DragonFly BSD
DragonFly kernel List (threaded) for 2003-11
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Re: Xml in packaging system

From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Sat, 1 Nov 2003 11:43:21 -0800 (PST)

:I know it might be a cardinal sin to ask this [out of ignorance], but 
:nevertheless I am curious.
:I'm interested to know what your opinion on a database-type fs is?  I am 
:not read up on the whole VFS idea, but a lot of the ideas you mention 
:sound like they could be accomplished with a database-fs using simple 
:masking.  However, I have a feeling that VFS is at more of a parent 
:level than the fs implimentation itself.  I'm not making any bold 
:suggestions (as your ideas sound great), I'd just like to know your 
:opinion :-)
    I think it's a huge mistake.  I like the idea of giving a filesystem
    a transactional capability, but trying to build a filesystem *OUT* of
    a database is a huge mistake.  Databases have a lot of overhead, even
    when the query is optimize, and even though this overhead is primarily
    cpu overhead (not I/O overhead), it will still be ten times the cpu 
    overhead that a normal filesystem would have.


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