Date: 29 May 2002 22:28:41 -0500 From: Kirk Strauser <kirk@strauser.com> To: freebsd-questions@freebsd.org Subject: Re: mv vs. tar [overlapping] Message-ID: <87bsayjouu.fsf@pooh.int> In-Reply-To: <20020530030413.GA1063@altair.mukappabeta.net> References: <20020530022609.GA956@altair.mukappabeta.net> <20020529223005.O79882-100000@earl-grey.cloud9.net> <20020530030413.GA1063@altair.mukappabeta.net>
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At 2002-05-30T03:04:13Z, Matthias Buelow <mkb@mukappabeta.de> writes: > Without (even empirical) proof, I somehow doubt that there is much > difference in I/O-performance between reading and writing blocks in one > process and doing the same in two different ones; I mean, the disk doesn't > seek faster all of a sudden because of that, and if you read n blocks in > process 1, and write them in process 2, or do the same in one process, it > should be quite the same. That's assuming that 1) the source and destination are on the same drive, and 2) the filesystem(s) in question aren't on RAID volumes. In either of those cases, parallelizing transfers will certainly increase performance. -- Kirk Strauser The Strauser Group - http://www.strausergroup.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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