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https://issues.apache.org/jira/browse/LUCENE-10612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17553593#comment-17553593
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Elia Porciani edited comment on LUCENE-10612 at 6/14/22 12:32 PM:
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However, I understand the concern about backward compatibility. I don't think 
at this time is harmful to have custom HNSW parameters but things might be 
different in future releases.

Even if we decide not to move forward, I have created this PR for making the 
proposal clearer: 
[https://github.com/apache/lucene/pull/955|https://github.com/apache/lucene/pull/955]


was (Author: JIRAUSER280197):
However, I understand the concern about backward compatibility. I don't think 
at this time is harmful to have custom HNSW parameters but things might be 
different in future releases.

Even if we decide not to move forward, I have created this PR for making the 
proposal clearer: 
[https://github.com/apache/lucene/pull/955|https://github.com/apache/lucene/pull/955.]

> Add parameters for HNSW codec in Lucene93Codec
> ----------------------------------------------
>
>                 Key: LUCENE-10612
>                 URL: https://issues.apache.org/jira/browse/LUCENE-10612
>             Project: Lucene - Core
>          Issue Type: Task
>          Components: core/codecs
>            Reporter: Elia Porciani
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently, it is possible to specify only the compression mode for stored 
> fields in the LuceneXXCodec constructors.
> With the introduction of HNSW graph, and the LuceneXXHnswCodecFormat, 
> LuceneXXCodec should provide an easy way to specify custom parameters for 
> HNSW graph layout:
> * maxConn
> * beamWidth



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