Date: Wed, 29 May 2002 22:32:08 -0400 (EDT) From: Peter Leftwich <Hostmaster@Video2Video.Com> To: Matthias Buelow <mkb@mukappabeta.de> Cc: Dan Nelson <dnelson@allantgroup.com>, FreeBSD LIST <FreeBSD-Questions@FreeBSD.Org> Subject: Re: mv vs. tar [overlapping] Message-ID: <20020529223005.O79882-100000@earl-grey.cloud9.net> In-Reply-To: <20020530022609.GA956@altair.mukappabeta.net>
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On Thu, 30 May 2002, Matthias Buelow wrote: > Dan Nelson writes: > > A tar pipe will be much faster, since reading and writing will be overlapped. > > ( cd /source ; tar cf - . ) | ( cd destination ; tar xfp - ) > eh? sorry but I think that's nonsense. --mkb Actually, it's an interesting point... I think what Dan means is that read and write processes run concurrently (have you ever run multiple HTTP requests at once? it's a lot like that I suppose). So it would seem tarring is quickest when moving a directory within the same filesystem! -- Peter Leftwich President & Founder Video2Video Services Box 13692, La Jolla, CA, 92039 USA +1-413-403-9555 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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