Date: Tue, 10 Jul 2007 07:47:03 -0500 From: Eric Anderson <anderson@freebsd.org> To: Gore Jarold <gore_jarold@yahoo.com> Cc: freebsd-fs@freebsd.org Subject: Re: help needed - tuning a filesystem for rm and cp ? (MORE) Message-ID: <46937FC7.1040306@freebsd.org> In-Reply-To: <423307.86822.qm@web63003.mail.re1.yahoo.com> References: <423307.86822.qm@web63003.mail.re1.yahoo.com>
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Gore Jarold wrote: > Some more information on my question... > > The directories on the single mount point that I am > referring to are varied in depth and density - but > some of them have as many as a few million inodes in > them and can go 5-10 levels deep. > > But that is not a rule - it is a large multi-user > system (think old school shell server) with hundreds > of users that can populate their home directories with > anything they want. The only thing I can say for sure > is that I am using 2.5 TB of space (out of 8 TB) and > am using 23.8 million inodes. > > So it's not that dense with inodes at all, but there > is no telling how even a distribution that is - a > cp/rm target might not be represented well by the > average (ie. they might be very sparse or very dense) > > So again, all is well, but I have these long 'cp' and > 'rm' processes that I would like to speed up, if > possible. > > All else being equal, how do you optimize a system for > copying from one place to another on the same mount > point ? How do you optimize a system for fast file > deletion ? Are the two mutually exclusive ? Are you cp'ing a tree, and then deleting one of its copies? Are you running 6-STABLE or -CURRENT? (sorry if I missed that part) Eric
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