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https://issues.apache.org/jira/browse/SOLR-16952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Qais Qadri updated SOLR-16952:
------------------------------
    Priority: Critical  (was: Major)

> solr.DenseVectorField does not work on a collection with more than 1 shards
> ---------------------------------------------------------------------------
>
>                 Key: SOLR-16952
>                 URL: https://issues.apache.org/jira/browse/SOLR-16952
>             Project: Solr
>          Issue Type: Bug
>          Components: multicore
>    Affects Versions: 9.0, 9.1, 9.2, 9.1.1, 9.3, 9.2.1
>         Environment: environment check on:
> Ubuntu 20.04
> java 11 and java 17
>            Reporter: Qais Qadri
>            Priority: Critical
>         Attachments: Screenshot from 2023-08-22 15-32-48.png
>
>
> the field type solr.DenseVectorField introduced in solr 9.0 works well with 
> single core user managed and single shard collection in solr cloud way, but 
> in any multi shard collection it stores data as list of strings instead of 
> list of floats and running query on top of it also fails to provide correct 
> results.
>  
> attaching screenshot, the field name is vector, which is defined as 
> <fieldType name="knn_vector" class="solr.DenseVectorField" 
> vectorDimension="512" similarityFunction="cosine"/>
> {color:#000080}
> {color}
> <field name="vector" type="knn_vector" indexed="true" stored="true"/>



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