-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 jdd wrote:
Rajko M. wrote:
The link http://pages.cs.wisc.edu/~vijayan/vijayan-thesis.pdf is about serious attempt to evaluate files systems. It is long read, even if you read only conclusions, but it seems fair.
it's really well wrtitten, so well that a=even a non-specialist can understand (most) of the content>. For a thesis, that's not so usual :-)
Hmm... you mean that non-specialists can handle or comprehend Markov Random Fields... :-) which a key to understanding the test model utilised. It is a good paper, and one can only wait until the research is complete... I intend to go over it in a little more depth at a later point ...
and the author seems to have written code to have an enhanced ext3 file system, do anybody know is ext3 programmers did use this or not?
I get the impression that the IRON methodology is more generally applicable, and I would suspect ext with IRON (ixt) is being used as an exemplar to test the impact of the model on an extant OS, ext is the choice out of either preference, simplicity or availability. Would be interesting see the impact on other file systems. This is an interim research report and as such is very interesting and promising, but I do think it is a bit early for the research to be transferred into a production model. It is based on an abstract model, and occasionally abstract models do not fit real world scenarios terribly well.
jdd
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