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https://issues.apache.org/jira/browse/SOLR-8740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15184957#comment-15184957
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Yonik Seeley commented on SOLR-8740:
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bq. And default to docValuesFormat="Memory" as well, or is that already the
default when docValues="true" is set?
The ability to keep everything off-heap and accessed via memory map seems to be
the default we want (i.e.the docValues default of "disk").
Sorting and faceting on docValues fields will most likely be a little slower
(ignoring NRT).... but the real benefit is having things "just work" and
avoiding the dreaded "I got an OOM exception when I tried to sort on this
field" issues. So we're going to want them by default on non-text fields that
people will use for sorting, faceting, stats, etc.
I'll try and make some time to tackle this issue soon (sometime after the
Lucene/Solr NYC meetup on Wednesday)
> 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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