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On 23/01/14 10:36, David Sterba wrote:
> 'Theoretical best' seems too vaguely defined,
It seems like a good thing for someone to tackle as part of a master's
thesis :-)
> with compression it's always some trade-off and compromise
Which you can put i
On Wed, Jan 22, 2014 at 12:55:39PM -0800, Roger Binns wrote:
> There was the theoretical side - ie coming up with a way of defining
> perfection which then allows measuring against. For example you have
> going up to a 128K block size but without knowing the theoretical best we
> don't know if tha
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On 22/01/14 04:12, David Sterba wrote:
> I have done some work here, so far it's stalled due to more important
> work.
>
> https://btrfs.wiki.kernel.org/index.php/Project_ideas#Compression_enhancements
>
> Do you have other suggestions beyond what's
On Wed, Jan 22, 2014 at 01:05:33PM +0100, David Sterba wrote:
> On Sat, Jan 18, 2014 at 12:50:54PM +, Toggenburger Lukas wrote:
> > Hello Tomasz
> >
> > > Have you considered per-file/per-directory selection of raid level?
> >
> > Sounds great, I haven't thought about it before.
> >
> > Do y
On Wed, Jan 22, 2014 at 01:20:10PM +0100, David Sterba wrote:
> I haven't done any extensive testing, only streaming writes, and the
> heuristic just batched writes by a given threshold before switching to
> another mirror. Load balancing was done without any logic that would
> look at actual IO l
On Tue, Jan 21, 2014 at 04:52:00PM +, Hugo Mills wrote:
> On Tue, Jan 21, 2014 at 07:25:43AM -0500, Austin S Hemmelgarn wrote:
> > > Maybe this happens already: Might a similar effect be automatically
> > > achieved by tracking per-device I/O load averages and distributing
> > > reads based on
On Sun, Jan 19, 2014 at 09:44:39PM -0800, Roger Binns wrote:
> If you are more interested in the theoretical side then looking into
> compression would be interesting. ie how close to the theoretical best
> compression are we. Various filesystems like btrfs and NTFS make all
> sorts of compromise
On Sat, Jan 18, 2014 at 12:50:54PM +, Toggenburger Lukas wrote:
> Hello Tomasz
>
> > Have you considered per-file/per-directory selection of raid level?
>
> Sounds great, I haven't thought about it before.
>
> Do you or someone else know what the current state of development is?
> Is someone
On 2014-01-21 11:52, Hugo Mills wrote:
> On Tue, Jan 21, 2014 at 07:25:43AM -0500, Austin S Hemmelgarn wrote:
>> On 2014-01-21 01:42, Sandy McArthur wrote:
>>> On Mon, Jan 20, 2014 at 7:20 AM, Austin S Hemmelgarn
>>> wrote:
On 2014-01-16 14:23, Toggenburger Lukas wrote:
> 3. Improvin
On Tue, Jan 21, 2014 at 07:25:43AM -0500, Austin S Hemmelgarn wrote:
> On 2014-01-21 01:42, Sandy McArthur wrote:
> > On Mon, Jan 20, 2014 at 7:20 AM, Austin S Hemmelgarn
> > wrote:
> >>
> >> On 2014-01-16 14:23, Toggenburger Lukas wrote:
> >>> 3. Improving subvolume handling regarding taking recu
On 2014-01-21 01:42, Sandy McArthur wrote:
> On Mon, Jan 20, 2014 at 7:20 AM, Austin S Hemmelgarn
> wrote:
>>
>> On 2014-01-16 14:23, Toggenburger Lukas wrote:
>>> 3. Improving subvolume handling regarding taking recursive snapshots (
>>> https://btrfs.wiki.kernel.org/index.php/Project_ideas#Take
On Mon, Jan 20, 2014 at 7:20 AM, Austin S Hemmelgarn
wrote:
>
> On 2014-01-16 14:23, Toggenburger Lukas wrote:
> > 3. Improving subvolume handling regarding taking recursive snapshots (
> > https://btrfs.wiki.kernel.org/index.php/Project_ideas#Take_recursive_snapshots
> > ) and taking snapshots
On 2014-01-16 14:23, Toggenburger Lukas wrote:
> Hi all
>
> I'm a student of ICT currently doing my master's degree besides working as a
> research assistant. Currently I'm looking for topics for my master thesis.
> One of my ideas was to work on Btrfs. I studied the list of project ideas at
>
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On 16/01/14 11:23, Toggenburger Lukas wrote:
> One of my ideas was to work on Btrfs.
One thing I would like see it automatic backup copies of data. For
example if you are only using 10% of the total space then make an
additional 9 copies of the data
m: linux-btrfs-ow...@vger.kernel.org [linux-btrfs-ow...@vger.kernel.org] on
behalf of Tomasz Torcz [to...@pipebreaker.pl]
Sent: Friday, January 17, 2014 5:04 PM
To: linux-btrfs@vger.kernel.org
Subject: Re: Working on Btrfs as topic for master thesis
On Thu, Jan 16, 2014 at 07:23:18PM +, Togg
On Thu, Jan 16, 2014 at 07:23:18PM +, Toggenburger Lukas wrote:
> Hi all
>
> I'm a student of ICT currently doing my master's degree besides
> working as a research assistant. Currently I'm looking for topics for
> my master thesis. One of my ideas was to work on Btrfs. I studied the
> list of
On Thu, Jan 16, 2014 at 07:23:18PM +, Toggenburger Lukas wrote:
> Hi all
> I'm a student of ICT currently doing my master's degree besides working as
> a research assistant. Currently I'm looking for topics for my master thesis.
> One of my ideas was to work on Btrfs. I studied the list of proj
Hi all
I'm a student of ICT currently doing my master's degree besides working as a
research assistant. Currently I'm looking for topics for my master thesis. One
of my ideas was to work on Btrfs. I studied the list of project ideas at
https://btrfs.wiki.kernel.org/index.php/Project_ideas and a
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