Or, go with a commercial product that has a single-click Solr re-index capability, such as:

1. DataStax Enterprise - data is stored in Cassandra and reindexed into Solr from there.

2. LucidWorks Search - data sources are declared so that the package can automatically re-crawl the data sources.

But, yeah, as Otis says, "re-index" is really just a euphemism for deleting your Solr data directory and indexing from scratch from the original data sources.

-- Jack Krupansky

-----Original Message----- From: Otis Gospodnetic
Sent: Monday, July 01, 2013 2:26 PM
To: solr-user@lucene.apache.org
Subject: Re: How to re-index Solr & get term frequency within documents

If all your fields are stored, you can do it with
http://search-lucene.com/?q=solrentityprocessor

Otherwise, just reindex the same way you indexed in the first place.
*Always* be ready to reindex from scratch.

Otis
--
Solr & ElasticSearch Support -- http://sematext.com/
Performance Monitoring -- http://sematext.com/spm



On Mon, Jul 1, 2013 at 1:29 PM, Tony Mullins <tonymullins...@gmail.com> wrote:
Thanks Jack , it worked.

Could you please provide some info on how to re-index existing data in
Solr, after changing the schema.xml ?

Thanks,
Tony


On Mon, Jul 1, 2013 at 8:21 PM, Jack Krupansky <j...@basetechnology.com>wrote:

You can write any function query in the field list of the "fl" parameter.
Sounds like you want "termfreq":

termfreq(field_arg,term)

fl=id,a,b,c,termfreq(a,xyz)


-- Jack Krupansky

-----Original Message----- From: Tony Mullins
Sent: Monday, July 01, 2013 10:47 AM
To: solr-user@lucene.apache.org
Subject: How to re-index Solr & get term frequency within documents


Hi,

I am using Solr 4.3.0.
If I change my solr's schema.xml then do I need to re-index my solr ? And
if yes , how to ?

My 2nd question is I need to find the frequency of term per document in all
documents of search result.

My field is

<field name="CommentX" type="text_general" stored="true" indexed="true"
multiValued="true" termVectors="true" termPositions="true"
termOffsets="true"/>

And I am trying this query

http://localhost:8080/solr/**select/?q=iphone&fl=AuthorX%**
2CTitleX%2CCommentX&df=**CommentX&wt=xml&indent=true&**
qt=tvrh&tv=true&tv.tf=true&tv.**df=true&tv.positions&tv.**offsets=true<http://localhost:8080/solr/select/?q=iphone&fl=AuthorX%2CTitleX%2CCommentX&df=CommentX&wt=xml&indent=true&qt=tvrh&tv=true&tv.tf=true&tv.df=true&tv.positions&tv.offsets=true>

Its just returning me the result set, no info on my searched term's
(iphone) frequency in each document.

How can I make Solr to return the frequency of searched term per document
in result set ?

Thanks,
Tony.


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