On Thu, Sep 30, 2010 at 3:15 AM, Sander wrote:
> Yuehai Xu wrote (ao):
>> So, is it a bottleneck in the case of SSD since the cost for over
>> write is very high? For every write, I think the superblocks should be
>> overwritten, it might be much more frequent than other co
On Thu, Sep 30, 2010 at 3:51 AM, David Brown wrote:
> On 29/09/2010 23:31, Yuehai Xu wrote:
>>
>> On Wed, Sep 29, 2010 at 3:59 PM, Sean Bartell
>> wrote:
>>>
>>> On Wed, Sep 29, 2010 at 02:45:29PM -0400, Yuehai Xu wrote:
>>>>
>>>
On Wed, Sep 29, 2010 at 3:59 PM, Sean Bartell wrote:
> On Wed, Sep 29, 2010 at 02:45:29PM -0400, Yuehai Xu wrote:
>> On Wed, Sep 29, 2010 at 1:08 PM, Sean Bartell
>> wrote:
>> > On Wed, Sep 29, 2010 at 11:30:14AM -0400, Yuehai Xu wrote:
>> >> I know BTRFS is
On Wed, Sep 29, 2010 at 1:08 PM, Sean Bartell wrote:
> On Wed, Sep 29, 2010 at 11:30:14AM -0400, Yuehai Xu wrote:
>> I know BTRFS is a kind of Log-structured File System, which doesn't do
>> overwrite. Here is my question, suppose file A is overwritten by A',
>&g
Hi,
On Wed, Sep 29, 2010 at 11:37 AM, Dipl.-Ing. Michael Niederle
wrote:
> Hi Yuehai!
>
> I tested nilfs2 and btrfs for the use with flash based pen drives.
>
> nilfs2 performed incredibly well as long as there were enough free blocks. But
> the garbage collector of nilfs used too much IO-bandwid
Hi,
I know BTRFS is a kind of Log-structured File System, which doesn't do
overwrite. Here is my question, suppose file A is overwritten by A',
instead of writing A' to the original place of A, a new place is
selected to store it. However, we know that the address of a file
should be recorded in i
