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From Erik Hatcher <>
Subject Re: Index File Size
Date Thu, 27 Oct 2005 18:17:53 GMT

On 27 Oct 2005, at 10:21, Chandramohan wrote:

> In general, will index size be equal to the size of
> the document?  Also, does Lucene employ any index
> compression schemes?  I am a relatively new user of
> Lucene and I just love it!

It depends on how you create Field's.  The general rule of thumb I've  
heard is that if you don't store fields, but just tokenize and index  
them, an index is about 35% the size of the original documents.   
Though most applications need some stored fields.


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