very simple datastore reimplementation

Marco Pesenti Gritti mpgritti at gmail.com
Thu May 8 14:22:02 EDT 2008


On Thu, May 8, 2008 at 4:22 PM, Jim Gettys <jg at laptop.org> wrote:
> On Thu, 2008-05-08 at 16:06 +0200, Tomeu Vizoso wrote:
>  > On 5/8/08, Jim Gettys <jg at laptop.org> wrote:
>  > > On Thu, 2008-05-08 at 13:09 +0000, Tomeu Vizoso wrote:
>  > >
>  > > > I'm having trouble understanding what you are requesting and what
>  > > > could be done about that.
>  > > >
>  > > > Can you please enumerate the requirements that affect the internal
>  > > > file layout and any other view that we may be able to provide?
>  > >
>  > > That there is *some* hope of finding a file by a human in a raw file
>  > > system, that can be done with software already present on the system....
>  >
>  > With the proposed metadata text file, there's already that hope. You
>  > think it's not enough and you may very well be right. What I'm asking
>  > is: how big an effort are we willing to devote to this and until which
>  > point we want to compromise on robustness and simplicity?
>
>  Until we know what the tradeoffs really are, we need to explore in this
>  direction.  Names only as hashes has proved to be a major headache in
>  practice in the field.

That's true. But I also think the FUSE layer will make a big
difference in this regard, at the point that it *might* be enough.

I agree anyway that more transparency at the raw file system level
would be desiderable and that we should figure out what are exactly
the tradeoffs there.

Marco



More information about the Devel mailing list