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https://issues.apache.org/jira/browse/SOLR-247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14058716#comment-14058716
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Jack Krupansky commented on SOLR-247:
-------------------------------------

The earlier commentary clearly lays out that the primary concern is that it 
would be a performance nightmare, but... that does depend on your particular 
use case.

Personally, I would say to go forward with adding this feature, but with a 
clear documentation caveat that this feature "should be use with great care 
since it is likely to be extremely memory and performance intensive and more of 
a development testing tool than a production feature, although it could have 
value when wildcard patterns are crafted with care for a very limited number of 
fields."


> Allow facet.field=* to facet on all fields (without knowing what they are)
> --------------------------------------------------------------------------
>
>                 Key: SOLR-247
>                 URL: https://issues.apache.org/jira/browse/SOLR-247
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Ryan McKinley
>            Priority: Minor
>              Labels: beginners, newdev
>         Attachments: SOLR-247-FacetAllFields.patch, SOLR-247.patch, 
> SOLR-247.patch, SOLR-247.patch
>
>
> I don't know if this is a good idea to include -- it is potentially a bad 
> idea to use it, but that can be ok.
> This came out of trying to use faceting for the LukeRequestHandler top term 
> collecting.
> http://www.nabble.com/Luke-request-handler-issue-tf3762155.html



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