Hi,

This is my second time trying to post this - the first time did not seem to 
work; my apologies if this ends up being a duplicate post.

I'm having an issue with FileDataModel.  In particular, suppose you have a main 
data file (say, /tmp/data.lst) and two incremental files (say, /tmp/data.1.lst 
and /tmp/data.2.lst).  Call refresh() on the recommender to cause it to read in 
all three files.  Now, "touch /tmp/data.2.lst" to simulate updating the second 
data file.  Then, call refresh again.  I find that the system reads in _both_ 
/tmp/data.1.lst and /tmp/data.2.lst, when I was expecting it to only read in 
/tmp/data.2.lst. 

This would obviously be a performance issue.  Am I doing something wrong?  Any 
help appreciated. 

Thanks, 

Eric



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