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https://issues.apache.org/jira/browse/SOLR-8740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15186232#comment-15186232
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Shawn Heisey commented on SOLR-8740:
------------------------------------

bq. At the moment, both indexed and stored flags are false if not set, I 
believe.

The default values for stored and indexed are *true* for all schema versions.  
See this method in FieldType.java, line 153 in particular:

https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;a=blob;f=solr/core/src/java/org/apache/solr/schema/FieldType.java;h=fbcebcda1b163dd1ba2d9980e1cfd540b2769f13;hb=12f7ad66963a5ae784f2bd0bf8b5dbc4b3c1630e#l150

I think setting the default for docValues to true in schema version 1.7 is 
probably a good idea, but I do predict a lot of "I upgraded and now my index is 
twice as big!" messages on the list. :)


> use docValues by default
> ------------------------
>
>                 Key: SOLR-8740
>                 URL: https://issues.apache.org/jira/browse/SOLR-8740
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: master
>            Reporter: Yonik Seeley
>             Fix For: master
>
>
> We should consider switching to docValues for most of our non-text fields.  
> This may be a better default since it is more NRT friendly and acts to avoid 
> OOM errors due to large field cache or UnInvertedField entries.



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