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From yahootintin.1247...@bloglines.com
Subject RE: When does IndexReader pick up changes?
Date Thu, 29 Jul 2004 17:48:57 GMT
Thanks for the info!

--- Lucene Users List" <lucene-user@jakarta.apache.org
wrote:
AFAIK you don't have to close the writer
> 
> -----Original Message-----

> From: yahootintin.1247688@bloglines.com
> [mailto:yahootintin.1247688@bloglines.com]

> Sent: Thursday, July 29, 2004 11:17 AM
> To: lucene-user@jakarta.apache.org

> Subject: RE: When does IndexReader pick up changes?
> 
> 
> Yes, I understand
that the IndexReader only picks up changes once it is
> opened.  I'm just
trying to determine whether the IndexWriter first needs to
> be closed or
if that is not necessary.
> 
> --- Lucene Users List" <lucene-user@jakarta.apache.org

> wrote:
> IndexReader will pick the changes as it is opened. 
> > If new
documents
> are added to the index you need to open a new IndexReader
>
> in order for
> it to pick up the changes
> > 
> > Aviran
> > 
> > -----Original
Message-----
> 
> > From: Stephane James Vaucher [mailto:vauchers@cirano.qc.ca]

> > Sent: Thursday,
> July 29, 2004 0:00 AM
> > To: Lucene Users List
> > Subject: Re: When does IndexReader
> pick up changes?
> > 
> > 
>
> IIRC, if you use a searcher, changes are picked
> up right away. With a

> > reader, I would expect it should react the same way.
> 
> > 
> > <disclaimer>I'm
not a lucene guru, I might be wrong</disclaimer> Where
> I'm
> > less sure
is with a FSDirectory, as it uses an internal RAMDirectory.
> If two
> >
separate processes (within the same classloader, FS with same paths
> are

> > reused) use different FSDirectories, you might notice a flushing 
>
> behaviour.
> 
> > 
> > sv
> > 
> > On 28 Jul 2004 yahootintin.1247688@bloglines.com
wrote:
> > 
> > > Hi,
> > >
> > > Does anyone know if the IndexWriter
has to be closed
> for an 
> > > IndexReader to pick up the changes?
>
> >
> > > Thanks.
> > >
> >
> > --- Lucene Users List" <lucene-user@jakarta.apache.org

> > > wrote:
> > >
> Hi,
> > > >
> > > > If I do this:
> > > >
> >
> >   - open index writer
> > > >
>   - add document
> > >
> > > >   -
open reader
> > > >   - search with reader
> 
> > > >   - close reader

> > > >   - close
> > > writer
> > > >
> > > > Will the
> reader pick
up the document that
> > > > was added to the
> > > index since
> it was
opened
> > > > after the document was added?  Or will it
> > > >
> > >

> only pick up changes that occur after
> > > > the index writer is closed?

> > > >
> > > > Thanks for the help!
> > >
> > >
> > > --------------------------------------------------------------------

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