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From Alexander Klimetschek <aklim...@day.com>
Subject Re: Should Lucene index file size reduce when items are deleted?
Date Mon, 08 Jun 2009 12:12:09 GMT
On Mon, Jun 8, 2009 at 1:41 PM, Shaun Barriball<sbarriba@yahoo.co.uk> wrote:
> Thanks Marcel.
> From a performance and memory usage perspective, should we see the benefits
> of the deletion immediately or is the Lucene performance linked to the index
> file sizes (and therefore reliant on the merge happening)?

Indexing structures such as the Lucene fulltext index tend to use more
disk space to drastically enhance access (query) performance.

space performance != processing time performance


Alexander Klimetschek

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