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https://issues.apache.org/jira/browse/SOLR-13492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848491#comment-16848491
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Shawn Heisey commented on SOLR-13492:
-------------------------------------

This came about while thinking about LUCENE-8814.

> Disallow explicit GC by default during Solr startup
> ---------------------------------------------------
>
>                 Key: SOLR-13492
>                 URL: https://issues.apache.org/jira/browse/SOLR-13492
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: scripts and tools
>            Reporter: Shawn Heisey
>            Assignee: Shawn Heisey
>            Priority: Major
>
> Solr should use the -XX:+DisableExplicitGC option as part of its default GC 
> tuning.
> None of Solr's stock code uses explicit GCs, so that option will have no 
> effect on most installs.  The effective result of this is that if somebody 
> adds custom code to Solr and THAT code does an explicit GC, it won't be 
> allowed to function.



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