Linked by Thom Holwerda on Sat 18th Nov 2006 18:20 UTC, submitted by bnolsen
Linux "SpadFS is a new filesystem that I design and develop as my PhD thesis. It is an attempt to bring features of advanced filesystems (crash recovery, fast directories) and good performance without increasing code complexity too much. Uses crash counts instead of journaling (because journaling is too complex and bug-prone) and uses hash instead of btrees for directory organization."
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This is pretty funny.

Databases are a higher level paradigm than filesystems. As mentioned above, you need to put a database onto a filesystem to make it useful. Then of course you end up with more overhead.

BeOS tried a database fs orignally and ended up ditching it for a more traditional filesystem. MS played with it for Longhorn and ditched the idea also.

Layers of building blocks work better than monolithic giants. They're easier to implement, test and keep stable.

What I like most about the spad filesystem is the codebase size. Currently it's LOC count is even less than ext2. Generally more elegant solutions end up being smaller.

Edited 2006-11-21 15:37

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