Messages in this thread |  | | | Date | Wed, 30 Sep 2009 21:44:04 +0200 | | Subject | Re: ext4/reiser3/btr directory create/read perf | | From | wbrana@gmail ... |
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On Wed, Sep 30, 2009 at 9:05 PM, <wbrana@gmail.com> wrote: > I reduced benchmark to 10 directories and executed with strace I meant 5 directories.
> > Times with 10000 directories and dir_index enabled > > /mnt/md8: 64 kB chunks > ext4 > void cfs::vdirs_create(): 4996 msec > void cfs::vdirs_read(): 5100 msec >
Times with 1000 directories and dir_index enabled /mnt/md8: 64 kB chunks reiser3 void cfs::vdirs_create(): 973 msec void cfs::vdirs_read(): 60 msec ext4 void cfs::vdirs_create(): 2435 msec void cfs::vdirs_read(): 3326 msec btrfs void cfs::vdirs_create(): 1036 msec void cfs::vdirs_read(): 155 msec
ext4 was 55 times slower than reiser3 in vdirs_read()
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