From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ivan Ivanov Subject: Re: Simple preformance test Date: Thu, 11 Apr 2002 17:07:31 +0300 Sender: ivandi@magic.vamo.orbitel.bg Message-ID: <3CB598A3.483349D2@vamo.orbitel.bg> References: <20020411165627.A992@namesys.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: List-Id: Content-Type: text/plain; charset="us-ascii" To: Oleg Drokin Cc: reiserfs-list@namesys.com Oleg Drokin wrote: > Hello! > > On Thu, Apr 11, 2002 at 03:14:03PM +0300, Ivan Ivanov wrote: > > dd if=/dev/zero of=testdir/$d1/$f1$f2$f3$f4 \ > > bs=$block_size count=$blocks_count \ > > >/dev/null 2>&1 > > rm -f testdir/$d1/$f1$f2$f3$f4 > > This is the explanation of your speedup. > You try to write to a file, but there is not enough space and file is not > created, but you did not notice. > And then you delete nonexistent files, and no doubts this is very fast > operation ;) > > BTW, if you turn off tails, your numbers might get faster, but space usage > will get worse. > > Bye, > Oleg Filesystem 1k-blocks Used Available Use% Mounted on /dev/hda7 1172672 1170676 1996 100% /mnt/test I know this but df shows 1996 blocks free ------ Ivan