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https://issues.apache.org/jira/browse/SOLR-9642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15580759#comment-15580759
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ASF GitHub Bot commented on SOLR-9642:
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Github user hgadre commented on the issue:

    https://github.com/apache/lucene-solr/pull/97
  
    @yonik Could you please take a look?


> Refactor the core level snapshot cleanup mechanism to rely on Lucene
> --------------------------------------------------------------------
>
>                 Key: SOLR-9642
>                 URL: https://issues.apache.org/jira/browse/SOLR-9642
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>    Affects Versions: 6.2
>            Reporter: Hrishikesh Gadre
>
> SOLR-9269 introduced a mechanism to create/delete snapshots for a Solr core 
> (using Lucene IndexDeletionPolicy). The current snapshot cleanup mechanism is 
> based on reference counting the index files shared between multiple segments. 
> Since this mechanism completely skips the Lucene APIs, it is not portable 
> (e.g. it doesn't work on 4.10.3 version).
> I propose an alternative implementation which relies exclusively on Lucene 
> IndexWriter (+ IndexDeletionPolicy) for cleanup.



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