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SubjectRe: ext2fs enhacement/fix [re: shrinking directories]


On Thu, 16 Jul 1998, Chris Wedgwood wrote:

:Date: Thu, 16 Jul 1998 18:44:29 +1200
:From: Chris Wedgwood <chris@cybernet.co.nz>
:To: Chad C Giffin <typo@t-net.org>
:Cc: linux-kernel <linux-kernel@vger.rutgers.edu>
: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.
:>
:> The solution is simple. When a file system is found idle, a thread wakes
:> up and systematicly house cleans the directory files. When the file
:> system becomes active, the thread either
:>
:> 1. stops
:> or 2. works on another directory that is not being accessed
:> while operating at a very low priority
:
:How does this scale to large machines like new-servers (where large
:directories can indeed be an issue) where you might have 80GB of disk and
:several million directories?
:
:Oh, and such machines are _never_ idle. Not even close.

Did you read the entire posting?

Chad C Giffin



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