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https://issues.apache.org/jira/browse/SOLR-10808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16046139#comment-16046139
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David Smiley commented on SOLR-10808:
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Hmm; I take back my concern about docValues on a boolean field being wasteful.
It was once so but since Lucene 5.4 (or possibly before?) there is some clever
encoding schemes for when the field is effectively a boolean. It will be more
wasteful when a field has true, false, and unspecified (3 states) but 2-state
situations are particularly efficient. Sorry for making a fuss.
> Enable DocValues by default for all string/numeric/date fields, unless
> explicitly disabled
> ------------------------------------------------------------------------------------------
>
> Key: SOLR-10808
> URL: https://issues.apache.org/jira/browse/SOLR-10808
> Project: Solr
> Issue Type: Task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Hoss Man
>
> Spinning this idea off of SOLR-10803 where Uwe suggested it...
> bq. I'd suggest to also enable DocValues by default for all
> string/numeric/date fields, unless explicitly disabled.
> This would be fairly easy to do -- we just bump up the "schema version" and
> change the default for docValues in the affected FieldTypes (or perhaps in
> PrimitiveFieldType? Just like OMIT_NORMS ? ... Need to think about that a bit
> more.)
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