Thread (20 messages) 20 messages, 7 authors, 2008-08-07

Re: Porting Zfs features to ext2/3

From: Szabolcs Szakacsits <hidden>
Date: 2008-08-04 20:38:21

On Thu, 31 Jul 2008, Szabolcs Szakacsits wrote:
On Tue, 29 Jul 2008, Theodore Tso wrote:
quoted
What happens if you try benchmarking unpacking a kernel source tar.bz2 
file?  My guess is that ntfs-3g won't look as good.  :-)
It seems the tar.bz2 number is not so bad relatively but the metadata 
performance difference is much more visible by eliminating the compression 
overhead. The results are in second.

              ext3    ntfs-3g
  tar.bz2      7.7      12.4
  tar.gz       3.1       8.7
  tar          1.4       7.6
Sorry, I didn't use the currently best performing ntfs-3g version. 
Corrected results:

               ext3    ntfs-3g
               ----    -------
   tar.bz2      7.7      9.9
   tar.gz       3.1      6.0
   tar          1.4      4.9

Compilation of e2fsprogs:

                 ext3     ntfs-3g
                 ----     -------
   unpack        0.27       0.47
   configure     8.42       9.73
   make         21.35      23.33
   make -j      13.21      14.09
   make clean    0.20       0.24

Please not that ntfs-3g and fuse is not yet optimized for metadata 
operations.

	Szaka

--
NTFS-3G:  http://ntfs-3g.org
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