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From: "Henning P. Schmiedehausen" <hps@intermeta.de>
Newsgroups: hometree.linux.kernel
Subject: Re: 2.5.44-[mm3, ac2] time to tar zxf kernel tarball compared forvarious
Date: Thu, 24 Oct 2002 09:54:49 +0000 (UTC)
Organization: INTERMETA - Gesellschaft fuer Mehrwertdienste mbH
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Hans Reiser <reiser@namesys.com> writes:

>simple tests like this.  We recently ran into one with tar recognizing 
>that it was writing to /dev/null, and optimizing for it.

As stated in the info document. It is there for a reason (Amanda).

--- cut ---
   When the archive is being created to `/dev/null', GNU `tar' tries to
minimize input and output operations.  The Amanda backup system, when
used with GNU `tar', has an initial sizing pass which uses this feature.
--- cut ---

	Regards
		Henning


>Hans

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