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Re: du: cache directory size
From: |
Andreas Schwab |
Subject: |
Re: du: cache directory size |
Date: |
Thu, 03 Jul 2008 15:26:56 +0200 |
User-agent: |
Gnus/5.110009 (No Gnus v0.9) Emacs/22.2 (gnu/linux) |
Mildred <address@hidden> writes:
> I was thinking that perhaps caching the size of directories could bu
> useful. Perhaps, after du computes the size of a directory, it could
> write its size in its extended attributes (if the filesystem support
> it). Next time, du would only compare the directory atime (or mtime
> perhaps) with the time of the scan. That could possibly save some time
> during the scan.
Just because a directory is unchanged does not mean that all files and
subdirectories beneath it are unchanged as well.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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"And now for something completely different."