Re: What does FSFS stand for?

On Feb 23, 2007, at 23:35, David Jacopille wrote:

> I've checked the docs and FAQ and haven't found an expansion on
> FSFS including what the acronym stands for. There's a FSFS project
> at http://fsfs.sourceforge.net/ where the acronym stands for "Fast
> Secure File System" but Google didn't find any relationship
> between Subversion's FSFS and Fast Secure File System (plus they
> use CVS for their version control - cretins!).
>
> I'm asking because Fast Secure File System just made the leap from
> version 0.0.3 to 0.1.0 a month ago and if used in Subversion then
> the state of FSFS development would impact my choice of that
> technology for a production versioning system.

I don't know what exactly FSFS is supposed to stand for, but it is a
way to store a Subversion repository that is unique to Subversion; it
is not related to fsfs.sf.net or any other project, AFAIK.

I can point you to this part of the book:

http://svnbook.red-bean.com/en/1.2/
svn.reposadmin.html#svn.reposadmin.basics.backends

"As of Subversion 1.1, there are two options for storing data in a
Subversion repository. One type of repository stores everything in a
Berkeley DB database; the other kind stores data in ordinary flat
files, using a custom format. Because Subversion developers often
refer to a repository as “the (versioned) filesystem”, they have
adopted the habit of referring to the latter type of repository as
FSFS [14] —a versioned filesystem implementation that uses the
native OS filesystem to store data."

So it seems "FSFS" means "the filesystem-based filesystem."

I can also point you to this FSFS propaganda document describing the
ways in which it's better and worse than the BDB alternative:

http://svn.collab.net/repos/svn/trunk/notes/fsfs

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