Automatic reopen of IndexSearcher/IndexReader
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Key: LUCENE-874
URL: https://issues.apache.org/jira/browse/LUCENE-874
Project: Lucene - Java
Issue Type: Improvement
Components: Search
Reporter: João Fonseca
Priority: Minor
To improve performance, a single instance of IndexSearcher should be used.
However, if the index is updated, it's hard to close/reopen it, because
multiple threads may be accessing it at the same time.
Lucene should include an out-of-the-box solution to this problem. Either a new
class should be implemented to manage this behaviour (singleton IndexSearcher,
plus detection of a modified index, plus safely closing and reopening the
IndexSearcher) or this could be behind the scenes by the IndexSearcher class.
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