Messages in this thread |  | | | Subject | Re: ext2fs enhacement/fix [re: shrinking directories] | | Date | Fri, 17 Jul 1998 11:21:59 PDT | | From | "Marty Leisner" <> |
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Does that mean you have to unmount the file system?
> How about a simple utility, added to the ext2 utilities, that compacts > directories that can be run periodically as the user wishes. By the way > don't these ghost entries hamper performance, albeit possibly by a > negligible amount. I would think that these ghost entries get processed > along with the other entries whenever the directory is accessed. And if > this utility is made other file system optimization options can be thrown > in. Perhaps the directory entries can be sorted by their last access date > as the directory is compacted so as to improve file access performance. > > -----Original Message----- > From: Ted Deppner <ted@jasmine.psyber.com> > To: Chad C Giffin <typo@t-net.org>; linux-kernel@vger.rutgers.edu > <linux-kernel@vger.rutgers.edu> > Date: Thursday, July 16, 1998 1:27 PM > Subject: Re: ext2fs enhacement/fix [re: shrinking directories] > > > >On Thu, Jul 16, 1998 at 12:33:50AM -0400, Chad C Giffin wrote: > >> Although it is really not a problem for most that directory files do not > >> shrink on removal of directory entries, it still is a problem for some > and > >> should not be ignored IMO. > >> > >> I'd like to propose a solution that is not too complicated. > > > >[acceptable solution (if properly implimented) deleted] > > > >I'd like to pose the question, Is this really necessary? > > > >On your home machine I can't imagine more than 1mb on the average system > being > >wasted to this excess. > > > >On a server, I can't imagine _wanting_ to recover space (under any scheme) > >when most servers have a cyclic nature, and even if space were saved for a > >period of time, there was a time (hours or days ago) when the directory > NEEDED > >to be that large. > > > >And on busy servers, where you might have 20-30 mb tied up this way (a news > >machine just after expires), within 12 to 24 hours they'll be full again. > > > >In any case, I always have 100's of extra MBs of drive space laying around. > >Even if I could recover 50mb for 12 hours or a week, it I wouldn't care, > it's > >such a minor thing. > > > >-- > >Ted Deppner > >ted@psyber.com > >http://www.psyber.com > > > >- > -- marty leisner@sdsp.mc.xerox.com The Feynman problem solving Algorithm 1) Write down the problem 2) Think real hard 3) Write down the answer Murray Gell-mann in the NY Times
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