Date: Fri, 16 Jan 1998 00:19:40 -0200 (EDT) From: Joao Carlos Mendes Luis <jonny@coppe.ufrj.br> To: mike@smith.net.au (Mike Smith) Cc: jonny@coppe.ufrj.br, hackers@FreeBSD.ORG Subject: Re: Directory Search Optimization Message-ID: <199801160219.AAA07787@gaia.coppe.ufrj.br> In-Reply-To: <199801160207.MAA01037@word.smith.net.au> from Mike Smith at "Jan 16, 98 12:37:06 pm"
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#define quoting(Mike Smith) // > Sometime ago I've heard about directory search optimizations in FreeBSD. // > How is this going ? // > // > I have a small "problem" in /var/spool/mqueue, with 22k files. Just // > removing some of them takes stupid ammounts of time and CPU: // // What happens if you mount the filesystem async? We regularly have I had to do this while removing the trash. Still, it took around to 10 minutes to remove 20k files. And it was only the rm. // directories many more files than that (eg. we have a disk in for // replacement with several directories with more than 100,000 files in // them). We do try to discourage users from doing this, but working with // them isn't all that bad. If you say that having your mail spool in an async file system is not bad, I hope this mail gets intact to you. :) Of course, in Linux they always do this, but who cares for them ? :)))) Jonny -- Joao Carlos Mendes Luis jonny@gta.ufrj.br +55 21 290-4698 jonny@coppe.ufrj.br Universidade Federal do Rio de Janeiro UFRJ/COPPE/CISI PGP fingerprint: 29 C0 50 B9 B6 3E 58 F2 83 5F E3 26 BF 0F EA 67
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