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https://issues.apache.org/jira/browse/SOLR-3855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487732#comment-13487732
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Adrien Grand commented on SOLR-3855:
------------------------------------
bq. direct: maybe even by default?
What is your motivation to make direct the default? I understand that is
requires less memory but at the same time I'm worried that it would completely
depend on the I/O cache for performance although it could be used on
performance-critical paths (sorting, faceting, scoring factors...).
> DocValues support
> -----------------
>
> Key: SOLR-3855
> URL: https://issues.apache.org/jira/browse/SOLR-3855
> Project: Solr
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: 4.1, 5.0
>
> Attachments: SOLR-3855.patch
>
>
> It would be nice if Solr supported DocValues:
> - for ID fields (fewer disk seeks when running distributed search),
> - for sorting/faceting/function queries (faster warmup time than fieldcache),
> - better on-disk and in-memory efficiency (you can use packed impls).
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