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https://issues.apache.org/jira/browse/SOLR-9335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15393750#comment-15393750
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ASF subversion and git services commented on SOLR-9335:
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Commit 7b6a16c30b114eadb120c47e8ec1b7f513306054 in lucene-solr's branch
refs/heads/branch_6x from [~varunthacker]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=7b6a16c ]
SOLR-9335: Switch Solr cache/search/update stats counters to use LongAdder
> Move solr stats collections to use LongAdder
> --------------------------------------------
>
> Key: SOLR-9335
> URL: https://issues.apache.org/jira/browse/SOLR-9335
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Priority: Minor
> Fix For: 6.2, master (7.0)
>
> Attachments: SOLR-9335.patch, SOLR-9335.patch
>
>
> With Java 8 we can use LongAdder which has more throughput under high
> contention .
> These classes of Solr should benefit from LongAdder
> - Caches ( ConcurentLRUCache / LRUCache )
> - Searches ( RequestHandlerBase )
> - Updates ( DirectUpdateHandler2 )
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