Date: Tue, 2 Aug 2011 19:16:02 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org, "seanrees@gmail.com" <seanrees@gmail.com> Subject: Re: ZFS directory with a large number of files Message-ID: <42039B84-D6CE-4780-AA70-8500B1B32036@gsoft.com.au> In-Reply-To: <20110802094226.GA93114@icarus.home.lan> References: <CAJGy1F0d7jeyaFuNdXe%2BucTL2r7R4suCyu8xG7WRHenMFZH-6g@mail.gmail.com> <20110802090830.GA92646@icarus.home.lan> <CAJGy1F0V65YB7L_1T-26O_gUkUUzn6mef036iuAw6HRGjxFRQA@mail.gmail.com> <20110802094226.GA93114@icarus.home.lan>
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On 02/08/2011, at 19:12, Jeremy Chadwick wrote: > When I was being taught the ropes of system administration at Oregon > State, the team of crotchety UNIX admins there made it quite clear = that > there were things you just Did Not Do(tm) to computer systems. = Shoving > thousands of files into a single directory with no hierarchy was one = of > them. Sounds like a terminal case of Stockholm syndrome ;) It might be avoidable by the user being nice to the computer, but come = on.. The computer is supposed to do tedious crap that humans don't like. I am pretty sure UFS does not have this problem. i.e. once you = delete/move the files out of the directory its performance would be good = again. If it is a limitation in ZFS it would be nice to know that, perhaps it = truly, really is a bug that can be avoided (or it's inherent in the way = ZFS handles such things) -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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