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Posted to dev@lucene.apache.org by "Shawn Heisey (JIRA)" <ji...@apache.org> on 2019/05/26 18:28:00 UTC
[jira] [Commented] (SOLR-13492) Disallow explicit GC by default
during Solr startup
[ https://issues.apache.org/jira/browse/SOLR-13492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848491#comment-16848491 ]
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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