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https://issues.apache.org/jira/browse/SPARK-3093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron Davidson resolved SPARK-3093.
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Resolution: Fixed
Assignee: Chen Chao
Target Version/s: 1.2.0
> masterLock in Worker is no longer need
> --------------------------------------
>
> Key: SPARK-3093
> URL: https://issues.apache.org/jira/browse/SPARK-3093
> Project: Spark
> Issue Type: Improvement
> Reporter: Chen Chao
> Assignee: Chen Chao
>
> there's no need to use masterLock in Worker now since all communications are
> within Akka actor
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