Date: Mon, 8 Jun 2009 09:01:23 +0200 From: Kai Gallasch <gallasch@free.de> To: freebsd-fs@freebsd.org Subject: Re: ZFS v13 performance drops with low memory on FreeBSD-7 STABLE Message-ID: <20090608090123.13c21d5f@boiler.free.de> In-Reply-To: <h0hnil$r5h$1@ger.gmane.org> References: <4A2AA48B.20803@free.de> <h0hnil$r5h$1@ger.gmane.org>
next in thread | previous in thread | raw e-mail | index | archive | help
--Sig_/qIJ7xaFaCLxoO1EqM_e7Cku Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 08 Jun 2009 02:55:22 +0200 wrote Ivan Voras <ivoras@freebsd.org>: > Kai Gallasch wrote: > > Hi. > >=20 > > So for me this looks like when running applications and ZFS compete > > for free RAM, ZFS looses. Is that so? >=20 > Yes, that was the point of recent work in stabilizing ZFS - without it > you would probably panic. With it, ZFS's memory is shrunk down. Unless > there are other factors (like swapping; are you swapping on ZFS?), > this is the probable reason for what you're seeing. No. Swapspace is on a standard swap partition outside the zpool. # swapinfo=20 Device 1K-blocks Used Avail Capacity /dev/da0s3b 8388608 11636 8376972 0% There's barely swapping taking place on the server. --Kai. --Sig_/qIJ7xaFaCLxoO1EqM_e7Cku Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkost0MACgkQFvpAnxJUoYa3IgCeKsp1NmUrf4wuWNy/F6/NBLvh p0EAn0X6GL+i3Q7BgjAfYCn5R2tpQBP1 =Y3Fi -----END PGP SIGNATURE----- --Sig_/qIJ7xaFaCLxoO1EqM_e7Cku--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20090608090123.13c21d5f>