, June 09, 2009 6:25 PM
To: java-user@lucene.apache.org
Subject: RE: Reloading RAM Directory from updated FS Directory
Hi Greg & Kay,
> Lucene (IndexSearchers / IndexReaders) has the notion of cache as well
> so you need to check if you really want a 100% replication of
> RAMDirectory
essage-
> From: Uwe Schindler [mailto:u...@thetaphi.de]
> Sent: Wednesday, June 10, 2009 6:36 AM
> To: java-user@lucene.apache.org
> Subject: RE: Reloading RAM Directory from updated FS Directory
>
>
> There is currently a patch/idea from Earwin around that modifies
> MMapD
Thanks for the responses. I am testing it out using MMapDirectory.
Cheers!
-Original Message-
From: Uwe Schindler [mailto:u...@thetaphi.de]
Sent: Wednesday, June 10, 2009 6:36 AM
To: java-user@lucene.apache.org
Subject: RE: Reloading RAM Directory from updated FS Directory
There is
.
-
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: u...@thetaphi.de
> -Original Message-
> From: eks dev [mailto:eks...@yahoo.co.uk]
> Sent: Wednesday, June 10, 2009 12:30 PM
> To: java-user@lucene.apache.org
> Subject: Re: Reloading RAM Directory
he.org
> Sent: Wednesday, 10 June, 2009 0:24:35
> Subject: RE: Reloading RAM Directory from updated FS Directory
>
> Hi Greg & Kay,
>
> > Lucene (IndexSearchers / IndexReaders) has the notion of cache as well
> > so you need to check if you really want a 100% replicat
Hi Greg & Kay,
> Lucene (IndexSearchers / IndexReaders) has the notion of cache as well
> so you need to check if you really want a 100% replication of
> RAMDirectory / FSDirectory as well concurrently in memory. Have you
> tested with the FieldCache policies before moving onto the RAMDirectory
>
Have you checked out solr project that provides a service on top of
Lucene + caching / warming up facilities similar to what you need.
The IndexReaders are expensive ( and are the underlying data source for
a given IndexSearcher ) in terms of time and resources , when being
opened / created an
