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https://issues.apache.org/jira/browse/SOLR-12135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jan Høydahl updated SOLR-12135:
-------------------------------
    Fix Version/s:     (was: 9.0)
                       (was: 8.1)

> ZK perfomance problem when multiple updates thread of leader trying to update 
> term
> ----------------------------------------------------------------------------------
>
>                 Key: SOLR-12135
>                 URL: https://issues.apache.org/jira/browse/SOLR-12135
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 7.3
>            Reporter: Cao Manh Dat
>            Assignee: Cao Manh Dat
>            Priority: Major
>
> From SOLR-12087: When multiple updates thread failed to send updates to a 
> replica, all the threads will try to fetch latest shard term from ZK, lead to 
> high load between leader and ZK. We should introduce a locking mechanism so 
> only on fetch will be made in this case.



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