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From Gudrun Siedersleben <>
Subject best choice for ramBufferSizeMB
Date Wed, 14 May 2014 13:33:51 GMT
Hi all,

we want to speed up building our lucene index.  We set ramBufferSize to some values between
32 and 128 MB, but that does not make any difference concerning the time used for reindexing.
We did not set maxBufferedDocs, .. which could conflict.
We start the JVM with the following JAVA_OPTS:

-Xms128m -Xmx512m -XX:MaxPermSize=256m

What is the recommended value for ramBufferSizeMB depending on JAVA_OPTS and perhaps other
lucene parameters set? We use Lucene 3.6.0.

Best regards


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