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https://issues.apache.org/jira/browse/LUCENE-9615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Sokolov resolved LUCENE-9615.
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Resolution: Fixed
> Expose HnswGraphBuilder index-time hyperparameters
> --------------------------------------------------
>
> Key: LUCENE-9615
> URL: https://issues.apache.org/jira/browse/LUCENE-9615
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Michael Sokolov
> Priority: Major
> Time Spent: 1h
> Remaining Estimate: 0h
>
> HnswGraphBuilder has a few tunables: maxConnections, beamWidth, and we may
> add a few more, such as whether to use a diversity heuristic when choosing
> neighbors to link in the graph. Currently these are locked to defaults set by
> global variables. Instead we should provide some interface for configuring
> them. The best candidate so far seems to be to add them either as attributes
> on a FieldType, or as Codec level configurations.
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