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https://issues.apache.org/jira/browse/SOLR-8344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158073#comment-16158073
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Cao Manh Dat commented on SOLR-8344:
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bq. Which scenario is this in your benchmark above? Or some other benchmark you 
allude to?
Yeah, it belongs to another simple benchmark.
bq. I understand that but don't see what that has to do with the number of 
documents.
Hmm, I re-run the benchmark and you're right. They are almost the same.
bq. In the event every field in "fl" has docValues, stored, single valued: will 
your patch use docValues data always
Yeah, It always use docValues.
bq.If in some request we realize we can avoid accessing the stored document and 
instead do only with docValues, we should avoid polluting the document cache as 
well
With this patch, if we notice that we do not need stored field, so we will skip 
reading the document as well as caching. 



> Decide default when requested fields are both column and row stored.
> --------------------------------------------------------------------
>
>                 Key: SOLR-8344
>                 URL: https://issues.apache.org/jira/browse/SOLR-8344
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Ishan Chattopadhyaya
>         Attachments: SOLR-8344.patch
>
>
> This issue was discussed in the comments at SOLR-8220. Splitting it out to a 
> separate issue so that we can have a focused discussion on whether/how to do 
> this.
> If a given set of requested fields are all stored and have docValues (column 
> stored), we can retrieve the values from either place.  What should the 
> default be?



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