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https://issues.apache.org/jira/browse/SOLR-11880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17081121#comment-17081121
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ASF subversion and git services commented on SOLR-11880:
--------------------------------------------------------
Commit f68c498e4fb891efbd598ea2007985334c731baf in lucene-solr's branch
refs/heads/branch_8x from Shalin Shekhar Mangar
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=f68c498 ]
SOLR-14402: Avoid creating new exceptions for every request made to
MDCAwareThreadPoolExecutor by distributed search.
This is a fix for incomplete optimization made by SOLR-11880 in Solr 7.4 which
fixed distributed updates but not distributed search.
(cherry picked from commit d52c1021e543b8cc2dd7b8d1d181e3dba160a760)
> Avoid creating new exceptions for every request made to
> MDCAwareThreadPoolExecutor by distributed search and update operations
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-11880
> URL: https://issues.apache.org/jira/browse/SOLR-11880
> Project: Solr
> Issue Type: Bug
> Reporter: Varun Thacker
> Assignee: Shalin Shekhar Mangar
> Priority: Minor
> Fix For: 7.4, 8.0
>
> Attachments: SOLR-11880.patch
>
>
> MDCAwareThreadPoolExecutor has this line in it's{{{execute}} method
>
> {code:java}
> final Exception submitterStackTrace = new Exception("Submitter stack
> trace");{code}
> This means that every call via the a thread pool will create this exception,
> and only when it sees an error will it be used.
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