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From aravinth thangasami <aravinththangas...@gmail.com>
Subject Re: Adding Docvalues to a Field
Date Fri, 05 May 2017 20:12:13 GMT
Thanks Erick

On Fri, May 5, 2017 at 9:19 PM, Erick Erickson <erickerickson@gmail.com>
wrote:

> In a word, "no". You must re-index from scratch. Worse, now that you
> have some segments thinking the fields are docValues and some not and
> maybe some mixed, I know of no way to un-entangle them.
>
> I'd create a new collection and re-index it entirely, then use
> collection aliasing to point the applications at the new collection.
>
> Best,
> Erick
>
> On Fri, May 5, 2017 at 2:49 AM, aravinth thangasami
> <aravinththangasami@gmail.com> wrote:
> > Hi all,
> >
> > On process of moving to Lucene 5 from Lucene 4, we faced this following
> > issue
> > We have enabled doc values in Lucene 5.we previously don't used doc
> values
> > in Lucene 4
> >
> > Using UninvertingReader, sorting works fine until the first merge
> happens.
> > On merge documents in the older version without doc values affect the
> > sorting order.
> >
> > Is there any way to solve this issue without reindexing ???
> >
> > What is  your opinion on it ?
> >
> > I was thinking about these two ways.will these possible ?
> >
> > 1. Does Uninverting Reader can be made to store the formed doc values to
> > disk ?
> > 2. During merge, does IndexWriter can be made to write the doc values for
> > documents without doc value ?
> >
> >
> >
> > Thanks
> > Aravinth
>
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