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The "FieldOptionsByUseCase" page has been changed by SaschaSzott.
http://wiki.apache.org/solr/FieldOptionsByUseCase?action=diff&rev1=11&rev2=12

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  Notes:
  
   1. ''recommended but not necessary''
-  1. stored must always be true for highlighting. If you also add both 
termVectors and termOffsets, this can be used to boost performance. (Without 
termVectors/termOffsets, Solr needs to reanalyze the whole document to perform 
highlighting.) If you furthermore add termPositions, additional speedup may be 
possible.
+  1. stored must always be true for highlighting. If you also add both 
termVectors and termOffsets, this can be used to boost performance. (Without 
termVectors/termOffsets, Solr needs to reanalyze the whole document to perform 
highlighting.) If you furthermore add termPositions, additional speedup may be 
possible. Note, that you must index the field in order to be able to use 
termVectors, termOffset and termPositions.
   1. ''a tokenizer must be defined for the field, but it doesn't need to be 
indexed''
   1. ''For use with the TermVectorComponent''
   1. Uses the term vector if present, otherwise the stored field.  Reanalyzes 
the document if using the stored field.

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