On Sat, Jun 26, 2010 at 11:19, Gennady Kupava wrote:
>>> - flash dying
>
>>no big problem on replacable uSD
>
> yeah, it's much better to replace sd once in year for example but have +30%
> r/w speed during year.
Please, don't look at uSD cards as flash devices. They have wear
leveling mechanism
Hi,
> XFS is not prone to power failures anymore or it's not an issue on uSD
(without big cache as normal drives)?
i thought it is same to btrfs? i am using xfs on desktop for storing
data like films, audio and other big and non-critical data, have no
problems for 5 years. i've heard about 0 fil
Hi, list.
>It's good to see someone doing tests on this, but more info is needed
on what fs creation and mount options were applied by default.
all fses were created with default options, you can check published
script, which has mkfses line-by-line.
> Of particular interest would be whether btr
On Sat, Jun 26, 2010 at 09:03:00AM +, jougnz jougnz wrote:
> ARM Cortex-A8 600MHz (n900) vs Samsung 2442 400MHz (openmoko) ?
well brtfs benchmark shown pretty high cpu load and I think that MeeGo
people develop and target also newer devices then old n900 (maybe N9,
which I guess will be much f
> Date: Sat, 26 Jun 2010 09:45:53 +0200
> From: martin.ja...@gmail.com
> To: community@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.
&g
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
[cut]
> All tests were done on .34, yesterday git (with FIFO LCM patch). Short
> tests algorithm: for each fs: create fs on same mmc partition, mount
> (with noatime) and run bonnie in mounted directory, then umount. I did
> two runs to ensure results are sane.
Great work Gennady! Just two question
It's good to see someone doing tests on this, but more info is needed on what
fs creation and mount options were applied by default. These can have a major
effect on the results. Of particular interest would be whether btrfs used the
ssd option by default, and how the compress option would affec
Hi, list.
Unexpectedly, seems it's time for me to repartition my sd card.
So i decided to find which filesystem is best for current kernels, and
to share my results as this topic should be interesting to everyone who
is using sd card as storage for data.
The participants - btrfs nilfs2 ext2 ext3
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