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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Is this a bug or a feature with addIndexes?
Date Tue, 07 Dec 2004 01:11:58 GMT
Hello,

Try changing IndexWriter's mergeFactor variable.  It's 10 by default. 
Change it to 1, for instance.

Otis

--- "amigo@max3d.com" <amigo@max3d.com> wrote:

> Greetings,
> 
> Ok, so maybe this is common knowledge to most of you but I'm a lamen 
> when it comes to Lucene and
> I couldnt find any details about this after some searching.
> 
> When you merge two indexes via addIndexes, does it only work in
> batches 
> (10 or more documents)?
> 
> Because I've been banging my head off the wall wondering why my code 
> does not want to index 1 (one) document and
> then I went to run Otis's MemoryVsDisk class from 
> http://www.onjava.com/pub/a/onjava/2003/03/05/lucene.html?page=last
> but I didnt use 10,000 documents as suggested, I used 5 and 15
> instead.
> And what do you know, less than 10 it doesnt merge at all while more 
> than 10 it will merge only first 10 documents and
> "gently" forget about the other 5.
> 
> My project requires me to index/update one single document as
> required 
> and make it immediately available for searching.
> 
> How do I accomplish this if index merging will not merge less than 10
> 
> and in increments of 10, and single indexing doesnt
> seem to do it at all (please see my other post 
> http://marc.theaimsgroup.com/?l=lucene-user&m=110237364203877&w=2)
> 
> thanks
> 
> -pedja
> 
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