You can implement a FilterIndexReader that returns only a subset of an
index. Then use IndexWriter#addIndexes() to add this to a new, empty
index. Do this for each range of terms.
This is somewhat similar to Nutch's IndexSorter:
http://svn.apache.org/viewvc/lucene/nutch/trunk/src/java/org/apache/nutch/indexer/IndexSorter.java?view=markup
Note that IndexWriter#addIndexes() doesn't require that all IndexReader
methods be implemented.
Doug
Daniel Creão wrote:
I'd wanna split my lucene index in smaller segments, each one holding all
terms starting with the same char.
I started writing Term's and TermInfo's but i'm worried about others files
and especially the pointers.
What care should I have while splitting index?
- Daniel
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