[tahoe-dev] [tahoe-lafs] #947: Add file-with-metadata caps

Justin Stottlemyer justin.h.stottlemyer at gmail.com
Fri Feb 12 23:16:43 UTC 2010


Hey Tahoe Devs,
                  I'm interested in a commercial installation. I'm
interested in talking with you guys offline if possible.  If not, let me
know how you would like to talk.

Thanks,
   Justin

On Fri, Feb 12, 2010 at 11:56 AM, tahoe-lafs <trac at allmydata.org> wrote:

> #947: Add file-with-metadata caps
>
> ------------------------------+---------------------------------------------
>  Reporter:  kpreid            |           Owner:  nobody
>     Type:  enhancement       |          Status:  new
>  Priority:  major             |       Milestone:  undecided
> Component:  unknown           |         Version:  unknown
>  Keywords:  inodes, metadata  |   Launchpad_bug:
>
> ------------------------------+---------------------------------------------
>  Web architecture expects that a resource has a Content-Type. Modern
>  filesystems have "extended attributes" per file as well as metadata such
>  as modification time, and it is desirable to back these things up. Both of
>  these things point to the idea that there ought to be addressable
>  (has-a-URL) objects which designate the metadata as well as the file data
>  (binary blob). My understanding of current Tahoe architecture is that all
>  metadata is instead stored in the rows of the directory objects.
>
>  Additionally, metadata should be mutable iff the file is, so that it can
>  be updated in-place without access to every directory which might contain
>  it.
>
>  I imagine that these objects would ''contain'' a current-design file cap,
>  rather than themselves containing the file data, so that we still get the
>  convergent encryption space advantage even if file metadata differs among
>  separately-created instances.
>
>  This idea raised at friam 2010-02-12.
>
> --
> Ticket URL: <http://allmydata.org/trac/tahoe/ticket/947>
> tahoe-lafs <http://allmydata.org>
> secure decentralized file storage grid
> _______________________________________________
> tahoe-dev mailing list
> tahoe-dev at allmydata.org
> http://allmydata.org/cgi-bin/mailman/listinfo/tahoe-dev
>
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