lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ramprakash Ramamoorthy <youngestachie...@gmail.com>
Subject Re: Using Lucene 2.3 indices with Lucene 4.0
Date Tue, 20 Nov 2012 13:33:33 GMT
On Tue, Nov 20, 2012 at 5:42 PM, Danil ŢORIN <torindan@gmail.com> wrote:

> Ironically most of the changes are in unicode handling and standard
> analyzer ;)
>

Ouch! It hurts then ;)

>
> On Tue, Nov 20, 2012 at 12:31 PM, Ramprakash Ramamoorthy <
> youngestachiever@gmail.com> wrote:
>
> > On Tue, Nov 20, 2012 at 3:54 PM, Danil ŢORIN <torindan@gmail.com> wrote:
> >
> > > However behavior of some analyzers changed.
> > >
> > > So even after upgrade the old index is readable with 4.0, it doesn't
> mean
> > > everything still works as before.
> > >
> >
> > Thank you Torin, I am using the standard analyzer only and both the
> systems
> > use Unicode 4.0 and I don't smell any problems here.
> >
> > >
> > > On Tue, Nov 20, 2012 at 12:20 PM, Ian Lea <ian.lea@gmail.com> wrote:
> > >
> > > > You can upgrade the indexes with
> org.apache.lucene.index.IndexUpgrader.
> > > >  You'll need to do it in steps, from 2.x to 3.x to 4.x, but should
> work
> > > > fine as far as I know.
> > > >
> > > >
> > > > --
> > > > Ian.
> > > >
> > >
> > Thank you Ian, this is giving me some head starts.
> >
> > > >
> > > >
> > > > On Tue, Nov 20, 2012 at 10:16 AM, Ramprakash Ramamoorthy <
> > > > youngestachiever@gmail.com> wrote:
> > > >
> > > > > I understand lucene 2.x indexes are not compatible with the latest
> > > > version
> > > > > of lucene 4.0. However we have all our indexes indexed with lucene
> > 2.3.
> > > > >
> > > > > Now that we are planning to migrate to Lucene 4.0, is there any
> work
> > > > > around/hack I can do, so that I can still read the 2.3 indices? Or
> is
> > > > > forgoing the older indices the only option?
> > > > >
> > > > > P.S : Am afraid, Re-indexing is not feasible.
> > > > >
> > > > > --
> > > > > With Thanks and Regards,
> > > > > Ramprakash Ramamoorthy,
> > > > > Chennai,
> > > > > India.
> > > > >
> > > >
> > >
> >
> >
> >
> > --
> > With Thanks and Regards,
> > Ramprakash Ramamoorthy,
> > Engineer Trainee,
> > Zoho Corporation.
> > +91 9626975420
> >
>



-- 
With Thanks and Regards,
Ramprakash Ramamoorthy,
Engineer Trainee,
Zoho Corporation.
+91 9626975420

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message