If you were a *Solr* user, I could say "try the 'termfreq' function query":
termfreq(field,term) returns the number of times the term appears in the
field for that document.
Example Syntax: termfreq(text,'memory')
See:
http://wiki.apache.org/solr/FunctionQuery#tf
Lucene does have "Funct
I imagine this is a question that comes up from time to time, but I
haven't been able to find a definitive answer anywhere, so...
I'm wondering whether there is some type of Lucene query that filters by
term frequency. For example, suppose I want to find all documents that
have exactly 2 occ
After a number of test, the performance of MMapDirectory is not even close
to that of RAMDirectory, in terms of speed.
My application w/ the former can only deal with 10 tasks per round while it
could handle over 90 w/ RAMDirectory.
I use the application in Linux.
What can be the reasons?
Thank
