Is there any way to optimize existing unoptimized index?

[maureen tanuwidjaja]

Hi,
  
  May I also ask wheter there is a way to use writer.optimize() without 
indexing the files from the beginning?
  
  It took me about 17 hrs to finish building an unoptimized index(finish  when 
I call IndexWriter.close() ).I just wonder wheter this existing  index could be 
optimized...
  
  THanks and Best Regards,
  Maureen
  
 
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