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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject RE: Real time indexing with RAMDirectory
Date Thu, 12 May 2005 07:37:02 GMT
Yes, try minMergeDocs = 1.... but keep in mind that you'll have to be
re-opening a new IndexReader every time your index changes, and it
sounds like this will be very frequent/constant.  This may cost you...

Otis

--- Rifflard MickaŽl <Mickael.Rifflard@atosorigin.com> wrote:

> Hi Otis, 
> 
> If I swap these two lines, the result is the same.
> 
> I want to build an indexing process as fast as possible and I can't
> use 
> a greater minMergeDocs because my need is to know all documents of my
> 
> index in real time.
> 
> Do you think that a FSDirectory with minMergeDocs equals to 1 can
> be the solution ?
> 
> Thanks,
> 
> 	MickaŽl
> 
> -----Message d'origine-----
> De : Otis Gospodnetic [mailto:otis_gospodnetic@yahoo.com]
> Envoyť : mercredi 11 mai 2005 21:38
> ņ : java-user@lucene.apache.org
> Objet : RE: Real time indexing with RAMDirectory
> 
> 
> What happens if you swap these 2 lines?
> 
> 		System.out.println("Docs number : " + ir.numDocs());
> 		ir.close();
> 
> If I were you, I'd try using minMergeDocs instead of RAMDirectory. 
> It
> makes things much simpler.  You shouldn't need to optimize the index.
> 
> 
> Otis
> 
> --- Rifflard MickaŽl <Mickael.Rifflard@atosorigin.com> wrote:
> > Hi Otis,
> > 
> > My question was too much short cut. 
> > 
> > Here is a sample : 
> > 
> > import org.apache.lucene.index.IndexWriter;
> > import org.apache.lucene.index.IndexReader;
> > import org.apache.lucene.store.RAMDirectory;
> > import org.apache.lucene.analysis.standard.StandardAnalyzer;
> > import java.io.IOException;
> > 
> > public class MySample {
> > 	public static void main(String[] args) {
> > 		try {
> > 			RAMDirectory ramd = new RAMDirectory();
> > 			IndexWriter iw = new IndexWriter(ramd,new
> > StandardAnalyzer(),true);
> > 			iw.minMergeDocs = 1;
> > 			iw.addDocument(new org.apache.lucene.document.Document());
> >    
> > 			IndexReader ir = IndexReader.open(ramd);
> > 			System.out.println("Docs number : " + ir.numDocs());
> > 			ir.close();
> > 			iw.close();
> > 		}
> > 		catch (IOException ioe) { ioe.printStackTrace(); }
> > 	}
> > }
> > 
> > If I execute this sample, the result is : 
> > 
> > Docs number : 0
> > 
> > If a call close() method or optimize() method after added my
> > document, the result is :
> > 
> > Docs number : 1
> > 
> > So, my question is : How to get the second result without close()
> or
> > optimize() index 
> > (expensive methods I think) ?
> > 
> > Thanks,
> > 
> > 	MickaŽl
> > 
> > 
> > 
> > -----Message d'origine-----
> > De : Otis Gospodnetic [mailto:otis_gospodnetic@yahoo.com]
> > Envoyť : mardi 10 mai 2005 17:39
> > ņ : java-user@lucene.apache.org
> > Objet : Re: Real time indexing with RAMDirectory
> > 
> > 
> > Hi MickaŽl,
> > 
> > Have you tried using minMergeDocs=1 ?  Will that do what you want?
> > 
> > Otis
> > 
> > --- Rifflard MickaŽl <Mickael.Rifflard@atosorigin.com> wrote:
> > > Hi all,
> > > 
> > > Is it possible, with the RAMDirectory (or another Directory), to
> > > "flush" informations after each Document indexing ?
> > > I tried this but this "flush" appears to be able to be made after
> 2
> > > indexing at best.
> > > 
> > > What do you think about it ? I forgot a configuration ?
> > > 
> > > Thanks,
> > >  
> > > 	MickaŽl
> > > 
> > >
> >
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> > > 
> > > 
> > 
> >
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> > 
> > 
> >
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> > 
> > 
> 
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> 
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