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https://issues.apache.org/jira/browse/SOLR-10415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15974555#comment-15974555
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ASF subversion and git services commented on SOLR-10415:
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Commit 6eac7fa0211565606ac4acbdc848ad1ef57e6aa1 in lucene-solr's branch 
refs/heads/master from [~cpoerschke]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=6eac7fa ]

(part 1 of several) SOLR-10415: use parameterized debug logging in 
SearchHandler and RealTimeGetComponent (Michael Braun via Christine Poerschke)


> Within solr-core, debug/trace level logging should use parameterized log 
> messages
> ---------------------------------------------------------------------------------
>
>                 Key: SOLR-10415
>                 URL: https://issues.apache.org/jira/browse/SOLR-10415
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Michael Braun
>            Priority: Trivial
>
> Noticed in several samplings of an active Solr that several debug statements 
> were taking decently measurable time because of the time of the .toString 
> even when the log.debug() statement would not output because it was 
> effectively INFO or higher. Using parameterized logging statements, ie 
> 'log.debug("Blah {}", o)' will avoid incurring that cost.



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