Is that really 1 byte for each document?  Not 1 byte for each field of each 
document?

Thanks,
Otis
--
Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch



----- Original Message ----
> From: Doron Cohen <[EMAIL PROTECTED]>
> To: java-user@lucene.apache.org
> Sent: Monday, August 18, 2008 12:11:28 AM
> Subject: Re: Index of Lucene
> 
> Norms information comes mainly from lengths of documents - allowing the
> search time scoring to take into account the effect of document lengths
> (actually
> field length within a document). In practice, norms stored within the index
> may include
> other information, such as index time boosts - for a document, for a field.
> A single
> byte is stored for each field, - so for this the actual value is compressed.
> At search
> time, norms are loaded into memory, and so consume 1 byte for each document.
> It is possible to disable norms for a field while indexing. This is
> explained
> better in the javadoc for Similarity, and here:
> http://lucene.apache.org/java/2_3_2/scoring.html
> 
> Doron
> 
> On Mon, Aug 18, 2008 at 5:59 AM, blazingwolf7 wrote:
> 
> >
> > Hi,
> >
> > I am currently using Lucene for indexing. After a index a file, I will use
> > LUKE to open it and check the index. And there is 1 part that I am curious
> > about. In Luke, under the Document tab, I randomly select a document and
> > display it. At the bottom will be 4 columns, Field, ITSVopLBC, Norm and
> > String Value.
> >
> > I am wondering, what is Norm for? And where is it created during indexing
> > time? Which method calculates it?
> >
> > Could anyone advise me on this? Thanks for the help
> > --
> > View this message in context:
> > http://www.nabble.com/Index-of-Lucene-tp19025490p19025490.html
> > Sent from the Lucene - Java Users mailing list archive at Nabble.com.
> >
> >
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