java lucene性能优化 方案（支持千万级）

基本能做到 10G的数据 0.0x秒返回

只要 
1、将Searcher searcher = new IndexSearcher(reader);替换为InaccurateIndexSearcher searcher = new InaccurateIndexSearcher(reader, 5000); 
2、将Hits hits = searcher.search(query);替换为InaccurateHits hits = searcher.search(query, sort, ascending); 
就行了

package org.apache.lucene.search;

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 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License Version 2.0
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 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      16569  2007-05-15 11:14  org\apache\lucene\search\InaccurateBooleanScorer2.java

     文件       6238  2007-05-15 11:10  org\apache\lucene\search\InaccurateBooleanWeight2.java

     文件       3531  2007-05-15 11:09  org\apache\lucene\search\InaccurateHit.java

     文件       2339  2007-05-15 11:08  org\apache\lucene\search\InaccurateHitIterator.java

     文件       7067  2007-05-15 11:07  org\apache\lucene\search\InaccurateHits.java

     文件       4267  2007-05-15 10:56  org\apache\lucene\search\InaccurateIndexSearcher.java

     文件       3109  2007-05-15 11:03  org\apache\lucene\util\InaccurateResultAggregation.java

     目录          0  2007-05-15 10:50  org\apache\lucene\search

     目录          0  2007-05-15 10:50  org\apache\lucene\util

     目录          0  2007-05-15 10:50  org\apache\lucene

     目录          0  2007-05-15 10:50  org\apache

     目录          0  2007-05-15 10:50  org

     文件       1075  2007-05-15 12:08  readme.txt

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