > - php-fpm > - python >=20 > I have a machine with two quad core cpus but only 4 G Memory >=20 > I'm looking to buy more ram now. > What would be the recommend amount of memory for zfs across 6 drives on= > this setup? >=20 >=20 > Also can 9.1 now boot to zfs from the installer? > (no tricks for post install) Without cache, footprint of ZFS is larger than any other filesystem but it is really very tiny (8Mio if my memory is good). I run my server on an Intel Atom with 2GB of RAM, with Apache22, PHP, MySQL database and ejabberd. If you want to get ZFS on your system at install time, there are many scripts on the Internet, and if you want you can take mine: http://projet.beastie.eu/?p=3Dfreebsd-zfs.git;a=3Dblob_plain;f=3Dzfs.sh;h= b=3DHEAD Hoping it will help you. --=20 Florent Peterschmitt +33 (0)6 64 33 97 92 florent@peterschmitt.fr ------------------------ O< ascii ribbon campaign - stop html mail - www.asciiribbon.org ------enig2TVFFWEGVSJRCBTRKOXKH Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJRi7HwAAoJEMtO2Sol0IIm0u8H/17O/zebKxCMi2KCjZIvNGJ+ MlNRTUSIdztQbPSQRfry5H0s9WayIXevIMkbcBUM3fvjDXAxU4C+pNp4PsSpToG3 g71RAW/QdS+YnmwNdIt8AA4ChUHMazf6OXRPxHH++7f5f8iU4SWRevpVqcA62dkX 6WmVQXIcNNtbij9GV4XLpLuBys6chgxtp7YjimRPgsBRGvscNqZ20lqe6YGYBxRt iLU23bCQ55UaCLCFGqPMsiIDuqm8cnS52y8hRTIA8Pli8Obj6Qw9H+51YzXERp7q PRFVwcs8oaM11mXsaZiyF+c0ZdQ0zv+YDEGKfzEq6EzpzhD73l5B1YIZ4Ya4Usc= =fVvb -----END PGP SIGNATURE----- ------enig2TVFFWEGVSJRCBTRKOXKH--
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