2004-03-18 14:58:26 -05:00
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<?xml version="1.0"?>
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<document>
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<properties>
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<author email="otis @ apache dot org">Otis Gospodnetić</author>
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2005-02-14 11:48:47 -05:00
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<title>Apache Lucene - System Properties</title>
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2004-03-18 14:58:26 -05:00
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</properties>
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<body>
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<section name="About this Document">
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<p>
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2005-07-13 17:08:05 -04:00
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Lucene has a number of properties that can be tuned. They can be adjusted either
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programmatically, using the Lucene API, or their default values can be set via
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system properties (only up to including Lucene 1.4) described in this document. Starting
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with Lucene 1.9, the system properties are not supported anymore and the API
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(i.e. the get/set methods) should be used directly.
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2004-03-18 14:58:26 -05:00
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</p>
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</section>
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<section name="System Properties">
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<p>
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<table width="100%" border="0" cellpadding="4" cellspacing="0">
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<tr valign="top">
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<td width="25%"><b>Lucene Property</b></td>
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<td width="25%"><b>System Property</b></td>
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<td width="25%"><b>Default Value</b></td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/index/IndexWriter.html#mergeFactor">mergeFactor</a>
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</td>
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<td width="25%">
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org.apache.lucene.mergeFactor
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</td>
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<td width="25%">
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10
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/index/IndexWriter.html#minMergeDocs">minMergeDocs</a>
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</td>
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<td width="25%">
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org.apache.lucene.minMergeDocs
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</td>
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<td width="25%">
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10
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/index/IndexWriter.html#maxMergeDocs">maxMergeDocs</a>
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</td>
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<td width="25%">
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org.apache.lucene.maxMergeDocs
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</td>
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<td width="25%">
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Integer.MAX_VALUE
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/index/IndexWriter.html#maxFieldLength">maxFieldLength</a>
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</td>
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<td width="25%">
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org.apache.lucene.maxFieldLength
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</td>
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<td width="25%">
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10000
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/index/IndexWriter.html#COMMIT_LOCK_TIMEOUT">COMMIT_LOCK_TIMEOUT</a>
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</td>
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<td width="25%">
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org.apache.lucene.commitLockTimeout
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</td>
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<td width="25%">
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10000 ms
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/index/IndexWriter.html#WRITE_LOCK_TIMEOUT">WRITE_LOCK_TIMEOUT</a>
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</td>
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<td width="25%">
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org.apache.lucene.writeLockTimeout
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</td>
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<td width="25%">
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1000 ms
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/search/BooleanQuery.html#maxClauseCount">maxClauseCount</a>
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</td>
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<td width="25%">
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org.apache.lucene.maxClauseCount
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</td>
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<td width="25%">
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1024
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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2004-11-29 17:51:21 -05:00
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<a href="api/org/apache/lucene/store/FSDirectory.html#lockDir">lockDir</a>
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2004-03-18 14:58:26 -05:00
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</td>
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<td width="25%">
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2004-11-29 17:51:21 -05:00
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org.apache.lucene.lockDir
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2004-03-18 14:58:26 -05:00
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</td>
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<td width="25%">
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the value of <code>java.io.tmpdir</code> system property
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</td>
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</tr>
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2004-12-05 08:18:39 -05:00
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/store/FSDirectory.html#FSDirectory.class">FSDirectory.class</a>
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</td>
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<td width="25%">
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org.apache.lucene.FSDirectory.class
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</td>
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<td width="25%">
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org.apache.lucene.store.FSDirectory
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</td>
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</tr>
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<tr valign="TOP">
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<td width="25%">
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<a href="api/org/apache/lucene/index/SegmentReader.html#SegmentReader.class">SegmentReader.class</a>
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</td>
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<td width="25%">
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org.apache.lucene.index.SegmentReader.class
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</td>
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<td width="25%">
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org.apache.lucene.index.SegmentReader
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</td>
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</tr>
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2004-03-18 14:58:26 -05:00
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</table>
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</p>
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</section>
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</body>
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</document>
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