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https://issues.apache.org/jira/browse/SOLR-13165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16751364#comment-16751364
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Erick Erickson commented on SOLR-13165:
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Also, you _must_ reindex all documents from scratch when you make changes like
this to get valid results. If at all possible, try with a new _collection_.
docValues="true" indexed="false" is analogous to a "table scan" in database
terms. As Yonik says, docValues="true" indexed="true" should be fast.
> enabling docValues on a tdate field and searching on the field is very slow
> ---------------------------------------------------------------------------
>
> Key: SOLR-13165
> URL: https://issues.apache.org/jira/browse/SOLR-13165
> Project: Solr
> Issue Type: Task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Sheeba Dhanaraj
> Priority: Major
>
> when we enable docValues on a tdate field and search on the field response
> time is very slow. when we remove docValues from the field performance is
> significantly improved. Is this by design? should we not enable docValues for
> tdate fields
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