sd performance tests, bonnie++ with different filesystems.
jougnz at hotmail.com
Sat Jun 26 11:03:00 CEST 2010
> Date: Sat, 26 Jun 2010 09:45:53 +0200
> From: martin.jansa at gmail.com
> To: community at lists.openmoko.org
> Subject: Re: sd performance tests, bonnie++ with different filesystems.
> On Thu, Jun 24, 2010 at 03:57:30PM +0400, Gennady Kupava wrote:
> > Hi, list.
> Hi Gennady,
> > my conclusion here is that good filesystems:
> > ext2 and ext4 have same performance in this test.
> > reiserfs is best, despite of name of it's creator.
> > ext2 is good except file creation and remove.
> > xfs is good except file creation and remove.
> > ext3 is good _for_ file creation and remove.
> Interesting how bad results you got for brtfs (I guess that MeeGo people
> also did some benchmarks, before selecting is as default fs). Maybe
> because rather slow cpu in freerunner?
ARM Cortex-A8 600MHz (n900) vs Samsung 2442 400MHz (openmoko) ?
This is the important argument. I suppose that the freerunner developers need to write
software better than other which developes for n900 :)
Suppose that the btrfs has the following problems:
- flash dying
- problem with bootloaders
> > so, my choise of fs will be:
> > /boot -> ext2 for compatibility
> > /, /usr -> xfs, need fast block r/w.
> XFS is not prone to power failures anymore or it's not an issue on uSD
> (without big cache as normal drives)?
> Thanks a lot for benchmark!
> Jansa 'JaMa' Martin jabber: Martin.Jansa at gmail.com
> Openmoko community mailing list
> community at lists.openmoko.org
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