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https://issues.apache.org/jira/browse/LUCENE-834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12489562
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Michael Busch commented on LUCENE-834:
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Yes, I was mainly thinking about large documents. I think in general memory 
consumption during search should depend on query complexity, not on the actual 
index.
Besides, I don't see much benefits in gathering all payloads up front and 
processing them thereafter (maybe I overlook some?). What about having a method 
in BoostingTermScorer like:

protected float calculateTermBoost(TermPostions tp);

which implements averaging per default but can be overwritten by subclasses? An 
optimized implementation might e. g. consider just to read the first x% 
position payloads for large docs and estimate the boost for performance reasons.

> Payload Queries
> ---------------
>
>                 Key: LUCENE-834
>                 URL: https://issues.apache.org/jira/browse/LUCENE-834
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Search
>            Reporter: Grant Ingersoll
>         Assigned To: Grant Ingersoll
>            Priority: Minor
>         Attachments: boosting.term.query.patch
>
>
> Now that payloads have been implemented, it will be good to make them 
> searchable via one or more Query mechanisms.  See 
> http://wiki.apache.org/lucene-java/Payload_Planning for some background 
> information and https://issues.apache.org/jira/browse/LUCENE-755 for the 
> issue that started it all.  

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