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>
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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--
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