Date: Mon, 9 Jan 2012 00:33:50 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: current@freebsd.org Subject: Re: CD9660/md(4)/UFS22 silly behaviour Message-ID: <20120108223350.GO31224@deviant.kiev.zoral.com.ua> In-Reply-To: <8401.1326061866@critter.freebsd.dk> References: <20120108222720.GN31224@deviant.kiev.zoral.com.ua> <8401.1326061866@critter.freebsd.dk>
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--6nIn9DQvaie41cmo Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jan 08, 2012 at 10:31:06PM +0000, Poul-Henning Kamp wrote: > In message <20120108222720.GN31224@deviant.kiev.zoral.com.ua>, Kostik Bel= ousov=20 > writes: >=20 > >What is the access patern ? Is it random access, or sequential read > >(from the cd9660 POV) ? >=20 > Random access to files in the CD9660 filesystem, which stores files > in sequential 2K blocks. Then it is reasonable. UFS reads full blocks. If you want/plan to use UFS volume for small reads exclusively, you can newfs it with much smaller block size, e.g. 8KB or even 4KB. --6nIn9DQvaie41cmo Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk8KGc4ACgkQC3+MBN1Mb4izNgCg5gcydbxaxaEOTcE5GlnCEUjY nfUAn23y4TBbh9taPxF2wdk82U2009qF =oGrM -----END PGP SIGNATURE----- --6nIn9DQvaie41cmo--
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