Qais Qadri created SOLR-16952:
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Summary: 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: 9.2.1, 9.3, 9.1.1, 9.2, 9.1, 9.0
Environment: environment check on:
Ubuntu 20.04
java 11 and java 17
Reporter: Qais Qadri
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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