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https://issues.apache.org/jira/browse/SOLR-17747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajeswari Natarajan updated SOLR-17747:
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Priority: Major (was: Critical)
> Not able to optimize solr 9.8.1 HNSW index
> ------------------------------------------
>
> Key: SOLR-17747
> URL: https://issues.apache.org/jira/browse/SOLR-17747
> Project: Solr
> Issue Type: Bug
> Reporter: Rajeswari Natarajan
> Priority: Major
>
> After building the Solr HNSW index on 9.8.0, I tried to optimize it to a
> single segment. However the optimization doesn't happen and no errors
> found in solr log.
>
>
>
>
> Schema:
>
>
>
>
> <fieldType name="knn_vector_float_256" class="solr.DenseVectorField"
> vectorDimension="256" similarityFunction="dot_product" vectorEncoding=
> "FLOAT32" hnswMaxConnections="16" hnswBeamWidth="200"/> <fieldType name=
> "knn_vector_byte_256" class="solr.DenseVectorField" vectorDimension="256"
> similarityFunction="dot_product" vectorEncoding="BYTE" hnswMaxConnections=
> "16" hnswBeamWidth="200"/> <field name="item_vector_float" type=
> "knn_vector_float_256" indexed="true" stored="false"/>
> <field name="item_vector_byte" type="knn_vector_byte_256" indexed="true"
> stored="false"/>
>
>
>
>
> Solrconfig for merge:
> <mergePolicyFactory class=
> "${mergePolicyFactory:org.apache.solr.index.TieredMergePolicyFactory}">
> <int name="maxMergeAtOnce">25</int> <int name="segmentsPerTier">25</int> <
> int name="maxMergedSegmentMB">100000</int> </mergePolicyFactory>
>
> This is also tested in 9.8.1 , found the same issue . Please check mailing
> list also , this is raised there
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