Date: 2004-03-26T16:53:43
Editor: StephaneVaucher <[EMAIL PROTECTED]>
Wiki: Jakarta Lucene Wiki
Page: ModifyingExecutionParameters
URL: http://wiki.apache.org/jakarta-lucene/ModifyingExecutionParameters
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= How to change execution parameters =
In lucene 1.4, you can now modify execution parameters using system properties:
Lucene has a number of properties that can be tuned. They can be adjusted either
programmatically, using the Lucene API, or their default values can be set via
system properties described.
System Properties
||Lucene Property||System Property||Default Value||
||mergeFactor||org.apache.lucene.mergeFactor||10||
||minMergeDocs||org.apache.lucene.minMergeDocs||10||
||maxMergeDocs||org.apache.lucene.maxMergeDocs||Integer.MAX_VALUE||
||maxFieldLength||org.apache.lucene.maxFieldLength||10000||
||COMMIT_LOCK_TIMEOUT||org.apache.lucene.commitLockTimeout||10000 ms||
||WRITE_LOCK_TIMEOUT||org.apache.lucene.writeLockTimeout||1000 ms||
||maxClauseCount||org.apache.lucene.maxClauseCount||1024||
||mergeFactor||org.apache.lucene.lockDir||the value of java.io.tmpdir system
property||
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