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https://issues.apache.org/jira/browse/SOLR-10217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904049#comment-15904049
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Joel Bernstein edited comment on SOLR-10217 at 3/9/17 11:19 PM:
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Gethin and I had discussed using a stream for the background query. But it just
seemed like the right approach in this scenario was to make it a query. The
algorithm is written with an AnalyticsQuery and works directly with the index,
so collecting a bitset for the background query scales really well. Using a
stream we would have to feed docID's back into the AnalyticsQuery to get the
background set, just seemed a lot less scalable.
was (Author: joel.bernstein):
Gethin and I had discussed using stream for the background query. But it just
seemed like the right approach in this scenario to make it a query. The
algorithm is written with an AnalyticsQuery and works directly with the index,
so collecting a bitset for the background query scales really well. Using a
stream we would have to feed docID's back into the AnalyticsQuery to get the
background set, just seemed a lot less scalable.
> Add a query for the background set to the significantTerms streaming
> expression
> -------------------------------------------------------------------------------
>
> Key: SOLR-10217
> URL: https://issues.apache.org/jira/browse/SOLR-10217
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Gethin James
> Attachments: SOLR-20217.patch
>
>
> Following the work on SOLR-10156 we now have a significantTerms expression.
> Currently, the background set is always the full index. It would be great if
> we could use a query to define the background set.
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