Date: Fri, 30 Sep 2005 21:08:49 +0100 From: David Malone <dwmalone@maths.tcd.ie> To: Vaclav Haisman <V.Haisman@sh.cvut.cz> Cc: freebsd-hackers@freebsd.org Subject: Re: journaling fs and large mailbox format Message-ID: <20050930200849.GA84809@walton.maths.tcd.ie> In-Reply-To: <20050930213905.M74024@logout.sh.cvut.cz> References: <433B3F41.8060004@spintech.ro> <433B60EE.4090207@centtech.com> <433C9A64.3030602@spintech.ro> <433C9E44.8000800@FreeBSD.org> <20050930213905.M74024@logout.sh.cvut.cz>
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On Fri, Sep 30, 2005 at 09:43:13PM +0200, Vaclav Haisman wrote: > I don't think that frag, inode and block size is the main factor that makes > XFS work well in many small files situations. From what I have read about > XFS I gather that it allocates inodes on demand, that it doesn't have fixed > amount of them. Nope - not by default on a Linux 2.6.12 kernel anyway: David. 11% df -i . Filesystem Inodes IUsed IFree IUse% Mounted on /dev/sda2 96384 31 96353 1% /boot 12% mount | fgrep /boot /dev/sda2 on /boot type xfs (rw) 13% @ i=0 14% while ( $i < 96358 ) while? touch $i while? @ i++ while? end touch: cannot touch `96353': No space left on device touch: cannot touch `96354': No space left on device touch: cannot touch `96355': No space left on device touch: cannot touch `96356': No space left on device touch: cannot touch `96357': No space left on device 16% df -i /boot Filesystem Inodes IUsed IFree IUse% Mounted on /dev/sda2 96384 96384 0 100% /boot
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