Re: reading an empty directory after reboot is very slow
On 2015-04-14 12:15:03 +0300, Reco wrote:
> On Tue, Apr 14, 2015 at 09:22:15AM +0200, Petter Adsen wrote:
> > On Tue, 14 Apr 2015 10:12:28 +0300
> > Reco <recoverym4n@gmail.com> wrote:
> > > On Tue, Apr 14, 2015 at 08:58:20AM +0200, Petter Adsen wrote:
> > > Removing files from the directory does not change directory's inode
> > > size. If using ext4, at least.
> >
> > Interesting. Also good to know. Thank you :)
> >
> > But if you create new files in that directory after deleting them, I
> > expect the inodes get reallocated?
>
> Yes, they should.
>
>
> > Is this specific to Linux/ext4?
>
> No. I'm not sure about vxfs, btrfs and zfs (or rather - lazy to check
> it), but for ext family, ufs and jfs2 - it works all the same.
According to comments on
http://unix.stackexchange.com/questions/38639/how-to-compact-a-directory
"xfs autoshrinks directories that have had files removed from them."
"ufs on the BSDs and Mac HFS both shrink directories on the fly also."
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
Reply to: