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https://issues.apache.org/jira/browse/LUCENE-5799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-5799:
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    Attachment: LUCENE-5799.patch

Trivial patch.

> speed up DocValuesConsumer.mergeNumericField
> --------------------------------------------
>
>                 Key: LUCENE-5799
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5799
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Robert Muir
>         Attachments: LUCENE-5799.patch
>
>
> This method (used for both numeric docvalues and norms) is a little slow:
> * does some boxing for no good reason (can just use a boolean instead)
> * checks docsWithField always, instead of only when value == 0. This can 
> cause unnecessary i/o.



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