On Sep 30, 2005, at 3:42 PM, haipeng du wrote:
When I search the lucene, do I need to take care of Lucene lock? I
check the
api of Lucene, it will call IndexReader.rewrite(). Does this one
need a lock
for lucene index file?
Thanks a lot.
No locking is used for searching. There is no IndexReader.rewrite()
method - you must be thinking of IndexSearcher. That "rewrite"
method does not write anything to the index, it is to re-format the
Query in memory as a more primitive type of Query. For example, a
RangeQuery gets rewritten as a BooleanQuery OR'ing all matching terms
as TermQuery's.
Erik
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