On 06/08/2011, at 5:17, Patrick M. Hausen wrote: > Am 05.08.2011 um 17:12 schrieb Christian Weisgerber: >> Daniel Kalchev <dan...@digsys.bg> wrote: >> >>> On 02.08.11 12:46, Daniel O'Connor wrote: >>>> I am pretty sure UFS does not have this problem. i.e. once you >>>> delete/move the files out of the directory its performance would be >>>> good again. >>> >>> UFS would be the classic example of poor performance if you do this. >> >> "Classic" indeed. UFS dirhash has pretty much taken care of this >> a decade ago. > > While dirhash is quite an improvement, it is definitely no silver bullet. > > When I asked Kirk McKusick at last year's EuroBSDCon if having > a six-figure number of files in a single directory was a clever idea > (I just had a customer who ran into that situation), he just smiled > and shook his head.
Ahh, but OP had moved these files away and performance was still poor.. _that_ is the bug. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
