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From "Michael D. Curtin" <>
Subject Re: delete and optimize
Date Thu, 08 Dec 2005 19:30:34 GMT
Mordo, Aviran (EXP N-NANNATEK) wrote:

> Optimization also purges the deleted documents, thus reduces the size
> (in bytes) of the index. Until you optimize documents stay in the index
> only marked as deleted. 

Deleted documents' space is reclaimed during optimization, 'tis true. 
But it can also be reclaimed as documents are added, if any automatic 
segment merging happens (due to IndexWriter's minMergeDocs and mergeFactor).


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