[jira] [Commented] (SOLR-13492) Add ExplicitGCInvokesConcurrent by default during Solr startup

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-13492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17127574#comment-17127574 ] 

ASF subversion and git services commented on SOLR-13492:
--------------------------------------------------------

Commit aca95a1ec6a28b161e00c377e9929efbd3a9c277 in lucene-solr's branch refs/heads/master from Guna Sekhar Dora Kovvuru
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=aca95a1 ]

SOLR-13492: perform explicit GC concurrently (#1370)



> Add ExplicitGCInvokesConcurrent by default during Solr startup
> --------------------------------------------------------------
>
>                 Key: SOLR-13492
>                 URL: https://issues.apache.org/jira/browse/SOLR-13492
>             Project: Solr
>          Issue Type: Improvement
>          Components: scripts and tools
>            Reporter: Shawn Heisey
>            Assignee: Shawn Heisey
>            Priority: Major
>         Attachments: SOLR-13492.patch
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> 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.
> ----
> Update: Based on the discussion in the JIRA, adding {{ExplicitGCInvokesConcurrent}} option instead {{DisableExplicitGC}} so that jcmd, jvisualvm could be run



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