Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 10 Jul 2007 10:31:38 +0200
From:      Ivan Voras <ivoras@fer.hr>
To:        freebsd-fs@freebsd.org
Subject:   Re: help needed - tuning a filesystem for rm and cp ? (MORE)
Message-ID:  <f6vg5a$4m5$1@sea.gmane.org>
In-Reply-To: <423307.86822.qm@web63003.mail.re1.yahoo.com>
References:  <423307.86822.qm@web63003.mail.re1.yahoo.com>

next in thread | previous in thread | raw e-mail | index | archive | help
This is an OpenPGP/MIME signed message (RFC 2440 and 3156)
--------------enig9A445193D0C221B8C860A78B
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: quoted-printable

Gore Jarold wrote:

> All else being equal, how do you optimize a system for
> copying from one place to another on the same mount
> point ?  How do you optimize a system for fast file
> deletion ?  Are the two mutually exclusive ?

You might try increasing vfs.ufs.dirhash_maxmem if the default's too low =

for you (see what "sysctl -a | grep dirhash" reports).

What does iostat report during these operations? MB/s, CPU utilization?=20
What time of it's spent in SYS?


--------------enig9A445193D0C221B8C860A78B
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (GNU/Linux)
Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org

iD8DBQFGk0PqldnAQVacBcgRAgsjAKDh+xh48awT8Jy7Ex7RuKQrxTOCAgCfeKMa
8wGHThPLoplcVP/8HHPigMA=
=Fd1D
-----END PGP SIGNATURE-----

--------------enig9A445193D0C221B8C860A78B--




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?f6vg5a$4m5$1>