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https://issues.apache.org/jira/browse/SOLR-13289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17107615#comment-17107615
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Gregg Donovan commented on SOLR-13289:
--------------------------------------
We've been using
[ExternalFileField|https://lucene.apache.org/solr/guide/8_5/working-with-external-files-and-processes.html#the-externalfilefield-type]
for non-index ranking signals. Is it possible to use WAND with
ExternalFileField, as is? Or would ExternalFileField need to be changed to
provide max impacts per block? FeatureField could work, but ExternalFileField
is quite useful for changing ranking signals without requiring a reindex.
> Support for BlockMax WAND
> -------------------------
>
> Key: SOLR-13289
> URL: https://issues.apache.org/jira/browse/SOLR-13289
> Project: Solr
> Issue Type: New Feature
> Reporter: Ishan Chattopadhyaya
> Assignee: Tomas Eduardo Fernandez Lobbe
> Priority: Major
> Attachments: SOLR-13289.patch, SOLR-13289.patch
>
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> LUCENE-8135 introduced BlockMax WAND as a major speed improvement. Need to
> expose this via Solr. When enabled, the numFound returned will not be exact.
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