I assume you're using Nutch 2.x? Nutch 1.x does not have such an option and i
find it strange to hear 2.x does. It really makes no sense to have a -reindex
option and it should be removed. I'd recommend to stick to plain indexing.
-----Original message-----
> From:Jack Krupansky <j...@basetechnology.com>
> Sent: Thu 04-Apr-2013 15:31
> To: solr-user@lucene.apache.org
> Subject: Re: Difference Between Indexing and Reindexing
>
> That's a question for the Nutch email list.
>
> In Solr, "reindexing" simply means that you manually delete your full Solr
> index (or at least delete all documents using a query) and fully ingest all
> documents, from scratch. There is no "option", it's just something that you,
> the user/developer, do manually.
>
> But, as I said... it sounds like your question is not for us here at the
> Solr list, but for the Nutch guys on their list.
>
> -- Jack Krupansky
>
> -----Original Message-----
> From: Furkan KAMACI
> Sent: Thursday, April 04, 2013 9:03 AM
> To: solr-user@lucene.apache.org
> Subject: Re: Difference Between Indexing and Reindexing
>
> I craw webages with Nutch and send them to Solr for indexing. There are two
> parameters to send data into Solr. One of them is -index and the other one
> is -reindex. I just want to learn what they do.
>
>
> 2013/4/4 Jack Krupansky <j...@basetechnology.com>
>
> > Technically, update and add are identical from a user perspective - you
> > don't need to worry about whether the document already exists.
> >
> > But, there is another, newer form of update, "selective" or "atomic" which
> > is updating a subset of the fields in an existing document without needing
> > to re-send all of the other fields of the existing document.
> > See:
> > http://wiki.apache.org/solr/**Atomic_Updates<http://wiki.apache.org/solr/Atomic_Updates>
> >
> > But... none of this has to do with "indexing" vs. "reindexing"... you need
> > to be clear what real question you are trying to ask, otherwise we can
> > keeping following your questions, answering each in detail, bouncing all
> > over the place without understanding what it is that you are really
> > looking
> > for.
> >
> > More specifically, what exactly is the problem you are trying to solve?
> >
> > -- Jack Krupansky
> >
> > -----Original Message----- From: Furkan KAMACI
> > Sent: Thursday, April 04, 2013 2:45 AM
> > To: solr-user@lucene.apache.org
> > Subject: Re: Difference Between Indexing and Reindexing
> >
> >
> > Hi Otis, then what is the difference between add and update? And how we
> > update or add documents into Solr (I see that there is just one update
> > handler)?
> >
> >
> > 2013/4/4 Otis Gospodnetic <otis.gospodne...@gmail.com>
> >
> > I don't recall what Nutch does, so it's hard to tell.
> >>
> >> In Solr (Lucene, really), you can:
> >> * add documents
> >> * update documents
> >> * delete documents
> >>
> >> Currently, update is really a delete + readd under the hood. It's
> >> been like that for 13+ years, but this may change:
> >> https://issues.apache.org/**jira/browse/LUCENE-4258<https://issues.apache.org/jira/browse/LUCENE-4258>
> >>
> >> Otis
> >> --
> >> Solr & ElasticSearch Support
> >> http://sematext.com/
> >>
> >>
> >>
> >>
> >>
> >> On Wed, Apr 3, 2013 at 9:15 PM, Furkan KAMACI <furkankam...@gmail.com>
> >> wrote:
> >> > OK, This could be a so easy question but I want to learn just a bit
> >> > more
> >> > technical detail of it.
> >> > When I use Nutch to send documents to Solr to be indexing there are two
> >> > parameters:
> >> >
> >> > -index and -reindex.
> >> >
> >> > What Solr does at each one different from the other one?
> >>
> >>
> >
>
>
