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From "William Pierce" <>
Subject Advice on updating solr indexes
Date Sat, 15 Aug 2009 14:38:19 GMT

In our app we index approx 50 M documents every so often.  One of the fields 
in each document is called "CompScore" which is a score that our back-end 
computes for each document.  The computation of this score is heavy-weight 
and is done only approximately once every few days.    When documents are 
retrieved during a search we return results sorted by the Solr score first 
and then the CompScore.

The issue we have this:  Every week or so when the back-end routines run to 
compute "CompScore"  we need to delete and insert these 50 M documents into 
the index.   This happens even though the a majority of the documents have 
not changed.

I think there is no way in Solr to simply update a field in the index.

If others have encountered a similar issue,  I'd be interested in hearing 
about their solutions!


- Bill 

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