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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 32847] - IndexWriter.addIndexes results in java.lang.OutOfMemoryError
Date Tue, 01 Feb 2005 17:59:14 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=32847





------- Additional Comments From ddreon1@yahoo.com  2005-02-01 18:59 -------
>>>>>>>>>>>> Code >>>>>>>>>>>>

import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.analysis.standard.StandardAnalyzer;

public class MergeTest
{
	public static void main(String[] paths)
		throws Exception
	{
		Directory[] sources = new Directory[paths.length];

		for (int i = 0; i < paths.length; i++)
			sources[i] = FSDirectory.getDirectory(paths[i], false);

		Directory dest = FSDirectory.getDirectory( "/home/dan/merged/", 
true);
		IndexWriter writer = new IndexWriter(dest, new StandardAnalyzer
(), true);

		writer.addIndexes(sources);
		writer.close();
	}
}

>>>>>>>>>>>> Inputs >>>>>>>>>>>>

7.2G    index0
7.0G    index1
5.8G    index3
5.8G    index4
4.2G    index5
5.3G    index6
5.8G    index7
6.0G    index8
4.8G    index9
52G     .

>>>>>>>>>>>> Test Results >>>>>>>>>>>>

#1 java -Xms700M -Xmx700M MergeTest index0 index1
	result -> 13G success

#2 java -Xms700M -Xmx700M MergeTest index0 index1 index3
	result -> 18G success

#3 java -Xms700M -Xmx700M MergeTest index0 index1 index3 index4
	result -> 24G success

#4 java -Xms700M -Xmx700M MergeTest index0 index1 index4 index5
	result -> 22G success

#5 java -Xms700M -Xmx700M MergeTest index0 index1 index3 index4 index5
	result -> 27G Exception in thread "main" java.lang.OutOfMemoryError (no 
stack trace printed)

#6 java -Xms700M -Xmx700M MergeTest index0 index1 index3 index4 index5
	result -> 27G Exception in thread "main" java.lang.OutOfMemoryError (no 
stack trace printed)




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